mirror of
https://github.com/RPCS3/soundtouch.git
synced 2024-11-08 20:12:27 +01:00
262 lines
9.1 KiB
Plaintext
262 lines
9.1 KiB
Plaintext
dnl This file is part of SoundTouch, an audio processing library for pitch/time adjustments
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dnl
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dnl SoundTouch is free software; you can redistribute it and/or modify it under the
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dnl terms of the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any later
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dnl version.
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dnl
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dnl SoundTouch is distributed in the hope that it will be useful, but WITHOUT ANY
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dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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dnl FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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dnl details.
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dnl
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dnl You should have received a copy of the GNU General Public License along with
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dnl this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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dnl Place - Suite 330, Boston, MA 02111-1307, USA
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# Process this file with autoconf to produce a configure script.
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AC_INIT([SoundTouch], [2.1.2], [http://www.surina.net/soundtouch])
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dnl Default to libSoundTouch.so.$LIB_SONAME.0.0
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LIB_SONAME=1
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AC_SUBST(LIB_SONAME)
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AC_CONFIG_AUX_DIR(config)
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AC_CONFIG_MACRO_DIR([config/m4])
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AM_CONFIG_HEADER([config.h include/soundtouch_config.h])
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AM_INIT_AUTOMAKE
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AM_SILENT_RULES([yes])
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#AC_DISABLE_SHARED dnl This makes libtool only build static libs
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AC_DISABLE_STATIC dnl This makes libtool only build shared libs
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#AC_GNU_SOURCE dnl enable posix extensions in glibc
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AC_LANG(C++)
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# Set AR_FLAGS to avoid build warning "ar: `u' modifier ignored since `D' is the default (see `U')"
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AR_FLAGS='cr'
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dnl ############################################################################
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dnl # Checks for programs #
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dnl ############################################################################
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AC_PROG_CXX
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#AC_PROG_AWK
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_CXXCPP
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AC_PROG_INSTALL
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#AC_PROG_LN_S
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AC_PROG_MAKE_SET
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AM_PROG_LIBTOOL dnl turn on using libtool
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dnl ############################################################################
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dnl # Checks for header files #
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dnl ############################################################################
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AC_HEADER_STDC
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#AC_HEADER_SYS_WAIT
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# add any others you want to check for here
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AC_CHECK_HEADERS([cpuid.h])
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if test "x$ac_cv_header_cpuid_h" = "xno"; then
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AC_MSG_WARN([The cpuid.h file was not found therefore the x86 optimizations will be disabled.])
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AC_MSG_WARN([If using a x86 architecture and optimizations are desired then please install gcc (>= 4.3).])
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AC_MSG_WARN([If using a non-x86 architecture then this is expected and can be ignored.])
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fi
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dnl ############################################################################
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dnl # Checks for typedefs, structures, and compiler characteristics $
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dnl ############################################################################
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AC_C_CONST
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AC_C_INLINE
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#AC_TYPE_OFF_T
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#AC_TYPE_SIZE_T
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AC_ARG_ENABLE(integer-samples,
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[AC_HELP_STRING([--enable-integer-samples],
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[use integer samples instead of floats
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[default=no]])],,
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[enable_integer_samples=no])
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AC_ARG_ENABLE(openmp,
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[AC_HELP_STRING([--enable-openmp],
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[use parallel multicore calculation through OpenMP [default=no]])],,
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[enable_openmp=no])
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# Let the user enable/disable the x86 optimizations.
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# Useful when compiling on non-x86 architectures.
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AC_ARG_ENABLE([x86-optimizations],
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[AS_HELP_STRING([--enable-x86-optimizations],
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[use MMX or SSE optimization
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[default=yes]])],[enable_x86_optimizations="${enableval}"],
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[enable_x86_optimizations=yes])
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# Tell the Makefile.am if the user wants to disable optimizations.
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# Makefile.am will enable them by default if support is available.
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# Note: We check if optimizations are supported a few lines down.
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AM_CONDITIONAL([X86_OPTIMIZATIONS], [test "x$enable_x86_optimizations" = "xyes"])
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if test "x$enable_integer_samples" = "xyes"; then
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echo "****** Integer sample type enabled ******"
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AC_DEFINE(SOUNDTOUCH_INTEGER_SAMPLES,1,[Use Integer as Sample type])
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else
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echo "****** Float sample type enabled ******"
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AC_DEFINE(SOUNDTOUCH_FLOAT_SAMPLES,1,[Use Float as Sample type])
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fi
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if test "x$enable_openmp" = "xyes"; then
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echo "****** openmp optimizations enabled ******"
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AM_CXXFLAGS="-fopenmp $AM_CXXFLAGS"
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else
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echo "****** openmp optimizations disabled ******"
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fi
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# Check if optimizations are supported in the system at build time.
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if test "x$enable_x86_optimizations" = "xyes" -a "x$ac_cv_header_cpuid_h" = "xyes"; then
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echo "****** x86 optimizations enabled ******"
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original_saved_CXXFLAGS=$CXXFLAGS
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have_mmx_intrinsics=no
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CXXFLAGS="-mmmx -Winline $CXXFLAGS"
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# Check if the user can compile MMX code using intrinsics.
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# GCC supports MMX intrinsics since version 3.3
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# A more recent GCC (>= 4.3) is recommended.
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3))
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#error "Need GCC >= 3.3 for MMX intrinsics"
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#endif
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#include <mmintrin.h>
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int main () {
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__m64 loop = _mm_cvtsi32_si64 (1);
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return _mm_cvtsi64_si32 (loop);
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}]])],[have_mmx_intrinsics=yes])
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CXXFLAGS=$original_saved_CXXFLAGS
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# Inform the user if we did or did not find MMX support.
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#
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# If we enable optimization and integer samples we only require MMX.
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# Disable optimizations in the SSTypes.h file if this is not the case.
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if test "x$have_mmx_intrinsics" = "xyes" ; then
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echo "****** MMX support found ******"
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else
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echo "****** No MMX support found ******"
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if test "x$enable_integer_samples" = "xyes"; then
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echo "****** Disabling optimizations. Using integer samples with no MMX support ******"
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CPPFLAGS="-DSOUNDTOUCH_DISABLE_X86_OPTIMIZATIONS $CPPFLAGS"
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fi
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fi
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# SSE support
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original_saved_CXXFLAGS=$CXXFLAGS
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have_sse_intrinsics=no
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CXXFLAGS="-msse -Winline $CXXFLAGS"
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# Check if the user can compile SSE code using intrinsics.
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# GCC supports SSE intrinsics since version 3.3
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# A more recent GCC (>= 4.3) is recommended.
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3))
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#error "Need GCC >= 3.3 for SSE intrinsics"
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#endif
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#include <xmmintrin.h>
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int main () {
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_mm_setzero_ps();
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return 0;
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}]])],[have_sse_intrinsics=yes])
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CXXFLAGS=$original_saved_CXXFLAGS
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# Inform the user if we did or did not find SSE support.
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#
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# If we enable optimization and float samples we only require SSE.
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# Disable optimizations in the SSTypes.h file if this is not the case.
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if test "x$have_sse_intrinsics" = "xyes" ; then
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echo "****** SSE support found ******"
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else
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echo "****** No SSE support found ******"
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if test "x$enable_integer_samples" != "xyes"; then
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echo "****** Disabling optimizations. Using float samples with no SSE support ******"
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CPPFLAGS="-DSOUNDTOUCH_DISABLE_X86_OPTIMIZATIONS $CPPFLAGS"
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fi
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fi
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else
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# Disable optimizations in SSTypes.h since the user requested it.
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echo "****** x86 optimizations disabled ******"
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CPPFLAGS="-DSOUNDTOUCH_DISABLE_X86_OPTIMIZATIONS $CPPFLAGS"
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fi
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# Set AM_CXXFLAGS
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AC_SUBST([AM_CXXFLAGS], [$AM_CXXFLAGS])
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# Empty default CXXFLAGS so user can set them if desirable
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#AC_SUBST([CXXFLAGS], [ ])
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# SSTypes.h by default enables optimizations. Those already got disabled if
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# the user requested for it or if the system does not support them.
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#
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# Now tell the Makefile.am the optimizations that are supported.
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# Note:
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# Makefile.am already knows if the user asked for optimizations. We apply
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# optimizations by default (if support is available) and then disable all of
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# them if the user requested it.
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AM_CONDITIONAL([HAVE_MMX], [test "x$have_mmx_intrinsics" = "xyes"])
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AM_CONDITIONAL([HAVE_SSE], [test "x$have_sse_intrinsics" = "xyes"])
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dnl ############################################################################
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dnl # Checks for library functions/classes #
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dnl ############################################################################
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AC_FUNC_MALLOC
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AC_TYPE_SIGNAL
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dnl make -lm get added to the LIBS
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AC_CHECK_LIB(m, sqrt,,AC_MSG_ERROR([compatible libc math library not found]))
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dnl add whatever functions you might want to check for here
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#AC_CHECK_FUNCS([floor ftruncate memmove memset mkdir modf pow realpath sqrt strchr strdup strerror strrchr strstr strtol])
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dnl ############################################################################
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dnl # Internationaliation and Localiation #
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dnl ############################################################################
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#AM_GNU_GETTEXT_VERSION([0.11.5])
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#AM_GNU_GETTEXT([external])
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dnl ############################################################################
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dnl # Final #
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dnl ############################################################################
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AC_CONFIG_FILES([
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Makefile
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source/Makefile
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source/SoundTouch/Makefile
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source/SoundStretch/Makefile
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include/Makefile
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])
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AC_OUTPUT(
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soundtouch.pc
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)
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dnl use 'echo' to put stuff here if you want a message to the builder
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