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							- dnl Process this file with autoconf to produce a configure script. -*-m4-*-
 - 
 - AC_INIT([speexdsp],[1.2rc3],[speex-dev@xiph.org])
 - 
 - AC_CONFIG_SRCDIR([libspeexdsp/preprocess.c])
 - AC_CONFIG_MACRO_DIR([m4])
 - 
 - dnl enable silent rules on automake 1.11 and later
 - m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 - 
 - 
 - SPEEXDSP_LT_CURRENT=6
 - SPEEXDSP_LT_REVISION=0
 - SPEEXDSP_LT_AGE=5
 - 
 - 
 - AC_SUBST(SPEEXDSP_LT_CURRENT)
 - AC_SUBST(SPEEXDSP_LT_REVISION)
 - AC_SUBST(SPEEXDSP_LT_AGE)
 - 
 - AM_INIT_AUTOMAKE([foreign no-define])
 - AM_MAINTAINER_MODE([enable])
 - 
 - AC_CANONICAL_HOST
 - AC_LIBTOOL_WIN32_DLL
 - AM_PROG_LIBTOOL
 - 
 - AC_C_BIGENDIAN
 - AC_C_CONST
 - AC_C_INLINE
 - AC_C_RESTRICT
 - 
 - 
 - AC_MSG_CHECKING(for C99 variable-size arrays)
 - AC_TRY_COMPILE( , [
 - int foo;
 - foo = 10;
 - int array[foo];
 - ],
 - [has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
 - ],
 - has_var_arrays=no
 - )
 - AC_MSG_RESULT($has_var_arrays)
 - 
 - AC_CHECK_HEADERS([alloca.h getopt.h])
 - AC_MSG_CHECKING(for alloca)
 - AC_TRY_COMPILE( [
 - #ifdef HAVE_ALLOCA_H
 - # include <alloca.h>
 - #endif
 - #include <stdlib.h>
 - ], [
 - int foo=10;
 - int *array = alloca(foo);
 - ],
 - [
 - has_alloca=yes;
 - if test x$has_var_arrays = "xno" ; then
 - AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
 - fi
 - ],
 - has_alloca=no
 - )
 - AC_MSG_RESULT($has_alloca)
 - 
 - AC_MSG_CHECKING(for SSE in current arch/CFLAGS)
 - AC_LINK_IFELSE([
 - AC_LANG_PROGRAM([[
 - #include <xmmintrin.h>
 - __m128 testfunc(float *a, float *b) {
 -   return _mm_add_ps(_mm_loadu_ps(a), _mm_loadu_ps(b));
 - }
 - ]])],
 - [
 - has_sse=yes
 - ],
 - [
 - has_sse=no
 - ]
 - )
 - AC_MSG_RESULT($has_sse)
 - 
 - AC_MSG_CHECKING(for SSE2 in current arch/CFLAGS)
 - AC_LINK_IFELSE([
 - AC_LANG_PROGRAM([[
 - #include <emmintrin.h>
 - __m128d testfunc(double *a, double *b) {
 -   return _mm_add_pd(_mm_loadu_pd(a), _mm_loadu_pd(b));
 - }
 - ]])],
 - [
 - has_sse2=yes
 - ],
 - [
 - has_sse2=no
 - ]
 - )
 - AC_MSG_RESULT($has_sse2)
 - 
 - AC_MSG_CHECKING(for NEON in current arch/CFLAGS)
 - AC_LINK_IFELSE([
 - AC_LANG_PROGRAM([[
 - #include <arm_neon.h>
 - int32x4_t testfunc(int16_t *a, int16_t *b) {
 -       return vmull_s16(vld1_s16(a), vld1_s16(b));
 - }
 - ]])],
 - [
 - has_neon=yes
 - ],
 - [
 - has_neon=no
 - ]
 - )
 - AC_MSG_RESULT($has_neon)
 - 
 - SAVE_CFLAGS="$CFLAGS"
 - CFLAGS="$CFLAGS -fvisibility=hidden"
 - AC_MSG_CHECKING(for ELF visibility)
 - AC_COMPILE_IFELSE([
 - AC_LANG_PROGRAM([[
 - #pragma GCC visibility push(hidden)
 - __attribute__((visibility("default")))
 - int var=10;
 - ]])],
 - [
 - has_visibility=yes
 - AC_DEFINE([EXPORT], [__attribute__((visibility("default")))], [Symbol visibility prefix])
 - ],
 - [
 - has_visibility=no
 - AC_DEFINE([EXPORT], [], [Symbol visibility prefix])
 - CFLAGS="$SAVE_CFLAGS"
 - ]
 - )
 - AC_MSG_RESULT($has_visibility)
 - 
 - AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h)
 - 
 - AC_SUBST(src)
 - 
 - LT_LIB_M
 - 
 - 
 - AC_ARG_ENABLE(valgrind, [  --enable-valgrind       Enable valgrind extra checks],
 - [if test "$enableval" = yes; then
 -   AC_DEFINE([ENABLE_VALGRIND], , [Enable valgrind extra checks])
 - fi])
 - 
 - AC_ARG_ENABLE(sse, [  --enable-sse            Enable SSE support], [
 - if test "x$enableval" != xno; then
 - has_sse=yes
 - has_sse2=yes
 - CFLAGS="$CFLAGS -O3 -msse -msse2"
 - else
 - has_sse=no
 - has_sse2=no
 - fi
 - ])
 - 
 - AC_ARG_ENABLE(neon, [  --enable-neon           Enable NEON support], [
 - if test "x$enableval" != xno; then
 - has_neon=yes
 - CFLAGS="$CFLAGS -O3 -march=armv7-a -mfpu=neon"
 - else
 - has_neon=no
 - fi
 - ])
 - 
 - 
 - FFT=smallft
 - 
 - AC_ARG_ENABLE(fixed-point, [  --enable-fixed-point    Compile as fixed-point],
 - [if test "$enableval" = yes; then
 -   FFT=kiss
 -   has_sse=no
 -   AC_DEFINE([FIXED_POINT], , [Compile as fixed-point])
 - else
 -   AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
 - fi],
 - AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
 - 
 - if test "$has_sse" = yes; then
 -   AC_DEFINE([_USE_SSE], , [Enable SSE support])
 - fi
 - 
 - if test "$has_neon" = yes; then
 -   AC_DEFINE([_USE_NEON], , [Enable NEON support])
 - fi
 - 
 - if test "$has_sse2" = yes; then
 -   AC_DEFINE([_USE_SSE2], , [Enable SSE2 support])
 - fi
 - 
 - AC_ARG_ENABLE(float-api, [  --disable-float-api     Disable the floating-point API],
 - [if test "$enableval" = no; then
 -   AC_DEFINE([DISABLE_FLOAT_API], , [Disable all parts of the API that are using floats])
 - fi])
 - 
 - AC_ARG_ENABLE(examples, [  --disable-examples      Do not build example programs, only the library])
 - if test "$enableval" != no; then
 -   AM_CONDITIONAL([BUILD_EXAMPLES], true)
 - else
 -   AM_CONDITIONAL([BUILD_EXAMPLES], false)
 - fi
 - 
 - AC_ARG_ENABLE(arm4-asm, [  --enable-arm4-asm       Make use of ARM4 assembly optimizations],
 - [if test "$enableval" = yes; then
 -   AC_DEFINE([ARM4_ASM], , [Make use of ARM4 assembly optimizations])
 - fi])
 - 
 - AC_ARG_ENABLE(arm5e-asm, [  --enable-arm5e-asm      Make use of ARM5E assembly optimizations],
 - [if test "$enableval" = yes; then
 -   AC_DEFINE([ARM5E_ASM], , [Make use of ARM5E assembly optimizations])
 - fi])
 - 
 - AC_ARG_ENABLE(blackfin-asm, [  --enable-blackfin-asm   Make use of Blackfin assembly optimizations],
 - [if test "$enableval" = yes; then
 -   AC_DEFINE([BFIN_ASM], , [Make use of Blackfin assembly optimizations])
 - fi])
 - case $host_os in
 -   uclinux) LDFLAGS="-Wl,-elf2flt=-s100000 $LDFLAGS";;
 - esac
 - 
 - AC_ARG_ENABLE(fixed-point-debug, [  --enable-fixed-point-debug  Debug fixed-point implementation],
 - [if test "$enableval" = yes; then
 -   AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
 - fi])
 - 
 - AC_ARG_ENABLE(resample-full-sinc-table, [  --enable-resample-full-sinc-table Resample full SINC table (no interpolation)],
 - [if test "$enableval" = yes; then
 -   AC_DEFINE([RESAMPLE_FULL_SINC_TABLE], , [Resample with full SINC table (no interpolation)])
 - fi])
 - 
 - AC_ARG_ENABLE(ti-c55x, [  --enable-ti-c55x        Enable support for TI C55X DSP],
 - [if test "$enableval" = yes; then
 -   has_char16=yes;
 -   AC_DEFINE([TI_C55X], , [Enable support for TI C55X DSP])
 - fi])
 - 
 - AC_ARG_WITH([fft], [AS_HELP_STRING([--with-fft=choice],[use an alternate FFT implementation. The available choices are
 - kiss (default fixed point), smallft (default floating point), gpl-fftw3 and proprietary-intel-mkl])],
 - [FFT=$withval]
 - )
 - 
 - FFT_PKGCONFIG=
 - AS_CASE([$FFT],
 -  [kiss], [
 -   AC_DEFINE([USE_KISS_FFT], [], [Use KISS Fast Fourier Transform])
 -  ],
 -  [smallft], [
 -   AC_DEFINE([USE_SMALLFT], [], [Use FFT from OggVorbis])
 -  ],
 -  [gpl-fftw3], [
 -   AC_DEFINE([USE_GPL_FFTW3], [], [Use FFTW3 for FFT])
 -   PKG_CHECK_MODULES([FFT], [fftw3f])
 -  ],
 -  [proprietary-intel-mkl], [
 -   AC_DEFINE([USE_INTEL_MKL], [], [Use Intel Math Kernel Library for FFT])
 -   AC_MSG_CHECKING(for valid MKL)
 -   AC_LINK_IFELSE([
 -    AC_LANG_PROGRAM([[
 - #include <mkl.h>
 - void func() {
 -   DFTI_DESCRIPTOR_HANDLE h;
 -   MKL_LONG result=DftiCreateDescriptor(&h, DFTI_SINGLE, DFTI_REAL, 0);
 - }]])],
 -    [AC_MSG_RESULT(yes)],
 -    [AC_MSG_FAILURE([Failed to compile MKL test program. Make sure you set CFLAGS to include the include directory and set LDFLAGS to include the library directory and all necesarry libraries.])]
 -   )
 -  ],
 -  [AC_MSG_FAILURE([Unknown FFT $FFT specified for --with-fft])]
 - )
 - AM_CONDITIONAL(BUILD_KISS_FFT, [test "$FFT" = "kiss"])
 - AM_CONDITIONAL(BUILD_SMALLFT, [test "$FFT" = "smallft"])
 - AC_SUBST(FFT_PKGCONFIG)
 - 
 - 
 - AC_CHECK_SIZEOF([int16_t])
 - AC_CHECK_SIZEOF([uint16_t])
 - AC_CHECK_SIZEOF([u_int16_t])
 - AC_CHECK_SIZEOF([int32_t])
 - AC_CHECK_SIZEOF([uint32_t])
 - AC_CHECK_SIZEOF([u_int32_t])
 - AC_CHECK_SIZEOF([short])
 - AC_CHECK_SIZEOF([int])
 - AC_CHECK_SIZEOF([long])
 - 
 - AS_IF([test "$has_char16" = "yes"],
 -   [
 -    SIZEOF16=1
 -    SIZEOF32=2
 -   ],[
 -    SIZEOF16=2
 -    SIZEOF32=4
 -   ])
 - 
 - case $SIZEOF16 in
 -     $ac_cv_sizeof_int16_t) SIZE16="int16_t";;
 -     $ac_cv_sizeof_short) SIZE16="short";;
 -     $ac_cv_sizeof_int) SIZE16="int";;
 - esac
 - 
 - case $SIZEOF16 in
 -     $ac_cv_sizeof_uint16_t) USIZE16="uint16_t";;
 -     $ac_cv_sizeof_u_int16_t) USIZE16="u_int16_t";;
 -     $ac_cv_sizeof_short) USIZE16="unsigned short";;
 -     $ac_cv_sizeof_int) USIZE16="unsigned int";;
 - esac
 - 
 - case $SIZEOF32 in
 -     $ac_cv_sizeof_int32_t) SIZE32="int32_t";;
 -     $ac_cv_sizeof_int) SIZE32="int";;
 -     $ac_cv_sizeof_long) SIZE32="long";;
 -     $ac_cv_sizeof_short) SIZE32="short";;
 - esac
 - 
 - case $SIZEOF32 in
 -     $ac_cv_sizeof_uint32_t) USIZE32="uint32_t";;
 -     $ac_cv_sizeof_u_int32_t) USIZE32="u_int32_t";;
 -     $ac_cv_sizeof_short) USIZE32="unsigned short";;
 -     $ac_cv_sizeof_int) USIZE32="unsigned int";;
 -     $ac_cv_sizeof_long) USIZE32="unsigned long";;
 - esac
 - 
 - AS_IF([test -z "$SIZE16"],[AC_MSG_ERROR([No 16 bit type found on this platform!])])
 - AS_IF([test -z "$SIZE32"],[AC_MSG_ERROR([No 32 bit type found on this platform!])])
 - AS_IF([test -z "$USIZE16"],[AC_MSG_ERROR([No unsigned 16 bit type found on this platform!])])
 - AS_IF([test -z "$USIZE32"],[AC_MSG_ERROR([No unsigned 32 bit type found on this platform!])])
 - 
 - AC_SUBST([SIZE16])
 - AC_SUBST([USIZE16])
 - AC_SUBST([SIZE32])
 - AC_SUBST([USIZE32])
 - 
 - AC_CONFIG_FILES([
 -            Makefile libspeexdsp/Makefile doc/Makefile SpeexDSP.spec
 -            include/Makefile include/speex/Makefile speexdsp.pc
 -            win32/Makefile win32/libspeexdsp/Makefile
 -            symbian/Makefile 
 - 
 -            win32/VS2003/Makefile
 -            win32/VS2003/libspeexdsp/Makefile
 -            win32/VS2003/tests/Makefile
 - 
 -            win32/VS2005/Makefile
 -            win32/VS2005/libspeexdsp/Makefile
 -            win32/VS2005/tests/Makefile
 - 
 -            win32/VS2008/Makefile
 -            win32/VS2008/libspeexdsp/Makefile
 -            win32/VS2008/tests/Makefile
 -            include/speex/speexdsp_config_types.h ti/Makefile 
 - 	   ti/speex_C54_test/Makefile ti/speex_C55_test/Makefile
 - 	   ti/speex_C64_test/Makefile ])
 - 
 - AC_CONFIG_HEADERS([config.h])
 - 
 - AC_OUTPUT
 - 
 - echo "Type \"make; make install\" to compile and install Speex";
 
 
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