mirror of
https://github.com/webmproject/libwebp.git
synced 2024-11-20 04:18:26 +01:00
2315785f2c
This change adds the WebP Mux library for manipulating the WebP Mux Container. The library document and command line tool exhibiting the usage of this libary will follow in subsequent Git change. Change-Id: I4cba7dd12307483185ad5a68df33af6c36c154c8
164 lines
4.6 KiB
Plaintext
164 lines
4.6 KiB
Plaintext
AC_INIT([libwebp], [0.1.3],
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[http://code.google.com/p/webp/issues],,
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[http://code.google.com/speed/webp])
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AC_CANONICAL_TARGET
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AM_INIT_AUTOMAKE([-Wall foreign subdir-objects])
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AC_PROG_LIBTOOL
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AM_PROG_CC_C_O
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AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
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[Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
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[pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
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AC_SUBST([pkgconfigdir])
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dnl === Check libz is present
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if test "$enable_experimental" = "yes"; then
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AC_CHECK_HEADER(zlib.h,
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AC_CHECK_LIB(z, gzsetparams,,AC_MSG_ERROR(zlib library not found)),
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AC_MSG_ERROR(zlib not available - no zlib.h)
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)
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fi
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dnl === check for PNG support ===
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PNG_INCLUDES=""
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PNG_LIBS=""
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AC_PATH_PROG(LIBPNG_CONFIG, libpng-config)
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if test -n "$LIBPNG_CONFIG"; then
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PNG_INCLUDES=`$LIBPNG_CONFIG --cflags`
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PNG_PREFIX=`$LIBPNG_CONFIG --prefix`
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if test "${PNG_PREFIX}/lib" != "/usr/lib" ; then
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PNG_LIBS="-L${PNG_PREFIX}/lib"
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fi
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fi
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AC_ARG_WITH(pngincludedir,
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[--with-pngincludedir=DIR use PNG includes from DIR],
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PNG_INCLUDES="-I$withval")
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AC_ARG_WITH(pnglibdir,
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[--with-pnglibdir=DIR use PNG libraries from DIR],
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[PNG_LIBS="-L$withval"])
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SAVED_CPPFLAGS=$CPPFLAGS
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SAVED_LIBS=$LIBS
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CPPFLAGS="$PNG_INCLUDES $CPPFLAGS"
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LIBS="$PNG_LIBS $LIBS"
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AC_CHECK_HEADER(png.h,
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AC_CHECK_LIB(png, main,
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[PNG_LIBS="$PNG_LIBS -lpng"
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PNG_INCLUDES="$PNG_INCLUDES -DWEBP_HAVE_PNG"
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AC_DEFINE(WEBP_HAVE_PNG, [1], [Set to 1 if PNG library is installed])
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],
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AC_MSG_WARN(Optional png library not found),
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[$MATH_LIBS]),
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AC_MSG_WARN(png library not available - no png.h)
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)
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AC_SUBST(PNG_LIBS)
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AC_SUBST(PNG_INCLUDES)
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CPPFLAGS=$SAVED_CPPFLAGS
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LIBS=$SAVED_LIBS
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dnl === check for JPEG support ===
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JPEG_INCLUDES=""
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JPEG_LIBS=""
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AC_ARG_WITH(jpegincludedir,
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[--with-jpegincludedir=DIR use JPEG includes from DIR],
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JPEG_INCLUDES="-I$withval")
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AC_ARG_WITH(jpeglibdir,
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[--with-jpeglibdir=DIR use JPEG libraries from DIR],
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[JPEG_LIBS="-L$withval"])
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SAVED_CPPFLAGS=$CPPFLAGS
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SAVED_LIBS=$LIBS
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CPPFLAGS="$JPEG_INCLUDES $CPPFLAGS"
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LIBS="$JPEG_LIBS $LIBS"
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AC_CHECK_HEADER(jpeglib.h,
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AC_CHECK_LIB(jpeg, jpeg_set_defaults,
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[JPEG_LIBS="$JPEG_LIBS -ljpeg"
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JPEG_INCLUDES="$JPEG_INCLUDES -DWEBP_HAVE_JPEG"
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AC_DEFINE(WEBP_HAVE_JPEG, [1], [Set to 1 if JPEG library is installed])
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],
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AC_MSG_WARN(Optional jpeg library not found),
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[$MATH_LIBS]),
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AC_MSG_WARN(jpeg library not available - no jpeglib.h)
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)
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AC_SUBST(JPEG_LIBS)
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AC_SUBST(JPEG_INCLUDES)
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CPPFLAGS=$SAVED_CPPFLAGS
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LIBS=$SAVED_LIBS
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dnl === check for WIC support ===
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if test "$target_os" = "mingw32"; then
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AC_CHECK_HEADERS([wincodec.h shlwapi.h windows.h])
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if test "$ac_cv_header_wincodec_h" = "yes"; then
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AC_MSG_CHECKING(for Windows Imaging Component support)
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SAVED_LIBS=$LIBS
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LIBS="-lshlwapi -lole32 $LIBS"
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# match include structure from [cd]webp.c
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wic_headers="
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#define INITGUID
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#define CINTERFACE
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#define COBJMACROS
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#define _WIN32_IE 0x500
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#include <shlwapi.h>
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#include <windows.h>
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#include <wincodec.h>
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"
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# test for functions from each lib and the GUID is created properly
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wic_main="
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int main(void) {
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CLSID_WICImagingFactory;
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CoInitialize(NULL);
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SHCreateStreamOnFile(NULL, 0, NULL);
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return 0;
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}
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"
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AC_LANG_PUSH(C)
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AC_LINK_IFELSE(
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[AC_LANG_SOURCE([
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$wic_headers
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$wic_main])],
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[wic_support=yes],
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[wic_support=no]
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)
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AC_LANG_POP
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test "$wic_support" = "yes" || LIBS=$SAVED_LIBS
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AC_MSG_RESULT(${wic_support-no})
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fi
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fi
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dnl === If --enable-experimental is defined, add the flag WEBP_EXPERIMENTAL_FEATURES
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USE_EXPERIMENTAL_CODE=""
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AC_MSG_CHECKING(if --enable-experimental option is specified)
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AC_ARG_ENABLE(experimental, [ --enable-experimental Activate experimental features])
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if test "$enable_experimental" = "yes"; then
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AC_DEFINE(EXPERIMENTAL,,[Enable experimental code])
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USE_EXPERIMENTAL_CODE="-DWEBP_EXPERIMENTAL_FEATURES"
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fi
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AC_MSG_RESULT(${enable_experimental-no})
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AC_SUBST(USE_EXPERIMENTAL_CODE)
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dnl =========================
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_FILES([Makefile src/Makefile man/Makefile \
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examples/Makefile src/dec/Makefile \
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src/enc/Makefile src/dsp/Makefile \
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src/utils/Makefile \
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src/mux/Makefile \
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src/libwebp.pc])
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AC_OUTPUT
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