libwebp/configure.ac

43 lines
1.2 KiB
Plaintext
Raw Normal View History

AC_INIT([webpdecode], [0.1])
AM_INIT_AUTOMAKE
AC_PROG_LIBTOOL
AM_PROG_CC_C_O
dnl === check for PNG support ===
PNG_INCLUDES=""
PNG_LIBS=""
AC_PATH_PROG(LIBPNG_CONFIG, libpng-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${PNG_PREFIX}/lib"
fi
fi
AC_ARG_WITH(pngincludedir,
[--with-pngincludedir=DIR use PNG includes from DIR],
PNG_INCLUDES="-I$withval")
AC_ARG_WITH(pnglibdir,
[--with-pnglibdir=DIR use PNG libraries from DIR],
[PNG_LIBS="-L$withval"])
AC_CHECK_HEADER(png.h,
AC_CHECK_LIB(png, main,
[PNG_LIBS="$PNG_LIBS -lpng"
PNG_INCLUDES="$PNG_INCLUDES -DWEBP_HAVE_PNG"
AC_DEFINE(WEBP_HAVE_PNG, [1], [Set to 1 if PNG library is installed])
],
AC_MSG_WARN(Optional png library not found),
[$MATH_LIBS]),
AC_MSG_WARN(png library not available - no png.h)
)
AC_SUBST(PNG_LIBS)
AC_SUBST(PNG_INCLUDES)
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile examples/Makefile src/dec/Makefile])
AC_OUTPUT