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1b6ce05903
fltk/configure.ac
Albrecht Schlosser 6fb92e441e Bump version numbers, prepare release 1.3.8
2021-11-05 18:50:55 +01:00

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dnl -*- sh -*-
dnl the "configure" script is made from this by running GNU "autoconf"
dnl
dnl Configuration script for the Fast Light Tool Kit (FLTK).
dnl
dnl Copyright 1998-2021 by Bill Spitzak and others.
dnl
dnl This library is free software. Distribution and use rights are outlined in
dnl the file "COPYING" which should have been included with this file. If this
dnl file is missing or damaged, see the license at:
dnl
dnl https://www.fltk.org/COPYING.php
dnl
dnl Please see the following page on how to report bugs and issues:
dnl
dnl https://www.fltk.org/bugs.php
dnl
dnl We need at least autoconf 2.50...
AC_PREREQ([2.50])
dnl Required file in package...
AC_INIT
AC_CONFIG_SRCDIR([src/Fl.cxx])
AC_CANONICAL_HOST
dnl Do not automatically add "-g" to compiler options...
dnl This must be _before_ "Find compiler commands..."
ARCHFLAGS="${ARCHFLAGS:=}"
CFLAGS="${CFLAGS:=}"
CPPFLAGS="${CPPFLAGS:=}"
CXXFLAGS="${CXXFLAGS:=}"
DSOFLAGS="${DSOFLAGS:=}"
LDFLAGS="${LDFLAGS:=}"
OPTIM="${OPTIM:=}"
dnl Find compiler commands...
AC_PROG_CC
AC_PROG_CXX
dnl So --with-archflags option is used during "checking size of long"
case $host_os in
darwin*)
if test "x$with_archflags" != x ; then
CFLAGS="$CFLAGS $with_archflags"
fi
;;
esac
dnl FLTK library versions...
FLTK_VERSION_MAJOR=1
FLTK_VERSION_MINOR=3
FLTK_VERSION_PATCH=8
FL_DSO_VERSION=${FLTK_VERSION_MAJOR}.${FLTK_VERSION_MINOR}
FL_ABI_VERSION=${FLTK_VERSION_MAJOR}.${FLTK_VERSION_MINOR}.0
FLTK_VERSION=${FLTK_VERSION_MAJOR}.${FLTK_VERSION_MINOR}.${FLTK_VERSION_PATCH}
AC_SUBST(FLTK_VERSION_MAJOR)
AC_SUBST(FLTK_VERSION_MINOR)
AC_SUBST(FLTK_VERSION_PATCH)
AC_SUBST(FL_DSO_VERSION)
AC_SUBST(FL_ABI_VERSION)
AC_SUBST(FLTK_VERSION)
AC_SUBST(ARCHFLAGS)
AC_SUBST(OPTIM)
dnl FLTK build options to be used in Makefiles (defined in makeinclude)
USEMMFILES="No"
dnl OS-specific pre-tests...
dnl host_os_gui equals $host_os unless we target Cygwin or Darwin in combination with X11.
host_os_gui=$host_os
case $host_os in
cygwin*)
# Handle Cygwin option *first*, before all other tests.
AC_ARG_ENABLE(cygwin, [ --enable-cygwin use the Cygwin libraries [[default=no]]])
AC_ARG_ENABLE(x11, [ --enable-x11 with Cygwin or Mac OS, use X11 [[default=no]]])
if test x$enable_cygwin = xyes; then
# we target Cygwin in combination with X11
if test x$enable_x11 = xyes; then
host_os_gui="X11$host_os"
fi
fi
;;
darwin*)
if test x$enable_x11 = xyes; then
host_os_gui="X11"
OPTIM="-U__APPLE__ -mmacosx-version-min=10.9 -D_LIBCPP_HAS_THREAD_API_PTHREAD $OPTIM"
fi
;;
*)
;;
esac
dnl Define the libraries and link options we will need.
LINKFLTK="../lib/libfltk.a"
LINKFLTKFORMS="../lib/libfltk_forms.a"
LINKFLTKGL="../lib/libfltk_gl.a"
LINKFLTKIMG="../lib/libfltk_images.a"
GLDEMOS="gldemos"
LIBEXT=".a"
LIBNAME="../lib/libfltk.a"
FLLIBNAME="../lib/libfltk_forms.a"
GLLIBNAME="../lib/libfltk_gl.a"
IMGLIBNAME="../lib/libfltk_images.a"
CAIROLIBNAME="../lib/libfltk_cairo.a"
LIBBASENAME="libfltk.a"
FLLIBBASENAME="libfltk_forms.a"
GLLIBBASENAME="libfltk_gl.a"
IMGLIBBASENAME="libfltk_images.a"
CAIROLIBBASENAME="libfltk_cairo.a"
dnl Check for Cairo library unless disabled...
CAIRODIR=""
CAIROFLAGS=""
LINKFLTKCAIRO=""
FLTKCAIROOPTION=""
CAIROLIBS=""
AC_ARG_ENABLE(cairoext,[ --enable-cairoext use fltk code instrumentation for cairo extended use [[default=no]]])
AC_ARG_ENABLE(cairo, [ --enable-cairo use lib Cairo [[default=no]]])
if test x$enable_cairoext = xyes; then
AC_DEFINE(FLTK_USE_CAIRO)
AC_DEFINE(FLTK_HAVE_CAIRO)
dnl FIXME This part should be fixed so configure do not depend on
dnl we do not rely on pkg-config .
CAIRODIR="cairo"
CAIROFLAGS="`pkg-config --cflags cairo`"
CAIROLIBS="-lcairo -lpixman-1"
CXXFLAGS="$CAIROFLAGS $CXXFLAGS"
LINKFLTKCAIRO="../lib/libfltk_cairo.a"
FLTKCAIROOPTION="-L ../cairo -lfltk_cairo$SHAREDSUFFIX"
LIBS="$CAIROLIBS $LIBS"
dnl $LINKFLTKCAIRO
LINKFLTK+=" $LINKFLTKCAIRO"
else
if test x$enable_cairo = xyes; then
AC_DEFINE(FLTK_HAVE_CAIRO)
dnl FIXME This part should be fixed so configure do not depend on
dnl we do not rely on pkg-config .
CAIRODIR="cairo"
CAIROFLAGS="`pkg-config --cflags cairo`"
CAIROLIBS="-lcairo -lpixman-1"
CXXFLAGS="$CAIROFLAGS $CXXFLAGS"
LINKFLTKCAIRO="../lib/libfltk_cairo.a"
FLTKCAIROOPTION="-L ../cairo -lfltk_cairo$SHAREDSUFFIX"
fi
fi
AC_SUBST(CAIRODIR)
AC_SUBST(CAIROFLAGS)
AC_SUBST(CAIROLIBS)
AC_SUBST(LINKFLTKCAIRO)
AC_SUBST(FLTKCAIROOPTION)
AC_SUBST(FLLIBNAME)
AC_SUBST(GLDEMOS)
AC_SUBST(GLLIBNAME)
AC_SUBST(IMGLIBNAME)
AC_SUBST(CAIROLIBNAME)
AC_SUBST(LIBEXT)
AC_SUBST(LIBNAME)
AC_SUBST(LINKFLTK)
AC_SUBST(LINKFLTKFORMS)
AC_SUBST(LINKFLTKGL)
AC_SUBST(LINKFLTKIMG)
AC_SUBST(LIBBASENAME)
AC_SUBST(FLLIBBASENAME)
AC_SUBST(GLLIBBASENAME)
AC_SUBST(IMGLIBBASENAME)
AC_SUBST(CAIROLIBBASENAME)
has_abiversion=""
AC_ARG_WITH(abiversion,
[ --with-abiversion Build with FL_ABI_VERSION, e.g. 10304 for FLTK 1.3.4])
has_abiversion="$with_abiversion"
if test "$has_abiversion" = "yes" ; then
has_abiversion=""
else
if test "$has_abiversion" = "no" ; then
has_abiversion=""
fi
fi
if test ! "$has_abiversion" = "" ; then
AC_DEFINE_UNQUOTED(FL_ABI_VERSION, [$has_abiversion], [define to FL_ABI_VERSION])
fi
dnl Handle compile-time options...
AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging [[default=no]]])
if test x$enable_debug = xyes; then
DEBUGFLAG="-g "
else
DEBUGFLAG=""
fi
AC_ARG_ENABLE(cp936, [ --enable-cp936 turn on CP936 [[default=no]]])
if test x$enable_cp936 = xyes; then
CFLAGS="$CFLAGS -DCP936"
fi
AC_ARG_ENABLE(gl, [ --enable-gl turn on OpenGL support [[default=yes]]])
AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries [[default=no]]])
if test x$enable_shared = xyes; then
PICFLAG=1
SHAREDSUFFIX=""
FLUID="fluid-shared"
case $host_os in
darwin*)
DSONAME="libfltk.$FL_DSO_VERSION.dylib"
FLDSONAME="libfltk_forms.$FL_DSO_VERSION.dylib"
GLDSONAME="libfltk_gl.$FL_DSO_VERSION.dylib"
IMGDSONAME="libfltk_images.$FL_DSO_VERSION.dylib"
CAIRODSONAME="libfltk_cairo.$FL_DSO_VERSION.dylib"
DSOCOMMAND="\$(CXX) \$(ARCHFLAGS) \$(DSOFLAGS) -dynamiclib -lc -o"
;;
solaris*)
DSONAME="libfltk.so.$FL_DSO_VERSION"
FLDSONAME="libfltk_forms.so.$FL_DSO_VERSION"
GLDSONAME="libfltk_gl.so.$FL_DSO_VERSION"
IMGDSONAME="libfltk_images.so.$FL_DSO_VERSION"
CAIRODSONAME="libfltk_cairo.so.$FL_DSO_VERSION"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -h \$@ \$(LDLIBS) -G $DEBUGFLAG -o"
if test "x$libdir" != "x/usr/lib"; then
DSOLINK="-R$libdir"
fi
;;
hpux*)
DSONAME="libfltk.sl.$FL_DSO_VERSION"
FLDSONAME="libfltk_forms.sl.$FL_DSO_VERSION"
GLDSONAME="libfltk_gl.sl.$FL_DSO_VERSION"
IMGDSONAME="libfltk_images.sl.$FL_DSO_VERSION"
CAIRODSONAME="libfltk_cairo.sl.$FL_DSO_VERSION"
DSOCOMMAND="ld \$(DSOFLAGS) -b -z +h \$@ $DEBUGFLAG -o"
if test "x$libdir" != "x/usr/lib"; then
DSOLINK="-Wl,-rpath,$libdir"
fi
;;
irix*)
DSONAME="libfltk.so.$FL_DSO_VERSION"
FLDSONAME="libfltk_forms.so.$FL_DSO_VERSION"
GLDSONAME="libfltk_gl.so.$FL_DSO_VERSION"
IMGDSONAME="libfltk_images.so.$FL_DSO_VERSION"
CAIRODSONAME="libfltk_cairo.so.$FL_DSO_VERSION"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-soname,\$@,-set_version,sgi1.1 \$(LDLIBS) -shared $DEBUGFLAG -o"
if test "x$libdir" != "x/usr/lib" -a "x$libdir" != "x/usr/lib32" -a "x$libdir" != "x/usr/lib64"; then
DSOLINK="-Wl,-rpath,$libdir"
fi
;;
osf*)
DSONAME="libfltk.so.$FL_DSO_VERSION"
FLDSONAME="libfltk_forms.so.$FL_DSO_VERSION"
GLDSONAME="libfltk_gl.so.$FL_DSO_VERSION"
IMGDSONAME="libfltk_images.so.$FL_DSO_VERSION"
CAIRODSONAME="libfltk_cairo.so.$FL_DSO_VERSION"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-soname,\$@ \$(LDLIBS) -shared $DEBUGFLAG -o"
if test "x$libdir" != "x/usr/lib" -a "x$libdir" != "x/usr/lib32"; then
DSOLINK="-Wl,-rpath,$libdir"
fi
;;
linux* | *bsd*)
DSONAME="libfltk.so.$FL_DSO_VERSION"
FLDSONAME="libfltk_forms.so.$FL_DSO_VERSION"
GLDSONAME="libfltk_gl.so.$FL_DSO_VERSION"
IMGDSONAME="libfltk_images.so.$FL_DSO_VERSION"
CAIRODSONAME="libfltk_cairo.so.$FL_DSO_VERSION"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-soname,\$@ \$(LDLIBS) -shared -fPIC $DEBUGFLAG -o"
# See if the compiler supports -fvisibility...
AC_CACHE_CHECK([if the compiler supports -fvisibility],
ac_cv_cxx_fvisibility, [
OLDCXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[ac_cv_cxx_fvisibility=yes],
[ac_cv_cxx_fvisibility=no])
CXXFLAGS="$OLDCXXFLAGS"
AC_LANG_POP([])
])
if test x"$ac_cv_cxx_fvisibility" = xyes; then
OPTIM="$OPTIM -fvisibility=hidden"
fi
# See if the compiler supports -fvisibility-inlines-hidden...
AC_CACHE_CHECK([if the compiler supports -fvisibility-inlines-hidden],
ac_cv_cxx_fvisibility_inlines, [
OLDCXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[ac_cv_cxx_fvisibility_inlines=yes],
[ac_cv_cxx_fvisibility_inlines=no])
CXXFLAGS="$OLDCXXFLAGS"
AC_LANG_POP([])
])
if test x"$ac_cv_cxx_fvisibility_inlines" = xyes; then
CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
fi
if test "x$libdir" != "x/usr/lib" -a "x$libdir" != "x/usr/lib64"; then
DSOLINK="-Wl,-rpath,$libdir"
fi
;;
aix*)
DSONAME="libfltk_s.a"
FLDSONAME="libfltk_forms_s.a"
GLDSONAME="libfltk_gl_s.a"
IMGDSONAME="libfltk_images_s.a"
CAIRODSONAME="libfltk_cairo_s.a"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-bexpall,-bM:SRE,-bnoentry -o"
SHAREDSUFFIX="_s"
;;
cygwin* | mingw*)
PICFLAG=0
if test x$enable_cygwin != xyes; then
DSONAME="mgwfltknox-$FL_DSO_VERSION.dll"
FLDSONAME="mgwfltknox_forms-$FL_DSO_VERSION.dll"
GLDSONAME="mgwfltknox_gl-$FL_DSO_VERSION.dll"
IMGDSONAME="mgwfltknox_images-$FL_DSO_VERSION.dll"
CAIRODSONAME="mgwfltknox_cairo-$FL_DSO_VERSION.dll"
else
if test x$enable_x11 = xyes; then
DSONAME="cygfltk-$FL_DSO_VERSION.dll"
FLDSONAME="cygfltk_forms-$FL_DSO_VERSION.dll"
GLDSONAME="cygfltk_gl-$FL_DSO_VERSION.dll"
IMGDSONAME="cygfltk_images-$FL_DSO_VERSION.dll"
CAIRODSONAME="cygfltk_cairo-$FL_DSO_VERSION.dll"
else
DSONAME="cygfltknox-$FL_DSO_VERSION.dll"
FLDSONAME="cygfltknox_forms-$FL_DSO_VERSION.dll"
GLDSONAME="cygfltknox_gl-$FL_DSO_VERSION.dll"
IMGDSONAME="cygfltknox_images-$FL_DSO_VERSION.dll"
CAIRODSONAME="cygfltknox_cairo-$FL_DSO_VERSION.dll"
fi
fi
#-----------------------------------------------------------
# -Wl,--enable-runtime-pseudo-reloc: See str 1585
# appears to be necessary for older binutils versions < 2.16
#-----------------------------------------------------------
LDFLAGS="$LDFLAGS -Wl,--enable-auto-import -Wl,--enable-runtime-pseudo-reloc"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -shared \
-Wl,--whole-archive -Wl,--export-all-symbols \
-Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-import \
-Wl,--enable-auto-image-base -o \$@"
;;
*)
AC_MSG_WARN([Shared libraries may not be supported. Trying -shared option with compiler.])
DSONAME="libfltk.so.$FL_DSO_VERSION"
FLDSONAME="libfltk_forms.so.$FL_DSO_VERSION"
GLDSONAME="libfltk_gl.so.$FL_DSO_VERSION"
IMGDSONAME="libfltk_images.so.$FL_DSO_VERSION"
CAIRODSONAME="libfltk_cairo.so.$FL_DSO_VERSION"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-soname,\$@ \$(LDLIBS) -shared $DEBUGFLAG -o"
;;
esac
LINKSHARED="-L../src $FLTKCAIROOPTION -lfltk_images$SHAREDSUFFIX -lfltk_forms$SHAREDSUFFIX -lfltk$SHAREDSUFFIX"
else
DSOCOMMAND="echo"
DSOLINK=""
DSONAME=""
FLDSONAME=""
GLDSONAME=""
IMGDSONAME=""
CAIRODSONAME=""
PICFLAG=0
SHAREDSUFFIX=""
FLUID="fluid"
LINKSHARED="$LINKFLTKCAIRO ../lib/libfltk_images.a ../lib/libfltk_forms.a ../lib/libfltk.a"
fi
dnl Define the fluid executable used when building the test programs.
dnl In a native build we use the fluid executable created during the build,
dnl in a cross-compilation we use `fluid' which must exist on the build system
dnl and must be in the PATH, i.e. executable as 'fluid' (w/o $EXEEXT).
if test "$fltk_cross_compiling" = "yes"; then
FLUID_BUILD="fluid"
else
FLUID_BUILD="../fluid/fluid$EXEEXT"
fi
AC_SUBST(DSOCOMMAND)
AC_SUBST(DSOFLAGS)
AC_SUBST(DSOLINK)
AC_SUBST(DSONAME)
AC_SUBST(FLDSONAME)
AC_SUBST(GLDSONAME)
AC_SUBST(IMGDSONAME)
AC_SUBST(CAIRODSONAME)
AC_SUBST(SHAREDSUFFIX)
AC_SUBST(LINKSHARED)
AC_SUBST(FLUID)
AC_SUBST(FLUID_BUILD)
AC_ARG_ENABLE(threads, [ --enable-threads enable multi-threading support [[default=yes]]])
AC_ARG_WITH(optim, [ --with-optim="flags" use custom optimization flags])
AC_ARG_WITH(archflags, [ --with-archflags="flags"
use custom architecture flags
(possible Mac OS X values include -arch i386, -arch x86_64, -arch ppc)],
ARCHFLAGS="$withval")
dnl Find commands...
AC_PROG_INSTALL
case $host_os in
osf*)
INSTALL="`pwd`/install-sh -c"
;;
esac
if test "$INSTALL" = "$ac_install_sh"; then
# Use full path to install-sh script...
INSTALL="`pwd`/install-sh -c"
fi
AC_PATH_PROG(NROFF,nroff)
if test "x$NROFF" = "x:"; then
# Try groff instead of nroff...
AC_PATH_PROG(GROFF,groff)
if test "x$GROFF" = "x:"; then
NROFF="echo"
else
NROFF="$GROFF -T ascii"
fi
fi
AC_PATH_PROG(DOXYDOC,doxygen)
dnl How do we make libraries?
AC_PROG_RANLIB
AC_PATH_TOOL(AR, ar)
if test "x$AR" = "x:"; then
AC_MSG_ERROR([Configure could not find the library archiver, aborting.])
fi
if test "x$RANLIB" != "x:"; then
LIBCOMMAND="$AR cr"
else
LIBCOMMAND="$AR crs"
fi
AC_SUBST(LIBCOMMAND)
dnl how to compile (Windows) resource files
dnl this will only be used to compile resources for Windows .exe files
AC_PATH_TOOL(RC,windres)
dnl Architecture checks...
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
if test $ac_cv_sizeof_short -eq 2; then
AC_DEFINE(U16,unsigned short)
fi
if test $ac_cv_sizeof_int -eq 4; then
AC_DEFINE(U32,unsigned)
else
if test $ac_cv_sizeof_long -eq 4; then
AC_DEFINE(U32,unsigned long)
fi
fi
case $host_os in
darwin*)
;;
*)
AC_C_BIGENDIAN
if test $ac_cv_sizeof_int -eq 8; then
AC_DEFINE(U64,unsigned)
else
if test $ac_cv_sizeof_long -eq 8; then
AC_DEFINE(U64,unsigned long)
fi
fi
;;
esac
dnl Does the C++ compiler support the bool type?
AC_CACHE_CHECK(whether the compiler recognizes bool as a built-in type,
ac_cv_cxx_bool,[
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
int f(int x){return 1;}
int f(char x){return 1;}
int f(bool x){return 1;}
]], [[
bool b = true;
return f(b);
]])],
[ac_cv_cxx_bool=yes],
[ac_cv_cxx_bool=no])
AC_LANG_POP([])
])
if test "$ac_cv_cxx_bool" != yes; then
CXXFLAGS="-Dbool=char -Dfalse=0 -Dtrue=1 $CXXFLAGS"
fi
dnl Standard headers and functions...
AC_HEADER_DIRENT
AC_CHECK_HEADERS([sys/select.h sys/stdtypes.h])
dnl Do we have the POSIX compatible scandir() prototype?
AC_CACHE_CHECK([whether we have the POSIX compatible scandir() prototype],
ac_cv_cxx_scandir_posix,[
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <dirent.h>
int func (const char *d, dirent ***list, void *sort) {
int n = scandir(d, list, 0, (int(*)(const dirent **, const dirent **))sort);
return n;
}
]], [[
]])],
[ac_cv_cxx_scandir_posix=yes],
[ac_cv_cxx_scandir_posix=no])
AC_LANG_POP([])
])
dnl Define both HAVE_SCANDIR... macros, if the POSIX compatible function is
dnl available. Otherwise: check, whether any scandir prototype is available,
dnl but dont use it on SunOS and QNX because of an incompatibility in pre-Y2K
dnl SunOS scandir versions. We assume, though, that the POSIX compatible
dnl version on newer SunOS/Solaris versions works as expected.
if test "$ac_cv_cxx_scandir_posix" = yes; then
AC_DEFINE(HAVE_SCANDIR)
AC_DEFINE(HAVE_SCANDIR_POSIX)
else
AC_CHECK_FUNC(scandir,[
case $host_os in
solaris* | *qnx*)
AC_MSG_WARN([Not using $host_os scandir emulation function.])
;;
*)
AC_DEFINE(HAVE_SCANDIR)
;;
esac])
fi
AC_CHECK_FUNC(vsnprintf,[
case $host_os in
hpux1020)
AC_MSG_WARN([Not using built-in vsnprintf function because you are running HP-UX 10.20.])
;;
osf4)
AC_MSG_WARN([Not using built-in vsnprintf function because you are running Tru64 4.0.])
;;
*)
AC_DEFINE(HAVE_VSNPRINTF)
;;
esac])
AC_CHECK_FUNC(snprintf,[
case $host_os in
hpux1020)
AC_MSG_WARN([Not using built-in snprintf function because you are running HP-UX 10.20.])
;;
osf4)
AC_MSG_WARN([Not using built-in snprintf function because you are running Tru64 4.0.])
;;
*)
AC_DEFINE(HAVE_SNPRINTF)
;;
esac])
AC_CHECK_HEADERS(strings.h)
AC_CHECK_FUNCS(strcasecmp strlcat strlcpy)
AC_CHECK_HEADERS(locale.h)
AC_CHECK_FUNCS(localeconv)
dnl FLTK library uses math library functions...
AC_SEARCH_LIBS(pow, m)
dnl Check for largefile support...
AC_SYS_LARGEFILE
dnl Define largefile options as needed...
LARGEFILE=""
if test x$enable_largefile != xno; then
LARGEFILE="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE"
if test x$ac_cv_sys_large_files = x1; then
LARGEFILE="$LARGEFILE -D_LARGE_FILES"
fi
if test x$ac_cv_sys_file_offset_bits = x64; then
LARGEFILE="$LARGEFILE -D_FILE_OFFSET_BITS=64"
fi
fi
AC_SUBST(LARGEFILE)
dnl Check for "long long" support...
AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
[if test "$GCC" = yes; then
ac_cv_c_long_long=yes
else
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]],
[[long long int i;]])],
[ac_cv_c_long_long=yes],
[ac_cv_c_long_long=no])
fi])
if test $ac_cv_c_long_long = yes; then
AC_DEFINE(HAVE_LONG_LONG)
fi
dnl Check for dlopen/dlsym...
AC_SEARCH_LIBS(dlsym, dl, AC_DEFINE(HAVE_DLSYM))
AC_CHECK_HEADER(dlfcn.h, AC_DEFINE(HAVE_DLFCN_H))
dnl Check for audio libraries...
AUDIOLIBS=""
case $host_os in
cygwin* | mingw*)
dnl Cygwin environment...
AUDIOLIBS="-lwinmm"
;;
darwin*)
AUDIOLIBS="-framework CoreAudio"
;;
*)
AC_CHECK_HEADER(alsa/asoundlib.h,
AC_DEFINE(HAVE_ALSA_ASOUNDLIB_H)
AUDIOLIBS="-lasound")
;;
esac
AC_SUBST(AUDIOLIBS)
dnl Check for image libraries...
SAVELIBS="$LIBS"
IMAGELIBS=""
STATICIMAGELIBS=""
AC_SUBST(IMAGELIBS)
AC_SUBST(STATICIMAGELIBS)
# Handle the JPEG lib linking mode (use fltk local or system lib)
# If --enable-(resp. --disable-)localjpeg parameter is not set by user
# Then we check the JPEG lib usability, with result in sysjpeglib_ok variable
AC_ARG_ENABLE(localjpeg, [ --enable-localjpeg use local JPEG library [[default=auto]]])
# Check for System lib use if automatic mode or --disable-localjpeg is requested
sysjpeglib_ok=no
sysjpeginc_ok=no
if test x$enable_localjpeg != xyes; then
AC_CHECK_LIB(jpeg,jpeg_CreateCompress,
[AC_CHECK_HEADER(jpeglib.h,
sysjpeginc_ok=yes)
if test x$sysjpeginc_ok = xyes; then
sysjpeglib_ok=yes
fi])
fi
# Now set the jpeg lib and include flags according to the requested mode and availability
if test x$enable_localjpeg = xyes -o x$sysjpeglib_ok = xno; then
JPEGINC="-I../jpeg"
JPEG="jpeg"
IMAGELIBS="-lfltk_jpeg $IMAGELIBS"
STATICIMAGELIBS="\$libdir/libfltk_jpeg.a $STATICIMAGELIBS"
AC_DEFINE(HAVE_LIBJPEG)
#ac_cv_lib_jpeg_jpeg_CreateCompress=no # from ima: should not be necessary
# Finally, warn user if system lib was requested but not found
if test x$enable_localjpeg = xno; then
AC_MSG_WARN([Cannot find system jpeg lib or header: choosing the local lib mode.])
fi
else
JPEGINC=""
JPEG=""
IMAGELIBS="-ljpeg $IMAGELIBS"
STATICIMAGELIBS="-ljpeg $STATICIMAGELIBS"
AC_DEFINE(HAVE_LIBJPEG)
fi
# Handle the ZLIB lib linking mode (use fltk local or system lib)
# If --enable-(resp. --disable-)localzlib parameter is not set by user
# Then we check the ZLIB lib usability, with result in syszlib_ok variable
AC_ARG_ENABLE(localzlib, [ --enable-localzlib use local ZLIB library [[default=auto]]])
# Check for System lib use if automatic mode or --disable-localzlib is requested
syszlib_ok=no
syszinc_ok=no
if test x$enable_localzlib != xyes; then
AC_CHECK_LIB(z,gzgets,
[AC_CHECK_HEADER(zlib.h,
syszinc_ok=yes)
if test x$syszinc_ok = xyes; then
syszlib_ok=yes
fi])
fi
# Now set the Z lib and include flags according to the requested mode and availability
if test x$enable_localzlib = xyes -o x$syszlib_ok = xno ; then
ZLIBINC="-I../zlib"
ZLIB="zlib"
LIBS="-lfltk_z $LIBS"
IMAGELIBS="-lfltk_z $IMAGELIBS"
STATICIMAGELIBS="\$libdir/libfltk_z.a $STATICIMAGELIBS"
AC_DEFINE(HAVE_LIBZ)
ac_cv_lib_z_gzgets=no # fc: is still necessary ?
# Finally, warn user if system lib was requested but not found
if test x$enable_localzlib = xno; then
AC_MSG_WARN([Cannot find system z lib or header: choosing the local lib mode.])
fi
else
ZLIBINC=""
ZLIB=""
LIBS="-lz $LIBS"
IMAGELIBS="-lz $IMAGELIBS"
STATICIMAGELIBS="-lz $STATICIMAGELIBS"
AC_DEFINE(HAVE_LIBZ)
fi
# Handle the PNG lib linking mode (use fltk local or system lib)
# If --enable-(resp. --disable-)localpng parameter is not set by user
# Then we check the png lib usability with result in syspng_lib variable
AC_ARG_ENABLE(localpng, [ --enable-localpng use local PNG library [[default=auto]]])
# Now check if system lib is usable, we check Lib AND include availability with inc variant,
# but only, if the builtin lib is not requested
syspnglib_ok=no
syspnginc_ok=no
if test x$enable_localpng != xyes; then
AC_CHECK_LIB(png, png_read_info,
[AC_CHECK_HEADER(png.h,
AC_DEFINE(HAVE_PNG_H)
syspnginc_ok=yes)
AC_CHECK_HEADER(libpng/png.h,
AC_DEFINE(HAVE_LIBPNG_PNG_H)
syspnginc_ok=yes)
if test x$syspnginc_ok = xyes; then
syspnglib_ok=yes
fi])
fi
# The following is executed if the lib was not found usable or if local lib is required explicitly
if test x$enable_localpng = xyes -o x$syspnglib_ok = xno ; then
PNGINC="-I../png"
PNG="png"
IMAGELIBS="-lfltk_png $IMAGELIBS"
STATICIMAGELIBS="\$libdir/libfltk_png.a $STATICIMAGELIBS"
AC_DEFINE(HAVE_LIBPNG)
AC_DEFINE(HAVE_PNG_H)
AC_DEFINE(HAVE_PNG_GET_VALID)
AC_DEFINE(HAVE_PNG_SET_TRNS_TO_ALPHA)
# Finally, warn user if system lib was requested but not found
if test x$enable_localpng = xno; then
AC_MSG_WARN([Cannot find system png lib or header: choosing the local lib mode.])
fi
else
PNGINC=""
PNG=""
IMAGELIBS="-lpng $IMAGELIBS"
STATICIMAGELIBS="-lpng $STATICIMAGELIBS"
AC_DEFINE(HAVE_LIBPNG)
AC_CHECK_LIB(png,png_get_valid, AC_DEFINE(HAVE_PNG_GET_VALID))
AC_CHECK_LIB(png,png_set_tRNS_to_alpha, AC_DEFINE(HAVE_PNG_SET_TRNS_TO_ALPHA))
fi
AC_SUBST(JPEG)
AC_SUBST(JPEGINC)
AC_SUBST(PNG)
AC_SUBST(PNGINC)
AC_SUBST(ZLIB)
AC_SUBST(ZLIBINC)
dnl Restore original LIBS settings...
LIBS="$SAVELIBS"
dnl See if we need a .exe extension on executables...
AC_EXEEXT
dnl Check for pthreads for multi-threaded apps...
have_pthread=no
PTHREAD_FLAGS=""
dnl Test whether we want to check for pthreads. We must not do it on Windows
dnl unless we run under Cygwin with --enable-cygwin, since we always use
dnl native threads on Windows (even if libpthread is available)
check_pthread=yes
case $host_os in
mingw*)
check_pthread=no
;;
cygwin*)
if test "x$enable_cygwin" != xyes; then
check_pthread=no
fi
;;
*)
;;
esac
if test "x$enable_threads" != xno -a x$check_pthread = xyes; then
AC_CHECK_HEADERS(pthread.h)
if test x$ac_cv_header_pthread_h = xyes; then
dnl Check various threading options for the platforms we support
for flag in -lpthreads -lpthread -pthread; do
AC_MSG_CHECKING([for pthread_create using $flag])
SAVELIBS="$LIBS"
LIBS="$flag $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>]],
[[pthread_create(0, 0, 0, 0);]])],
[have_pthread=yes],
[LIBS="$SAVELIBS"])
AC_MSG_RESULT([$have_pthread])
if test $have_pthread = yes; then
AC_DEFINE(HAVE_PTHREAD)
PTHREAD_FLAGS="-D_THREAD_SAFE -D_REENTRANT"
# Solaris requires -D_POSIX_PTHREAD_SEMANTICS to
# be POSIX-compliant... :(
case $host_os in
solaris*)
PTHREAD_FLAGS="$PTHREAD_FLAGS -D_POSIX_PTHREAD_SEMANTICS"
;;
esac
break
fi
done
fi
fi
AC_SUBST(PTHREAD_FLAGS)
dnl Define OS-specific stuff...
HLINKS=
OSX_ONLY=:
THREADS=
AC_ARG_WITH(links, [ --with-links make header links for common misspellings [[default=no]]])
INSTALL_DESKTOP=""
UNINSTALL_DESKTOP=""
case $host_os_gui in
cygwin* | mingw*)
dnl Cygwin environment, using windows GDI ...
# Recent versions of Cygwin are seriously broken and the size
# checks don't work because the shell puts out \r\n instead of
# \n. Here we just force U32 to be defined to "unsigned"...
AC_DEFINE(U32,unsigned)
CFLAGS="-mwindows -DWIN32 -DUSE_OPENGL32 $CFLAGS"
CXXFLAGS="-mwindows -DWIN32 -DUSE_OPENGL32 $CXXFLAGS"
LDFLAGS="-mwindows $LDFLAGS"
DSOFLAGS="-mwindows $DSOFLAGS"
LIBS="$LIBS -lole32 -luuid -lcomctl32"
if test "x$with_optim" = x; then
dnl Avoid -Os optimization on Cygwin/MinGW
with_optim="-O3"
fi
if test x$enable_gl != xno; then
AC_CHECK_HEADER(GL/gl.h,
AC_DEFINE(HAVE_GL)
GLLIBS="-lopengl32")
AC_CHECK_HEADER(GL/glu.h,
AC_DEFINE(HAVE_GL_GLU_H)
GLLIBS="-lglu32 $GLLIBS")
else
LINKFLTKGL=""
GLLIBNAME=""
GLDSONAME=""
GLDEMOS=""
fi
if test "x$enable_threads" != xno; then
if test x$have_pthread = xyes; then
AC_DEFINE(HAVE_PTHREAD)
fi
fi
THREADS="threads$EXEEXT"
# Don't make symlinks since Windows is not case sensitive.
if test "x$with_links" != xyes; then
HLINKS="#"
fi
;;
darwin*)
AC_DEFINE(__APPLE_QUARTZ__)
USEMMFILES="Yes"
# MacOS X uses Cocoa for graphics.
LIBS="$LIBS -framework Cocoa"
if test x$have_pthread = xyes; then
AC_DEFINE(HAVE_PTHREAD)
THREADS="threads$EXEEXT"
fi
if test x$enable_gl != xno; then
AC_DEFINE(HAVE_GL)
AC_DEFINE(HAVE_GL_GLU_H)
GLLIBS="-framework OpenGL"
else
LINKFLTKGL=""
GLLIBNAME=""
GLDSONAME=""
GLDEMOS=""
fi
# Don't make symlinks because HFS+ is not case sensitive...
if test "x$with_links" != xyes; then
HLINKS="#"
fi
# Some steps are only done for OS X package management
OSX_ONLY=
# Install/Uninstall FLUID application
INSTALL_DESKTOP="install-osx"
UNINSTALL_DESKTOP="uninstall-osx"
;;
*)
# All others are UNIX/X11...
# This includes Cygwin target combined with X11
if test x$have_pthread = xyes; then
AC_DEFINE(HAVE_PTHREAD)
THREADS="threads$EXEEXT"
fi
dnl Check for X11...
AC_PATH_XTRA
if test x$no_x = xyes; then
AC_MSG_ERROR([Configure could not find required X11 libraries, aborting.])
fi
if test "x$X_PRE_LIBS" != x; then
AC_MSG_WARN([Ignoring libraries "$X_PRE_LIBS" requested by configure.])
fi
LIBS="$LIBS -lX11 $X_EXTRA_LIBS"
CFLAGS="$CFLAGS $X_CFLAGS"
CXXFLAGS="$CXXFLAGS $X_CFLAGS"
LDFLAGS="$X_LIBS $LDFLAGS"
DSOFLAGS="$X_LIBS $DSOFLAGS"
AC_DEFINE(USE_X11)
if test "x$x_includes" != x; then
ac_cpp="$ac_cpp -I$x_includes"
fi
dnl Check for OpenGL unless disabled...
GLLIBS=
if test x$enable_gl != xno; then
AC_SEARCH_LIBS(dlopen, dl)
AC_CHECK_HEADER(GL/gl.h,
AC_CHECK_LIB(GL, glXMakeCurrent,
[AC_DEFINE(HAVE_GL)
GLLIBS="-lGL"],
AC_CHECK_LIB(MesaGL, glXMakeCurrent,
[AC_DEFINE(HAVE_GL)
GLLIBS="-lMesaGL"],,
[-lm]),
[-lm])
AC_CHECK_LIB(GL, glXGetProcAddressARB,
AC_DEFINE(HAVE_GLXGETPROCADDRESSARB),, [-lm])
)
AC_CHECK_HEADER(GL/glu.h,
AC_DEFINE(HAVE_GL_GLU_H)
if test x$ac_cv_lib_GL_glXMakeCurrent = xyes; then
GLLIBS="-lGLU $GLLIBS"
fi
if test x$ac_cv_lib_MesaGL_glXMakeCurrent = xyes; then
GLLIBS="-lMesaGLU $GLLIBS"
fi
)
if test x$ac_cv_lib_GL_glXMakeCurrent != xyes -a x$ac_cv_lib_MesaGL_glXMakeCurrent != xyes; then
LINKFLTKGL=""
GLLIBNAME=""
GLDSONAME=""
GLDEMOS=""
fi
else
LINKFLTKGL=""
GLLIBNAME=""
GLDSONAME=""
GLDEMOS=""
fi
dnl Check for Xinerama support unless disabled...
AC_ARG_ENABLE(xinerama, [ --enable-xinerama turn on Xinerama support [[default=yes]]])
xinerama_found=no
if test x$enable_xinerama != xno; then
AC_CHECK_LIB(Xinerama, XineramaIsActive,
[AC_DEFINE(HAVE_XINERAMA)
LIBS="-lXinerama $LIBS"
xinerama_found=yes])
fi
dnl Check for the Xft library unless disabled...
AC_ARG_ENABLE(xft, [ --enable-xft turn on Xft support [[default=yes]]])
xft_found=no
if test x$enable_xft != xno; then
# Try pkg-config first (freetype2 deprecated freetype-config from some version on)
AC_PATH_PROG(PKGCONFIG, pkg-config)
FT_FLAGS=""
if test "x$PKGCONFIG" != x; then
FT_FLAGS="`$PKGCONFIG --cflags xft`"
if test "x$FT_FLAGS" = x; then
FT_FLAGS="`$PKGCONFIG --cflags freetype2`"
fi
fi
# if that failed, try freetype-config
if test "x$FT_FLAGS" = x; then
AC_PATH_PROG(FTCONFIG, freetype-config)
if test "x$FTCONFIG" != x; then
FT_FLAGS="`$FTCONFIG --cflags`"
else
# abort if both methods failed
AC_MSG_NOTICE([please install pkg-config or use 'configure --disable-xft'.])
AC_MSG_ERROR([Aborting.])
fi
fi
CPPFLAGS="$FT_FLAGS $CPPFLAGS"
CXXFLAGS="$FT_FLAGS $CXXFLAGS"
CFLAGS="$FT_FLAGS $CFLAGS"
AC_CHECK_LIB(fontconfig, FcPatternCreate)
AC_CHECK_HEADER(X11/Xft/Xft.h,
AC_CHECK_LIB(Xft, XftDrawCreate,
[AC_DEFINE(USE_XFT)
LIBS="-lXft $LIBS"
xft_found=yes] ))
fi
dnl Issue a warning message if Xft was not found, abort configure
dnl if Xft was requested explicitly (but not found)
if test x$enable_xft != xno -a x$xft_found != xyes; then
AC_MSG_WARN([could not find the required Xft headers and/or libraries.])
AC_MSG_NOTICE([please install Xft headers and libraries or use 'configure --disable-xft'.])
if test x$enable_xft = xyes; then
AC_MSG_ERROR([Aborting.])
fi
fi
dnl Check for the Xdbe extension unless disabled...
AC_ARG_ENABLE(xdbe, [ --enable-xdbe turn on Xdbe support [[default=yes]]])
xdbe_found=no
if test x$enable_xdbe != xno; then
AC_CHECK_HEADER(
[X11/extensions/Xdbe.h],
[AC_CHECK_LIB(Xext, XdbeQueryExtension,
[AC_DEFINE(HAVE_XDBE)
LIBS="-lXext $LIBS"
xdbe_found=yes])],
[],
[#include <X11/Xlib.h>])
fi
dnl Check for the Xfixes extension unless disabled...
AC_ARG_ENABLE(xfixes, [ --enable-xfixes turn on Xfixes support [[default=yes]]])
xfixes_found=no
if test x$enable_xfixes != xno; then
AC_CHECK_HEADER(
[X11/extensions/Xfixes.h],
[AC_CHECK_LIB(Xfixes, XFixesQueryExtension,
[AC_DEFINE(HAVE_XFIXES)
LIBS="-lXfixes $LIBS"
xfixes_found=yes])],
[],
[#include <X11/Xlib.h>])
fi
dnl Check for the Xcursor library unless disabled...
AC_ARG_ENABLE(xcursor, [ --enable-xcursor turn on Xcursor support [[default=yes]]])
xcursor_found=no
if test x$enable_xcursor != xno; then
AC_CHECK_HEADER(
[X11/Xcursor/Xcursor.h],
[AC_CHECK_LIB(Xcursor, XcursorImageCreate,
[AC_DEFINE(HAVE_XCURSOR)
LIBS="-lXcursor $LIBS"
xcursor_found=yes])],
[],
[#include <X11/Xlib.h>])
fi
dnl Check for the Xrender library unless disabled...
AC_ARG_ENABLE(xrender, [ --enable-xrender turn on Xrender support [[default=yes]]])
xrender_found=no
if test x$enable_xrender != xno; then
AC_CHECK_HEADER(
[X11/extensions/Xrender.h],
[AC_CHECK_LIB(Xrender, XRenderQueryVersion,
[AC_DEFINE(HAVE_XRENDER)
LIBS="-lXrender $LIBS"
xrender_found=yes])],
[],
[#include <X11/Xlib.h>])
fi
dnl Check for the X11/Xregion.h header file...
AC_CHECK_HEADER(X11/Xregion.h, AC_DEFINE(HAVE_X11_XREGION_H),,
[#include <X11/Xlib.h>])
dnl Check for overlay visuals...
AC_PATH_PROG(XPROP, xprop)
AC_CACHE_CHECK(for X overlay visuals, ac_cv_have_overlay,
if test "x$XPROP" != x; then
if $XPROP -root 2>/dev/null | grep -c "SERVER_OVERLAY_VISUALS" >/dev/null; then
ac_cv_have_overlay=yes
else
ac_cv_have_overlay=no
fi
else
ac_cv_have_overlay=no
fi)
if test x$ac_cv_have_overlay = xyes; then
AC_DEFINE(HAVE_OVERLAY)
fi
# Make symlinks since UNIX/Linux is case sensitive,
# but Cygwin in general not.
case $host_os in
cygwin*)
HLINKS="#"
;;
*)
;;
esac
# Make symlinks since UNIX/Linux is case sensitive,
# but only if explicitly configured (default=no)
if test "x$with_links" != xyes; then
HLINKS="#"
fi
# Install/Uninstall FLUID application support files
INSTALL_DESKTOP="install-linux"
UNINSTALL_DESKTOP="uninstall-linux"
;;
esac
AC_SUBST(GLDEMOS)
AC_SUBST(GLLIBS)
AC_SUBST(HLINKS)
AC_SUBST(OSX_ONLY)
AC_SUBST(THREADS)
AC_SUBST(INSTALL_DESKTOP)
AC_SUBST(UNINSTALL_DESKTOP)
AC_SUBST(USEMMFILES)
dnl Figure out the appropriate formatted man page extension...
case "$host_os" in
*bsd* | darwin*)
# *BSD
CAT1EXT=0
CAT3EXT=0
CAT6EXT=0
;;
irix*)
# SGI IRIX
CAT1EXT=z
CAT3EXT=z
CAT6EXT=z
;;
*)
# All others
CAT1EXT=1
CAT3EXT=3
CAT6EXT=6
;;
esac
AC_SUBST(CAT1EXT)
AC_SUBST(CAT3EXT)
AC_SUBST(CAT6EXT)
dnl Fix "mandir" variable...
if test "$mandir" = "\${prefix}/man" -a "$prefix" = "/usr"; then
case "$host_os" in
*bsd* | darwin* | linux*)
# *BSD, Darwin, and Linux
mandir="\${prefix}/share/man"
;;
irix*)
# SGI IRIX
mandir="\${prefix}/share/catman"
;;
esac
fi
dnl Fix "libdir" variable...
if test "$prefix" = NONE; then
prefix=/usr/local
fi
if test "$exec_prefix" = NONE; then
exec_prefix="\${prefix}"
fi
case $host_os in
irix[1-5]*)
;;
irix*)
if test "$libdir" = "\${exec_prefix}/lib" -a "$exec_prefix" = "\${prefix}" -a "$prefix" = "/usr"; then
libdir="/usr/lib32"
fi
;;
esac
dnl Define the command used to update the dependencies (this option
dnl mainly for FLTK core developers - not necessary for users)
MAKEDEPEND="\$(CXX) -M"
AC_SUBST(MAKEDEPEND)
dnl Add warnings to compiler switches:
dnl do this last so messing with switches does not break tests
if test -n "$GCC"; then
# Show all standard warnings + unused variables, conversion errors,
# and inlining problems when compiling...
OPTIM="-Wall -Wunused -Wno-format-y2k $OPTIM"
# The following additional warnings are useful for tracking down problems...
#OPTIM="-Wshadow -Wconversion $OPTIM"
# We know that Carbon is deprecated on OS X 10.4. To avoid hundreds of warnings
# we will temporarily disable 'deprecated' warnings on OS X.
case $host_os in
darwin[1-7])
;;
darwin*)
OPTIM="-Wno-deprecated-declarations $OPTIM"
;;
esac
# Set the default compiler optimizations...
if test -z "$DEBUGFLAG"; then
#
# Note: Can't use -fomit-frame-pointer - prevents tools like
# libsafe from working!
#
# Don't use -fforce-mem, -fforce-addr, or -fcaller-saves.
# They all seem to make either no difference or enlarge
# the code by a few hundred bytes.
#
# "-Os" seems to be the best compromise between speed and
# code size. "-O3" and higher seem to make no effective
# difference in the speed of the code, but does bloat the
# library 10+%.
#
if test "x$with_optim" != x; then
OPTIM="$with_optim $OPTIM"
else
OPTIM="-Os $OPTIM"
fi
fi
# Generate position-independent code when needed...
if test $PICFLAG = 1; then
OPTIM="$OPTIM -fPIC"
fi
# See if GCC supports -fno-exceptions...
AC_MSG_CHECKING([if GCC supports -fno-exceptions])
OLDCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fno-exceptions"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[OPTIM="$OPTIM -fno-exceptions"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="$OLDCFLAGS"
# See if GCC supports -fno-strict-aliasing...
AC_MSG_CHECKING([if GCC supports -fno-strict-aliasing])
OLDCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fno-strict-aliasing"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[OPTIM="$OPTIM -fno-strict-aliasing"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="$OLDCFLAGS"
dnl Make sure that shared libraries don't have undefined references
# See if ld supports -no-undefined...
AC_MSG_CHECKING([if ld supports -no-undefined])
OLDLDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,-no-undefined"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[DSOFLAGS="$DSOFLAGS -Wl,-no-undefined"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="$OLDLDFLAGS"
# See if ld supports -Bsymbolic-functions...
AC_MSG_CHECKING([if ld supports -Bsymbolic-functions])
OLDLDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,-Bsymbolic-functions"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[DSOFLAGS="$DSOFLAGS -Wl,-Bsymbolic-functions"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="$OLDLDFLAGS"
# See if toolchain supports a sectioned build...
AC_MSG_CHECKING([if toolchain supports sections])
OLDLDFLAGS="$LDFLAGS"
OLDCFLAGS="$CFLAGS"
LDFLAGS="$LDFLAGS -Wl,-gc-sections"
CFLAGS="$CFLAGS -ffunction-sections -fdata-sections"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[DSOFLAGS="$DSOFLAGS -Wl,-gc-sections"
OPTIM="$OPTIM -ffunction-sections -fdata-sections"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="$OLDLDFLAGS"
CFLAGS="$OLDCFLAGS"
# See if we are running Solaris; if so, try the -fpermissive option...
# This option is required on some versions of Solaris to work around
# bugs in the X headers up through Solaris 7.
#
# Unlike the other compiler/optimization settings, this one is placed
# in CFLAGS and CXXFLAGS so that fltk-config will provide the option
# to clients - otherwise client apps will not compile properly...
case $host_os in
solaris*)
AC_MSG_CHECKING([if GCC supports -fpermissive])
OLDCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fpermissive"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])],
[CXXFLAGS="$CXXFLAGS -fpermissive"
AC_MSG_RESULT(yes)],
[CFLAGS="$OLDCFLAGS"
AC_MSG_RESULT(no)])
;;
esac
else
case "$host_os" in
irix*)
# Running some flavor of IRIX; see which version and
# set things up according...
if test "$uversion" -ge 62; then
# We are running IRIX 6.2 or higher; uncomment the following
# lines if you don't have IDO 7.2 or higher:
#
# CXX="CC -n32 -mips3"
# CC="cc -n32 -mips3"
# LD="ld -n32 -mips3"
# MAKEDEPEND="CC -M"
if test "x`grep abi=n32 /etc/compiler.defaults`" = x; then
AC_MSG_WARN([FOR BEST RESULTS BEFORE COMPILING: setenv SGI_ABI "-n32 -mips3"])
fi
OPTIM="-fullwarn $OPTIM"
fi
if test -z "$DEBUGFLAG"; then
if test "x$with_optim" != x; then
OPTIM="$with_optim $OPTIM"
else
OPTIM="-O2 $OPTIM"
if test $uversion -gt 62; then
OPTIM="-OPT:Olimit=4000 $OPTIM"
fi
fi
fi
;;
hpux*)
# Running HP-UX; these options should work for the HP compilers.
if test -z "$DEBUGFLAG"; then
if test "x$with_optim" != x; then
OPTIM="$with_optim $OPTIM"
else
OPTIM="+O2 $OPTIM"
fi
fi
if test $PICFLAG = 1; then
OPTIM="+z $OPTIM"
fi
CXXFLAGS="$CXXFLAGS +W336,501,736,740,749,829"
;;
OSF1*)
# Running Digital/Tru64 UNIX; these options should work for the
# Digital/Compaq/NewHP compilers.
if test -z "$DEBUGFLAG"; then
if test "x$with_optim" != x; then
OPTIM="$with_optim $OPTIM"
else
OPTIM="-O2 $OPTIM"
fi
fi
;;
solaris*)
# Solaris
if test -z "$DEBUGFLAG"; then
if test "x$with_optim" != x; then
OPTIM="$with_optim $OPTIM"
else
OPTIM="-xO3 $OPTIM"
fi
fi
if test $PICFLAG = 1; then
OPTIM="-KPIC $OPTIM"
fi
;;
aix*)
if test -z "$DEBUGFLAG"; then
if test "x$with_optim" != x; then
OPTIM="$with_optim $OPTIM"
else
OPTIM="-O2 $OPTIM"
fi
fi
AC_MSG_WARN([The AIX C and C++ compilers are known not to correctly compile the FLTK library.])
;;
*)
# Running some other operating system; inform the user they
# should contribute the necessary options via the STR form..
AC_MSG_WARN([Building FLTK with default compiler optimizations])
AC_MSG_WARN([Send the FLTK developers your uname and compiler options via http://www.fltk.org/str.php])
;;
esac
fi
OPTIM="$DEBUGFLAG $OPTIM"
dnl Take archflags away from CFLAGS (makefiles use ARCHFLAGS explicitly)
case $host_os in
darwin*)
if test "x$with_archflags" != x ; then
CFLAGS="`echo $CFLAGS | sed -e "s/$with_archflags//g"`"
fi
;;
esac
dnl Define the FLTK documentation directory...
case $host_os in
mingw*)
# Determine the path where MSys has /usr installed
msyspath=`mount | grep '\/usr ' | cut -d ' ' -f -1 | sed -e 's/\\\/\// g'`
# Then substitute that in the WIN32 path instead of /usr
AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "$msyspath/local/share/doc/fltk")
;;
*)
if test x$prefix = xNONE; then
AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "/usr/local/share/doc/fltk")
else
AC_DEFINE_UNQUOTED(FLTK_DOCDIR, "$prefix/share/doc/fltk")
fi
;;
esac
dnl Define the FLTK data directory...
if test x$prefix = xNONE; then
AC_DEFINE_UNQUOTED(FLTK_DATADIR, "/usr/local/share/fltk")
else
AC_DEFINE_UNQUOTED(FLTK_DATADIR, "$prefix/share/fltk")
fi
dnl Summarize results of configure tests...
echo ""
echo "Configuration Summary"
echo "-------------------------------------------------------------------------"
case $host_os_gui in
cygwin* | mingw*)
graphics="GDI"
;;
darwin*)
graphics="Quartz"
;;
*)
graphics="X11"
if test x$xft_found = xyes; then
graphics="$graphics + Xft"
fi
if test x$xdbe_found = xyes; then
graphics="$graphics + Xdbe"
fi
if test x$xfixes_found = xyes; then
graphics="$graphics + Xfixes"
fi
if test x$xinerama_found = xyes; then
graphics="$graphics + Xinerama"
fi
if test x$xcursor_found = xyes; then
graphics="$graphics + Xcursor"
fi
if test x$xrender_found = xyes; then
graphics="$graphics + Xrender"
fi
;;
esac
echo " Directories: prefix=$prefix"
echo " bindir=$bindir"
echo " datadir=$datadir"
echo " datarootdir=$datarootdir"
echo " exec_prefix=$exec_prefix"
echo " includedir=$includedir"
echo " libdir=$libdir"
echo " mandir=$mandir"
case $host_os in
mingw*)
echo " MSys docpath=$msyspath/local/share/doc/fltk"
;;
esac
echo " Graphics: $graphics"
if test x$JPEG = x; then
echo "Image Libraries: JPEG=System"
else
echo "Image Libraries: JPEG=Builtin"
fi
if test x$PNG = x; then
echo " PNG=System"
else
echo " PNG=Builtin"
fi
if test x$ZLIB = x; then
echo " ZLIB=System"
else
echo " ZLIB=Builtin"
fi
if test x$enable_cairo = xyes; then
echo " CAIRO=lib"
fi
if test x$enable_cairoext = xyes; then
echo " CAIRO=internal_use"
fi
if test x$enable_largefile != xno; then
echo " Large Files: YES"
else
echo " Large Files: NO"
fi
if test x$GLDEMOS = x; then
echo " OpenGL: NO"
else
echo " OpenGL: YES"
fi
if test x$THREADS = x; then
echo " Threads: NO"
else
echo " Threads: YES"
fi
dnl Set empty BINARY_DIR variable for fltk-config.in (CMake compatibility)
BINARY_DIR=
AC_SUBST(BINARY_DIR)
dnl Write all of the files...
AC_CONFIG_HEADER(config.h:configh.in)
AC_CONFIG_HEADER(FL/abi-version.h:abi-version.in)
AC_CONFIG_FILES([makeinclude fltk.list fltk-config fltk.spec FL/Makefile])
AC_OUTPUT
dnl Make sure the fltk-config script is executable...
chmod +x fltk-config
dnl
dnl End of "$Id$".
dnl
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