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libwebp/configure.ac
James Zern 03c749ebb8 configure: fix --with-gifincludedir 
GIF_INCLUDES were not being used by examples/Makefile.am

Change-Id: I981ad473f6efe24f095e2b9cc8b133d6ae3658b6
2013-01-08 12:39:43 -08:00

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AC_INIT([libwebp], [0.2.1],
[http://code.google.com/p/webp/issues],,
[http://developers.google.com/speed/webp])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([-Wall foreign subdir-objects])
AC_PROG_LIBTOOL
AM_PROG_CC_C_O
dnl === Enable less verbose output when building.
dnl === If an older aclocal exits with an error comment these lines out.
m4_define_default([AM_SILENT_RULES], [])
AM_SILENT_RULES
AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=DIR],
[Path to the pkgconfig directory @<:@LIBDIR/pkgconfig@:>@]),
[pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
AC_SUBST([pkgconfigdir])
dnl === WITHLIB_OPTION([opt_pfx], [outvar_pfx])
dnl === Defines --with-<opt_pfx>{include,lib}dir options which set
dnl === the variables <outvar_pfx>_{INCLUDES,LIBS}.
AC_DEFUN([WITHLIB_OPTION],
[AC_ARG_WITH([$1includedir],
AS_HELP_STRING([--with-$1includedir=DIR],
[use $2 includes from DIR]),
$2_INCLUDES="-I$withval")
AC_ARG_WITH([$1libdir],
AS_HELP_STRING([--with-$1libdir=DIR],
[use $2 libraries from DIR]),
[$2_LIBS="-L$withval"])])
dnl === Check for pthread support
AC_ARG_ENABLE([threading],
AS_HELP_STRING([--disable-threading],
[Disable detection of thread support]),,
[enable_threading=yes])
if test "$enable_threading" = "yes"; then
AC_MSG_NOTICE([checking for threading support...])
AX_PTHREAD([AC_DEFINE([WEBP_USE_THREAD], [1],
[Undefine this to disable thread support.])
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"
],
[enable_threading=no])
fi
AC_MSG_NOTICE([checking if threading is enabled... ${enable_threading-no}])
dnl === check for PNG support ===
PNG_INCLUDES=""
PNG_LIBS=""
AC_PATH_PROGS(LIBPNG_CONFIG,
[libpng-config libpng15-config libpng14-config libpng12-config])
if test -n "$LIBPNG_CONFIG"; then
PNG_INCLUDES=`$LIBPNG_CONFIG --cflags`
PNG_PREFIX=`$LIBPNG_CONFIG --prefix`
if test "${PNG_PREFIX}/lib" != "/usr/lib" ; then
PNG_LIBS="-L${PNG_PREFIX}/lib"
fi
PNG_LIBS="$PNG_LIBS `$LIBPNG_CONFIG --libs`"
fi
WITHLIB_OPTION([png], [PNG])
SAVED_CPPFLAGS=$CPPFLAGS
SAVED_LIBS=$LIBS
CPPFLAGS="$PNG_INCLUDES $CPPFLAGS"
LIBS="$PNG_LIBS $LIBS"
AC_CHECK_HEADER(png.h,
AC_SEARCH_LIBS(png_get_libpng_ver, [png],
[test "$ac_cv_search_png_get_libpng_ver" = "none required" \
|| PNG_LIBS="$PNG_LIBS $ac_cv_search_png_get_libpng_ver"
PNG_INCLUDES="$PNG_INCLUDES -DWEBP_HAVE_PNG"
AC_DEFINE(WEBP_HAVE_PNG, [1],
[Set to 1 if PNG library is installed])
png_support=yes
],
[AC_MSG_WARN(Optional png library not found)
PNG_LIBS=""
PNG_INCLUDES=""
],
[$MATH_LIBS]),
[AC_MSG_WARN(png library not available - no png.h)
PNG_LIBS=""
PNG_INCLUDES=""
],
)
AC_SUBST(PNG_LIBS)
AC_SUBST(PNG_INCLUDES)
CPPFLAGS=$SAVED_CPPFLAGS
LIBS=$SAVED_LIBS
dnl === check for JPEG support ===
JPEG_INCLUDES=""
JPEG_LIBS=""
WITHLIB_OPTION([jpeg], [JPEG])
SAVED_CPPFLAGS=$CPPFLAGS
SAVED_LIBS=$LIBS
CPPFLAGS="$JPEG_INCLUDES $CPPFLAGS"
LIBS="$JPEG_LIBS $LIBS"
AC_CHECK_HEADER(jpeglib.h,
AC_CHECK_LIB(jpeg, jpeg_set_defaults,
[JPEG_LIBS="$JPEG_LIBS -ljpeg"
JPEG_INCLUDES="$JPEG_INCLUDES -DWEBP_HAVE_JPEG"
AC_DEFINE(WEBP_HAVE_JPEG, [1],
[Set to 1 if JPEG library is installed])
jpeg_support=yes
],
AC_MSG_WARN(Optional jpeg library not found),
[$MATH_LIBS]),
AC_MSG_WARN(jpeg library not available - no jpeglib.h)
)
AC_SUBST(JPEG_LIBS)
AC_SUBST(JPEG_INCLUDES)
CPPFLAGS=$SAVED_CPPFLAGS
LIBS=$SAVED_LIBS
dnl === check for TIFF support ===
TIFF_INCLUDES=""
TIFF_LIBS=""
WITHLIB_OPTION([tiff], [TIFF])
SAVED_CPPFLAGS=$CPPFLAGS
SAVED_LIBS=$LIBS
CPPFLAGS="$TIFF_INCLUDES $CPPFLAGS"
LIBS="$TIFF_LIBS $LIBS"
AC_CHECK_HEADER(tiffio.h,
AC_CHECK_LIB(tiff, TIFFGetVersion,
[TIFF_LIBS="$TIFF_LIBS -ltiff"
TIFF_INCLUDES="$TIFF_INCLUDES -DWEBP_HAVE_TIFF"
AC_DEFINE(WEBP_HAVE_TIFF, [1],
[Set to 1 if TIFF library is installed])
tiff_support=yes
],
AC_MSG_WARN(Optional tiff library not found),
[$MATH_LIBS]),
AC_MSG_WARN(tiff library not available - no tiffio.h)
)
AC_SUBST(TIFF_LIBS)
AC_SUBST(TIFF_INCLUDES)
CPPFLAGS=$SAVED_CPPFLAGS
LIBS=$SAVED_LIBS
dnl === check for GIF support ===
GIF_INCLUDES=""
GIF_LIBS=""
WITHLIB_OPTION([gif], [GIF])
SAVED_CPPFLAGS=$CPPFLAGS
SAVED_LIBS=$LIBS
CPPFLAGS="$GIF_INCLUDES $CPPFLAGS"
LIBS="$GIF_LIBS $LIBS"
AC_CHECK_HEADER(gif_lib.h,
AC_CHECK_LIB([gif], [DGifOpenFileHandle],
[GIF_LIBS="$GIF_LIBS -lgif"
gif_support=yes
],
AC_MSG_WARN(Optional gif library not found),
[$MATH_LIBS]),
AC_MSG_WARN(gif library not available - no gif_lib.h)
)
AC_SUBST(GIF_LIBS)
AC_SUBST(GIF_INCLUDES)
CPPFLAGS=$SAVED_CPPFLAGS
LIBS=$SAVED_LIBS
if test "$gif_support" = "yes" -a \
"$enable_experimental_libwebpmux" = "yes"; then
build_gif2webp=yes
fi
AM_CONDITIONAL([BUILD_GIF2WEBP], [test "${build_gif2webp}" = "yes"])
dnl === check for WIC support ===
if test "$target_os" = "mingw32"; then
AC_CHECK_HEADERS([wincodec.h shlwapi.h windows.h])
if test "$ac_cv_header_wincodec_h" = "yes"; then
AC_MSG_CHECKING(for Windows Imaging Component support)
SAVED_LIBS=$LIBS
LIBS="-lshlwapi -lole32 $LIBS"
# match include structure from [cd]webp.c
wic_headers="
#define INITGUID
#define CINTERFACE
#define COBJMACROS
#define _WIN32_IE 0x500
#include <shlwapi.h>
#include <windows.h>
#include <wincodec.h>
"
# test for functions from each lib and the GUID is created properly
wic_main="
int main(void) {
CLSID_WICImagingFactory;
CoInitialize(NULL);
SHCreateStreamOnFile(NULL, 0, NULL);
return 0;
}
"
AC_LANG_PUSH(C)
AC_LINK_IFELSE(
[AC_LANG_SOURCE([
$wic_headers
$wic_main])],
[wic_support=yes],
[wic_support=no]
)
AC_LANG_POP
test "$wic_support" = "yes" || LIBS=$SAVED_LIBS
AC_MSG_RESULT(${wic_support-no})
fi
fi
dnl === If --enable-experimental is defined, add -DWEBP_EXPERIMENTAL_FEATURES
USE_EXPERIMENTAL_CODE=""
AC_MSG_CHECKING(if --enable-experimental option is specified)
AC_ARG_ENABLE([experimental], AS_HELP_STRING([--enable-experimental],
[Activate experimental features]))
if test "$enable_experimental" = "yes"; then
AC_DEFINE(EXPERIMENTAL,,[Enable experimental code])
USE_EXPERIMENTAL_CODE="-DWEBP_EXPERIMENTAL_FEATURES"
fi
AC_MSG_RESULT(${enable_experimental-no})
AC_SUBST(USE_EXPERIMENTAL_CODE)
dnl === Check whether libwebpmux should be built
AC_MSG_CHECKING(whether libwebpmux is to be built)
AC_ARG_ENABLE([experimental-libwebpmux],
AS_HELP_STRING([--enable-experimental-libwebpmux],
[Build libwebpmux @<:@default=no@:>@]))
AC_MSG_RESULT(${enable_experimental_libwebpmux-no})
AM_CONDITIONAL([WANT_MUX], [test "$enable_experimental_libwebpmux" = "yes"])
dnl === Check whether libwebpdemux should be built
AC_MSG_CHECKING(whether libwebpdemux is to be built)
AC_ARG_ENABLE([experimental-libwebpdemux],
AS_HELP_STRING([--enable-experimental-libwebpdemux],
[Build libwebpdemux @<:@default=no@:>@]))
AC_MSG_RESULT(${enable_experimental_libwebpdemux-no})
AM_CONDITIONAL([WANT_DEMUX], [test "$enable_experimental_libwebpdemux" = "yes"])
dnl =========================
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile src/Makefile man/Makefile \
examples/Makefile src/dec/Makefile \
src/enc/Makefile src/dsp/Makefile \
src/demux/Makefile src/mux/Makefile \
src/utils/Makefile \
src/libwebp.pc])
AC_OUTPUT
AC_MSG_NOTICE([
WebP Configuration Summary
--------------------------
Shared libraries: ${enable_shared}
Static libraries: ${enable_static}
Threaded decode: ${enable_threading-no}
libwebp: yes
libwebpdemux: ${enable_experimental_libwebpdemux-no}
libwebpmux: ${enable_experimental_libwebpmux-no}
Tools:
cwebp: yes
Input format support
====================
JPEG : ${jpeg_support-no}
PNG : ${png_support-no}
TIFF : ${tiff_support-no}
WIC : ${wic_support-no}
dwebp: yes
Output format support
=====================
PNG : ${png_support-no}
WIC : ${wic_support-no}
gif2webp: ${build_gif2webp-no}
webpmux: ${enable_experimental_libwebpmux-no}
])
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