diff options
Diffstat (limited to 'Build/source/texk/etc/autoconf/acspecific.m4')
-rw-r--r-- | Build/source/texk/etc/autoconf/acspecific.m4 | 2890 |
1 files changed, 0 insertions, 2890 deletions
diff --git a/Build/source/texk/etc/autoconf/acspecific.m4 b/Build/source/texk/etc/autoconf/acspecific.m4 deleted file mode 100644 index 0ab8a97bb4b..00000000000 --- a/Build/source/texk/etc/autoconf/acspecific.m4 +++ /dev/null @@ -1,2890 +0,0 @@ -dnl Macros that test for specific features. -dnl This file is part of Autoconf. -dnl Copyright (C) 1992, 93, 94, 95, 96, 1998 Free Software Foundation, Inc. -dnl -dnl This program is free software; you can redistribute it and/or modify -dnl it under the terms of the GNU General Public License as published by -dnl the Free Software Foundation; either version 2, or (at your option) -dnl any later version. -dnl -dnl This program is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY; without even the implied warranty of -dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -dnl GNU General Public License for more details. -dnl -dnl You should have received a copy of the GNU General Public License -dnl along with this program; if not, write to the Free Software -dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -dnl 02111-1307, USA. -dnl -dnl As a special exception, the Free Software Foundation gives unlimited -dnl permission to copy, distribute and modify the configure scripts that -dnl are the output of Autoconf. You need not follow the terms of the GNU -dnl General Public License when using or distributing such scripts, even -dnl though portions of the text of Autoconf appear in them. The GNU -dnl General Public License (GPL) does govern all other use of the material -dnl that constitutes the Autoconf program. -dnl -dnl Certain portions of the Autoconf source text are designed to be copied -dnl (in certain cases, depending on the input) into the output of -dnl Autoconf. We call these the "data" portions. The rest of the Autoconf -dnl source text consists of comments plus executable code that decides which -dnl of the data portions to output in any given case. We call these -dnl comments and executable code the "non-data" portions. Autoconf never -dnl copies any of the non-data portions into its output. -dnl -dnl This special exception to the GPL applies to versions of Autoconf -dnl released by the Free Software Foundation. When you make and -dnl distribute a modified version of Autoconf, you may extend this special -dnl exception to the GPL to apply to your modified version as well, *unless* -dnl your modified version has the potential to copy into its output some -dnl of the text that was the non-data portion of the version that you started -dnl with. (In other words, unless your change moves or copies text from -dnl the non-data portions to the data portions.) If your modification has -dnl such potential, you must delete any notice of this special exception -dnl to the GPL from your modified version. -dnl -dnl Written by David MacKenzie, with help from -dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor, -dnl Roland McGrath, Noah Friedman, david d zuhn, and many others. - - -dnl ### Checks for programs - - -dnl Check whether to use -n, \c, or newline-tab to separate -dnl checking messages from result messages. -dnl Idea borrowed from dist 3.0. -dnl Internal use only. -AC_DEFUN(AC_PROG_ECHO_N, -[if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then - # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. - if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then - ac_n= ac_c=' -' ac_t=' ' - else - ac_n=-n ac_c= ac_t= - fi -else - ac_n= ac_c='\c' ac_t= -fi -]) - -AC_DEFUN(AC_PROG_CC, -[AC_BEFORE([$0], [AC_PROG_CPP])dnl -AC_CHECK_PROG(CC, gcc, gcc) -if test -z "$CC"; then - AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) - if test -z "$CC"; then - case "`uname -s`" in - *win32* | *WIN32*) - AC_CHECK_PROG(CC, cl, cl) ;; - esac - fi - test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) -fi - -AC_PROG_CC_WORKS -AC_PROG_CC_GNU - -if test $ac_cv_prog_gcc = yes; then - GCC=yes -else - GCC= -fi - -dnl Check whether -g works, even if CFLAGS is set, in case the package -dnl plays around with CFLAGS (such as to build both debugging and -dnl normal versions of a library), tasteless as that idea is. -ac_test_CFLAGS="${CFLAGS+set}" -ac_save_CFLAGS="$CFLAGS" -CFLAGS= -AC_PROG_CC_G -if test "$ac_test_CFLAGS" = set; then - CFLAGS="$ac_save_CFLAGS" -elif test $ac_cv_prog_cc_g = yes; then - if test "$GCC" = yes; then - CFLAGS="-g -O2" - else - CFLAGS="-g" - fi -else - if test "$GCC" = yes; then - CFLAGS="-O2" - else - CFLAGS= - fi -fi -]) - -AC_DEFUN(AC_PROG_CXX, -[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl -AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, gcc) - -AC_PROG_CXX_WORKS -AC_PROG_CXX_GNU - -if test $ac_cv_prog_gxx = yes; then - GXX=yes -else - GXX= -fi - -dnl Check whether -g works, even if CXXFLAGS is set, in case the package -dnl plays around with CXXFLAGS (such as to build both debugging and -dnl normal versions of a library), tasteless as that idea is. -ac_test_CXXFLAGS="${CXXFLAGS+set}" -ac_save_CXXFLAGS="$CXXFLAGS" -CXXFLAGS= -AC_PROG_CXX_G -if test "$ac_test_CXXFLAGS" = set; then - CXXFLAGS="$ac_save_CXXFLAGS" -elif test $ac_cv_prog_cxx_g = yes; then - if test "$GXX" = yes; then - CXXFLAGS="-g -O2" - else - CXXFLAGS="-g" - fi -else - if test "$GXX" = yes; then - CXXFLAGS="-O2" - else - CXXFLAGS= - fi -fi -]) - -dnl Determine a Fortran 77 compiler to use. If `F77' is not already set -dnl in the environment, check for `g77', `f77' and `f2c', in that order. -dnl Set the output variable `F77' to the name of the compiler found. -dnl -dnl If using `g77' (the GNU Fortran 77 compiler), then `AC_PROG_F77' -dnl will set the shell variable `G77' to `yes', and empty otherwise. If -dnl the output variable `FFLAGS' was not already set in the environment, -dnl then set it to `-g -02' for `g77' (or `-O2' where `g77' does not -dnl accept `-g'). Otherwise, set `FFLAGS' to `-g' for all other Fortran -dnl 77 compilers. -dnl -dnl AC_PROG_F77() -AC_DEFUN(AC_PROG_F77, -[AC_BEFORE([$0], [AC_PROG_CPP])dnl -if test -z "$F77"; then - AC_CHECK_PROGS(F77, g77 f77 f2c) - test -z "$F77" && AC_MSG_ERROR([no acceptable Fortran 77 compiler found in \$PATH]) -fi - -AC_PROG_F77_WORKS -AC_PROG_F77_GNU - -if test $ac_cv_prog_g77 = yes; then - G77=yes -dnl Check whether -g works, even if FFLAGS is set, in case the package -dnl plays around with FFLAGS (such as to build both debugging and -dnl normal versions of a library), tasteless as that idea is. - ac_test_FFLAGS="${FFLAGS+set}" - ac_save_FFLAGS="$FFLAGS" - FFLAGS= - AC_PROG_F77_G - if test "$ac_test_FFLAGS" = set; then - FFLAGS="$ac_save_FFLAGS" - elif test $ac_cv_prog_f77_g = yes; then - FFLAGS="-g -O2" - else - FFLAGS="-O2" - fi -else - G77= - test "${FFLAGS+set}" = set || FFLAGS="-g" -fi -]) - -AC_DEFUN(AC_PROG_CC_WORKS, -[AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works]) -AC_LANG_SAVE -AC_LANG_C -AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross) -AC_LANG_RESTORE -AC_MSG_RESULT($ac_cv_prog_cc_works) -if test $ac_cv_prog_cc_works = no; then - AC_MSG_ERROR([installation or configuration problem: C compiler cannot create executables.]) -fi -AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler]) -AC_MSG_RESULT($ac_cv_prog_cc_cross) -cross_compiling=$ac_cv_prog_cc_cross -]) - -AC_DEFUN(AC_PROG_CXX_WORKS, -[AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works]) -AC_LANG_SAVE -AC_LANG_CPLUSPLUS -AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross) -AC_LANG_RESTORE -AC_MSG_RESULT($ac_cv_prog_cxx_works) -if test $ac_cv_prog_cxx_works = no; then - AC_MSG_ERROR([installation or configuration problem: C++ compiler cannot create executables.]) -fi -AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler]) -AC_MSG_RESULT($ac_cv_prog_cxx_cross) -cross_compiling=$ac_cv_prog_cxx_cross -]) - -dnl Test whether the Fortran 77 compiler can compile and link a trivial -dnl Fortran program. Also, test whether the Fortran 77 compiler is a -dnl cross-compiler (which may realistically be the case if the Fortran -dnl compiler is `g77'). -dnl -dnl AC_PROG_F77_WORKS() -AC_DEFUN(AC_PROG_F77_WORKS, -[AC_MSG_CHECKING([whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) works]) -AC_LANG_SAVE -AC_LANG_FORTRAN77 -AC_TRY_COMPILER(dnl -[ program conftest - end -], ac_cv_prog_f77_works, ac_cv_prog_f77_cross) -AC_LANG_RESTORE -AC_MSG_RESULT($ac_cv_prog_f77_works) -if test $ac_cv_prog_f77_works = no; then - AC_MSG_ERROR([installation or configuration problem: Fortran 77 compiler cannot create executables.]) -fi -AC_MSG_CHECKING([whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) is a cross-compiler]) -AC_MSG_RESULT($ac_cv_prog_f77_cross) -cross_compiling=$ac_cv_prog_f77_cross -]) - -AC_DEFUN(AC_PROG_CC_GNU, -[AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc, -[dnl The semicolon is to pacify NeXT's syntax-checking cpp. -cat > conftest.c <<EOF -#ifdef __GNUC__ - yes; -#endif -EOF -if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then - ac_cv_prog_gcc=yes -else - ac_cv_prog_gcc=no -fi])]) - -AC_DEFUN(AC_PROG_CXX_GNU, -[AC_CACHE_CHECK(whether we are using GNU C++, ac_cv_prog_gxx, -[dnl The semicolon is to pacify NeXT's syntax-checking cpp. -cat > conftest.C <<EOF -#ifdef __GNUC__ - yes; -#endif -EOF -if AC_TRY_COMMAND(${CXX-g++} -E conftest.C) | egrep yes >/dev/null 2>&1; then - ac_cv_prog_gxx=yes -else - ac_cv_prog_gxx=no -fi])]) - -dnl Test whether for Fortran 77 compiler is `g77' (the GNU Fortran 77 -dnl Compiler). This test depends on whether the Fortran 77 compiler can -dnl do CPP pre-processing. -dnl -dnl AC_PROG_F77_GNU() -AC_DEFUN(AC_PROG_F77_GNU, -[AC_CACHE_CHECK(whether we are using GNU Fortran 77, ac_cv_prog_g77, -[cat > conftest.fpp <<EOF -#ifdef __GNUC__ - yes -#endif -EOF -if AC_TRY_COMMAND($F77 -E conftest.fpp) | egrep yes >/dev/null 2>&1; then - ac_cv_prog_g77=yes -else - ac_cv_prog_g77=no -fi])]) - -AC_DEFUN(AC_PROG_CC_G, -[AC_CACHE_CHECK(whether ${CC-cc} accepts -g, ac_cv_prog_cc_g, -[echo 'void f(){}' > conftest.c -if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then - ac_cv_prog_cc_g=yes -else - ac_cv_prog_cc_g=no -fi -rm -f conftest* -])]) - -AC_DEFUN(AC_PROG_CXX_G, -[AC_CACHE_CHECK(whether ${CXX-g++} accepts -g, ac_cv_prog_cxx_g, -[echo 'void f(){}' > conftest.cc -if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then - ac_cv_prog_cxx_g=yes -else - ac_cv_prog_cxx_g=no -fi -rm -f conftest* -])]) - -dnl Test whether the Fortran 77 compiler can accept the `-g' option to -dnl enable debugging. -dnl -dnl AC_PROG_F77_G() -AC_DEFUN(AC_PROG_F77_G, -[AC_CACHE_CHECK(whether $F77 accepts -g, ac_cv_prog_f77_g, -[cat > conftest.f << EOF - program conftest - end -EOF -if test -z "`$F77 -g -c conftest.f 2>&1`"; then - ac_cv_prog_f77_g=yes -else - ac_cv_prog_f77_g=no -fi -rm -f conftest* -])]) - -AC_DEFUN(AC_PROG_GCC_TRADITIONAL, -[AC_REQUIRE([AC_PROG_CC])dnl -AC_REQUIRE([AC_PROG_CPP])dnl -if test $ac_cv_prog_gcc = yes; then - AC_CACHE_CHECK(whether ${CC-cc} needs -traditional, - ac_cv_prog_gcc_traditional, -[ ac_pattern="Autoconf.*'x'" - AC_EGREP_CPP($ac_pattern, [#include <sgtty.h> -Autoconf TIOCGETP], - ac_cv_prog_gcc_traditional=yes, ac_cv_prog_gcc_traditional=no) - - if test $ac_cv_prog_gcc_traditional = no; then - AC_EGREP_CPP($ac_pattern, [#include <termio.h> -Autoconf TCGETA], - ac_cv_prog_gcc_traditional=yes) - fi]) - if test $ac_cv_prog_gcc_traditional = yes; then - CC="$CC -traditional" - fi -fi -]) - -AC_DEFUN(AC_PROG_CC_C_O, -[if test "x$CC" != xcc; then - AC_MSG_CHECKING(whether $CC and cc understand -c and -o together) -else - AC_MSG_CHECKING(whether cc understands -c and -o together) -fi -set dummy $CC; ac_cc="`echo [$]2 | -changequote(, )dnl - sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`" -changequote([, ])dnl -AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o, -[echo 'foo(){}' > conftest.c -# Make sure it works both with $CC and with simple cc. -# We do the test twice because some compilers refuse to overwrite an -# existing .o file with -o, though they will create one. -ac_try='${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC' -if AC_TRY_EVAL(ac_try) && - test -f conftest.o && AC_TRY_EVAL(ac_try); -then - eval ac_cv_prog_cc_${ac_cc}_c_o=yes - if test "x$CC" != xcc; then - # Test first that cc exists at all. - if AC_TRY_COMMAND(cc -c conftest.c 1>&AC_FD_CC); then - ac_try='cc -c conftest.c -o conftest.o 1>&AC_FD_CC' - if AC_TRY_EVAL(ac_try) && - test -f conftest.o && AC_TRY_EVAL(ac_try); - then - # cc works too. - : - else - # cc exists but doesn't like -o. - eval ac_cv_prog_cc_${ac_cc}_c_o=no - fi - fi - fi -else - eval ac_cv_prog_cc_${ac_cc}_c_o=no -fi -rm -f conftest* -])dnl -if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = yes"; then - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT(no) - AC_DEFINE(NO_MINUS_C_MINUS_O) -fi -]) - -dnl Test if the Fortran 77 compiler accepts the options `-c' and `-o' -dnl simultaneously, and define `F77_NO_MINUS_C_MINUS_O' if it does not. -dnl -dnl The usefulness of this macro is questionable, as I can't really see -dnl why anyone would use it. The only reason I include it is for -dnl completeness, since a similar test exists for the C compiler. -dnl -dnl AC_PROG_F77_C_O -AC_DEFUN(AC_PROG_F77_C_O, -[AC_BEFORE([$0], [AC_PROG_F77])dnl -AC_MSG_CHECKING(whether $F77 understand -c and -o together) -set dummy $F77; ac_f77="`echo [$]2 | -changequote(, )dnl -sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`" -changequote([, ])dnl -AC_CACHE_VAL(ac_cv_prog_f77_${ac_f77}_c_o, -[cat > conftest.f << EOF - program conftest - end -EOF -# We do the `AC_TRY_EVAL' test twice because some compilers refuse to -# overwrite an existing `.o' file with `-o', although they will create -# one. -ac_try='$F77 $FFLAGS -c conftest.f -o conftest.o 1>&AC_FD_CC' -if AC_TRY_EVAL(ac_try) && test -f conftest.o && AC_TRY_EVAL(ac_try); then - eval ac_cv_prog_f77_${ac_f77}_c_o=yes -else - eval ac_cv_prog_f77_${ac_f77}_c_o=no -fi -rm -f conftest* -])dnl -if eval "test \"`echo '$ac_cv_prog_f77_'${ac_f77}_c_o`\" = yes"; then - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT(no) - AC_DEFINE(F77_NO_MINUS_C_MINUS_O) -fi -]) - -dnl Define SET_MAKE to set ${MAKE} if make doesn't. -AC_DEFUN(AC_PROG_MAKE_SET, -[AC_MSG_CHECKING(whether ${MAKE-make} sets \${MAKE}) -set dummy ${MAKE-make}; ac_make=`echo "[$]2" | sed 'y%./+-%__p_%'` -AC_CACHE_VAL(ac_cv_prog_make_${ac_make}_set, -[cat > conftestmake <<\EOF -all: - @echo 'ac_maketemp="${MAKE}"' -EOF -changequote(, )dnl -# GNU make sometimes prints "make[1]: Entering...", which would confuse us. -eval `${MAKE-make} -f conftestmake 2>/dev/null | grep temp=` -changequote([, ])dnl -if test -n "$ac_maketemp"; then - eval ac_cv_prog_make_${ac_make}_set=yes -else - eval ac_cv_prog_make_${ac_make}_set=no -fi -rm -f conftestmake])dnl -if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then - AC_MSG_RESULT(yes) - SET_MAKE= -else - AC_MSG_RESULT(no) - SET_MAKE="MAKE=${MAKE-make}" -fi -AC_SUBST([SET_MAKE])dnl -]) - -AC_DEFUN(AC_PROG_RANLIB, -[AC_CHECK_PROG(RANLIB, ranlib, ranlib, :)]) - -AC_DEFUN(AC_PROG_AR, -[AC_CHECK_PROG(AR, ar, ar, :)]) - -dnl Check for mawk first since it's generally faster. -AC_DEFUN(AC_PROG_AWK, -[AC_CHECK_PROGS(AWK, mawk gawk nawk awk, )]) - -AC_DEFUN(AC_PROG_YACC, -[AC_CHECK_PROGS(YACC, 'bison -y' byacc, yacc)]) - -AC_DEFUN(AC_PROG_CPP, -[AC_MSG_CHECKING(how to run the C preprocessor) -# On Suns, sometimes $CPP names a directory. -if test -n "$CPP" && test -d "$CPP"; then - CPP= -fi -if test -z "$CPP"; then -AC_CACHE_VAL(ac_cv_prog_CPP, -[ # This must be in double quotes, not single quotes, because CPP may get - # substituted into the Makefile and "${CC-cc}" will confuse make. - CPP="${CC-cc} -E" - # On the NeXT, cc -E runs the code through the compiler's parser, - # not just through cpp. -dnl Use a header file that comes with gcc, so configuring glibc -dnl with a fresh cross-compiler works. - AC_TRY_CPP([#include <assert.h> -Syntax Error], , - CPP="${CC-cc} -E -traditional-cpp" - AC_TRY_CPP([#include <assert.h> -Syntax Error], , - CPP="${CC-cc} -nologo -E" - AC_TRY_CPP([#include <assert.h> -Syntax Error], , CPP=/lib/cpp))) - ac_cv_prog_CPP="$CPP"])dnl - CPP="$ac_cv_prog_CPP" -else - ac_cv_prog_CPP="$CPP" -fi -AC_MSG_RESULT($CPP) -AC_SUBST(CPP)dnl -]) - -AC_DEFUN(AC_PROG_CXXCPP, -[AC_MSG_CHECKING(how to run the C++ preprocessor) -if test -z "$CXXCPP"; then -AC_CACHE_VAL(ac_cv_prog_CXXCPP, -[AC_LANG_SAVE[]dnl -AC_LANG_CPLUSPLUS[]dnl - CXXCPP="${CXX-g++} -E" - AC_TRY_CPP([#include <stdlib.h>], , CXXCPP=/lib/cpp) - ac_cv_prog_CXXCPP="$CXXCPP" -AC_LANG_RESTORE[]dnl -])dnl -CXXCPP="$ac_cv_prog_CXXCPP" -fi -AC_MSG_RESULT($CXXCPP) -AC_SUBST(CXXCPP)dnl -]) - -dnl Require finding the C or C++ preprocessor, whichever is the -dnl current language. -AC_DEFUN(AC_REQUIRE_CPP, -[ifelse(AC_LANG, C, [AC_REQUIRE([AC_PROG_CPP])], [AC_REQUIRE([AC_PROG_CXXCPP])])]) - -AC_DEFUN(AC_PROG_LEX, -[AC_CHECK_PROG(LEX, flex, flex, lex) -if test -z "$LEXLIB" -then - case "$LEX" in - flex*) ac_lib=fl ;; - *) ac_lib=l ;; - esac - AC_CHECK_LIB($ac_lib, yywrap, LEXLIB="-l$ac_lib") -fi -AC_SUBST(LEXLIB)]) - -dnl Check if lex declares yytext as a char * by default, not a char[]. -undefine([AC_DECL_YYTEXT]) -AC_DEFUN(AC_DECL_YYTEXT, -[AC_REQUIRE_CPP()dnl -AC_REQUIRE([AC_PROG_LEX])dnl -AC_CACHE_CHECK(lex output file root, ac_cv_prog_lex_root, -[# The minimal lex program is just a single line: %%. But some broken lexes -# (Solaris, I think it was) want two %% lines, so accommodate them. -echo '%% -%%' | $LEX -if test -f lex.yy.c; then - ac_cv_prog_lex_root=lex.yy -elif test -f lexyy.c; then - ac_cv_prog_lex_root=lexyy -else - AC_MSG_ERROR(cannot find output from $LEX; giving up) -fi]) -LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root -rm -f "${LEX_OUTPUT_ROOT}.c" -AC_SUBST(LEX_OUTPUT_ROOT)dnl - -AC_CACHE_CHECK(whether yytext is a pointer, ac_cv_prog_lex_yytext_pointer, -[# POSIX says lex can declare yytext either as a pointer or an array; the -# default is implementation-dependent. Figure out which it is, since -# not all implementations provide the %pointer and %array declarations. -ac_cv_prog_lex_yytext_pointer=no -# Avoid need for the lex library; very commonly, -lfl won't be found by -# default, and thus the link below would fail if we didn't supply yywrap, -# which would fool configure into thinking that yytext was not -# a char * when it really is. -echo '%% -%%' | $LEX -echo "extern char *yytext; -#ifndef yywrap -int yywrap () { return 1; } -#endif" >>$LEX_OUTPUT_ROOT.c -ac_save_LIBS="$LIBS" -LIBS="$LIBS $LEXLIB" -dnl Must use AC_TRY_LINK because yy.lex.c is not a function body. -AC_TRY_LINK(`cat $LEX_OUTPUT_ROOT.c`, , ac_cv_prog_lex_yytext_pointer=yes) -LIBS="$ac_save_LIBS" -rm -f "${LEX_OUTPUT_ROOT}.c" -]) -dnl -if test $ac_cv_prog_lex_yytext_pointer = yes; then - AC_DEFINE(YYTEXT_POINTER) -else -dnl -AC_CACHE_CHECK(whether yytext is an array of char, ac_cv_prog_lex_yytext_char, -[# POSIX says lex can declare yytext either as a pointer or an array; the -# default is implementation-dependent. Figure out which it is, since -# not all implementations provide the %pointer and %array declarations. -ac_cv_prog_lex_yytext_char=no -# Avoid need for the lex library; very commonly, -lfl won't be found by -# default, and thus the link below would fail if we didn't supply yywrap, -# which would fool configure into thinking that yytext was not -# a char array when it really is. -changequote(,) -echo '%% -%%' | $LEX -echo "extern char yytext[]; -#ifndef yywrap -int yywrap () { return 1; } -#endif" >>$LEX_OUTPUT_ROOT.c -changequote([,]) -ac_save_LIBS="$LIBS" -LIBS="$LIBS $LEXLIB" -dnl Must use AC_TRY_LINK because yy.lex.c is not a function body. -AC_TRY_LINK(`cat $LEX_OUTPUT_ROOT.c`, , ac_cv_prog_lex_yytext_char=yes) -LIBS="$ac_save_LIBS" -rm -f "${LEX_OUTPUT_ROOT}.c" -]) -dnl -if test $ac_cv_prog_lex_yytext_char = yes; then -AC_DEFINE(YYTEXT_CHAR) -else -dnl -AC_CACHE_CHECK(whether yytext is an array of unsigned char, ac_cv_prog_lex_yytext_uchar, -[# Some systems use an array of unsigned char for yytext. Figure out if that -# happens to be the case. -ac_cv_prog_lex_yytext_uchar=no -# Avoid need for the lex library; very commonly, -lfl won't be found by -# default, and thus the link below would fail if we didn't supply yywrap, -# which would fool configure into thinking that yytext was not -# a unsigned char array when it really is. -changequote(,) -echo '%% -%%' | $LEX -echo "extern unsigned char yytext[]; -#ifndef yywrap -int yywrap () { return 1; } -#endif" >>$LEX_OUTPUT_ROOT.c -changequote([,]) -ac_save_LIBS="$LIBS" -LIBS="$LIBS $LEXLIB" -dnl Must use AC_TRY_LINK because yy.lex.c is not a function body. -AC_TRY_LINK(`cat $LEX_OUTPUT_ROOT.c`, , ac_cv_prog_lex_yytext_uchar=yes) -LIBS="$ac_save_LIBS" -rm -f "${LEX_OUTPUT_ROOT}.c" -]) -dnl -if test $ac_cv_prog_lex_yytext_uchar = yes; then -AC_DEFINE(YYTEXT_UCHAR) -fi -fi -fi -]) - -AC_DEFUN(AC_PROG_INSTALL, -[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl -# Find a good install program. We prefer a C program (faster), -# so one script is as good as another. But avoid the broken or -# incompatible versions: -# SysV /etc/install, /usr/sbin/install -# SunOS /usr/etc/install -# IRIX /sbin/install -# AIX /bin/install -# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag -# AFS /usr/afsws/bin/install, which mishandles nonexistent args -# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" -# ./install, which can be erroneously created by make from ./install.sh. -AC_MSG_CHECKING(for a BSD compatible install) -if test -z "$INSTALL"; then -AC_CACHE_VAL(ac_cv_path_install, -[ IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS=":" - # Hack for MSDOS and descendants. - if test -z "$COMSPEC"; then ac_x=-f; else ac_x=-x; fi - for ac_dir in $PATH; do - # Account for people who put trailing slashes in PATH elements. - case "$ac_dir/" in - /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; - *) - # OSF1 and SCO ODT 3.0 have their own names for install. - # Don't use installbsd from OSF since it installs stuff as root - # by default. - for ac_prog in ginstall scoinst install; do - if test $ac_x $ac_dir/$ac_prog; then - if test $ac_prog = install && - grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then - # AIX install. It has an incompatible calling convention. - : - else - ac_cv_path_install="$ac_dir/$ac_prog -c" - break 2 - fi - fi - done - ;; - esac - done - IFS="$ac_save_IFS" -])dnl - if test "${ac_cv_path_install+set}" = set; then - INSTALL="$ac_cv_path_install" - else - # As a last resort, use the slow shell script. We don't cache a - # path for INSTALL within a source directory, because that will - # break other packages using the cache if that directory is - # removed, or if the path is relative. - INSTALL="$ac_install_sh" - fi -fi -dnl We do special magic for INSTALL instead of AC_SUBST, to get -dnl relative paths right. -AC_MSG_RESULT($INSTALL) - -# Use test -z because SunOS4 sh mishandles braces in ${var-val}. -# It thinks the first close brace ends the variable substitution. -test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' -AC_SUBST(INSTALL_PROGRAM)dnl - -test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' -AC_SUBST(INSTALL_SCRIPT)dnl - -test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' -AC_SUBST(INSTALL_DATA)dnl -]) - -AC_DEFUN(AC_PROG_LN_S, -[AC_MSG_CHECKING(whether ln -s works) -AC_CACHE_VAL(ac_cv_prog_LN_S, -[rm -f conftestdata -# MS-DOS is a special case, because it sort of pretends that ln -s -# works for executables. -if test -z "$COMSPEC" && ln -s X conftestdata 2>/dev/null -then - rm -f conftestdata - ac_cv_prog_LN_S="ln -s" -else - ac_cv_prog_LN_S=ln -fi])dnl -LN_S="$ac_cv_prog_LN_S" -if test "$ac_cv_prog_LN_S" = "ln -s"; then - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT(no) -fi -AC_SUBST(LN_S)dnl -]) - -define(AC_RSH, -[errprint(__file__:__line__: [$0] has been removed; replace it with equivalent code -)m4exit(4)]) - - -dnl ### Checks for header files - - -AC_DEFUN(AC_HEADER_STDC, -[AC_REQUIRE_CPP()dnl -AC_CACHE_CHECK(for ANSI C header files, ac_cv_header_stdc, -[AC_TRY_CPP([#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <float.h>], ac_cv_header_stdc=yes, ac_cv_header_stdc=no) - -if test $ac_cv_header_stdc = yes; then - # SunOS 4.x string.h does not declare mem*, contrary to ANSI. -AC_EGREP_HEADER(memchr, string.h, , ac_cv_header_stdc=no) -fi - -if test $ac_cv_header_stdc = yes; then - # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. -AC_EGREP_HEADER(free, stdlib.h, , ac_cv_header_stdc=no) -fi - -if test $ac_cv_header_stdc = yes; then - # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. -AC_TRY_RUN([#include <ctype.h> -#define ISLOWER(c) ('a' <= (c) && (c) <= 'z') -#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) -#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) -int main () { int i; for (i = 0; i < 256; i++) -if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); -exit (0); } -], , ac_cv_header_stdc=no, :) -fi]) -if test $ac_cv_header_stdc = yes; then - AC_DEFINE(STDC_HEADERS) -fi -]) - -AC_DEFUN(AC_UNISTD_H, -[AC_OBSOLETE([$0], [; instead use AC_CHECK_HEADERS(unistd.h)])dnl -AC_CHECK_HEADER(unistd.h, AC_DEFINE(HAVE_UNISTD_H))]) - -AC_DEFUN(AC_USG, -[AC_OBSOLETE([$0], - [; instead use AC_CHECK_HEADERS(string.h) and HAVE_STRING_H])dnl -AC_MSG_CHECKING([for BSD string and memory functions]) -AC_TRY_LINK([#include <strings.h>], [rindex(0, 0); bzero(0, 0);], - [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no); AC_DEFINE(USG)])]) - - -dnl If memchr and the like aren't declared in <string.h>, include <memory.h>. -dnl To avoid problems, don't check for gcc2 built-ins. -AC_DEFUN(AC_MEMORY_H, -[AC_OBSOLETE([$0], [; instead use AC_CHECK_HEADERS(memory.h) and HAVE_MEMORY_H])dnl -AC_MSG_CHECKING(whether string.h declares mem functions) -AC_EGREP_HEADER(memchr, string.h, ac_found=yes, ac_found=no) -AC_MSG_RESULT($ac_found) -if test $ac_found = no; then - AC_CHECK_HEADER(memory.h, [AC_DEFINE(NEED_MEMORY_H)]) -fi -]) - -AC_DEFUN(AC_HEADER_MAJOR, -[AC_CACHE_CHECK(whether sys/types.h defines makedev, - ac_cv_header_sys_types_h_makedev, -[AC_TRY_LINK([#include <sys/types.h>], [return makedev(0, 0);], - ac_cv_header_sys_types_h_makedev=yes, ac_cv_header_sys_types_h_makedev=no) -]) - -if test $ac_cv_header_sys_types_h_makedev = no; then -AC_CHECK_HEADER(sys/mkdev.h, [AC_DEFINE(MAJOR_IN_MKDEV)]) - - if test $ac_cv_header_sys_mkdev_h = no; then -AC_CHECK_HEADER(sys/sysmacros.h, [AC_DEFINE(MAJOR_IN_SYSMACROS)]) - fi -fi -]) - -AC_DEFUN(AC_HEADER_DIRENT, -[ac_header_dirent=no -AC_CHECK_HEADERS_DIRENT(dirent.h sys/ndir.h sys/dir.h ndir.h, - [ac_header_dirent=$ac_hdr; break]) -# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix. -if test $ac_header_dirent = dirent.h; then -AC_CHECK_LIB(dir, opendir, LIBS="$LIBS -ldir") -else -AC_CHECK_LIB(x, opendir, LIBS="$LIBS -lx") -fi -]) - -dnl Like AC_CHECK_HEADER, except also make sure that HEADER-FILE -dnl defines the type `DIR'. dirent.h on NextStep 3.2 doesn't. -dnl AC_CHECK_HEADER_DIRENT(HEADER-FILE, ACTION-IF-FOUND) -AC_DEFUN(AC_CHECK_HEADER_DIRENT, -[ac_safe=`echo "$1" | sed 'y%./+-%__p_%'` -AC_MSG_CHECKING([for $1 that defines DIR]) -AC_CACHE_VAL(ac_cv_header_dirent_$ac_safe, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <$1>], [DIR *dirp = 0;], - eval "ac_cv_header_dirent_$ac_safe=yes", - eval "ac_cv_header_dirent_$ac_safe=no")])dnl -if eval "test \"`echo '$ac_cv_header_dirent_'$ac_safe`\" = yes"; then - AC_MSG_RESULT(yes) - $2 -else - AC_MSG_RESULT(no) -fi -]) - -dnl Like AC_CHECK_HEADERS, except succeed only for a HEADER-FILE that -dnl defines `DIR'. -dnl AC_CHECK_HEADERS_DIRENT(HEADER-FILE... [, ACTION]) -define(AC_CHECK_HEADERS_DIRENT, -[for ac_hdr in $1 -do -AC_CHECK_HEADER_DIRENT($ac_hdr, -[changequote(, )dnl - ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'` -changequote([, ])dnl - AC_DEFINE_UNQUOTED($ac_tr_hdr) $2])dnl -done]) - -AC_DEFUN(AC_DIR_HEADER, -[AC_OBSOLETE([$0], [; instead use AC_HEADER_DIRENT])dnl -ac_header_dirent=no -for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do - AC_CHECK_HEADER_DIRENT($ac_hdr, [ac_header_dirent=$ac_hdr; break]) -done - -case "$ac_header_dirent" in -dirent.h) AC_DEFINE(DIRENT) ;; -sys/ndir.h) AC_DEFINE(SYSNDIR) ;; -sys/dir.h) AC_DEFINE(SYSDIR) ;; -ndir.h) AC_DEFINE(NDIR) ;; -esac - -AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void, -[AC_TRY_RUN([#include <sys/types.h> -#include <$ac_header_dirent> -int closedir(); main() { exit(closedir(opendir(".")) != 0); }], - ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)]) -if test $ac_cv_func_closedir_void = yes; then - AC_DEFINE(VOID_CLOSEDIR) -fi -]) - -AC_DEFUN(AC_HEADER_STAT, -[AC_CACHE_CHECK(whether stat file-mode macros are broken, - ac_cv_header_stat_broken, -[AC_EGREP_CPP([You lose], [#include <sys/types.h> -#include <sys/stat.h> - -#if defined(S_ISBLK) && defined(S_IFDIR) -# if S_ISBLK (S_IFDIR) -You lose. -# endif -#endif - -#if defined(S_ISBLK) && defined(S_IFCHR) -# if S_ISBLK (S_IFCHR) -You lose. -# endif -#endif - -#if defined(S_ISLNK) && defined(S_IFREG) -# if S_ISLNK (S_IFREG) -You lose. -# endif -#endif - -#if defined(S_ISSOCK) && defined(S_IFREG) -# if S_ISSOCK (S_IFREG) -You lose. -# endif -#endif -], ac_cv_header_stat_broken=yes, ac_cv_header_stat_broken=no)]) -if test $ac_cv_header_stat_broken = yes; then - AC_DEFINE(STAT_MACROS_BROKEN) -fi -]) - -AC_DEFUN(AC_DECL_SYS_SIGLIST, -[AC_CACHE_CHECK([for sys_siglist declaration in signal.h or unistd.h], - ac_cv_decl_sys_siglist, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <signal.h> -/* NetBSD declares sys_siglist in unistd.h. */ -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif], [char *msg = *(sys_siglist + 1);], - ac_cv_decl_sys_siglist=yes, ac_cv_decl_sys_siglist=no)]) -if test $ac_cv_decl_sys_siglist = yes; then - AC_DEFINE(SYS_SIGLIST_DECLARED) -fi -]) - -AC_DEFUN(AC_HEADER_SYS_WAIT, -[AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible], - ac_cv_header_sys_wait_h, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/wait.h> -#ifndef WEXITSTATUS -#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) -#endif -#ifndef WIFEXITED -#define WIFEXITED(stat_val) (((stat_val) & 255) == 0) -#endif], [int s; -wait (&s); -s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;], -ac_cv_header_sys_wait_h=yes, ac_cv_header_sys_wait_h=no)]) -if test $ac_cv_header_sys_wait_h = yes; then - AC_DEFINE(HAVE_SYS_WAIT_H) -fi -]) - - -dnl ### Checks for typedefs - - -AC_DEFUN(AC_TYPE_GETGROUPS, -[AC_REQUIRE([AC_TYPE_UID_T])dnl -AC_CACHE_CHECK(type of array argument to getgroups, ac_cv_type_getgroups, -[AC_TRY_RUN( -changequote(<<, >>)dnl -<< -/* Thanks to Mike Rendell for this test. */ -#include <sys/types.h> -#define NGID 256 -#undef MAX -#define MAX(x, y) ((x) > (y) ? (x) : (y)) -main() -{ - gid_t gidset[NGID]; - int i, n; - union { gid_t gval; long lval; } val; - - val.lval = -1; - for (i = 0; i < NGID; i++) - gidset[i] = val.gval; - n = getgroups (sizeof (gidset) / MAX (sizeof (int), sizeof (gid_t)) - 1, - gidset); - /* Exit non-zero if getgroups seems to require an array of ints. This - happens when gid_t is short but getgroups modifies an array of ints. */ - exit ((n > 0 && gidset[n] != val.gval) ? 1 : 0); -} ->>, -changequote([, ])dnl - ac_cv_type_getgroups=gid_t, ac_cv_type_getgroups=int, - ac_cv_type_getgroups=cross) -if test $ac_cv_type_getgroups = cross; then - dnl When we can't run the test program (we are cross compiling), presume - dnl that <unistd.h> has either an accurate prototype for getgroups or none. - dnl Old systems without prototypes probably use int. - AC_EGREP_HEADER([getgroups.*int.*gid_t], unistd.h, - ac_cv_type_getgroups=gid_t, ac_cv_type_getgroups=int) -fi]) -AC_DEFINE_UNQUOTED(GETGROUPS_T, $ac_cv_type_getgroups) -]) - -AC_DEFUN(AC_TYPE_UID_T, -[AC_CACHE_CHECK(for uid_t in sys/types.h, ac_cv_type_uid_t, -[AC_EGREP_HEADER(uid_t, sys/types.h, - ac_cv_type_uid_t=yes, ac_cv_type_uid_t=no)]) -if test $ac_cv_type_uid_t = no; then - AC_DEFINE(uid_t, int) - AC_DEFINE(gid_t, int) -fi -]) - -AC_DEFUN(AC_TYPE_SIZE_T, -[AC_CHECK_TYPE(size_t, unsigned)]) - -AC_DEFUN(AC_TYPE_PID_T, -[AC_CHECK_TYPE(pid_t, int)]) - -AC_DEFUN(AC_TYPE_OFF_T, -[AC_CHECK_TYPE(off_t, long)]) - -AC_DEFUN(AC_TYPE_MODE_T, -[AC_CHECK_TYPE(mode_t, int)]) - -dnl Note that identifiers starting with SIG are reserved by ANSI C. -AC_DEFUN(AC_TYPE_SIGNAL, -[AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <signal.h> -#ifdef signal -#undef signal -#endif -#ifdef __cplusplus -extern "C" void (*signal (int, void (*)(int)))(int); -#else -void (*signal ()) (); -#endif -], -[int i;], ac_cv_type_signal=void, ac_cv_type_signal=int)]) -AC_DEFINE_UNQUOTED(RETSIGTYPE, $ac_cv_type_signal) -]) - - -dnl ### Checks for functions - - -AC_DEFUN(AC_FUNC_CLOSEDIR_VOID, -[AC_REQUIRE([AC_HEADER_DIRENT])dnl -AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void, -[AC_TRY_RUN([#include <sys/types.h> -#include <$ac_header_dirent> -int closedir(); main() { exit(closedir(opendir(".")) != 0); }], - ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)]) -if test $ac_cv_func_closedir_void = yes; then - AC_DEFINE(CLOSEDIR_VOID) -fi -]) - -AC_DEFUN(AC_FUNC_FNMATCH, -[AC_CACHE_CHECK(for working fnmatch, ac_cv_func_fnmatch_works, -# Some versions of Solaris or SCO have a broken fnmatch function. -# So we run a test program. If we are cross-compiling, take no chance. -# Thanks to John Oleynick and Franc,ois Pinard for this test. -[AC_TRY_RUN([main() { exit (fnmatch ("a*", "abc", 0) != 0); }], -ac_cv_func_fnmatch_works=yes, ac_cv_func_fnmatch_works=no, -ac_cv_func_fnmatch_works=no)]) -if test $ac_cv_func_fnmatch_works = yes; then - AC_DEFINE(HAVE_FNMATCH) -fi -]) - -AC_DEFUN(AC_FUNC_MMAP, -[AC_CHECK_HEADERS(unistd.h) -AC_CHECK_FUNCS(getpagesize) -AC_CACHE_CHECK(for working mmap, ac_cv_func_mmap_fixed_mapped, -[AC_TRY_RUN([ -/* Thanks to Mike Haertel and Jim Avera for this test. - Here is a matrix of mmap possibilities: - mmap private not fixed - mmap private fixed at somewhere currently unmapped - mmap private fixed at somewhere already mapped - mmap shared not fixed - mmap shared fixed at somewhere currently unmapped - mmap shared fixed at somewhere already mapped - For private mappings, we should verify that changes cannot be read() - back from the file, nor mmap's back from the file at a different - address. (There have been systems where private was not correctly - implemented like the infamous i386 svr4.0, and systems where the - VM page cache was not coherent with the filesystem buffer cache - like early versions of FreeBSD and possibly contemporary NetBSD.) - For shared mappings, we should conversely verify that changes get - propogated back to all the places they're supposed to be. - - Grep wants private fixed already mapped. - The main things grep needs to know about mmap are: - * does it exist and is it safe to write into the mmap'd area - * how to use it (BSD variants) */ -#include <sys/types.h> -#include <fcntl.h> -#include <sys/mman.h> - -/* This mess was copied from the GNU getpagesize.h. */ -#ifndef HAVE_GETPAGESIZE -# ifdef HAVE_UNISTD_H -# include <unistd.h> -# endif - -/* Assume that all systems that can run configure have sys/param.h. */ -# ifndef HAVE_SYS_PARAM_H -# define HAVE_SYS_PARAM_H 1 -# endif - -# ifdef _SC_PAGESIZE -# define getpagesize() sysconf(_SC_PAGESIZE) -# else /* no _SC_PAGESIZE */ -# ifdef HAVE_SYS_PARAM_H -# include <sys/param.h> -# ifdef EXEC_PAGESIZE -# define getpagesize() EXEC_PAGESIZE -# else /* no EXEC_PAGESIZE */ -# ifdef NBPG -# define getpagesize() NBPG * CLSIZE -# ifndef CLSIZE -# define CLSIZE 1 -# endif /* no CLSIZE */ -# else /* no NBPG */ -# ifdef NBPC -# define getpagesize() NBPC -# else /* no NBPC */ -# ifdef PAGESIZE -# define getpagesize() PAGESIZE -# endif /* PAGESIZE */ -# endif /* no NBPC */ -# endif /* no NBPG */ -# endif /* no EXEC_PAGESIZE */ -# else /* no HAVE_SYS_PARAM_H */ -# define getpagesize() 8192 /* punt totally */ -# endif /* no HAVE_SYS_PARAM_H */ -# endif /* no _SC_PAGESIZE */ - -#endif /* no HAVE_GETPAGESIZE */ - -#ifdef __cplusplus -extern "C" { void *malloc(unsigned); } -#else -char *malloc(); -#endif - -int -main() -{ - char *data, *data2, *data3; - int i, pagesize; - int fd; - - pagesize = getpagesize(); - - /* - * First, make a file with some known garbage in it. - */ - data = malloc(pagesize); - if (!data) - exit(1); - for (i = 0; i < pagesize; ++i) - *(data + i) = rand(); - umask(0); - fd = creat("conftestmmap", 0600); - if (fd < 0) - exit(1); - if (write(fd, data, pagesize) != pagesize) - exit(1); - close(fd); - - /* - * Next, try to mmap the file at a fixed address which - * already has something else allocated at it. If we can, - * also make sure that we see the same garbage. - */ - fd = open("conftestmmap", O_RDWR); - if (fd < 0) - exit(1); - data2 = malloc(2 * pagesize); - if (!data2) - exit(1); - data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1); - if (data2 != mmap(data2, pagesize, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_FIXED, fd, 0L)) - exit(1); - for (i = 0; i < pagesize; ++i) - if (*(data + i) != *(data2 + i)) - exit(1); - - /* - * Finally, make sure that changes to the mapped area - * do not percolate back to the file as seen by read(). - * (This is a bug on some variants of i386 svr4.0.) - */ - for (i = 0; i < pagesize; ++i) - *(data2 + i) = *(data2 + i) + 1; - data3 = malloc(pagesize); - if (!data3) - exit(1); - if (read(fd, data3, pagesize) != pagesize) - exit(1); - for (i = 0; i < pagesize; ++i) - if (*(data + i) != *(data3 + i)) - exit(1); - close(fd); - unlink("conftestmmap"); - exit(0); -} -], ac_cv_func_mmap_fixed_mapped=yes, ac_cv_func_mmap_fixed_mapped=no, -ac_cv_func_mmap_fixed_mapped=no)]) -if test $ac_cv_func_mmap_fixed_mapped = yes; then - AC_DEFINE(HAVE_MMAP) -fi -]) - -AC_DEFUN(AC_FUNC_GETPGRP, -[AC_CACHE_CHECK(whether getpgrp takes no argument, ac_cv_func_getpgrp_void, -[AC_TRY_RUN([ -/* - * If this system has a BSD-style getpgrp(), - * which takes a pid argument, exit unsuccessfully. - * - * Snarfed from Chet Ramey's bash pgrp.c test program - */ -#include <stdio.h> -#include <sys/types.h> - -int pid; -int pg1, pg2, pg3, pg4; -int ng, np, s, child; - -main() -{ - pid = getpid(); - pg1 = getpgrp(0); - pg2 = getpgrp(); - pg3 = getpgrp(pid); - pg4 = getpgrp(1); - - /* - * If all of these values are the same, it's pretty sure that - * we're on a system that ignores getpgrp's first argument. - */ - if (pg2 == pg4 && pg1 == pg3 && pg2 == pg3) - exit(0); - - child = fork(); - if (child < 0) - exit(1); - else if (child == 0) { - np = getpid(); - /* - * If this is Sys V, this will not work; pgrp will be - * set to np because setpgrp just changes a pgrp to be - * the same as the pid. - */ - setpgrp(np, pg1); - ng = getpgrp(0); /* Same result for Sys V and BSD */ - if (ng == pg1) { - exit(1); - } else { - exit(0); - } - } else { - wait(&s); - exit(s>>8); - } -} -], ac_cv_func_getpgrp_void=yes, ac_cv_func_getpgrp_void=no, - AC_MSG_ERROR(cannot check getpgrp if cross compiling)) -]) -if test $ac_cv_func_getpgrp_void = yes; then - AC_DEFINE(GETPGRP_VOID) -fi -]) - -AC_DEFUN(AC_FUNC_SETPGRP, -[AC_CACHE_CHECK(whether setpgrp takes no argument, ac_cv_func_setpgrp_void, -AC_TRY_RUN([ -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -/* - * If this system has a BSD-style setpgrp, which takes arguments, exit - * successfully. - */ -main() -{ - if (setpgrp(1,1) == -1) - exit(0); - else - exit(1); -} -], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes, - AC_MSG_ERROR(cannot check setpgrp if cross compiling)) -) -if test $ac_cv_func_setpgrp_void = yes; then - AC_DEFINE(SETPGRP_VOID) -fi -]) - -AC_DEFUN(AC_FUNC_VPRINTF, -[AC_CHECK_FUNC(vprintf, AC_DEFINE(HAVE_VPRINTF)) -if test "$ac_cv_func_vprintf" != yes; then -AC_CHECK_FUNC(_doprnt, AC_DEFINE(HAVE_DOPRNT)) -fi -]) - -AC_DEFUN(AC_FUNC_VFORK, -[AC_REQUIRE([AC_TYPE_PID_T])dnl -AC_CHECK_HEADER(vfork.h, AC_DEFINE(HAVE_VFORK_H)) -AC_CACHE_CHECK(for working vfork, ac_cv_func_vfork_works, -[AC_TRY_RUN([/* Thanks to Paul Eggert for this test. */ -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifdef HAVE_VFORK_H -#include <vfork.h> -#endif -/* On some sparc systems, changes by the child to local and incoming - argument registers are propagated back to the parent. - The compiler is told about this with #include <vfork.h>, - but some compilers (e.g. gcc -O) don't grok <vfork.h>. - Test for this by using a static variable whose address - is put into a register that is clobbered by the vfork. */ -static -#ifdef __cplusplus -sparc_address_test (int arg) -#else -sparc_address_test (arg) int arg; -#endif -{ - static pid_t child; - if (!child) { - child = vfork (); - if (child < 0) { - perror ("vfork"); - _exit(2); - } - if (!child) { - arg = getpid(); - write(-1, "", 0); - _exit (arg); - } - } -} -main() { - pid_t parent = getpid (); - pid_t child; - - sparc_address_test (); - - child = vfork (); - - if (child == 0) { - /* Here is another test for sparc vfork register problems. - This test uses lots of local variables, at least - as many local variables as main has allocated so far - including compiler temporaries. 4 locals are enough for - gcc 1.40.3 on a Solaris 4.1.3 sparc, but we use 8 to be safe. - A buggy compiler should reuse the register of parent - for one of the local variables, since it will think that - parent can't possibly be used any more in this routine. - Assigning to the local variable will thus munge parent - in the parent process. */ - pid_t - p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), - p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); - /* Convince the compiler that p..p7 are live; otherwise, it might - use the same hardware register for all 8 local variables. */ - if (p != p1 || p != p2 || p != p3 || p != p4 - || p != p5 || p != p6 || p != p7) - _exit(1); - - /* On some systems (e.g. IRIX 3.3), - vfork doesn't separate parent from child file descriptors. - If the child closes a descriptor before it execs or exits, - this munges the parent's descriptor as well. - Test for this by closing stdout in the child. */ - _exit(close(fileno(stdout)) != 0); - } else { - int status; - struct stat st; - - while (wait(&status) != child) - ; - exit( - /* Was there some problem with vforking? */ - child < 0 - - /* Did the child fail? (This shouldn't happen.) */ - || status - - /* Did the vfork/compiler bug occur? */ - || parent != getpid() - - /* Did the file descriptor bug occur? */ - || fstat(fileno(stdout), &st) != 0 - ); - } -}], -ac_cv_func_vfork_works=yes, ac_cv_func_vfork_works=no, AC_CHECK_FUNC(vfork) -ac_cv_func_vfork_works=$ac_cv_func_vfork)]) -if test $ac_cv_func_vfork_works = no; then - AC_DEFINE(vfork, fork) -fi -]) - -AC_DEFUN(AC_FUNC_WAIT3, -[AC_CACHE_CHECK(for wait3 that fills in rusage, ac_cv_func_wait3_rusage, -[AC_TRY_RUN([#include <sys/types.h> -#include <sys/time.h> -#include <sys/resource.h> -#include <stdio.h> -/* HP-UX has wait3 but does not fill in rusage at all. */ -main() { - struct rusage r; - int i; - /* Use a field that we can force nonzero -- - voluntary context switches. - For systems like NeXT and OSF/1 that don't set it, - also use the system CPU time. And page faults (I/O) for Linux. */ - r.ru_nvcsw = 0; - r.ru_stime.tv_sec = 0; - r.ru_stime.tv_usec = 0; - r.ru_majflt = r.ru_minflt = 0; - switch (fork()) { - case 0: /* Child. */ - sleep(1); /* Give up the CPU. */ - _exit(0); - case -1: _exit(0); /* What can we do? */ - default: /* Parent. */ - wait3(&i, 0, &r); - sleep(2); /* Avoid "text file busy" from rm on fast HP-UX machines. */ - exit(r.ru_nvcsw == 0 && r.ru_majflt == 0 && r.ru_minflt == 0 - && r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0); - } -}], ac_cv_func_wait3_rusage=yes, ac_cv_func_wait3_rusage=no, -ac_cv_func_wait3_rusage=no)]) -if test $ac_cv_func_wait3_rusage = yes; then - AC_DEFINE(HAVE_WAIT3) -fi -]) - -AC_DEFUN(AC_FUNC_ALLOCA, -[AC_REQUIRE_CPP()dnl Set CPP; we run AC_EGREP_CPP conditionally. -# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works -# for constant arguments. Useless! -AC_CACHE_CHECK([for working alloca.h], ac_cv_header_alloca_h, -[AC_TRY_LINK([#include <alloca.h>], [char *p = alloca(2 * sizeof(int));], - ac_cv_header_alloca_h=yes, ac_cv_header_alloca_h=no)]) -if test $ac_cv_header_alloca_h = yes; then - AC_DEFINE(HAVE_ALLOCA_H) -fi - -AC_CACHE_CHECK([for alloca], ac_cv_func_alloca_works, -[AC_TRY_LINK([ -#ifdef __GNUC__ -# define alloca __builtin_alloca -#else -# ifdef _MSC_VER -# include <malloc.h> -# define alloca _alloca -# else -# if HAVE_ALLOCA_H -# include <alloca.h> -# else -# ifdef _AIX - #pragma alloca -# else -# ifndef alloca /* predefined by HP cc +Olibcalls */ -char *alloca (); -# endif -# endif -# endif -# endif -#endif -], [char *p = (char *) alloca(1);], - ac_cv_func_alloca_works=yes, ac_cv_func_alloca_works=no)]) -if test $ac_cv_func_alloca_works = yes; then - AC_DEFINE(HAVE_ALLOCA) -fi - -if test $ac_cv_func_alloca_works = no; then - # The SVR3 libPW and SVR4 libucb both contain incompatible functions - # that cause trouble. Some versions do not even contain alloca or - # contain a buggy version. If you still want to use their alloca, - # use ar to extract alloca.o from them instead of compiling alloca.c. - ALLOCA=alloca.${ac_objext} - AC_DEFINE(C_ALLOCA) - -AC_CACHE_CHECK(whether alloca needs Cray hooks, ac_cv_os_cray, -[AC_EGREP_CPP(webecray, -[#if defined(CRAY) && ! defined(CRAY2) -webecray -#else -wenotbecray -#endif -], ac_cv_os_cray=yes, ac_cv_os_cray=no)]) -if test $ac_cv_os_cray = yes; then -for ac_func in _getb67 GETB67 getb67; do - AC_CHECK_FUNC($ac_func, [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func) - break]) -done -fi - -AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction, -[AC_TRY_RUN([find_stack_direction () -{ - static char *addr = 0; - auto char dummy; - if (addr == 0) - { - addr = &dummy; - return find_stack_direction (); - } - else - return (&dummy > addr) ? 1 : -1; -} -main () -{ - exit (find_stack_direction() < 0); -}], ac_cv_c_stack_direction=1, ac_cv_c_stack_direction=-1, - ac_cv_c_stack_direction=0)]) -AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction) -fi -AC_SUBST(ALLOCA)dnl -]) - -AC_DEFUN(AC_FUNC_GETLOADAVG, -[ac_have_func=no # yes means we've found a way to get the load average. - -# Some systems with -lutil have (and need) -lkvm as well, some do not. -# On Solaris, -lkvm requires nlist from -lelf, so check that first -# to get the right answer into the cache. -AC_CHECK_LIB(elf, elf_begin, LIBS="-lelf $LIBS") -AC_CHECK_LIB(kvm, kvm_open, LIBS="-lkvm $LIBS") -# Check for the 4.4BSD definition of getloadavg. -AC_CHECK_LIB(util, getloadavg, - [LIBS="-lutil $LIBS" ac_have_func=yes ac_cv_func_getloadavg_setgid=yes]) - -if test $ac_have_func = no; then - # There is a commonly available library for RS/6000 AIX. - # Since it is not a standard part of AIX, it might be installed locally. - ac_getloadavg_LIBS="$LIBS"; LIBS="-L/usr/local/lib $LIBS" - AC_CHECK_LIB(getloadavg, getloadavg, - LIBS="-lgetloadavg $LIBS", LIBS="$ac_getloadavg_LIBS") -fi - -# Make sure it is really in the library, if we think we found it. -AC_REPLACE_FUNCS(getloadavg) - -if test $ac_cv_func_getloadavg = yes; then - AC_DEFINE(HAVE_GETLOADAVG) - ac_have_func=yes -else - # Figure out what our getloadavg.c needs. - ac_have_func=no - AC_CHECK_HEADER(sys/dg_sys_info.h, - [ac_have_func=yes; AC_DEFINE(DGUX) - AC_CHECK_LIB(dgc, dg_sys_info)]) - - # We cannot check for <dwarf.h>, because Solaris 2 does not use dwarf (it - # uses stabs), but it is still SVR4. We cannot check for <elf.h> because - # Irix 4.0.5F has the header but not the library. - if test $ac_have_func = no && test $ac_cv_lib_elf_elf_begin = yes; then - ac_have_func=yes; AC_DEFINE(SVR4) - fi - - if test $ac_have_func = no; then - AC_CHECK_HEADER(inq_stats/cpustats.h, - [ac_have_func=yes; AC_DEFINE(UMAX) - AC_DEFINE(UMAX4_3)]) - fi - - if test $ac_have_func = no; then - AC_CHECK_HEADER(sys/cpustats.h, - [ac_have_func=yes; AC_DEFINE(UMAX)]) - fi - - if test $ac_have_func = no; then - AC_CHECK_HEADERS(mach/mach.h) - fi - - AC_CHECK_HEADER(nlist.h, - [AC_DEFINE(NLIST_STRUCT) - AC_CACHE_CHECK([for n_un in struct nlist], ac_cv_struct_nlist_n_un, - [AC_TRY_COMPILE([#include <nlist.h>], - [struct nlist n; n.n_un.n_name = 0;], - ac_cv_struct_nlist_n_un=yes, ac_cv_struct_nlist_n_un=no)]) - if test $ac_cv_struct_nlist_n_un = yes; then - AC_DEFINE(NLIST_NAME_UNION) - fi - ])dnl -fi # Do not have getloadavg in system libraries. - -# Some definitions of getloadavg require that the program be installed setgid. -dnl FIXME Don't hardwire the path of getloadavg.c in the top-level directory. -AC_CACHE_CHECK(whether getloadavg requires setgid, - ac_cv_func_getloadavg_setgid, -[AC_EGREP_CPP([Yowza Am I SETGID yet], -[#include "$srcdir/getloadavg.c" -#ifdef LDAV_PRIVILEGED -Yowza Am I SETGID yet -#endif], - ac_cv_func_getloadavg_setgid=yes, ac_cv_func_getloadavg_setgid=no)]) -if test $ac_cv_func_getloadavg_setgid = yes; then - NEED_SETGID=true; AC_DEFINE(GETLOADAVG_PRIVILEGED) -else - NEED_SETGID=false -fi -AC_SUBST(NEED_SETGID)dnl - -if test $ac_cv_func_getloadavg_setgid = yes; then - AC_CACHE_CHECK(group of /dev/kmem, ac_cv_group_kmem, -[changequote(, )dnl - # On Solaris, /dev/kmem is a symlink. Get info on the real file. - ac_ls_output=`ls -lgL /dev/kmem 2>/dev/null` - # If we got an error (system does not support symlinks), try without -L. - test -z "$ac_ls_output" && ac_ls_output=`ls -lg /dev/kmem` - ac_cv_group_kmem=`echo $ac_ls_output \ - | sed -ne 's/[ ][ ]*/ /g; - s/^.[sSrwx-]* *[0-9]* *\([^0-9]*\) *.*/\1/; - / /s/.* //;p;'` -changequote([, ])dnl -]) - KMEM_GROUP=$ac_cv_group_kmem -fi -AC_SUBST(KMEM_GROUP)dnl -]) - -AC_DEFUN(AC_FUNC_UTIME_NULL, -[AC_CACHE_CHECK(whether utime accepts a null argument, ac_cv_func_utime_null, -[rm -f conftestdata; > conftestdata -# Sequent interprets utime(file, 0) to mean use start of epoch. Wrong. -AC_TRY_RUN([#include <sys/types.h> -#include <sys/stat.h> -main() { -struct stat s, t; -exit(!(stat ("conftestdata", &s) == 0 && utime("conftestdata", (long *)0) == 0 -&& stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime -&& t.st_mtime - s.st_mtime < 120)); -}], ac_cv_func_utime_null=yes, ac_cv_func_utime_null=no, - ac_cv_func_utime_null=no) -rm -f core core.* *.core]) -if test $ac_cv_func_utime_null = yes; then - AC_DEFINE(HAVE_UTIME_NULL) -fi -]) - -AC_DEFUN(AC_FUNC_STRCOLL, -[AC_CACHE_CHECK(for working strcoll, ac_cv_func_strcoll_works, -[AC_TRY_RUN([#include <string.h> -main () -{ - exit (strcoll ("abc", "def") >= 0 || - strcoll ("ABC", "DEF") >= 0 || - strcoll ("123", "456") >= 0); -}], ac_cv_func_strcoll_works=yes, ac_cv_func_strcoll_works=no, -ac_cv_func_strcoll_works=no)]) -if test $ac_cv_func_strcoll_works = yes; then - AC_DEFINE(HAVE_STRCOLL) -fi -]) - -AC_DEFUN(AC_FUNC_SETVBUF_REVERSED, -[AC_CACHE_CHECK(whether setvbuf arguments are reversed, - ac_cv_func_setvbuf_reversed, -[AC_TRY_RUN([#include <stdio.h> -/* If setvbuf has the reversed format, exit 0. */ -main () { - /* This call has the arguments reversed. - A reversed system may check and see that the address of main - is not _IOLBF, _IONBF, or _IOFBF, and return nonzero. */ - if (setvbuf(stdout, _IOLBF, (char *) main, BUFSIZ) != 0) - exit(1); - putc('\r', stdout); - exit(0); /* Non-reversed systems segv here. */ -}], ac_cv_func_setvbuf_reversed=yes, ac_cv_func_setvbuf_reversed=no) -rm -f core core.* *.core]) -if test $ac_cv_func_setvbuf_reversed = yes; then - AC_DEFINE(SETVBUF_REVERSED) -fi -]) - -AC_DEFUN(AC_FUNC_GETMNTENT, -[# getmntent is in -lsun on Irix 4, -lseq on Dynix/PTX, -lgen on Unixware. -AC_CHECK_LIB(sun, getmntent, LIBS="-lsun $LIBS", - [AC_CHECK_LIB(seq, getmntent, LIBS="-lseq $LIBS", - [AC_CHECK_LIB(gen, getmntent, LIBS="-lgen $LIBS")])]) -AC_CHECK_FUNC(getmntent, [AC_DEFINE(HAVE_GETMNTENT)])]) - -AC_DEFUN(AC_FUNC_STRFTIME, -[AC_CHECK_FUNC(strftime, [AC_DEFINE(HAVE_STRFTIME)], -[# strftime is in -lintl on SCO UNIX. -AC_CHECK_LIB(intl, strftime, -[AC_DEFINE(HAVE_STRFTIME) -LIBS="-lintl $LIBS"])])]) - -AC_DEFUN(AC_FUNC_MEMCMP, -[AC_CACHE_CHECK(for 8-bit clean memcmp, ac_cv_func_memcmp_clean, -[AC_TRY_RUN([ -main() -{ - char c0 = 0x40, c1 = 0x80, c2 = 0x81; - exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1); -} -], ac_cv_func_memcmp_clean=yes, ac_cv_func_memcmp_clean=no, -ac_cv_func_memcmp_clean=no)]) -test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.${ac_objext}" -AC_SUBST(LIBOBJS)dnl -]) - -AC_DEFUN(AC_FUNC_SELECT_ARGTYPES, -[AC_MSG_CHECKING([types of arguments for select()]) - AC_CACHE_VAL(ac_cv_func_select_arg234,dnl - [AC_CACHE_VAL(ac_cv_func_select_arg1,dnl - [AC_CACHE_VAL(ac_cv_func_select_arg5,dnl - [for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do - for ac_cv_func_select_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do - for ac_cv_func_select_arg5 in 'struct timeval *' 'const struct timeval *'; do - AC_TRY_COMPILE(dnl -[#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif -#ifdef HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -extern int select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl - [ac_not_found=no ; break 3],ac_not_found=yes) - done - done - done - ])dnl AC_CACHE_VAL - ])dnl AC_CACHE_VAL - ])dnl AC_CACHE_VAL - if test "$ac_not_found" = yes; then - ac_cv_func_select_arg1=int - ac_cv_func_select_arg234='int *' - ac_cv_func_select_arg5='struct timeval *' - fi - AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5]) - AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1) - AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234)) - AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5)) -]) - - -dnl ### Checks for structure members - - -AC_DEFUN(AC_HEADER_TIME, -[AC_CACHE_CHECK([whether time.h and sys/time.h may both be included], - ac_cv_header_time, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/time.h> -#include <time.h>], -[struct tm *tp;], ac_cv_header_time=yes, ac_cv_header_time=no)]) -if test $ac_cv_header_time = yes; then - AC_DEFINE(TIME_WITH_SYS_TIME) -fi -]) - -AC_DEFUN(AC_STRUCT_TM, -[AC_CACHE_CHECK([whether struct tm is in sys/time.h or time.h], - ac_cv_struct_tm, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <time.h>], -[struct tm *tp; tp->tm_sec;], - ac_cv_struct_tm=time.h, ac_cv_struct_tm=sys/time.h)]) -if test $ac_cv_struct_tm = sys/time.h; then - AC_DEFINE(TM_IN_SYS_TIME) -fi -]) - -AC_DEFUN(AC_STRUCT_TIMEZONE, -[AC_REQUIRE([AC_STRUCT_TM])dnl -AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;], - ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)]) -if test "$ac_cv_struct_tm_zone" = yes; then - AC_DEFINE(HAVE_TM_ZONE) -else - AC_CACHE_CHECK(for tzname, ac_cv_var_tzname, -[AC_TRY_LINK( -changequote(<<, >>)dnl -<<#include <time.h> -#ifndef tzname /* For SGI. */ -extern char *tzname[]; /* RS6000 and others reject char **tzname. */ -#endif>>, -changequote([, ])dnl -[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)]) - if test $ac_cv_var_tzname = yes; then - AC_DEFINE(HAVE_TZNAME) - fi -fi -]) - -AC_DEFUN(AC_STRUCT_ST_BLOCKS, -[AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/stat.h>], [struct stat s; s.st_blocks;], -ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)]) -if test $ac_cv_struct_st_blocks = yes; then - AC_DEFINE(HAVE_ST_BLOCKS) -else - LIBOBJS="$LIBOBJS fileblocks.${ac_objext}" -fi -AC_SUBST(LIBOBJS)dnl -]) - -AC_DEFUN(AC_STRUCT_ST_BLKSIZE, -[AC_CACHE_CHECK([for st_blksize in struct stat], ac_cv_struct_st_blksize, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/stat.h>], [struct stat s; s.st_blksize;], -ac_cv_struct_st_blksize=yes, ac_cv_struct_st_blksize=no)]) -if test $ac_cv_struct_st_blksize = yes; then - AC_DEFINE(HAVE_ST_BLKSIZE) -fi -]) - -AC_DEFUN(AC_STRUCT_ST_RDEV, -[AC_CACHE_CHECK([for st_rdev in struct stat], ac_cv_struct_st_rdev, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/stat.h>], [struct stat s; s.st_rdev;], -ac_cv_struct_st_rdev=yes, ac_cv_struct_st_rdev=no)]) -if test $ac_cv_struct_st_rdev = yes; then - AC_DEFINE(HAVE_ST_RDEV) -fi -]) - - -dnl ### Checks for compiler characteristics - - -AC_DEFUN(AC_C_CROSS, -[AC_OBSOLETE([$0], [; it has been merged into AC_PROG_CC])]) - -AC_DEFUN(AC_C_CHAR_UNSIGNED, -[AC_CACHE_CHECK(whether char is unsigned, ac_cv_c_char_unsigned, -[if test "$GCC" = yes; then - # GCC predefines this symbol on systems where it applies. -AC_EGREP_CPP(yes, -[#ifdef __CHAR_UNSIGNED__ - yes -#endif -], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no) -else -AC_TRY_RUN( -[/* volatile prevents gcc2 from optimizing the test away on sparcs. */ -#if !defined(__STDC__) || __STDC__ != 1 -#define volatile -#endif -main() { - volatile char c = 255; exit(c < 0); -}], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no) -fi]) -if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then - AC_DEFINE(__CHAR_UNSIGNED__) -fi -]) - -AC_DEFUN(AC_C_LONG_DOUBLE, -[AC_CACHE_CHECK(for long double, ac_cv_c_long_double, -[if test "$GCC" = yes; then - ac_cv_c_long_double=yes -else -AC_TRY_RUN([int main() { -/* The Stardent Vistra knows sizeof(long double), but does not support it. */ -long double foo = 0.0; -/* On Ultrix 4.3 cc, long double is 4 and double is 8. */ -exit(sizeof(long double) < sizeof(double)); }], -ac_cv_c_long_double=yes, ac_cv_c_long_double=no) -fi]) -if test $ac_cv_c_long_double = yes; then - AC_DEFINE(HAVE_LONG_DOUBLE) -fi -]) - -AC_DEFUN(AC_INT_16_BITS, -[AC_OBSOLETE([$0], [; instead use AC_CHECK_SIZEOF(int)])dnl -AC_MSG_CHECKING(whether int is 16 bits) -AC_TRY_RUN([main() { exit(sizeof(int) != 2); }], - [AC_MSG_RESULT(yes) - AC_DEFINE(INT_16_BITS)], AC_MSG_RESULT(no)) -]) - -AC_DEFUN(AC_LONG_64_BITS, -[AC_OBSOLETE([$0], [; instead use AC_CHECK_SIZEOF(long)])dnl -AC_MSG_CHECKING(whether long int is 64 bits) -AC_TRY_RUN([main() { exit(sizeof(long int) != 8); }], - [AC_MSG_RESULT(yes) - AC_DEFINE(LONG_64_BITS)], AC_MSG_RESULT(no)) -]) - -AC_DEFUN(AC_C_BIGENDIAN, -[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian, -[ac_cv_c_bigendian=unknown -# See if sys/param.h defines the BYTE_ORDER macro. -AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/param.h>], [ -#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN - bogus endian macros -#endif], [# It does; now see whether it defined to BIG_ENDIAN or not. -AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/param.h>], [ -#if BYTE_ORDER != BIG_ENDIAN - not big endian -#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)]) -if test $ac_cv_c_bigendian = unknown; then -AC_TRY_RUN([main () { - /* Are we little or big endian? From Harbison&Steele. */ - union - { - long l; - char c[sizeof (long)]; - } u; - u.l = 1; - exit (u.c[sizeof (long) - 1] == 1); -}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes) -fi]) -if test $ac_cv_c_bigendian = yes; then - AC_DEFINE(WORDS_BIGENDIAN) -fi -]) - -dnl Do nothing if the compiler accepts the inline keyword. -dnl Otherwise define inline to __inline__ or __inline if one of those work, -dnl otherwise define inline to be empty. -AC_DEFUN(AC_C_INLINE, -[AC_CACHE_CHECK([for inline], ac_cv_c_inline, -[ac_cv_c_inline=no -for ac_kw in inline __inline__ __inline; do - AC_TRY_COMPILE(, [} $ac_kw foo() {], [ac_cv_c_inline=$ac_kw; break]) -done -]) -case "$ac_cv_c_inline" in - inline | yes) ;; - no) AC_DEFINE(inline, ) ;; - *) AC_DEFINE_UNQUOTED(inline, $ac_cv_c_inline) ;; -esac -]) - -AC_DEFUN(AC_C_CONST, -[dnl This message is consistent in form with the other checking messages, -dnl and with the result message. -AC_CACHE_CHECK([for working const], ac_cv_c_const, -[AC_TRY_COMPILE(, -changequote(<<, >>)dnl -<< -/* Ultrix mips cc rejects this. */ -typedef int charset[2]; const charset x; -/* SunOS 4.1.1 cc rejects this. */ -char const *const *ccp; -char **p; -/* NEC SVR4.0.2 mips cc rejects this. */ -struct point {int x, y;}; -static struct point const zero = {0,0}; -/* AIX XL C 1.02.0.0 rejects this. - It does not let you subtract one const X* pointer from another in an arm - of an if-expression whose if-part is not a constant expression */ -const char *g = "string"; -ccp = &g + (g ? g-g : 0); -/* HPUX 7.0 cc rejects these. */ -++ccp; -p = (char**) ccp; -ccp = (char const *const *) p; -{ /* SCO 3.2v4 cc rejects this. */ - char *t; - char const *s = 0 ? (char *) 0 : (char const *) 0; - - *t++ = 0; -} -{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ - int x[] = {25, 17}; - const int *foo = &x[0]; - ++foo; -} -{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ - typedef const int *iptr; - iptr p = 0; - ++p; -} -{ /* AIX XL C 1.02.0.0 rejects this saying - "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ - struct s { int j; const int *ap[3]; }; - struct s *b; b->j = 5; -} -{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ - const int foo = 10; -} ->>, -changequote([, ])dnl -ac_cv_c_const=yes, ac_cv_c_const=no)]) -if test $ac_cv_c_const = no; then - AC_DEFINE(const, ) -fi -]) - -AC_DEFUN(AC_C_STRINGIZE, [ -AC_REQUIRE([AC_PROG_CPP]) -AC_MSG_CHECKING([for preprocessor stringizing operator]) -AC_CACHE_VAL(ac_cv_c_stringize, -AC_EGREP_CPP([#teststring],[ -#define x(y) #y - -char *s = x(teststring); -], ac_cv_c_stringize=no, ac_cv_c_stringize=yes)) -if test "${ac_cv_c_stringize}" = yes -then - AC_DEFINE(HAVE_STRINGIZE) -fi -AC_MSG_RESULT([${ac_cv_c_stringize}]) -])dnl - -define(AC_ARG_ARRAY, -[errprint(__file__:__line__: [$0] has been removed; don't do unportable things with arguments -)m4exit(4)]) - -dnl Check the object extension used by the compiler: typically .o or -dnl .obj. If this is called, some other behaviour will change, -dnl determined by ac_objext. -AC_DEFUN(AC_OBJEXT, -[AC_MSG_CHECKING([for object suffix]) -AC_CACHE_VAL(ac_cv_objext, -[rm -f conftest* -echo 'int i = 1;' > conftest.$ac_ext -if AC_TRY_EVAL(ac_compile); then - for ac_file in conftest.*; do - case $ac_file in - *.c) ;; - *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;; - esac - done -else - AC_MSG_ERROR([installation or configuration problem; compiler does not work]) -fi -rm -f conftest*]) -AC_MSG_RESULT($ac_cv_objext) -OBJEXT=$ac_cv_objext -ac_objext=$ac_cv_objext -AC_SUBST(OBJEXT)]) - -dnl Determine the linker flags (e.g. `-L' and `-l') for the Fortran 77 -dnl intrinsic and run-time libraries that are required to successfully -dnl link a Fortran 77 program or shared library. The output variable -dnl FLIBS is set to these flags. -dnl -dnl This macro is intended to be used in those situations when it is -dnl necessary to mix, e.g. C++ and Fortran 77, source code into a single -dnl program or shared library. -dnl -dnl For example, if object files from a C++ and Fortran 77 compiler must -dnl be linked together, then the C++ compiler/linker must be used for -dnl linking (since special C++-ish things need to happen at link time -dnl like calling global constructors, instantiating templates, enabling -dnl exception support, etc.). -dnl -dnl However, the Fortran 77 intrinsic and run-time libraries must be -dnl linked in as well, but the C++ compiler/linker doesn't know how to -dnl add these Fortran 77 libraries. Hence, the macro -dnl `AC_F77_LIBRARY_LDFLAGS' was created to determine these Fortran 77 -dnl libraries. -dnl -dnl This macro was packaged in its current form by Matthew D. Langston -dnl <langston@SLAC.Stanford.EDU>. However, nearly all of this macro -dnl came from the `OCTAVE_FLIBS' macro in `octave-2.0.13/aclocal.m4', -dnl and full credit should go to John W. Eaton for writing this -dnl extremely useful macro. Thank you John. -dnl -dnl AC_F77_LIBRARY_LDFLAGS() -AC_DEFUN(AC_F77_LIBRARY_LDFLAGS, -[AC_MSG_CHECKING([for Fortran 77 libraries]) -AC_REQUIRE([AC_PROG_F77]) -AC_REQUIRE([AC_CANONICAL_HOST]) -AC_CACHE_VAL(ac_cv_flibs, -[changequote(, )dnl -dnl Write a minimal program and compile it with -v. I don't know what -dnl to do if your compiler doesn't have -v... -echo " END" > conftest.f -foutput=`${F77} -v -o conftest conftest.f 2>&1` -dnl -dnl The easiest thing to do for xlf output is to replace all the commas -dnl with spaces. Try to only do that if the output is really from xlf, -dnl since doing that causes problems on other systems. -dnl -xlf_p=`echo $foutput | grep xlfentry` -if test -n "$xlf_p"; then - foutput=`echo $foutput | sed 's/,/ /g'` -fi -dnl -ld_run_path=`echo $foutput | \ - sed -n -e 's/^.*LD_RUN_PATH *= *\([^ ]*\).*/\1/p'` -dnl -dnl We are only supposed to find this on Solaris systems... -dnl Uh, the run path should be absolute, shouldn't it? -dnl -case "$ld_run_path" in - /*) - if test "$ac_cv_prog_gcc" = yes; then - ld_run_path="-Xlinker -R -Xlinker $ld_run_path" - else - ld_run_path="-R $ld_run_path" - fi - ;; - *) - ld_run_path= - ;; -esac -dnl -flibs= -lflags= -dnl -dnl If want_arg is set, we know we want the arg to be added to the list, -dnl so we don't have to examine it. -dnl -want_arg= -dnl -for arg in $foutput; do - old_want_arg=$want_arg - want_arg= -dnl -dnl None of the options that take arguments expect the argument to -dnl start with a -, so pretend we didn't see anything special. -dnl - if test -n "$old_want_arg"; then - case "$arg" in - -*) - old_want_arg= - ;; - esac - fi - case "$old_want_arg" in - '') - case $arg in - /*.a) - exists=false - for f in $lflags; do - if test x$arg = x$f; then - exists=true - fi - done - if $exists; then - arg= - else - lflags="$lflags $arg" - fi - ;; - -bI:*) - exists=false - for f in $lflags; do - if test x$arg = x$f; then - exists=true - fi - done - if $exists; then - arg= - else - if test "$ac_cv_prog_gcc" = yes; then - lflags="$lflags -Xlinker $arg" - else - lflags="$lflags $arg" - fi - fi - ;; - -lang* | -lcrt0.o | -lc | -lgcc) - arg= - ;; - -[lLR]) - want_arg=$arg - arg= - ;; - -[lLR]*) - exists=false - for f in $lflags; do - if test x$arg = x$f; then - exists=true - fi - done - if $exists; then - arg= - else - case "$arg" in - -lkernel32) - case "$canonical_host_type" in - *-*-cygwin*) - arg= - ;; - *) - lflags="$lflags $arg" - ;; - esac - ;; - -lm) - ;; - *) - lflags="$lflags $arg" - ;; - esac - fi - ;; - -u) - want_arg=$arg - arg= - ;; - -Y) - want_arg=$arg - arg= - ;; - *) - arg= - ;; - esac - ;; - -[lLR]) - arg="$old_want_arg $arg" - ;; - -u) - arg="-u $arg" - ;; - -Y) -dnl -dnl Should probably try to ensure unique directory options here too. -dnl This probably only applies to Solaris systems, and then will only -dnl work with gcc... -dnl - arg=`echo $arg | sed -e 's%^P,%%'` - SAVE_IFS=$IFS - IFS=: - list= - for elt in $arg; do - list="$list -L$elt" - done - IFS=$SAVE_IFS - arg="$list" - ;; - esac -dnl - if test -n "$arg"; then - flibs="$flibs $arg" - fi -done -if test -n "$ld_run_path"; then - flibs_result="$ld_run_path $flibs" -else - flibs_result="$flibs" -fi -changequote([, ])dnl -ac_cv_flibs="$flibs_result"]) -FLIBS="$ac_cv_flibs" -AC_SUBST(FLIBS)dnl -AC_MSG_RESULT($FLIBS) -]) - - -dnl ### Checks for operating system services - - -AC_DEFUN(AC_SYS_INTERPRETER, -[# Pull the hash mark out of the macro call to avoid m4 problems. -ac_msg="whether #! works in shell scripts" -AC_CACHE_CHECK($ac_msg, ac_cv_sys_interpreter, -[echo '#! /bin/cat -exit 69 -' > conftest -chmod u+x conftest -(SHELL=/bin/sh; export SHELL; ./conftest >/dev/null) -if test $? -ne 69; then - ac_cv_sys_interpreter=yes -else - ac_cv_sys_interpreter=no -fi -rm -f conftest]) -interpval="$ac_cv_sys_interpreter" -]) - -define(AC_HAVE_POUNDBANG, -[errprint(__file__:__line__: [$0 has been replaced by AC_SYS_INTERPRETER, taking no arguments -])m4exit(4)]) - -AC_DEFUN(AC_SYS_LONG_FILE_NAMES, -[AC_CACHE_CHECK(for long file names, ac_cv_sys_long_file_names, -[ac_cv_sys_long_file_names=yes -# Test for long file names in all the places we know might matter: -# . the current directory, where building will happen -# $prefix/lib where we will be installing things -# $exec_prefix/lib likewise -# eval it to expand exec_prefix. -# $TMPDIR if set, where it might want to write temporary files -# if $TMPDIR is not set: -# /tmp where it might want to write temporary files -# /var/tmp likewise -# /usr/tmp likewise -if test -n "$TMPDIR" && test -d "$TMPDIR" && test -w "$TMPDIR"; then - ac_tmpdirs="$TMPDIR" -else - ac_tmpdirs='/tmp /var/tmp /usr/tmp' -fi -for ac_dir in . $ac_tmpdirs `eval echo $prefix/lib $exec_prefix/lib` ; do - test -d $ac_dir || continue - test -w $ac_dir || continue # It is less confusing to not echo anything here. - (echo 1 > $ac_dir/conftest9012345) 2>/dev/null - (echo 2 > $ac_dir/conftest9012346) 2>/dev/null - val=`cat $ac_dir/conftest9012345 2>/dev/null` - if test ! -f $ac_dir/conftest9012345 || test "$val" != 1; then - ac_cv_sys_long_file_names=no - rm -f $ac_dir/conftest9012345 $ac_dir/conftest9012346 2>/dev/null - break - fi - rm -f $ac_dir/conftest9012345 $ac_dir/conftest9012346 2>/dev/null -done]) -if test $ac_cv_sys_long_file_names = yes; then - AC_DEFINE(HAVE_LONG_FILE_NAMES) -fi -]) - -AC_DEFUN(AC_SYS_RESTARTABLE_SYSCALLS, -[AC_CACHE_CHECK(for restartable system calls, ac_cv_sys_restartable_syscalls, -[AC_TRY_RUN( -[/* Exit 0 (true) if wait returns something other than -1, - i.e. the pid of the child, which means that wait was restarted - after getting the signal. */ -#include <sys/types.h> -#include <signal.h> -ucatch (isig) { } -main () { - int i = fork (), status; - if (i == 0) { sleep (3); kill (getppid (), SIGINT); sleep (3); exit (0); } - signal (SIGINT, ucatch); - status = wait(&i); - if (status == -1) wait(&i); - exit (status == -1); -} -], ac_cv_sys_restartable_syscalls=yes, ac_cv_sys_restartable_syscalls=no)]) -if test $ac_cv_sys_restartable_syscalls = yes; then - AC_DEFINE(HAVE_RESTARTABLE_SYSCALLS) -fi -]) - -AC_DEFUN(AC_PATH_X, -[AC_REQUIRE_CPP()dnl Set CPP; we run AC_PATH_X_DIRECT conditionally. -# If we find X, set shell vars x_includes and x_libraries to the -# paths, otherwise set no_x=yes. -# Uses ac_ vars as temps to allow command line to override cache and checks. -# --without-x overrides everything else, but does not touch the cache. -AC_MSG_CHECKING(for X) - -AC_ARG_WITH(x, [ --with-x use the X Window System]) -# $have_x is `yes', `no', `disabled', or empty when we do not yet know. -if test "x$with_x" = xno; then - # The user explicitly disabled X. - have_x=disabled -else - if test "x$x_includes" != xNONE && test "x$x_libraries" != xNONE; then - # Both variables are already set. - have_x=yes - else -AC_CACHE_VAL(ac_cv_have_x, -[# One or both of the vars are not set, and there is no cached value. -ac_x_includes=NO ac_x_libraries=NO -AC_PATH_X_XMKMF -AC_PATH_X_DIRECT -if test "$ac_x_includes" = NO || test "$ac_x_libraries" = NO; then - # Didn't find X anywhere. Cache the known absence of X. - ac_cv_have_x="have_x=no" -else - # Record where we found X for the cache. - ac_cv_have_x="have_x=yes \ - ac_x_includes=$ac_x_includes ac_x_libraries=$ac_x_libraries" -fi])dnl - fi - eval "$ac_cv_have_x" -fi # $with_x != no - -if test "$have_x" != yes; then - AC_MSG_RESULT($have_x) - no_x=yes -else - # If each of the values was on the command line, it overrides each guess. - test "x$x_includes" = xNONE && x_includes=$ac_x_includes - test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries - # Update the cache value to reflect the command line values. - ac_cv_have_x="have_x=yes \ - ac_x_includes=$x_includes ac_x_libraries=$x_libraries" - AC_MSG_RESULT([libraries $x_libraries, headers $x_includes]) -fi -]) - -dnl Internal subroutine of AC_PATH_X. -dnl Set ac_x_includes and/or ac_x_libraries. -AC_DEFUN(AC_PATH_X_XMKMF, -[rm -fr conftestdir -if mkdir conftestdir; then - cd conftestdir - # Make sure to not put "make" in the Imakefile rules, since we grep it out. - cat > Imakefile <<'EOF' -acfindx: - @echo 'ac_im_incroot="${INCROOT}"; ac_im_usrlibdir="${USRLIBDIR}"; ac_im_libdir="${LIBDIR}"' -EOF - if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then - # GNU make sometimes prints "make[1]: Entering...", which would confuse us. - eval `${MAKE-make} acfindx 2>/dev/null | grep -v make` - # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR. - for ac_extension in a so sl; do - if test ! -f $ac_im_usrlibdir/libX11.$ac_extension && - test -f $ac_im_libdir/libX11.$ac_extension; then - ac_im_usrlibdir=$ac_im_libdir; break - fi - done - # Screen out bogus values from the imake configuration. They are - # bogus both because they are the default anyway, and because - # using them would break gcc on systems where it needs fixed includes. - case "$ac_im_incroot" in - /usr/include) ;; - *) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes="$ac_im_incroot" ;; - esac - case "$ac_im_usrlibdir" in - /usr/lib | /lib) ;; - *) test -d "$ac_im_usrlibdir" && ac_x_libraries="$ac_im_usrlibdir" ;; - esac - fi - cd .. - rm -fr conftestdir -fi -]) - -dnl Internal subroutine of AC_PATH_X. -dnl Set ac_x_includes and/or ac_x_libraries. -AC_DEFUN(AC_PATH_X_DIRECT, -[if test "$ac_x_includes" = NO; then - # Guess where to find include files, by looking for this one X11 .h file. - test -z "$x_direct_test_include" && x_direct_test_include=X11/Intrinsic.h - - # First, try using that file with no special directory specified. -AC_TRY_CPP([#include <$x_direct_test_include>], -[# We can compile using X headers with no special include directory. -ac_x_includes=], -[# Look for the header file in a standard set of common directories. -# Check X11 before X11Rn because it is often a symlink to the current release. - for ac_dir in \ - /usr/X11/include \ - /usr/X11R6/include \ - /usr/X11R5/include \ - /usr/X11R4/include \ - \ - /usr/include/X11 \ - /usr/include/X11R6 \ - /usr/include/X11R5 \ - /usr/include/X11R4 \ - \ - /usr/local/X11/include \ - /usr/local/X11R6/include \ - /usr/local/X11R5/include \ - /usr/local/X11R4/include \ - \ - /usr/local/include/X11 \ - /usr/local/include/X11R6 \ - /usr/local/include/X11R5 \ - /usr/local/include/X11R4 \ - \ - /usr/X386/include \ - /usr/x386/include \ - /usr/XFree86/include/X11 \ - \ - /usr/include \ - /usr/local/include \ - /usr/unsupported/include \ - /usr/athena/include \ - /usr/local/x11r5/include \ - /usr/lpp/Xamples/include \ - \ - /usr/openwin/include \ - /usr/openwin/share/include \ - ; \ - do - if test -r "$ac_dir/$x_direct_test_include"; then - ac_x_includes=$ac_dir - break - fi - done]) -fi # $ac_x_includes = NO - -if test "$ac_x_libraries" = NO; then - # Check for the libraries. - - test -z "$x_direct_test_library" && x_direct_test_library=Xt - test -z "$x_direct_test_function" && x_direct_test_function=XtMalloc - test -z "$x_direct_test_arguments" && x_direct_test_arguments=1 - - # See if we find them without any special options. - # Don't add to $LIBS permanently. - ac_save_LIBS="$LIBS" - LIBS="-l$x_direct_test_library $LIBS" -AC_TRY_LINK([#include <${x_direct_test_include}>], -[${x_direct_test_function}(${x_direct_test_arguments})], -[LIBS="$ac_save_LIBS" -# We can link X programs with no special library path. -ac_x_libraries=], -[LIBS="$ac_save_LIBS" -# First see if replacing the include by lib works. -# Check X11 before X11Rn because it is often a symlink to the current release. -for ac_dir in `echo "$ac_x_includes" | sed s/include/lib/` \ - /usr/X11/lib \ - /usr/X11R6/lib \ - /usr/X11R5/lib \ - /usr/X11R4/lib \ - \ - /usr/lib/X11 \ - /usr/lib/X11R6 \ - /usr/lib/X11R5 \ - /usr/lib/X11R4 \ - \ - /usr/local/X11/lib \ - /usr/local/X11R6/lib \ - /usr/local/X11R5/lib \ - /usr/local/X11R4/lib \ - \ - /usr/local/lib/X11 \ - /usr/local/lib/X11R6 \ - /usr/local/lib/X11R5 \ - /usr/local/lib/X11R4 \ - \ - /usr/X386/lib \ - /usr/x386/lib \ - /usr/XFree86/lib/X11 \ - \ - /usr/lib \ - /usr/local/lib \ - /usr/unsupported/lib \ - /usr/athena/lib \ - /usr/local/x11r5/lib \ - /usr/lpp/Xamples/lib \ - /lib/usr/lib/X11 \ - \ - /usr/openwin/lib \ - /usr/openwin/share/lib \ - ; \ -do -dnl Don't even attempt the hair of trying to link an X program! - for ac_extension in a so sl; do - if test -r $ac_dir/lib${x_direct_test_library}.$ac_extension; then - ac_x_libraries=$ac_dir - break 2 - fi - done -done]) -fi # $ac_x_libraries = NO -]) - -dnl Find additional X libraries, magic flags, etc. -AC_DEFUN(AC_PATH_XTRA, -[AC_REQUIRE([AC_PATH_X])dnl -if test "$no_x" = yes; then - # Not all programs may use this symbol, but it does not hurt to define it. - AC_DEFINE(X_DISPLAY_MISSING) - X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS= -else - if test -n "$x_includes"; then - X_CFLAGS="$X_CFLAGS -I$x_includes" - fi - - # It would also be nice to do this for all -L options, not just this one. - if test -n "$x_libraries"; then - X_LIBS="$X_LIBS -L$x_libraries" -dnl FIXME banish uname from this macro! - # For Solaris; some versions of Sun CC require a space after -R and - # others require no space. Words are not sufficient . . . . - case "`(uname -sr) 2>/dev/null`" in - "SunOS 5"*) - AC_MSG_CHECKING(whether -R must be followed by a space) - ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries" - AC_TRY_LINK(, , ac_R_nospace=yes, ac_R_nospace=no) - if test $ac_R_nospace = yes; then - AC_MSG_RESULT(no) - X_LIBS="$X_LIBS -R$x_libraries" - else - LIBS="$ac_xsave_LIBS -R $x_libraries" - AC_TRY_LINK(, , ac_R_space=yes, ac_R_space=no) - if test $ac_R_space = yes; then - AC_MSG_RESULT(yes) - X_LIBS="$X_LIBS -R $x_libraries" - else - AC_MSG_RESULT(neither works) - fi - fi - LIBS="$ac_xsave_LIBS" - ;; - OSF1*|IRIX*) - # OSF1 refers to Dec-Unix. -rpath is required in du 4.0 - at least - # -rpath is required in irix 5.x and 6.x - at least - # (Is -rpath really needed in IRIX? OJM) - X_LIBS="$X_LIBS -Wl,-rpath,$x_libraries" - ;; - esac - fi - - # Check for system-dependent libraries X programs must link with. - # Do this before checking for the system-independent R6 libraries - # (-lICE), since we may need -lsocket or whatever for X linking. - - if test "$ISC" = yes; then - X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet" - else - # Martyn.Johnson@cl.cam.ac.uk says this is needed for Ultrix, if the X - # libraries were built with DECnet support. And karl@cs.umb.edu says - # the Alpha needs dnet_stub (dnet does not exist). - AC_CHECK_LIB(dnet, dnet_ntoa, [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"]) - if test $ac_cv_lib_dnet_dnet_ntoa = no; then - AC_CHECK_LIB(dnet_stub, dnet_ntoa, - [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"]) - fi - - # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT, - # to get the SysV transport functions. - # chad@anasazi.com says the Pyramis MIS-ES running DC/OSx (SVR4) - # needs -lnsl. - # The nsl library prevents programs from opening the X display - # on Irix 5.2, according to dickey@clark.net. - AC_CHECK_FUNC(gethostbyname) - if test $ac_cv_func_gethostbyname = no; then - AC_CHECK_LIB(nsl, gethostbyname, X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl") - fi - - # lieder@skyler.mavd.honeywell.com says without -lsocket, - # socket/setsockopt and other routines are undefined under SCO ODT - # 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary - # on later versions), says simon@lia.di.epfl.ch: it contains - # gethostby* variants that don't use the nameserver (or something). - # -lsocket must be given before -lnsl if both are needed. - # We assume that if connect needs -lnsl, so does gethostbyname. - AC_CHECK_FUNC(connect) - if test $ac_cv_func_connect = no; then - AC_CHECK_LIB(socket, connect, X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS", , - $X_EXTRA_LIBS) - fi - - # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX. - AC_CHECK_FUNC(remove) - if test $ac_cv_func_remove = no; then - AC_CHECK_LIB(posix, remove, X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix") - fi - - # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay. - AC_CHECK_FUNC(shmat) - if test $ac_cv_func_shmat = no; then - AC_CHECK_LIB(ipc, shmat, X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc") - fi - fi - - # Check for libraries that X11R6 Xt/Xaw programs need. - ac_save_LDFLAGS="$LDFLAGS" - test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries" - # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to - # check for ICE first), but we must link in the order -lSM -lICE or - # we get undefined symbols. So assume we have SM if we have ICE. - # These have to be linked with before -lX11, unlike the other - # libraries we check for below, so use a different variable. - # --interran@uluru.Stanford.EDU, kb@cs.umb.edu. - AC_CHECK_LIB(ICE, IceConnectionNumber, - [X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"], , $X_EXTRA_LIBS) - LDFLAGS="$ac_save_LDFLAGS" - -fi -AC_SUBST(X_CFLAGS)dnl -AC_SUBST(X_PRE_LIBS)dnl -AC_SUBST(X_LIBS)dnl -AC_SUBST(X_EXTRA_LIBS)dnl -]) - -dnl The old Cygwin32 macro is deprecated. -AC_DEFUN(AC_CYGWIN32, -[AC_OBSOLETE([$0], [; instead use AC_CYGWIN])dnl -AC_CYGWIN]) - -dnl Check for Cygwin. This is a way to set the right value for -dnl EXEEXT. -AC_DEFUN(AC_CYGWIN, -[AC_CACHE_CHECK(for Cygwin environment, ac_cv_cygwin, -[AC_TRY_COMPILE(,[ -#ifndef __CYGWIN__ -#define __CYGWIN__ __CYGWIN32__ -#endif -return __CYGWIN__;], -ac_cv_cygwin=yes, ac_cv_cygwin=no) -rm -f conftest*]) -CYGWIN= -test "$ac_cv_cygwin" = yes && CYGWIN=yes]) - -dnl Check for mingw32. This is another way to set the right value for -dnl EXEEXT. -AC_DEFUN(AC_MINGW32, -[AC_CACHE_CHECK(for mingw32 environment, ac_cv_mingw32, -[AC_TRY_COMPILE(,[return __MINGW32__;], -ac_cv_mingw32=yes, ac_cv_mingw32=no) -rm -f conftest*]) -MINGW32= -test "$ac_cv_mingw32" = yes && MINGW32=yes]) - -dnl Check for djgpp. -AC_DEFUN(AC_DJGPP, -[AC_CACHE_CHECK(for djgpp environment, ac_cv_djgpp, -[AC_TRY_COMPILE(,[ -#if defined (DJGPP) || defined (__DJGPP__) -#define __HAVE_DJGPP__ 1 -#endif -return __HAVE_DJGPP__;], -ac_cv_djgpp=yes, ac_cv_djgpp=no) -rm -f conftest*]) -HAVE_DJGPP= -test "$ac_cv_djgpp" = yes && HAVE_DJGPP=yes]) - -dnl Check for win32. -AC_DEFUN(AC_WIN32, -[AC_CACHE_CHECK(for win32 environment, ac_cv_win32, -[AC_TRY_COMPILE(,[ -#if defined(WIN32) || defined(__WIN32__) || defined(_WIN32) -#define __HAVE_WIN32__ 1 -#endif -return __HAVE_WIN32__;], -ac_cv_win32=yes, ac_cv_win32=no) -rm -f conftest*]) -HAVE_WIN32= -test "$ac_cv_win32" = yes && HAVE_WIN32=yes]) - -dnl Check for the extension used for executables. This knows that we -dnl add .exe for Cygwin or mingw32. Otherwise, it compiles a test -dnl executable. If this is called, the executable extensions will be -dnl automatically used by link commands run by the configure script. -AC_DEFUN(AC_EXEEXT, -[AC_REQUIRE([AC_CYGWIN]) -AC_REQUIRE([AC_MINGW32]) -AC_MSG_CHECKING([for executable suffix]) -AC_CACHE_VAL(ac_cv_exeext, -[if test "$CYGWIN" = yes || test "$MINGW32" = yes; then - ac_cv_exeext=.exe -else - rm -f conftest* - echo 'int main () { return 0; }' > conftest.$ac_ext - ac_cv_exeext= - if AC_TRY_EVAL(ac_link); then - for file in conftest.*; do - case $file in - *.c | *.o | *.obj) ;; - *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;; - esac - done - else - AC_MSG_ERROR([installation or configuration problem: compiler cannot create executables.]) - fi - rm -f conftest* - test x"${ac_cv_exeext}" = x && ac_cv_exeext=no -fi]) -EXEEXT="" -test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext} -AC_MSG_RESULT(${ac_cv_exeext}) -dnl Setting ac_exeext will implicitly change the ac_link command. -ac_exeext=$EXEEXT -AC_SUBST(EXEEXT)]) - -dnl Unset CC to run configure with cross compiler. -AC_DEFUN(AC_UNSET_CC, [ -ZZ= -if test "$cross_compiling" = yes && - (test "x$CC" = "xdos-gcc" || test "x$CC" = "xi386-mingw32-gcc" || test "x$CC" = "xgnuwin32gcc") ; then -ZZ=$CC -unset CC -cross_compiling=no -fi -]) - -dnl Restore CC that has been unset by AC_UNSET_CC -AC_DEFUN(AC_RESET_CC, [ -if test "x$ZZ" = "xdos-gcc" || test "x$ZZ" = "xi386-mingw32-gcc" || test "x$ZZ" = "xgnuwin32gcc" ; then -CC=$ZZ -cross_compiling=yes -fi -]) - - -dnl ### Checks for UNIX variants -dnl These are kludges which should be replaced by a single POSIX check. -dnl They aren't cached, to discourage their use. - - -AC_DEFUN(AC_AIX, -[AC_BEFORE([$0], [AC_TRY_COMPILE])dnl -AC_BEFORE([$0], [AC_TRY_RUN])dnl -AC_MSG_CHECKING(for AIX) -AC_EGREP_CPP(yes, -[#ifdef _AIX - yes -#endif -], [AC_MSG_RESULT(yes); AC_DEFINE(_ALL_SOURCE)], AC_MSG_RESULT(no)) -]) - -AC_DEFUN(AC_MINIX, -[AC_BEFORE([$0], [AC_TRY_COMPILE])dnl -AC_BEFORE([$0], [AC_TRY_RUN])dnl -AC_CHECK_HEADER(minix/config.h, MINIX=yes, MINIX=) -if test "$MINIX" = yes; then - AC_DEFINE(_POSIX_SOURCE) - AC_DEFINE(_POSIX_1_SOURCE, 2) - AC_DEFINE(_MINIX) -fi -]) - -AC_DEFUN(AC_ISC_POSIX, -[AC_REQUIRE([AC_PROG_CC])dnl -AC_BEFORE([$0], [AC_TRY_COMPILE])dnl -AC_BEFORE([$0], [AC_TRY_RUN])dnl -AC_MSG_CHECKING(for POSIXized ISC) -if test -d /etc/conf/kconfig.d && - grep _POSIX_VERSION [/usr/include/sys/unistd.h] >/dev/null 2>&1 -then - AC_MSG_RESULT(yes) - ISC=yes # If later tests want to check for ISC. - AC_DEFINE(_POSIX_SOURCE) - if test "$GCC" = yes; then - CC="$CC -posix" - else - CC="$CC -Xp" - fi -else - AC_MSG_RESULT(no) - ISC= -fi -]) - -AC_DEFUN(AC_XENIX_DIR, -[AC_OBSOLETE([$0], [; instead use AC_HEADER_DIRENT])dnl -AC_REQUIRE([AC_DIR_HEADER])dnl -AC_MSG_CHECKING(for Xenix) -AC_EGREP_CPP(yes, -[#if defined(M_XENIX) && !defined(M_UNIX) - yes -#endif -], [AC_MSG_RESULT(yes); XENIX=yes], [AC_MSG_RESULT(no); XENIX=]) -if test "$XENIX" = yes; then - # Make sure -ldir precedes -lx. - test $ac_header_dirent = dirent.h && LIBS="-ldir $LIBS" - LIBS="$LIBS -lx" -fi -]) - -AC_DEFUN(AC_DYNIX_SEQ, -[AC_OBSOLETE([$0], [; instead use AC_FUNC_GETMNTENT])dnl -AC_CHECK_LIB(seq, getmntent, LIBS="-lseq $LIBS") -]) - -AC_DEFUN(AC_IRIX_SUN, -[AC_OBSOLETE([$0], [; instead use AC_FUNC_GETMNTENT or AC_CHECK_LIB(sun, getpwnam)])dnl -AC_CHECK_LIB(sun, getmntent, LIBS="-lsun $LIBS") -]) - -AC_DEFUN(AC_SCO_INTL, -[AC_OBSOLETE([$0], [; instead use AC_FUNC_STRFTIME])dnl -AC_CHECK_LIB(intl, strftime, LIBS="-lintl $LIBS") -]) |