| AC_INIT([libwebp], [0.2.0], |
| [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]) |
| ], |
| [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="$JPEG_INCLUDES -DWEBP_HAVE_JPEG" |
| AC_DEFINE(WEBP_HAVE_JPEG, [1], |
| [Set to 1 if JPEG library is installed]) |
| ], |
| AC_MSG_WARN(Optional jpeg library not found), |
| [$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="$TIFF_INCLUDES -DWEBP_HAVE_TIFF" |
| AC_DEFINE(WEBP_HAVE_TIFF, [1], |
| [Set to 1 if TIFF library is installed]) |
| ], |
| AC_MSG_WARN(Optional tiff library not found), |
| [$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 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 ========================= |
| |
| 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/utils/Makefile \ |
| src/mux/Makefile \ |
| src/libwebp.pc]) |
| |
| |
| AC_OUTPUT |
