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AC_INIT(libdvbcsa, 1.1.0)
AC_PREREQ(2.50)
AC_ARG_ENABLE(debug, AC_HELP_STRING(--enable-debug, [Enable debug]), enable_debug=$enableval, enable_debug=no)
if test "$enable_debug" = "yes" ; then
GCC_CFLAGS="$CFLAGS -g -DDVBCSA_DEBUG -D_XOPEN_SOURCE=600"
else
GCC_CFLAGS="$CFLAGS -O3 -fomit-frame-pointer -D_XOPEN_SOURCE=600"
fi
AC_ARG_ENABLE(uint32, AC_HELP_STRING(--enable-uint32, [Use native 32 bits integers for bitslice]), enable_uint32=$enableval, enable_uint32=no)
AC_ARG_ENABLE(uint64, AC_HELP_STRING(--enable-uint64, [Use native 64 bits integers for bitslice]), enable_uint64=$enableval, enable_uint64=no)
AC_ARG_ENABLE(mmx, AC_HELP_STRING(--enable-mmx, [Use MMX for bitslice]), mmx_debug=$enableval, enable_mmx=no)
AC_ARG_ENABLE(sse2, AC_HELP_STRING(--enable-sse2, [Use SSE2 for bitslice]), sse2_debug=$enableval, enable_sse2=no)
AC_ARG_ENABLE(altivec, AC_HELP_STRING(--enable-altivec, [Use AltiVec for bitslice]), altivec_debug=$enableval, enable_altivec=no)
AC_ARG_ENABLE(neon, AC_HELP_STRING(--enable-neon, [Use ARM NEON for bitslice]),
enable_neon=$enableval, enable_neon=no)
AM_INIT_AUTOMAKE(libdvbcsa, 1.1.0)
AC_CONFIG_HEADERS(config.h)
AC_PROG_CC
AM_PROG_LIBTOOL
AC_LANG(C)
AC_STDC_HEADERS
AC_CHECK_HEADERS(assert.h)
AC_C_CONST
AC_C_INLINE
AC_CHECK_SIZEOF(long)
if test "$enable_mmx" = "yes" ; then
transpose_64=yes
AC_DEFINE(DVBCSA_USE_MMX, 1, Using MMX bitslice.)
GCC_CFLAGS="$GCC_CFLAGS -mmmx"
elif test "$enable_sse2" = "yes" ; then
transpose_128=yes
AC_DEFINE(DVBCSA_USE_SSE, 1, Using SSE2 bitslice.)
GCC_CFLAGS="$GCC_CFLAGS -msse -msse2"
elif test "$enable_altivec" = "yes" ; then
transpose_128=yes
AC_DEFINE(DVBCSA_USE_ALTIVEC, 1, Using AltiVec bitslice.)
GCC_CFLAGS="$GCC_CFLAGS -maltivec -mabi=altivec"
elif test "$enable_neon" = "yes" ; then
transpose_128=yes
AC_DEFINE(DVBCSA_USE_NEON, 1, Using NEON 128 bits ops bitslice.)
CFLAGS_save="$CFLAGS"
CFLAGS="$CFLAGS -mfpu=neon -mfloat-abi=softfp"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, return 0;)], [
GCC_CFLAGS="$GCC_CFLAGS -mfpu=neon -mfloat-abi=softfp"
])
CFLAGS="$CFLAGS_save"
elif test "$enable_uint32" = "yes" ; then
transpose_32=yes
AC_DEFINE(DVBCSA_USE_UINT32, 1, Using 32 bits integer bitslice.)
elif test "$enable_uint64" = "yes" ; then
transpose_64=yes
AC_DEFINE(DVBCSA_USE_UINT64, 1, Using 64 bits integer bitslice.)
else
case $ac_cv_sizeof_long in
8)
transpose_64=yes
AC_DEFINE(DVBCSA_USE_UINT64, 1, Using 64 bits integer bitslice.)
;;
*)
transpose_32=yes
AC_DEFINE(DVBCSA_USE_UINT32, 1, Using 32 bits integer bitslice.)
;;
esac
fi
AM_CONDITIONAL(TRANSPOSE_128, test "$transpose_128" = "yes")
AM_CONDITIONAL(TRANSPOSE_64, test "$transpose_64" = "yes")
AM_CONDITIONAL(TRANSPOSE_32, test "$transpose_32" = "yes")
if test "$GCC" = "yes" ; then
CFLAGS="-Wall $GCC_CFLAGS"
fi
AC_CHECK_FUNC(posix_memalign, AC_DEFINE(HAVE_POSIX_MEMALIGN, 1, posix_memalign is available))
AC_MSG_CHECKING([_mm_malloc availability])
AC_TRY_LINK([#include <mm_malloc.h>], [_mm_malloc(8,8);],
[
AC_DEFINE(HAVE_MM_MALLOC, 1, _mm_malloc is available)
AC_MSG_RESULT([found])
],[
AC_MSG_RESULT([no])
])
AC_OUTPUT([
Makefile
src/Makefile
src/dvbcsa/Makefile
test/Makefile
])
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