diff options
Diffstat (limited to 'Build/source/libs/potrace/potrace-1.12/configure.ac')
-rw-r--r-- | Build/source/libs/potrace/potrace-1.12/configure.ac | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/Build/source/libs/potrace/potrace-1.12/configure.ac b/Build/source/libs/potrace/potrace-1.12/configure.ac new file mode 100644 index 00000000000..b0ecb2a18d7 --- /dev/null +++ b/Build/source/libs/potrace/potrace-1.12/configure.ac @@ -0,0 +1,278 @@ +dnl Copyright (C) 2001-2015 Peter Selinger. +dnl This file is part of Potrace. It is free software and it is covered +dnl by the GNU General Public License. See the file COPYING for details. + +dnl Process this file with autoconf to produce a configure script. + +dnl ---------------------------------------------------------------------- +dnl Package info +AC_INIT([potrace],[1.12],[selinger at users.sourceforge.net]) +AC_CONFIG_SRCDIR(src/trace.c) +AM_INIT_AUTOMAKE +AC_CONFIG_HEADER(config.h) +AC_CONFIG_MACRO_DIR([m4]) + +DATE="March 2015" + +dnl ---------------------------------------------------------------------- +dnl The names of the installed executables are defined here, but +dnl should not normally be changed. + +POTRACE=potrace +AC_DEFINE_UNQUOTED(POTRACE,"$POTRACE",Name of the potrace binary) + +MKBITMAP=mkbitmap +AC_DEFINE_UNQUOTED(MKBITMAP,"$MKBITMAP",Name of the mkbitmap binary) + +dnl ---------------------------------------------------------------------- +dnl figure out compiler options + +dnl remember user's CFLAGS, if any +iCFLAGS="$CFLAGS" + +dnl Check for compiler +AC_PROG_CC + +dnl If compiler is gcc, add our own default CFLAGS if no others specified +if test "$GCC" = "yes" && test "$iCFLAGS" = ""; then + CFLAGS="$CFLAGS -Wall -ffloat-store" +fi + +dnl Also add CADD to the CFLAGS at configure time or compile time +AC_SUBST(CADD) + +AC_MSG_CHECKING(what compiler options to use) +AC_MSG_RESULT($CFLAGS $CADD) + +dnl ---------------------------------------------------------------------- +dnl check if --with-libpotrace was given - this must be done +dnl before LT_INIT so that we can avoid building shared libraries +dnl when they are not going to be installed. + +AC_ARG_WITH(libpotrace, + AS_HELP_STRING([--with-libpotrace],[install Potrace library and headers [default=no]])) + +if test "$with_libpotrace" != yes; then + enable_shared=no +fi + +dnl ---------------------------------------------------------------------- +dnl Figure out how to build libraries + +AC_LIBTOOL_WIN32_DLL +LT_INIT + +dnl ---------------------------------------------------------------------- +dnl Figure out whether to install libraries (default: no) + +AC_MSG_CHECKING(whether to install the Potrace library) +if test "$with_libpotrace" = yes; then + AC_MSG_RESULT(yes) + INSTLIBS="libpotrace.la" + INSTHEADERS="potracelib.h" +else + AC_MSG_RESULT(no) +fi +AC_SUBST(INSTLIBS) +AC_SUBST(INSTHEADERS) + +dnl ---------------------------------------------------------------------- +dnl check for compiler bugs. + +dnl The GCC compiler used to have a loop optimization bug that affected +dnl potrace. This bug had been present since gcc-2.X and was still +dnl pending (as of gcc version 3.3.1). Since the presence of this bug +dnl cannot be reliably tested, and I am not sure in which version it was +dnl fixed, we simply assume (conservatively) that all gcc compilers may +dnl have this bug. In future: add a test that checks the compiler +dnl version. + +if test "$GCC" = "yes"; then + AC_MSG_CHECKING([whether gcc has bug number 12243]) + AC_DEFINE(HAVE_GCC_LOOP_BUG,, [Does the C compiler have gcc bug 12243?]) + AC_MSG_RESULT(maybe) +fi + +dnl ---------------------------------------------------------------------- +dnl check for features + +AC_MSG_CHECKING(whether to use zlib) +AC_ARG_ENABLE(zlib, + AS_HELP_STRING([--disable-zlib],[disable PostScript level 3 compression])) +if test "$enable_zlib" != no; then + AC_DEFINE(HAVE_ZLIB,, Do we have the zlib library?) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +dnl Set optional defaults +AC_MSG_CHECKING(whether to default to metric units) +AC_ARG_ENABLE(metric, + AS_HELP_STRING([--enable-metric],[use metric units (centimeters) as default])) +if test "$enable_metric" = yes; then + AC_DEFINE(USE_METRIC,, Use metric units by default?) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(whether to default to a4 paper size) +AC_ARG_ENABLE(a4, + AS_HELP_STRING([--enable-a4],[use a4 as the default papersize])) +if test "$enable_a4" = yes; then + AC_DEFINE(USE_A4,, Use a4 papersize by default?) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(whether to use the simplified progress bar) +AC_ARG_ENABLE(dumb-tty, + AS_HELP_STRING([--enable-dumb-tty], [use simplified ASCII-only progress bar])) +dumb_tty="$enable_dumb_tty" +if test -z "$dumb_tty"; then + AC_CANONICAL_HOST + if test "$host_os" = "mingw32"; then + dumb_tty="yes" + fi +fi +if test "$dumb_tty" = "yes"; then + AC_DEFINE(DUMB_TTY,, Use the simplified progress bar?) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +dnl ---------------------------------------------------------------------- +dnl Calculate value of "prefix", to aid guessing of include file and +dnl library locations. + +USERPREFIX="$prefix" +if test "$USERPREFIX" = "NONE"; then + USERPREFIX="$ac_default_prefix" +fi + +dnl ---------------------------------------------------------------------- +dnl Check for header files + +if test "$enable_zlib" != no; then + AC_CHECK_HEADER(zlib.h, true, + [AC_MSG_WARN([zlib.h not found in standard location. +Trying again with -I$USERPREFIX/include]) + CPPFLAGS="$CPPFLAGS -I$USERPREFIX/include" + dnl need to unset cached value to repeat the test + unset ac_cv_header_zlib_h + AC_CHECK_HEADER(zlib.h, true, + [AC_MSG_ERROR([cannot find zlib.h. +Rerun ./configure with CPPFLAGS=-I<include dir> if you have the header +file in a non-standard directory, or with --disable-zlib to disable +support for PostScript level 3 compression.]) + ]) + ]) +fi + +dnl ---------------------------------------------------------------------- +dnl Check for symbols +AC_CHECK_DECL(M_PI, , + AC_DEFINE(M_PI, 3.14159265358979323846, [Define if missing from math.h]), + [#include <math.h>]) + +dnl ---------------------------------------------------------------------- +dnl Check for libraries + +if test "$enable_zlib" != no; then + AC_CHECK_LIB(z, deflate, EXTRA_LIBS="$EXTRA_LIBS -lz", + [AC_MSG_WARN([libz library not found in standard location. +Trying again with -L$USERPREFIX/lib]) + LDFLAGS="$LDFLAGS -L$USERPREFIX/lib" + dnl need to unset cached value to repeat the test + unset ac_cv_lib_z_deflate + AC_CHECK_LIB(z, deflate, EXTRA_LIBS="$EXTRA_LIBS -lz", + [AC_MSG_ERROR([cannot find the libz library (-lz). +Rerun ./configure with LDFLAGS=-L<lib dir> if you have the library in +a non-standard directory, or with --disable-zlib to disable support +for PostScript level 3 compression.]) + ]) + ]) +fi + +AC_CHECK_LIB(m, floor, true, AC_MSG_ERROR([cannot find the m library (-lm)])) + +dnl ---------------------------------------------------------------------- +dnl Check for library functions. + +dnl Check for getopt_long +AC_CHECK_FUNC(getopt_long, have_getopt_long=yes, have_getopt_long=no) +if test "$have_getopt_long" = "yes"; then + dnl Check whether getopt_long reorders its arguments + AC_MSG_CHECKING([whether getopt_long reorders its arguments]) + AC_RUN_IFELSE([AC_LANG_PROGRAM( + [[ #include <getopt.h> + static struct option longopts[] = { + {"help", 0, 0, 'h'}, + {0, 0, 0, 0} + }; + ]], + [[ int ac = 3; + char *av[] = { "main", "file", "-h" }; + return 'h' == getopt_long(ac, av, "h", longopts, (int *)0) ? 0 : 1; + ]])], + [AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) + have_getopt_long=no], + [AC_MSG_RESULT(maybe (cross-compiling)) + have_getopt_long=no]) +fi +if test "$have_getopt_long" != "yes"; then + EXTRA_OBJS="$EXTRA_OBJS getopt.o getopt1.o" +fi + +AC_CHECK_FUNC(strcasecmp, , + [AC_CHECK_FUNC(stricmp, + [AC_DEFINE_UNQUOTED(strcasecmp, stricmp, [Replacement function for strcasecmp])], + [AC_MSG_ERROR([cannot find a replacement for strcasecmp])] + )] +) +AC_CHECK_FUNC(strncasecmp, , + [AC_CHECK_FUNC(strnicmp, + [AC_DEFINE_UNQUOTED(strncasecmp, strnicmp, [Replacement function for strncasecmp])], + [AC_MSG_ERROR([cannot find a replacement for strncasecmp])] + )] +) + +dnl ---------------------------------------------------------------------- +dnl Check whether we have i386 features +AC_MSG_CHECKING([for Intel 386]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int x; + asm("bsf %1,%0\njnz 0f\nmovl $32,%0\n0:":"=r"(x):"r"(x)); + return x; /* need this so that -O2 does not optimize the asm away */ +]])],[AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_I386,, Can we use Intel 386 optimizations?) +],[AC_MSG_RESULT(no)]) + + +dnl ---------------------------------------------------------------------- +dnl Check whether compiler supports inlining + +AC_C_INLINE + +dnl ---------------------------------------------------------------------- +dnl Set up substitutions of non-standard configuration parameters +AC_SUBST(DATE) +AC_SUBST(POTRACE) +AC_SUBST(MKBITMAP) +AC_SUBST(EXTRA_OBJS) +AC_SUBST(EXTRA_LIBS) +AC_SUBST(AM_CPPFLAGS) +AC_SUBST(POTRACELIB_VERSION) + +dnl ---------------------------------------------------------------------- +AC_CONFIG_FILES([Makefile + src/Makefile + doc/Makefile + check/Makefile + doc/potrace.1 + doc/mkbitmap.1 + ]) +AC_OUTPUT |