289 lines
6.3 KiB
Plaintext
289 lines
6.3 KiB
Plaintext
dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
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dnl That code is public domain and can be freely used or copied.
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dnl Macro that check if several ASM instruction sets are available or not.
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dnl Usage: EFL_CHECK_CPU_MMX([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Add -mmmx to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
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dnl Define EFL_HAVE_MMX
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AC_DEFUN([EFL_CHECK_CPU_MMX],
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[
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dnl configure option
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AC_ARG_ENABLE([cpu-mmx],
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[AC_HELP_STRING([--enable-cpu-mmx], [enable mmx code @<:@default=yes@:>@])],
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[
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if test "x${enableval}" = "xyes" ; then
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_efl_enable_cpu_mmx="yes"
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else
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_efl_enable_cpu_mmx="no"
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fi
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],
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[_efl_enable_cpu_mmx="yes"]
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)
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AC_MSG_CHECKING([whether to build mmx code])
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AC_MSG_RESULT([${_efl_enable_cpu_mmx}])
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dnl check if the CPU is supporting MMX instruction sets
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_efl_build_cpu_mmx="no"
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if test "x${_efl_enable_cpu_mmx}" = "xyes" ; then
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case $host_cpu in
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i*86)
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_efl_build_cpu_mmx="yes"
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;;
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x86_64)
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_efl_build_cpu_mmx="yes"
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;;
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esac
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fi
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dnl check if the compiler supports -mmmx
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SAVE_CFLAGS=${CFLAGS}
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CFLAGS="-mmmx"
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AC_LANG_PUSH([C])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]],
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[[]])
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],
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[EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} -mmmx"]
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)
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AC_LANG_POP([C])
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CFLAGS=${SAVE_CFLAGS}
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AC_SUBST(EFL_SIMD_FLAGS)
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if test "x${_efl_build_cpu_mmx}" = "xyes" ; then
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AC_DEFINE(EFL_HAVE_MMX, 1, [Define to mention that MMX is supported])
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fi
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if test "x${_efl_build_cpu_mmx}" = "xyes" ; then
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ifelse([$1], , :, [$1])
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else
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ifelse([$2], , :, [$2])
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fi
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])
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dnl Usage: EFL_CHECK_CPU_SSE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Add -msse to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
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dnl Define EFL_HAVE_SSE
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AC_DEFUN([EFL_CHECK_CPU_SSE],
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[
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dnl configure option
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AC_ARG_ENABLE([cpu-sse],
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[AC_HELP_STRING([--enable-cpu-sse], [enable sse code @<:@default=yes@:>@])],
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[
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if test "x${enableval}" = "xyes" ; then
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_efl_enable_cpu_sse="yes"
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else
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_efl_enable_cpu_sse="no"
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fi
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],
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[_efl_enable_cpu_sse="yes"]
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)
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AC_MSG_CHECKING([whether to build sse code])
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AC_MSG_RESULT([${_efl_enable_cpu_sse}])
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dnl check if the CPU is supporting SSE instruction sets
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_efl_build_cpu_sse="no"
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if test "x${_efl_enable_cpu_sse}" = "xyes" ; then
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case $host_cpu in
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i*86)
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_efl_build_cpu_sse="yes"
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;;
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x86_64)
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_efl_build_cpu_sse="yes"
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;;
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esac
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fi
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dnl check if the compiler supports -msse
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SAVE_CFLAGS=${CFLAGS}
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CFLAGS="-msse"
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AC_LANG_PUSH([C])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]],
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[[]])
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],
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[EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} -msse"]
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)
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AC_LANG_POP([C])
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CFLAGS=${SAVE_CFLAGS}
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AC_SUBST(EFL_SIMD_FLAGS)
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if test "x${_efl_build_cpu_sse}" = "xyes" ; then
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AC_DEFINE(EFL_HAVE_SSE, 1, [Define to mention that SSE is supported])
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fi
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if test "x${_efl_build_cpu_sse}" = "xyes" ; then
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ifelse([$1], , :, [$1])
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else
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ifelse([$2], , :, [$2])
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fi
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])
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dnl Usage: EFL_CHECK_CPU_SSE2([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Add -msse2 to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
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dnl Define EFL_HAVE_SSE2
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AC_DEFUN([EFL_CHECK_CPU_SSE2],
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[
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dnl configure option
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AC_ARG_ENABLE([cpu-sse2],
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[AC_HELP_STRING([--enable-cpu-sse2], [enable sse2 code @<:@default=yes@:>@])],
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[
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if test "x${enableval}" = "xyes" ; then
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_efl_enable_cpu_sse2="yes"
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else
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_efl_enable_cpu_sse2="no"
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fi
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],
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[_efl_enable_cpu_sse2="yes"]
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)
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AC_MSG_CHECKING([whether to build sse2 code])
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AC_MSG_RESULT([${_efl_enable_cpu_sse2}])
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dnl check if the CPU is supporting SSE2 instruction sets
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_efl_build_cpu_sse2="no"
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if test "x${_efl_enable_cpu_sse2}" = "xyes" ; then
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case $host_cpu in
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i686)
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_efl_build_cpu_sse2="yes"
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;;
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x86_64)
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_efl_build_cpu_sse2="yes"
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;;
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esac
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fi
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dnl check if the compiler supports -msse2
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SAVE_CFLAGS=${CFLAGS}
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CFLAGS="-msse2"
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AC_LANG_PUSH([C])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]],
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[[]])
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],
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[EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} -msse2"]
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)
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AC_LANG_POP([C])
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CFLAGS=${SAVE_CFLAGS}
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AC_SUBST(EFL_SIMD_FLAGS)
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if test "x${_efl_build_cpu_sse2}" = "xyes" ; then
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AC_DEFINE(EFL_HAVE_SSE2, 1, [Define to mention that SSE2 is supported])
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fi
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if test "x${_efl_build_cpu_sse2}" = "xyes" ; then
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ifelse([$1], , :, [$1])
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else
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ifelse([$2], , :, [$2])
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fi
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])
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dnl Usage: EFL_CHECK_CPU_ALTIVEC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Add -faltivec or -maltivec to EFL_SIMD_FLAGS if the compiler supports it and
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dnl call AC_SUBST(EFL_SIMD_FLAGS)
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dnl Define EFL_HAVE_ALTIVEC
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AC_DEFUN([EFL_CHECK_CPU_ALTIVEC],
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[
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dnl configure option
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AC_ARG_ENABLE([cpu-altivec],
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[AC_HELP_STRING([--enable-cpu-altivec], [enable altivec code @<:@default=yes@:>@])],
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[
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if test "x${enableval}" = "xyes" ; then
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_efl_enable_cpu_altivec="yes"
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else
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_efl_enable_cpu_altivec="no"
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fi
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],
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[_efl_enable_cpu_altivec="yes"]
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)
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AC_MSG_CHECKING([whether to build altivec code])
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AC_MSG_RESULT([${_efl_enable_cpu_altivec}])
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dnl check if the CPU is supporting ALTIVEC instruction sets
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_efl_build_cpu_altivec="no"
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if test "x${_efl_enable_cpu_altivec}" = "xyes" ; then
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case $host_cpu in
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*power* | *ppc*)
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_efl_build_cpu_altivec="yes"
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;;
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esac
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fi
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dnl check if the compiler supports -faltivec or -maltivec and
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dnl if altivec.h is available.
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SAVE_CFLAGS=${CFLAGS}
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CFLAGS="-faltivec"
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AC_LANG_PUSH([C])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <altivec.h>
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]],
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[[]])],
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[_efl_have_faltivec="yes"
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_efl_altivec_flag="-faltivec"],
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[_efl_have_faltivec="no"]
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)
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if test "x${_efl_have_faltivec}" = "xno" ; then
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CFLAGS="-maltivec"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <altivec.h>
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]],
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[[]])],
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[_efl_have_faltivec="yes"
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_efl_altivec_flag="-maltivec"],
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[_efl_have_faltivec="no"]
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)
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fi
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AC_MSG_CHECKING([whether altivec code is supported])
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AC_MSG_RESULT([${_efl_have_faltivec}])
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AC_LANG_POP([C])
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CFLAGS=${SAVE_CFLAGS}
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EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} ${_efl_altivec_flag}"
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AC_SUBST(EFL_SIMD_FLAGS)
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if test "x${_efl_have_faltivec}" = "xyes" ; then
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AC_DEFINE(EFL_HAVE_ALTIVEC, 1, [Define to mention that ALTIVEC is supported])
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fi
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if test "x${_efl_have_faltivec}" = "xyes" ; then
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ifelse([$1], , :, [$1])
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else
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ifelse([$2], , :, [$2])
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fi
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])
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