Built SDL2_image and _mixer static
This commit is contained in:
777
libsdl2_image/external/libwebp-1.0.2/configure.ac
vendored
Normal file
777
libsdl2_image/external/libwebp-1.0.2/configure.ac
vendored
Normal file
@ -0,0 +1,777 @@
|
||||
AC_INIT([libwebp], [1.0.2],
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[https://bugs.chromium.org/p/webp],,
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[http://developers.google.com/speed/webp])
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||||
AC_CANONICAL_HOST
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AC_PREREQ([2.60])
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||||
AM_INIT_AUTOMAKE([-Wall foreign subdir-objects])
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||||
|
||||
dnl === automake >= 1.12 requires this for 'unusual archivers' support.
|
||||
dnl === it must occur before LT_INIT (AC_PROG_LIBTOOL).
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||||
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
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||||
|
||||
AC_PROG_LIBTOOL
|
||||
AC_PROG_SED
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||||
AM_PROG_CC_C_O
|
||||
|
||||
dnl === Enable less verbose output when building.
|
||||
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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||||
|
||||
dnl == test endianness
|
||||
AC_C_BIGENDIAN
|
||||
|
||||
dnl === SET_IF_UNSET(shell_var, value)
|
||||
dnl === Set the shell variable 'shell_var' to 'value' if it is unset.
|
||||
AC_DEFUN([SET_IF_UNSET], [test "${$1+set}" = "set" || $1=$2])
|
||||
|
||||
AC_ARG_ENABLE([everything],
|
||||
AS_HELP_STRING([--enable-everything],
|
||||
[Enable all optional targets. These can still be
|
||||
disabled with --disable-target]),
|
||||
[SET_IF_UNSET([enable_libwebpdecoder], [$enableval])
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||||
SET_IF_UNSET([enable_libwebpdemux], [$enableval])
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||||
SET_IF_UNSET([enable_libwebpextras], [$enableval])
|
||||
SET_IF_UNSET([enable_libwebpmux], [$enableval])])
|
||||
|
||||
dnl === If --enable-asserts is not defined, define NDEBUG
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||||
|
||||
AC_MSG_CHECKING(whether asserts are enabled)
|
||||
AC_ARG_ENABLE([asserts],
|
||||
AS_HELP_STRING([--enable-asserts],
|
||||
[Enable assert checks]))
|
||||
if test "x${enable_asserts-no}" = "xno"; then
|
||||
AM_CPPFLAGS="${AM_CPPFLAGS} -DNDEBUG"
|
||||
fi
|
||||
AC_MSG_RESULT(${enable_asserts-no})
|
||||
AC_SUBST([AM_CPPFLAGS])
|
||||
|
||||
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 === TEST_AND_ADD_CFLAGS(var, flag)
|
||||
dnl === Checks whether $CC supports 'flag' and adds it to 'var'
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||||
dnl === on success.
|
||||
AC_DEFUN([TEST_AND_ADD_CFLAGS],
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||||
[SAVED_CFLAGS="$CFLAGS"
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||||
CFLAGS="-Werror $2"
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||||
AC_MSG_CHECKING([whether $CC supports $2])
|
||||
dnl Note AC_LANG_PROGRAM([]) uses an old-style main definition.
|
||||
AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) { return 0; }])],
|
||||
[AC_MSG_RESULT([yes])]
|
||||
dnl Simply append the variable avoiding a
|
||||
dnl compatibility ifdef for AS_VAR_APPEND as this
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||||
dnl variable shouldn't grow all that large.
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||||
[$1="${$1} $2"],
|
||||
[AC_MSG_RESULT([no])])
|
||||
CFLAGS="$SAVED_CFLAGS"])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-fvisibility=hidden])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wall])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wconstant-conversion])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wdeclaration-after-statement])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wextra])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wfloat-conversion])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wformat -Wformat-nonliteral])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wformat -Wformat-security])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wmissing-declarations])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wmissing-prototypes])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wold-style-definition])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wparentheses-equality])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wshadow])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wshorten-64-to-32])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wundef])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wunreachable-code])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wunused-but-set-variable])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wunused])
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wvla])
|
||||
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62040
|
||||
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61622
|
||||
AS_IF([test "$GCC" = "yes" ], [
|
||||
gcc_version=`$CC -dumpversion`
|
||||
gcc_wht_bug=""
|
||||
case "$host_cpu" in
|
||||
aarch64|arm64)
|
||||
case "$gcc_version" in
|
||||
4.9|4.9.0|4.9.1) gcc_wht_bug=yes ;;
|
||||
esac
|
||||
esac
|
||||
AS_IF([test "$gcc_wht_bug" = "yes"], [
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-frename-registers])])])
|
||||
# Use -flax-vector-conversions, if available, when building intrinsics with
|
||||
# older versions of gcc. The flag appeared in 4.3.x, but if backported, and
|
||||
# -fno-lax-vector-conversions is set, errors may occur with the intrinsics
|
||||
# files along with the older system includes, e.g., emmintrin.h.
|
||||
# Originally observed with cc (GCC) 4.2.1 20070831 patched [FreeBSD] (9.3).
|
||||
# https://bugs.chromium.org/p/webp/issues/detail?id=274
|
||||
AS_IF([test "$GCC" = "yes" ], [
|
||||
case "$host_cpu" in
|
||||
amd64|i?86|x86_64)
|
||||
AC_COMPILE_IFELSE(
|
||||
dnl only check for -flax-vector-conversions with older gcc, skip
|
||||
dnl clang as it reports itself as 4.2.1, but the flag isn't needed.
|
||||
[AC_LANG_SOURCE([#if !defined(__clang__) && defined(__GNUC__) && \
|
||||
((__GNUC__ << 8) | __GNUC_MINOR__) < 0x403
|
||||
#error old gcc
|
||||
#endif
|
||||
int main(void) { return 0; }
|
||||
])],,
|
||||
[TEST_AND_ADD_CFLAGS([INTRINSICS_CFLAGS],
|
||||
[-flax-vector-conversions])])
|
||||
;;
|
||||
esac])
|
||||
AC_SUBST([AM_CFLAGS])
|
||||
|
||||
dnl === Check for machine specific flags
|
||||
AC_ARG_ENABLE([sse4.1],
|
||||
AS_HELP_STRING([--disable-sse4.1],
|
||||
[Disable detection of SSE4.1 support
|
||||
@<:@default=auto@:>@]))
|
||||
|
||||
AS_IF([test "x$enable_sse4_1" != "xno" -a "x$enable_sse2" != "xno"], [
|
||||
SSE41_FLAGS="$INTRINSICS_CFLAGS $SSE41_FLAGS"
|
||||
TEST_AND_ADD_CFLAGS([SSE41_FLAGS], [-msse4.1])
|
||||
AS_IF([test -n "$SSE41_FLAGS"], [
|
||||
SAVED_CFLAGS=$CFLAGS
|
||||
CFLAGS="$CFLAGS $SSE41_FLAGS"
|
||||
AC_CHECK_HEADER([smmintrin.h],
|
||||
[AC_DEFINE(WEBP_HAVE_SSE41, [1],
|
||||
[Set to 1 if SSE4.1 is supported])],
|
||||
[SSE41_FLAGS=""])
|
||||
CFLAGS=$SAVED_CFLAGS])
|
||||
AC_SUBST([SSE41_FLAGS])])
|
||||
|
||||
AC_ARG_ENABLE([sse2],
|
||||
AS_HELP_STRING([--disable-sse2],
|
||||
[Disable detection of SSE2 support
|
||||
@<:@default=auto@:>@]))
|
||||
|
||||
AS_IF([test "x$enable_sse2" != "xno"], [
|
||||
SSE2_FLAGS="$INTRINSICS_CFLAGS $SSE2_FLAGS"
|
||||
TEST_AND_ADD_CFLAGS([SSE2_FLAGS], [-msse2])
|
||||
AS_IF([test -n "$SSE2_FLAGS"], [
|
||||
SAVED_CFLAGS=$CFLAGS
|
||||
CFLAGS="$CFLAGS $SSE2_FLAGS"
|
||||
AC_CHECK_HEADER([emmintrin.h],
|
||||
[AC_DEFINE(WEBP_HAVE_SSE2, [1],
|
||||
[Set to 1 if SSE2 is supported])],
|
||||
[SSE2_FLAGS=""])
|
||||
CFLAGS=$SAVED_CFLAGS])
|
||||
AC_SUBST([SSE2_FLAGS])])
|
||||
|
||||
AC_ARG_ENABLE([neon],
|
||||
AS_HELP_STRING([--disable-neon],
|
||||
[Disable detection of NEON support
|
||||
@<:@default=auto@:>@]))
|
||||
|
||||
AC_ARG_ENABLE([neon_rtcd],
|
||||
AS_HELP_STRING([--disable-neon-rtcd],
|
||||
[Disable runtime detection of NEON support via
|
||||
/proc/cpuinfo on Linux hosts
|
||||
@<:@default=auto@:>@]))
|
||||
# For ARM(7) hosts:
|
||||
# Both NEON flags unset and NEON support detected = build all modules with NEON
|
||||
# NEON detected with the use of -mfpu=neon = build only NEON modules with NEON
|
||||
AS_IF([test "x$enable_neon" != "xno"], [
|
||||
case "$host_cpu" in
|
||||
arm|armv7*)
|
||||
# Test for NEON support without flags before falling back to -mfpu=neon
|
||||
for flag in '' '-mfpu=neon'; do
|
||||
LOCAL_NEON_FLAGS="$INTRINSICS_CFLAGS $NEON_FLAGS"
|
||||
TEST_AND_ADD_CFLAGS([LOCAL_NEON_FLAGS], [$flag])
|
||||
SAVED_CFLAGS=$CFLAGS
|
||||
CFLAGS="$CFLAGS $LOCAL_NEON_FLAGS"
|
||||
|
||||
dnl Note AC_LANG_PROGRAM([]) uses an old-style main definition.
|
||||
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
||||
#include <arm_neon.h>
|
||||
int main(void) {
|
||||
int8x8_t v = vdup_n_s8(0);
|
||||
(void)v;
|
||||
return 0;
|
||||
}])],
|
||||
[NEON_FLAGS="$(echo $LOCAL_NEON_FLAGS | $SED 's/^ *//')"
|
||||
AS_IF([test -n "$NEON_FLAGS"], [
|
||||
AS_IF([test "${host_os%%-*}" = "linux" -o \
|
||||
"x$enable_neon_rtcd" = "xno"], [
|
||||
CFLAGS=$SAVED_CFLAGS
|
||||
AC_DEFINE(WEBP_HAVE_NEON, [1], [Set to 1 if NEON is supported])
|
||||
break
|
||||
],[
|
||||
AC_MSG_WARN(m4_normalize([NEON runtime cpu-detection is
|
||||
unavailable for ${host_os%%-*}. Force
|
||||
with CFLAGS=-mfpu=neon or
|
||||
--disable-neon-rtcd.]))
|
||||
enable_neon_rtcd=no
|
||||
NEON_FLAGS=""
|
||||
])
|
||||
],[
|
||||
CFLAGS=$SAVED_CFLAGS
|
||||
AC_DEFINE(WEBP_HAVE_NEON, [1], [Set to 1 if NEON is supported])
|
||||
break
|
||||
])])
|
||||
CFLAGS=$SAVED_CFLAGS
|
||||
done
|
||||
|
||||
AS_IF([test -n "$NEON_FLAGS"], [
|
||||
# If NEON is available and rtcd is disabled apply NEON_FLAGS globally.
|
||||
AS_IF([test "x$enable_neon_rtcd" = "xno"], [
|
||||
AM_CFLAGS="$AM_CFLAGS $NEON_FLAGS"
|
||||
NEON_FLAGS=""],
|
||||
[AC_DEFINE(WEBP_HAVE_NEON_RTCD, [1],
|
||||
[Set to 1 if runtime detection of NEON is enabled])])])
|
||||
|
||||
case "$host_os" in
|
||||
*android*) AC_CHECK_HEADERS([cpu-features.h]) ;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
AC_SUBST([NEON_FLAGS])])
|
||||
|
||||
dnl === CLEAR_LIBVARS([var_pfx])
|
||||
dnl === Clears <var_pfx>_{INCLUDES,LIBS}.
|
||||
AC_DEFUN([CLEAR_LIBVARS], [$1_INCLUDES=""; $1_LIBS=""])
|
||||
|
||||
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 === LIBCHECK_PROLOGUE([var_pfx])
|
||||
dnl === Caches the current values of CPPFLAGS/LIBS in SAVED_* then
|
||||
dnl === prepends the current values with <var_pfx>_{INCLUDES,LIBS}.
|
||||
AC_DEFUN([LIBCHECK_PROLOGUE],
|
||||
[SAVED_CPPFLAGS=$CPPFLAGS
|
||||
SAVED_LIBS=$LIBS
|
||||
CPPFLAGS="$$1_INCLUDES $CPPFLAGS"
|
||||
LIBS="$$1_LIBS $LIBS"])
|
||||
|
||||
dnl === LIBCHECK_EPILOGUE([var_pfx])
|
||||
dnl === Restores the values of CPPFLAGS/LIBS from SAVED_* and exports
|
||||
dnl === <var_pfx>_{INCLUDES,LIBS} with AC_SUBST.
|
||||
AC_DEFUN([LIBCHECK_EPILOGUE],
|
||||
[AC_SUBST($1_LIBS)
|
||||
AC_SUBST($1_INCLUDES)
|
||||
CPPFLAGS=$SAVED_CPPFLAGS
|
||||
LIBS=$SAVED_LIBS])
|
||||
|
||||
dnl === Check for gcc builtins
|
||||
|
||||
dnl === CHECK_FOR_BUILTIN([builtin], [param], [define])
|
||||
dnl === links a C AC_LANG_PROGRAM, with <builtin>(<param>)
|
||||
dnl === AC_DEFINE'ing <define> if successful.
|
||||
AC_DEFUN([CHECK_FOR_BUILTIN],
|
||||
[AC_LANG_PUSH([C])
|
||||
AC_MSG_CHECKING([for $1])
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [(void)$1($2)])],
|
||||
[AC_MSG_RESULT([yes])
|
||||
AC_DEFINE([$3], [1],
|
||||
[Set to 1 if $1 is available])],
|
||||
[AC_MSG_RESULT([no])]),
|
||||
AC_LANG_POP])
|
||||
|
||||
dnl AC_CHECK_FUNC doesn't work with builtin's.
|
||||
CHECK_FOR_BUILTIN([__builtin_bswap16], [1u << 15], [HAVE_BUILTIN_BSWAP16])
|
||||
CHECK_FOR_BUILTIN([__builtin_bswap32], [1u << 31], [HAVE_BUILTIN_BSWAP32])
|
||||
CHECK_FOR_BUILTIN([__builtin_bswap64], [1ull << 63], [HAVE_BUILTIN_BSWAP64])
|
||||
|
||||
dnl === Check for pthread support
|
||||
AC_ARG_ENABLE([threading],
|
||||
AS_HELP_STRING([--disable-threading],
|
||||
[Disable detection of thread support]),,
|
||||
[enable_threading=yes])
|
||||
if test "$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"
|
||||
],
|
||||
[AC_CHECK_FUNC([_beginthreadex],
|
||||
[AC_DEFINE([WEBP_USE_THREAD], [1],
|
||||
[Undefine this to disable thread
|
||||
support.])],
|
||||
[enable_threading=no])])
|
||||
fi
|
||||
AC_MSG_NOTICE([checking if threading is enabled... ${enable_threading-no}])
|
||||
|
||||
dnl === check for OpenGL/GLUT support ===
|
||||
|
||||
AC_ARG_ENABLE([gl], AS_HELP_STRING([--disable-gl],
|
||||
[Disable detection of OpenGL support
|
||||
@<:@default=auto@:>@]))
|
||||
AS_IF([test "x$enable_gl" != "xno"], [
|
||||
CLEAR_LIBVARS([GL])
|
||||
WITHLIB_OPTION([gl], [GL])
|
||||
|
||||
LIBCHECK_PROLOGUE([GL])
|
||||
|
||||
glut_cflags="none"
|
||||
glut_ldflags="none"
|
||||
case $host_os in
|
||||
darwin*)
|
||||
# Special case for OSX builds. Append these to give the user a chance to
|
||||
# override with --with-gl*
|
||||
glut_cflags="$glut_cflags|-framework GLUT -framework OpenGL"
|
||||
glut_ldflags="$glut_ldflags|-framework GLUT -framework OpenGL"
|
||||
# quiet deprecation warnings for glut
|
||||
TEST_AND_ADD_CFLAGS([AM_CFLAGS], [-Wno-deprecated-declarations])
|
||||
;;
|
||||
esac
|
||||
|
||||
GLUT_SAVED_CPPFLAGS="$CPPFLAGS"
|
||||
SAVED_IFS="$IFS"
|
||||
IFS="|"
|
||||
for flag in $glut_cflags; do
|
||||
# restore IFS immediately as the autoconf macros may need the default.
|
||||
IFS="$SAVED_IFS"
|
||||
unset ac_cv_header_GL_glut_h
|
||||
unset ac_cv_header_OpenGL_glut_h
|
||||
|
||||
case $flag in
|
||||
none) ;;
|
||||
*) CPPFLAGS="$flag $CPPFLAGS";;
|
||||
esac
|
||||
AC_CHECK_HEADERS([GL/glut.h GLUT/glut.h OpenGL/glut.h],
|
||||
[glut_headers=yes;
|
||||
test "$flag" = "none" || GL_INCLUDES="$CPPFLAGS";
|
||||
break])
|
||||
CPPFLAGS="$GLUT_SAVED_CPPFLAGS"
|
||||
test "$glut_headers" = "yes" && break
|
||||
done
|
||||
IFS="$SAVED_IFS"
|
||||
|
||||
if test "$glut_headers" = "yes"; then
|
||||
AC_LANG_PUSH([C])
|
||||
GLUT_SAVED_LDFLAGS="$LDFLAGS"
|
||||
SAVED_IFS="$IFS"
|
||||
IFS="|"
|
||||
for flag in $glut_ldflags; do
|
||||
# restore IFS immediately as the autoconf macros may need the default.
|
||||
IFS="$SAVED_IFS"
|
||||
unset ac_cv_search_glBegin
|
||||
|
||||
case $flag in
|
||||
none) ;;
|
||||
*) LDFLAGS="$flag $LDFLAGS";;
|
||||
esac
|
||||
|
||||
# find libGL
|
||||
GL_SAVED_LIBS="$LIBS"
|
||||
AC_SEARCH_LIBS([glBegin], [GL OpenGL opengl32])
|
||||
LIBS="$GL_SAVED_LIBS"
|
||||
|
||||
# A direct link to libGL may not be necessary on e.g., linux.
|
||||
GLUT_SAVED_LIBS="$LIBS"
|
||||
for lib in "" "-lglut" "-lglut $ac_cv_search_glBegin"; do
|
||||
LIBS="$lib"
|
||||
AC_LINK_IFELSE(
|
||||
[AC_LANG_PROGRAM([
|
||||
#ifdef __cplusplus
|
||||
# define EXTERN_C extern "C"
|
||||
#else
|
||||
# define EXTERN_C
|
||||
#endif
|
||||
EXTERN_C char glOrtho();
|
||||
EXTERN_C char glutMainLoop();
|
||||
],[
|
||||
glOrtho();
|
||||
glutMainLoop();
|
||||
])
|
||||
],
|
||||
AC_DEFINE(WEBP_HAVE_GL, [1],
|
||||
[Set to 1 if OpenGL is supported])
|
||||
[glut_support=yes], []
|
||||
)
|
||||
if test "$glut_support" = "yes"; then
|
||||
GL_LIBS="$LDFLAGS $lib"
|
||||
break
|
||||
fi
|
||||
done
|
||||
LIBS="$GLUT_SAVED_LIBS"
|
||||
LDFLAGS="$GLUT_SAVED_LDFLAGS"
|
||||
test "$glut_support" = "yes" && break
|
||||
done
|
||||
IFS="$SAVED_IFS"
|
||||
AC_LANG_POP
|
||||
fi
|
||||
|
||||
LIBCHECK_EPILOGUE([GL])
|
||||
|
||||
if test "$glut_support" = "yes" -a "$enable_libwebpdemux" = "yes"; then
|
||||
build_vwebp=yes
|
||||
fi
|
||||
])
|
||||
AM_CONDITIONAL([BUILD_VWEBP], [test "$build_vwebp" = "yes"])
|
||||
|
||||
dnl === check for SDL support ===
|
||||
|
||||
AC_ARG_ENABLE([sdl],
|
||||
AS_HELP_STRING([--disable-sdl],
|
||||
[Disable detection of SDL support
|
||||
@<:@default=auto@:>@]))
|
||||
AS_IF([test "x$enable_sdl" != "xno"], [
|
||||
CLEAR_LIBVARS([SDL])
|
||||
AC_PATH_PROGS([LIBSDL_CONFIG], [sdl-config])
|
||||
if test -n "$LIBSDL_CONFIG"; then
|
||||
SDL_INCLUDES=`$LIBSDL_CONFIG --cflags`
|
||||
SDL_LIBS="`$LIBSDL_CONFIG --libs`"
|
||||
fi
|
||||
|
||||
WITHLIB_OPTION([sdl], [SDL])
|
||||
|
||||
sdl_header="no"
|
||||
LIBCHECK_PROLOGUE([SDL])
|
||||
AC_CHECK_HEADER([SDL/SDL.h], [sdl_header="SDL/SDL.h"],
|
||||
[AC_CHECK_HEADER([SDL.h], [sdl_header="SDL.h"],
|
||||
[AC_MSG_WARN(SDL library not available - no sdl.h)])])
|
||||
if test x"$sdl_header" != "xno"; then
|
||||
AC_LANG_PUSH(C)
|
||||
SDL_SAVED_LIBS="$LIBS"
|
||||
for lib in "" "-lSDL" "-lSDLmain -lSDL"; do
|
||||
LIBS="$SDL_SAVED_LIBS $lib"
|
||||
# Perform a full link to ensure SDL_main is resolved if needed.
|
||||
AC_LINK_IFELSE(
|
||||
[AC_LANG_SOURCE([
|
||||
#include <$sdl_header>
|
||||
int main(int argc, char** argv) {
|
||||
SDL_Init(0);
|
||||
return 0;
|
||||
}])],
|
||||
[SDL_LIBS="$LDFLAGS $LIBS"
|
||||
SDL_INCLUDES="$SDL_INCLUDES -DWEBP_HAVE_SDL"
|
||||
AC_DEFINE(WEBP_HAVE_SDL, [1],
|
||||
[Set to 1 if SDL library is installed])
|
||||
sdl_support=yes]
|
||||
)
|
||||
if test x"$sdl_support" = "xyes"; then
|
||||
break
|
||||
fi
|
||||
done
|
||||
# LIBS is restored by LIBCHECK_EPILOGUE
|
||||
AC_LANG_POP
|
||||
if test x"$sdl_header" = "xSDL.h"; then
|
||||
SDL_INCLUDES="$SDL_INCLUDES -DWEBP_HAVE_JUST_SDL_H"
|
||||
fi
|
||||
fi
|
||||
LIBCHECK_EPILOGUE([SDL])
|
||||
|
||||
if test x"$sdl_support" = "xyes"; then
|
||||
build_vwebp_sdl=yes
|
||||
else
|
||||
AC_MSG_WARN(Optional SDL library not found)
|
||||
fi
|
||||
])
|
||||
|
||||
AM_CONDITIONAL([BUILD_VWEBP_SDL], [test "$build_vwebp_sdl" = "yes"])
|
||||
|
||||
dnl === check for PNG support ===
|
||||
|
||||
AC_ARG_ENABLE([png], AS_HELP_STRING([--disable-png],
|
||||
[Disable detection of PNG format support
|
||||
@<:@default=auto@:>@]))
|
||||
AS_IF([test "x$enable_png" != "xno"], [
|
||||
CLEAR_LIBVARS([PNG])
|
||||
AC_PATH_PROGS([LIBPNG_CONFIG],
|
||||
[libpng-config libpng16-config libpng15-config libpng14-config \
|
||||
libpng12-config])
|
||||
if test -n "$LIBPNG_CONFIG"; then
|
||||
PNG_INCLUDES=`$LIBPNG_CONFIG --cflags`
|
||||
PNG_LIBS="`$LIBPNG_CONFIG --ldflags`"
|
||||
fi
|
||||
|
||||
WITHLIB_OPTION([png], [PNG])
|
||||
|
||||
LIBCHECK_PROLOGUE([PNG])
|
||||
AC_CHECK_HEADER(png.h,
|
||||
AC_SEARCH_LIBS(png_get_libpng_ver, [png],
|
||||
[test "$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=""
|
||||
],
|
||||
[$MATH_LIBS]),
|
||||
[AC_MSG_WARN(png library not available - no png.h)
|
||||
PNG_LIBS=""
|
||||
PNG_INCLUDES=""
|
||||
],
|
||||
)
|
||||
LIBCHECK_EPILOGUE([PNG])
|
||||
])
|
||||
|
||||
dnl === check for JPEG support ===
|
||||
|
||||
AC_ARG_ENABLE([jpeg],
|
||||
AS_HELP_STRING([--disable-jpeg],
|
||||
[Disable detection of JPEG format support
|
||||
@<:@default=auto@:>@]))
|
||||
AS_IF([test "x$enable_jpeg" != "xno"], [
|
||||
CLEAR_LIBVARS([JPEG])
|
||||
WITHLIB_OPTION([jpeg], [JPEG])
|
||||
|
||||
LIBCHECK_PROLOGUE([JPEG])
|
||||
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),
|
||||
[$MATH_LIBS]),
|
||||
AC_MSG_WARN(jpeg library not available - no jpeglib.h)
|
||||
)
|
||||
LIBCHECK_EPILOGUE([JPEG])
|
||||
])
|
||||
|
||||
dnl === check for TIFF support ===
|
||||
|
||||
AC_ARG_ENABLE([tiff],
|
||||
AS_HELP_STRING([--disable-tiff],
|
||||
[Disable detection of TIFF format support
|
||||
@<:@default=auto@:>@]))
|
||||
AS_IF([test "x$enable_tiff" != "xno"], [
|
||||
CLEAR_LIBVARS([TIFF])
|
||||
WITHLIB_OPTION([tiff], [TIFF])
|
||||
|
||||
LIBCHECK_PROLOGUE([TIFF])
|
||||
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),
|
||||
[$MATH_LIBS]),
|
||||
AC_MSG_WARN(tiff library not available - no tiffio.h)
|
||||
)
|
||||
LIBCHECK_EPILOGUE([TIFF])
|
||||
])
|
||||
|
||||
dnl === check for GIF support ===
|
||||
|
||||
AC_ARG_ENABLE([gif], AS_HELP_STRING([--disable-gif],
|
||||
[Disable detection of GIF format support
|
||||
@<:@default=auto@:>@]))
|
||||
AS_IF([test "x$enable_gif" != "xno"], [
|
||||
CLEAR_LIBVARS([GIF])
|
||||
WITHLIB_OPTION([gif], [GIF])
|
||||
|
||||
LIBCHECK_PROLOGUE([GIF])
|
||||
AC_CHECK_HEADER(gif_lib.h,
|
||||
AC_CHECK_LIB([gif], [DGifOpenFileHandle],
|
||||
[GIF_LIBS="$GIF_LIBS -lgif"
|
||||
AC_DEFINE(WEBP_HAVE_GIF, [1],
|
||||
[Set to 1 if GIF library is installed])
|
||||
gif_support=yes
|
||||
],
|
||||
AC_MSG_WARN(Optional gif library not found),
|
||||
[$MATH_LIBS]),
|
||||
AC_MSG_WARN(gif library not available - no gif_lib.h)
|
||||
)
|
||||
LIBCHECK_EPILOGUE([GIF])
|
||||
|
||||
if test "$gif_support" = "yes" -a \
|
||||
"$enable_libwebpdemux" = "yes"; then
|
||||
build_anim_diff=yes
|
||||
fi
|
||||
|
||||
if test "$gif_support" = "yes" -a \
|
||||
"$enable_libwebpmux" = "yes"; then
|
||||
build_gif2webp=yes
|
||||
fi
|
||||
])
|
||||
AM_CONDITIONAL([BUILD_ANIMDIFF], [test "${build_anim_diff}" = "yes"])
|
||||
AM_CONDITIONAL([BUILD_GIF2WEBP], [test "${build_gif2webp}" = "yes"])
|
||||
|
||||
if test "$enable_libwebpdemux" = "yes" -a "$enable_libwebpmux" = "yes"; then
|
||||
build_img2webp=yes
|
||||
fi
|
||||
AM_CONDITIONAL([BUILD_IMG2WEBP], [test "${build_img2webp}" = "yes"])
|
||||
|
||||
if test "$enable_libwebpmux" = "yes"; then
|
||||
build_webpinfo=yes
|
||||
fi
|
||||
AM_CONDITIONAL([BUILD_WEBPINFO], [test "${build_webpinfo}" = "yes"])
|
||||
|
||||
dnl === check for WIC support ===
|
||||
|
||||
AC_ARG_ENABLE([wic],
|
||||
AS_HELP_STRING([--disable-wic],
|
||||
[Disable Windows Imaging Component (WIC) detection.
|
||||
@<:@default=auto@:>@]),,
|
||||
[enable_wic=yes])
|
||||
|
||||
case $host_os in
|
||||
mingw*)
|
||||
if test "$enable_wic" = "yes"; 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
|
||||
esac
|
||||
|
||||
dnl === If --enable-swap-16bit-csp is defined, add -DWEBP_SWAP_16BIT_CSP=1
|
||||
|
||||
USE_SWAP_16BIT_CSP=""
|
||||
AC_MSG_CHECKING(if --enable-swap-16bit-csp option is specified)
|
||||
AC_ARG_ENABLE([swap-16bit-csp],
|
||||
AS_HELP_STRING([--enable-swap-16bit-csp],
|
||||
[Enable byte swap for 16 bit colorspaces]))
|
||||
if test "$enable_swap_16bit_csp" = "yes"; then
|
||||
USE_SWAP_16BIT_CSP="-DWEBP_SWAP_16BIT_CSP=1"
|
||||
fi
|
||||
AC_MSG_RESULT(${enable_swap_16bit_csp-no})
|
||||
AC_SUBST(USE_SWAP_16BIT_CSP)
|
||||
|
||||
dnl === If --disable-near-lossless is defined, add -DWEBP_NEAR_LOSSLESS=0
|
||||
|
||||
AC_DEFINE(WEBP_NEAR_LOSSLESS, [1], [Enable near lossless encoding])
|
||||
AC_MSG_CHECKING(if --disable-near-lossless option is specified)
|
||||
AC_ARG_ENABLE([near_lossless],
|
||||
AS_HELP_STRING([--disable-near-lossless],
|
||||
[Disable near lossless encoding]),
|
||||
[], [enable_near_lossless=yes])
|
||||
if test "$enable_near_lossless" = "no"; then
|
||||
AC_DEFINE(WEBP_NEAR_LOSSLESS, [0], [Enable near lossless encoding])
|
||||
AC_MSG_RESULT([yes])
|
||||
else
|
||||
AC_MSG_RESULT([no])
|
||||
fi
|
||||
|
||||
dnl === Check whether libwebpmux should be built
|
||||
AC_MSG_CHECKING(whether libwebpmux is to be built)
|
||||
AC_ARG_ENABLE([libwebpmux],
|
||||
AS_HELP_STRING([--enable-libwebpmux],
|
||||
[Build libwebpmux @<:@default=no@:>@]))
|
||||
AC_MSG_RESULT(${enable_libwebpmux-no})
|
||||
AM_CONDITIONAL([BUILD_MUX], [test "$enable_libwebpmux" = "yes"])
|
||||
|
||||
dnl === Check whether libwebpdemux should be built
|
||||
AC_MSG_CHECKING(whether libwebpdemux is to be built)
|
||||
AC_ARG_ENABLE([libwebpdemux],
|
||||
AS_HELP_STRING([--disable-libwebpdemux],
|
||||
[Disable libwebpdemux @<:@default=no@:>@]),
|
||||
[], [enable_libwebpdemux=yes])
|
||||
AC_MSG_RESULT(${enable_libwebpdemux-no})
|
||||
AM_CONDITIONAL([BUILD_DEMUX], [test "$enable_libwebpdemux" = "yes"])
|
||||
|
||||
dnl === Check whether decoder library should be built.
|
||||
AC_MSG_CHECKING(whether decoder library is to be built)
|
||||
AC_ARG_ENABLE([libwebpdecoder],
|
||||
AS_HELP_STRING([--enable-libwebpdecoder],
|
||||
[Build libwebpdecoder @<:@default=no@:>@]))
|
||||
AC_MSG_RESULT(${enable_libwebpdecoder-no})
|
||||
AM_CONDITIONAL([BUILD_LIBWEBPDECODER], [test "$enable_libwebpdecoder" = "yes"])
|
||||
|
||||
dnl === Check whether libwebpextras should be built
|
||||
AC_MSG_CHECKING(whether libwebpextras is to be built)
|
||||
AC_ARG_ENABLE([libwebpextras],
|
||||
AS_HELP_STRING([--enable-libwebpextras],
|
||||
[Build libwebpextras @<:@default=no@:>@]))
|
||||
AC_MSG_RESULT(${enable_libwebpextras-no})
|
||||
AM_CONDITIONAL([BUILD_EXTRAS], [test "$enable_libwebpextras" = "yes"])
|
||||
|
||||
dnl =========================
|
||||
|
||||
AC_CONFIG_MACRO_DIR([m4])
|
||||
AC_CONFIG_HEADERS([src/webp/config.h])
|
||||
AC_CONFIG_FILES([Makefile src/Makefile man/Makefile \
|
||||
examples/Makefile extras/Makefile imageio/Makefile \
|
||||
src/dec/Makefile src/enc/Makefile src/dsp/Makefile \
|
||||
src/demux/Makefile src/mux/Makefile \
|
||||
src/utils/Makefile \
|
||||
src/libwebp.pc src/libwebpdecoder.pc \
|
||||
src/demux/libwebpdemux.pc src/mux/libwebpmux.pc])
|
||||
|
||||
|
||||
AC_OUTPUT
|
||||
|
||||
AC_MSG_NOTICE([
|
||||
WebP Configuration Summary
|
||||
--------------------------
|
||||
|
||||
Shared libraries: ${enable_shared}
|
||||
Static libraries: ${enable_static}
|
||||
Threading support: ${enable_threading-no}
|
||||
libwebp: yes
|
||||
libwebpdecoder: ${enable_libwebpdecoder-no}
|
||||
libwebpdemux: ${enable_libwebpdemux-no}
|
||||
libwebpmux: ${enable_libwebpmux-no}
|
||||
libwebpextras: ${enable_libwebpextras-no}
|
||||
|
||||
Tools:
|
||||
cwebp : ${enable_libwebpdemux-no}
|
||||
Input format support
|
||||
====================
|
||||
JPEG : ${jpeg_support-no}
|
||||
PNG : ${png_support-no}
|
||||
TIFF : ${tiff_support-no}
|
||||
WIC : ${wic_support-no}
|
||||
dwebp : ${enable_libwebpdemux-no}
|
||||
Output format support
|
||||
=====================
|
||||
PNG : ${png_support-no}
|
||||
WIC : ${wic_support-no}
|
||||
GIF support : ${gif_support-no}
|
||||
anim_diff : ${build_anim_diff-no}
|
||||
gif2webp : ${build_gif2webp-no}
|
||||
img2webp : ${build_img2webp-no}
|
||||
webpmux : ${enable_libwebpmux-no}
|
||||
vwebp : ${build_vwebp-no}
|
||||
webpinfo : ${build_webpinfo-no}
|
||||
SDL support : ${sdl_support-no}
|
||||
vwebp_sdl : ${build_vwebp_sdl-no}
|
||||
])
|
||||
Reference in New Issue
Block a user