dnl aclocal.m4 for ICU dnl Copyright (c) 1999-2007, International Business Machines Corporation and dnl others. All Rights Reserved. dnl Stephen F. Booth dnl @TOP@ dnl ICU_CHECK_MH_FRAG AC_DEFUN(ICU_CHECK_MH_FRAG, [ AC_CACHE_CHECK( [which Makefile fragment to use], [icu_cv_host_frag], [ case "${host}" in *-*-solaris*) if test "$GCC" = yes; then icu_cv_host_frag=mh-solaris-gcc else icu_cv_host_frag=mh-solaris fi ;; alpha*-*-linux-gnu) if test "$GCC" = yes; then icu_cv_host_frag=mh-alpha-linux-gcc else icu_cv_host_frag=mh-alpha-linux-cc fi ;; powerpc*-*-linux*) if test "$GCC" = yes; then icu_cv_host_frag=mh-linux else icu_cv_host_frag=mh-linux-va fi ;; *-*-linux*|*-pc-gnu) icu_cv_host_frag=mh-linux ;; *-*-cygwin|*-*-mingw32) if test "$GCC" = yes; then AC_TRY_COMPILE([ #ifndef __MINGW32__ #error This is not MinGW #endif], [], icu_cv_host_frag=mh-mingw, icu_cv_host_frag=mh-cygwin) else icu_cv_host_frag=mh-cygwin-msvc fi ;; *-*-*bsd*|*-*-dragonfly*) icu_cv_host_frag=mh-bsd-gcc ;; *-*-aix*) if test "$GCC" = yes; then icu_cv_host_frag=mh-aix-gcc else icu_cv_host_frag=mh-aix-va fi ;; *-*-hpux*) if test "$GCC" = yes; then icu_cv_host_frag=mh-hpux-gcc else case "$CXX" in *aCC) icu_cv_host_frag=mh-hpux-acc ;; esac fi ;; *-*ibm-openedition*|*-*-os390*) icu_cv_host_frag=mh-os390 ;; *-*-os400*) icu_cv_host_frag=mh-os400 ;; *-apple-rhapsody*) icu_cv_host_frag=mh-darwin ;; *-apple-darwin*) icu_cv_host_frag=mh-darwin ;; *-*-beos) icu_cv_host_frag=mh-beos ;; *-*-irix*) icu_cv_host_frag=mh-irix ;; *-dec-osf*) icu_cv_host_frag=mh-alpha-osf ;; *-*-nto*) icu_cv_host_frag=mh-qnx ;; *-ncr-*) icu_cv_host_frag=mh-mpras ;; *) icu_cv_host_frag=mh-unknown ;; esac ] ) ]) dnl ICU_CONDITIONAL - similar example taken from Automake 1.4 AC_DEFUN(ICU_CONDITIONAL, [AC_SUBST($1_TRUE) if $2; then $1_TRUE= else $1_TRUE='#' fi]) dnl ICU_PROG_LINK - Make sure that the linker is usable AC_DEFUN(ICU_PROG_LINK, [ case "${host}" in *-*-cygwin*|*-*-mingw*) if test "$GCC" != yes && test -n "`link --version 2>&1 | grep 'GNU coreutils'`"; then AC_MSG_ERROR([link.exe is not a valid linker. Your PATH is incorrect. Please follow the directions in ICU's readme.]) fi;; *);; esac]) dnl AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) dnl Search for a library defining FUNC, then see if it's not already available. AC_DEFUN(AC_SEARCH_LIBS_FIRST, [AC_PREREQ([2.13]) AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1], [ac_func_search_save_LIBS="$LIBS" ac_cv_search_$1="no" for i in $2; do LIBS="-l$i $5 $ac_func_search_save_LIBS" AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="-l$i" break]) done if test "$ac_cv_search_$1" = "no"; then AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"]) fi LIBS="$ac_func_search_save_LIBS"]) if test "$ac_cv_search_$1" != "no"; then test "$ac_cv_search_$1" = "none required" || LIBS="$ac_cv_search_$1 $LIBS" $3 else : $4 fi]) dnl Check if we can build and use 64-bit libraries AC_DEFUN(AC_CHECK_64BIT_LIBS, [ AC_ARG_ENABLE(64bit-libs, [ --enable-64bit-libs build 64-bit libraries [default=yes]], [ENABLE_64BIT_LIBS=${enableval}], [ENABLE_64BIT_LIBS=yes] ) dnl These results can't be cached because is sets compiler flags. AC_MSG_CHECKING([for 64-bit executable support]) if test "$ENABLE_64BIT_LIBS" != no; then if test "$GCC" = yes; then dnl First we check that gcc already compiles as 64-bit if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then ENABLE_64BIT_LIBS=yes else dnl Now we check a little more forcefully. dnl Maybe the compiler builds as 32-bit on a 64-bit machine. OLD_CFLAGS="${CFLAGS}" OLD_CXXFLAGS="${CXXFLAGS}" CFLAGS="${CFLAGS} -m64" CXXFLAGS="${CXXFLAGS} -m64" AC_TRY_RUN(int main(void) {return 0;}, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) if test "$ENABLE_64BIT_LIBS" = no; then # Nope. We're on a 32-bit machine with a 32-bit compiler. CFLAGS="${OLD_CFLAGS}" CXXFLAGS="${OLD_CXXFLAGS}" fi fi else case "${host}" in sparc*-*-solaris*) SPARCV9=`isainfo -n 2>&1 | grep sparcv9` SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:` if test -z "$SOL64" && test -n "$SPARCV9"; then CFLAGS="${CFLAGS} -xtarget=ultra -xarch=v9" CXXFLAGS="${CXXFLAGS} -xtarget=ultra -xarch=v9" LDFLAGS="${LDFLAGS} -xtarget=ultra -xarch=v9" ENABLE_64BIT_LIBS=yes else ENABLE_64BIT_LIBS=no fi ;; i386-*-solaris*) AMD64=`isainfo -n 2>&1 | grep amd64` # The new compiler option SOL64=`$CXX -m64 2>&1 && $CC -m64 2>&1 | grep -v usage:` if test -z "$SOL64" && test -n "$AMD64"; then CFLAGS="${CFLAGS} -m64" CXXFLAGS="${CXXFLAGS} -m64" ENABLE_64BIT_LIBS=yes else # The older compiler option SOL64=`$CXX -xtarget=generic64 2>&1 && $CC -xtarget=generic64 2>&1 | grep -v usage:` if test -z "$SOL64" && test -n "$AMD64"; then CFLAGS="${CFLAGS} -xtarget=generic64" CXXFLAGS="${CXXFLAGS} -xtarget=generic64" ENABLE_64BIT_LIBS=yes else ENABLE_64BIT_LIBS=no fi fi ;; ia64-*-linux*) # check for ecc/ecpc compiler support if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then ENABLE_64BIT_LIBS=yes else ENABLE_64BIT_LIBS=no fi else # unknown ENABLE_64BIT_LIBS=no fi ;; *-*-cygwin) dnl vcvarsamd64.bat should have been used to enable 64-bit builds. dnl We only do this check to display the correct answer. if test -n "`$CXX -help 2>&1 | grep 'for x64'`"; then ENABLE_64BIT_LIBS=yes else # unknown ENABLE_64BIT_LIBS=no fi ;; *-*-aix*|powerpc64-*-linux*) OLD_CFLAGS="${CFLAGS}" OLD_CXXFLAGS="${CXXFLAGS}" OLD_LDFLAGS="${LDFLAGS}" CFLAGS="${CFLAGS} -q64" CXXFLAGS="${CXXFLAGS} -q64" LDFLAGS="${LDFLAGS} -q64" AC_TRY_RUN(int main(void) {return 0;}, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) if test "$ENABLE_64BIT_LIBS" = no; then CFLAGS="${OLD_CFLAGS}" CXXFLAGS="${OLD_CXXFLAGS}" LDFLAGS="${OLD_LDFLAGS}" else case "${host}" in *-*-aix*) ARFLAGS="${ARFLAGS} -X64" esac fi ;; *-*-hpux*) dnl First we try the newer +DD64, if that doesn't work, dnl try other options. OLD_CFLAGS="${CFLAGS}" OLD_CXXFLAGS="${CXXFLAGS}" CFLAGS="${CFLAGS} +DD64" CXXFLAGS="${CXXFLAGS} +DD64" AC_TRY_RUN(int main(void) {return 0;}, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) if test "$ENABLE_64BIT_LIBS" = no; then CFLAGS="${OLD_CFLAGS}" CXXFLAGS="${OLD_CXXFLAGS}" CFLAGS="${CFLAGS} +DA2.0W" CXXFLAGS="${CXXFLAGS} +DA2.0W" AC_TRY_RUN(int main(void) {return 0;}, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) if test "$ENABLE_64BIT_LIBS" = no; then CFLAGS="${OLD_CFLAGS}" CXXFLAGS="${OLD_CXXFLAGS}" fi fi ;; *-*ibm-openedition*|*-*-os390*) OLD_CFLAGS="${CFLAGS}" OLD_CXXFLAGS="${CXXFLAGS}" OLD_LDFLAGS="${LDFLAGS}" CFLAGS="${CFLAGS} -Wc,lp64" CXXFLAGS="${CXXFLAGS} -Wc,lp64" LDFLAGS="${LDFLAGS} -Wl,lp64" AC_TRY_RUN(int main(void) {return 0;}, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) if test "$ENABLE_64BIT_LIBS" = no; then CFLAGS="${OLD_CFLAGS}" CXXFLAGS="${OLD_CXXFLAGS}" LDFLAGS="${OLD_LDFLAGS}" fi ;; *) ENABLE_64BIT_LIBS=no ;; esac fi else if test "$GCC" = yes; then OLD_CFLAGS="${CFLAGS}" OLD_CXXFLAGS="${CXXFLAGS}" CFLAGS="${CFLAGS} -m32" CXXFLAGS="${CXXFLAGS} -m32" AC_TRY_RUN(int main(void) {return 0;}, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=yes) if test "$ENABLE_64BIT_LIBS" = yes; then CFLAGS="${OLD_CFLAGS}" CXXFLAGS="${OLD_CXXFLAGS}" fi fi fi dnl Individual tests that fail should reset their own flags. AC_MSG_RESULT($ENABLE_64BIT_LIBS) ]) dnl Strict compilation options. AC_DEFUN(AC_CHECK_STRICT_COMPILE, [ AC_MSG_CHECKING([whether strict compiling is on]) AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=no]], [ if test "$enableval" = no then ac_use_strict_options=no else ac_use_strict_options=yes fi ], [ac_use_strict_options=no]) AC_MSG_RESULT($ac_use_strict_options) if test "$ac_use_strict_options" = yes then if test "$GCC" = yes then CFLAGS="$CFLAGS -Wall -ansi -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -Wno-long-long" case "${host}" in *-*-solaris*) CFLAGS="$CFLAGS -D__STDC__=0";; esac else case "${host}" in *-*-cygwin) if test "`$CC /help 2>&1 | head -c9`" = "Microsoft" then CFLAGS="$CFLAGS /W4" fi esac fi if test "$GXX" = yes then CXXFLAGS="$CXXFLAGS -W -Wall -ansi -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long" case "${host}" in *-*-solaris*) CXXFLAGS="$CXXFLAGS -D__STDC__=0";; esac else case "${host}" in *-*-cygwin) if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft" then CXXFLAGS="$CXXFLAGS /W4" fi esac fi fi ])