Built SDL2_image and _mixer static
This commit is contained in:
301
libsdl2_mixer/external/opus-1.0.3/configure.ac
vendored
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301
libsdl2_mixer/external/opus-1.0.3/configure.ac
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@ -0,0 +1,301 @@
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dnl Process this file with autoconf to produce a configure script. -*-m4-*-
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dnl The package_version file will be automatically synced to the git revision
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dnl by the update_version script when configured in the repository, but will
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dnl remain constant in tarball releases unless it is manually edited.
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m4_define([CURRENT_VERSION],
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m4_esyscmd([ if test -e package_version || ./update_version; then
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. ./package_version
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printf "$PACKAGE_VERSION"
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else
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printf "unknown"
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fi ]))
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AC_INIT([opus],[CURRENT_VERSION],[opus@xiph.org])
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AC_CONFIG_SRCDIR(src/opus_encoder.c)
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dnl enable silent rules on automake 1.11 and later
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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# For libtool.
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dnl Please update these for releases.
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OPUS_LT_CURRENT=4
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OPUS_LT_REVISION=0
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OPUS_LT_AGE=4
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AC_SUBST(OPUS_LT_CURRENT)
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AC_SUBST(OPUS_LT_REVISION)
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AC_SUBST(OPUS_LT_AGE)
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AM_INIT_AUTOMAKE([no-define])
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AM_MAINTAINER_MODE([enable])
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AC_CANONICAL_HOST
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AC_MINGW32
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AM_PROG_LIBTOOL
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AM_PROG_CC_C_O
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AC_PROG_CC_C99
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AC_C_CONST
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AC_C_INLINE
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#Use a hacked up version of autoconf's AC_C_RESTRICT because it's not
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#strong enough a test to detect old buggy versions of GCC (e.g. 2.95.3)
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AC_CACHE_CHECK([for C/C++ restrict keyword], ac_cv_c_restrict,
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[ac_cv_c_restrict=no
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# The order here caters to the fact that C++ does not require restrict.
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for ac_kw in __restrict __restrict__ _Restrict restrict; do
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[typedef int * int_ptr;
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int foo (int_ptr $ac_kw ip, int * $ac_kw baz[]) {
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return ip[0];
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}]],
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[[int s[1];
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int * $ac_kw t = s;
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t[0] = 0;
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return foo(t, (void *)0)]])],
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[ac_cv_c_restrict=$ac_kw])
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test "$ac_cv_c_restrict" != no && break
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done
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])
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AH_VERBATIM([restrict],
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[/* Define to the equivalent of the C99 'restrict' keyword, or to
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nothing if this is not supported. Do not define if restrict is
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supported directly. */
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#undef restrict
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/* Work around a bug in Sun C++: it does not support _Restrict or
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__restrict__, even though the corresponding Sun C compiler ends up with
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"#define restrict _Restrict" or "#define restrict __restrict__" in the
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previous line. Perhaps some future version of Sun C++ will work with
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restrict; if so, hopefully it defines __RESTRICT like Sun C does. */
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#if defined __SUNPRO_CC && !defined __RESTRICT
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# define _Restrict
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# define __restrict__
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#endif])
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case $ac_cv_c_restrict in
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restrict) ;;
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no) AC_DEFINE([restrict], []) ;;
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*) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
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esac
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AC_DEFINE([OPUS_BUILD], [], [This is a build of OPUS])
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AC_MSG_CHECKING(for C99 variable-size arrays)
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AC_TRY_COMPILE( [], [static int x; char a[++x]; a[sizeof a - 1] = 0; int N; return a[0];],
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[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
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],
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has_var_arrays=no
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)
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AC_MSG_RESULT($has_var_arrays)
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AC_CHECK_HEADERS([alloca.h getopt.h])
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AC_MSG_CHECKING(for alloca)
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AC_TRY_COMPILE( [#include <alloca.h>], [
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int foo=10;
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int *array = alloca(foo);
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],
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[
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has_alloca=yes;
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if test x$has_var_arrays = "xno" ; then
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AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
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fi
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],
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has_alloca=no
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)
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AC_MSG_RESULT($has_alloca)
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AC_CHECK_FUNC(exp,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
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if test x"$fp_libm_not_needed" = xdunno; then
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AC_CHECK_LIB([m], [exp], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
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fi
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AC_SUBST([LIBM])
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has_float_approx=no
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#case "$host_cpu" in
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#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64)
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# has_float_approx=yes
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# ;;
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#esac
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ac_enable_fixed="no";
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ac_enable_float="yes";
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AC_ARG_ENABLE(fixed-point, [ --enable-fixed-point compile without floating point (for machines without a fast enough FPU)],
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[if test "$enableval" = yes; then
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ac_enable_fixed="yes";
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ac_enable_float="no";
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AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point (for machines without a fast enough FPU)])
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fi])
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ac_enable_fixed_debug="no"
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AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug debug fixed-point implementation],
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[if test "$enableval" = yes; then
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ac_enable_fixed_debug="yes"
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AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
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fi])
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ac_enable_custom_modes="no"
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AC_ARG_ENABLE(custom-modes, [ --enable-custom-modes enable non-Opus modes, e.g. 44.1 kHz & 2^n frames],
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[if test "$enableval" = yes; then
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ac_enable_custom_modes="yes"
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AC_DEFINE([CUSTOM_MODES], , [Custom modes])
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fi])
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float_approx=$has_float_approx
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AC_ARG_ENABLE(float-approx, [ --enable-float-approx enable fast approximations for floating point],
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[ if test "$enableval" = yes; then
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AC_WARN([Floating point approximations are not supported on all platforms.])
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float_approx=yes
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else
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float_approx=no
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fi], [ float_approx=$has_float_approx ])
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if test "x${float_approx}" = "xyes"; then
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AC_DEFINE([FLOAT_APPROX], , [Float approximations])
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fi
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ac_enable_assertions="no"
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AC_ARG_ENABLE(assertions, [ --enable-assertions enable additional software error checking],
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[if test "$enableval" = yes; then
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ac_enable_assertions="yes"
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AC_DEFINE([ENABLE_ASSERTIONS], , [Assertions])
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fi])
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ac_enable_fuzzing="no"
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AC_ARG_ENABLE(fuzzing, [ --enable-fuzzing causes the encoder to make random decisions],
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[if test "$enableval" = yes; then
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ac_enable_fuzzing="yes"
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AC_DEFINE([FUZZING], , [Fuzzing])
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fi])
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ac_enable_doc="yes"
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AC_ARG_ENABLE([doc],
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AS_HELP_STRING([--disable-doc], [Do not build API documentation]),
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[ac_enable_doc=$enableval])
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AC_CHECK_PROG(HAVE_DOXYGEN, [doxygen], [yes], [no])
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if test "$HAVE_DOXYGEN" != "yes" -o "$ac_enable_doc" != "yes"; then
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HAVE_DOXYGEN="false"
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ac_enable_doc="no"
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fi
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AM_CONDITIONAL(HAVE_DOXYGEN, [test $HAVE_DOXYGEN = yes])
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ac_enable_encoder="no";
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AC_ARG_ENABLE(encoder, [ --enable-encoder compile with encoder support],
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[if test "$enableval" = yes; then
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ac_enable_encoder="yes";
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AC_DEFINE([OPUS_ENABLE_ENCODER], [1], [Compile with encoder support])
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fi])
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fvisibility=hidden"
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AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
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[ AC_MSG_RESULT([yes])
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SYMBOL_VISIBILITY="-fvisibility=hidden" ],
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AC_MSG_RESULT([no]))
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CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY"
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AC_SUBST(SYMBOL_VISIBILITY)
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CFLAGS="$CFLAGS -W"
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes"
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AC_MSG_CHECKING([if ${CC} supports -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
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[ AC_MSG_RESULT([yes])
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EXTRA_WARNS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes" ],
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AC_MSG_RESULT([no]))
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CFLAGS="$saved_CFLAGS $EXTRA_WARNS"
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AC_CHECK_FUNCS([lrintf])
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AC_CHECK_FUNCS([lrint])
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AC_CHECK_FUNCS([__malloc_hook])
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AC_CHECK_SIZEOF(short)
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(long long)
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if test x$has_char16 = "xyes" ; then
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case 1 in
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$ac_cv_sizeof_short) SIZE16="short";;
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$ac_cv_sizeof_int) SIZE16="int";;
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esac
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else
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case 2 in
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$ac_cv_sizeof_short) SIZE16="short";;
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$ac_cv_sizeof_int) SIZE16="int";;
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esac
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fi
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if test x$has_char16 = "xyes" ; then
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case 2 in
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$ac_cv_sizeof_int) SIZE32="int";;
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$ac_cv_sizeof_long) SIZE32="long";;
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$ac_cv_sizeof_short) SIZE32="short";;
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esac
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else
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case 4 in
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$ac_cv_sizeof_int) SIZE32="int";;
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$ac_cv_sizeof_long) SIZE32="long";;
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$ac_cv_sizeof_short) SIZE32="short";;
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esac
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fi
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AC_SUBST(SIZE16)
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AC_SUBST(SIZE32)
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AM_CONDITIONAL([FIXED_POINT], [test x$ac_enable_fixed = xyes])
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AM_CONDITIONAL([CUSTOM_MODES], [test x$ac_enable_custom_modes = xyes])
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AM_CONDITIONAL([USE_ENCODER], [test x$ac_enable_encoder = xyes])
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dnl subsitutions for the pkg-config files
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if test x$ac_enable_float = xyes; then
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PC_BUILD="floating-point"
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PC_LIBM=$LIBM
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else
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PC_BUILD="fixed-point"
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PC_LIBM=
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fi
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dnl opus_custom requires libm as well
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if test x$ac_enable_custom_modes = xyes; then
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PC_BUILD="${PC_BUILD}, custom modes"
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PC_LIBM=$LIBM
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fi
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AC_SUBST([PC_BUILD])
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AC_SUBST([PC_LIBM])
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AC_CONFIG_FILES([Makefile opus.pc opus-uninstalled.pc
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doc/Makefile doc/Doxyfile])
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AC_CONFIG_HEADERS([config.h])
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AC_OUTPUT
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AC_MSG_RESULT([
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------------------------------------------------------------------------
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$PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.
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Compiler support:
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C99 var arrays: ................ ${has_var_arrays}
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C99 lrintf: .................... ${ac_cv_func_lrintf}
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Alloca: ........................ ${has_alloca}
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General configuration:
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Floating point support: ........ ${ac_enable_float}
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Fast float approximations: ..... ${float_approx}
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Fixed point debugging: ......... ${ac_enable_fixed_debug}
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Encoder support: ............... ${ac_enable_encoder}
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Custom modes: .................. ${ac_enable_custom_modes}
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Assertion checking: ............ ${ac_enable_assertions}
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Fuzzing: ....................... ${ac_enable_fuzzing}
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API documentation: ............. ${ac_enable_doc}
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------------------------------------------------------------------------
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])
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echo "Type \"make; make install\" to compile and install";
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echo "Type \"make check\" to run the test suite";
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