1 files changed, 341 insertions, 0 deletions

diff --git a/libraries/eina/m4/common/efl_cpu.m4 b/libraries/eina/m4/common/efl_cpu.m4
new file mode 100644
index 0000000..8fa6cd7
--- /dev/null
+++ b/libraries/eina/m4/common/efl_cpu.m4
@@ -0,0 +1,341 @@
+dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
+dnl That code is public domain and can be freely used or copied.
+
+dnl Macro that check if several ASM instruction sets are available or not.
+
+dnl Usage: EFL_CHECK_CPU_MMX([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Add -mmmx to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
+dnl Define EFL_HAVE_MMX
+
+AC_DEFUN([EFL_CHECK_CPU_MMX],
+[
+dnl configure option
+
+AC_ARG_ENABLE([cpu-mmx],
+   [AC_HELP_STRING([--disable-cpu-mmx], [disable mmx code @<:@default=enabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       _efl_enable_cpu_mmx="yes"
+    else
+       _efl_enable_cpu_mmx="no"
+    fi
+   ],
+   [_efl_enable_cpu_mmx="yes"])
+
+AC_MSG_CHECKING([whether to build mmx code])
+AC_MSG_RESULT([${_efl_enable_cpu_mmx}])
+
+dnl check if the CPU is supporting MMX instruction sets
+
+_efl_build_cpu_mmx="no"
+if test "x${_efl_enable_cpu_mmx}" = "xyes" ; then
+   case $host_cpu in
+      i*86 | x86_64 | amd64)
+         _efl_build_cpu_mmx="yes"
+         ;;
+   esac
+fi
+
+AC_MSG_CHECKING([whether mmx instructions set is available])
+AC_MSG_RESULT([${_efl_build_cpu_mmx}])
+
+dnl check if the compiler supports -mmmx
+
+if test "x${_efl_build_cpu_mmx}" = "xyes" ; then
+   SAVE_CFLAGS=${CFLAGS}
+   CFLAGS="-mmmx"
+   AC_LANG_PUSH([C])
+
+   AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM([[]],
+                       [[]])],
+      [
+       have_linker_option="yes"
+       EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} -mmmx"],
+      [have_linker_option="no"])
+
+   AC_LANG_POP([C])
+   CFLAGS=${SAVE_CFLAGS}
+
+   AC_MSG_CHECKING([whether mmx linker option is supported])
+   AC_MSG_RESULT([${have_linker_option}])
+fi
+
+AC_SUBST(EFL_SIMD_FLAGS)
+
+if test "x${_efl_build_cpu_mmx}" = "xyes" ; then
+   AC_DEFINE([EFL_HAVE_MMX], [1], [Define to mention that MMX is supported])
+fi
+
+AS_IF([test "x$_efl_build_cpu_mmx" = "xyes"], [$1], [$2])
+])
+
+dnl Usage: EFL_CHECK_CPU_SSE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Add -msse to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
+dnl Define EFL_HAVE_SSE
+
+AC_DEFUN([EFL_CHECK_CPU_SSE],
+[
+dnl configure option
+
+AC_ARG_ENABLE([cpu-sse],
+   [AC_HELP_STRING([--disable-cpu-sse], [disable sse code @<:@default=enabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       _efl_enable_cpu_sse="yes"
+    else
+       _efl_enable_cpu_sse="no"
+    fi
+   ],
+   [_efl_enable_cpu_sse="yes"])
+
+AC_MSG_CHECKING([whether to build sse code])
+AC_MSG_RESULT([${_efl_enable_cpu_sse}])
+
+dnl check if the CPU is supporting SSE instruction sets
+
+_efl_build_cpu_sse="no"
+if test "x${_efl_enable_cpu_sse}" = "xyes" ; then
+   case $host_cpu in
+      i*86 | x86_64 | amd64)
+         _efl_build_cpu_sse="yes"
+         ;;
+   esac
+fi
+
+AC_MSG_CHECKING([whether sse instructions set is available])
+AC_MSG_RESULT([${_efl_build_cpu_sse}])
+
+dnl check if the compiler supports -msse
+
+if test "x${_efl_build_cpu_sse}" = "xyes" ; then
+   SAVE_CFLAGS=${CFLAGS}
+   CFLAGS="-msse"
+   AC_LANG_PUSH([C])
+
+   AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM([[]],
+                       [[]])
+      ],
+      [
+       have_linker_option="yes"
+       EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} -msse"
+      ],
+      [have_linker_option="no"])
+
+   AC_LANG_POP([C])
+   CFLAGS=${SAVE_CFLAGS}
+
+   AC_MSG_CHECKING([whether sse linker option is supported])
+   AC_MSG_RESULT([${have_linker_option}])
+fi
+
+AC_SUBST(EFL_SIMD_FLAGS)
+
+if test "x${_efl_build_cpu_sse}" = "xyes" ; then
+   AC_DEFINE([EFL_HAVE_SSE], [1], [Define to mention that SSE is supported])
+fi
+
+AS_IF([test "x$_efl_build_cpu_sse" = "xyes"], [$1], [$2])
+])
+
+dnl Usage: EFL_CHECK_CPU_SSE2([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Add -msse2 to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
+dnl Define EFL_HAVE_SSE2
+
+AC_DEFUN([EFL_CHECK_CPU_SSE2],
+[
+
+dnl configure option
+
+AC_ARG_ENABLE([cpu-sse2],
+   [AC_HELP_STRING([--disable-cpu-sse2], [disable sse2 code @<:@default=enabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       _efl_enable_cpu_sse2="yes"
+    else
+       _efl_enable_cpu_sse2="no"
+    fi
+   ],
+   [_efl_enable_cpu_sse2="yes"])
+
+AC_MSG_CHECKING([whether to build sse2 code])
+AC_MSG_RESULT([${_efl_enable_cpu_sse2}])
+
+dnl check if the CPU is supporting SSE2 instruction sets
+
+_efl_build_cpu_sse2="no"
+if test "x${_efl_enable_cpu_sse2}" = "xyes" ; then
+   case $host_cpu in
+      i*86 | x86_64 | amd64)
+         _efl_build_cpu_sse2="yes"
+         ;;
+   esac
+fi
+
+AC_MSG_CHECKING([whether sse2 instructions set is available])
+AC_MSG_RESULT([${_efl_build_cpu_sse2}])
+
+dnl check if the compiler supports -msse2
+
+if test "x${_efl_build_cpu_sse2}" = "xyes" ; then
+   SAVE_CFLAGS=${CFLAGS}
+   CFLAGS="-msse2"
+   AC_LANG_PUSH([C])
+
+   AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM([[]],
+                       [[]])
+      ],
+      [
+       have_linker_option="yes"
+       EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} -msse2"
+      ],
+      [have_linker_option="no"])
+
+   AC_LANG_POP([C])
+   CFLAGS=${SAVE_CFLAGS}
+
+   AC_MSG_CHECKING([whether sse2 linker option is supported])
+   AC_MSG_RESULT([${have_linker_option}])
+fi
+
+AC_SUBST(EFL_SIMD_FLAGS)
+
+if test "x${_efl_build_cpu_sse2}" = "xyes" ; then
+   AC_DEFINE([EFL_HAVE_SSE2], [1], [Define to mention that SSE2 is supported])
+fi
+
+AS_IF([test "x$_efl_build_cpu_sse2" = "xyes"], [$1], [$2])
+])
+
+dnl Usage: EFL_CHECK_CPU_ALTIVEC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Add -faltivec or -maltivec to EFL_SIMD_FLAGS if the compiler supports it and
+dnl call AC_SUBST(EFL_SIMD_FLAGS)
+dnl Define EFL_HAVE_ALTIVEC
+
+AC_DEFUN([EFL_CHECK_CPU_ALTIVEC],
+[
+
+dnl configure option
+
+AC_ARG_ENABLE([cpu-altivec],
+   [AC_HELP_STRING([--disable-cpu-altivec], [disable altivec code @<:@default=enabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       _efl_enable_cpu_altivec="yes"
+    else
+       _efl_enable_cpu_altivec="no"
+    fi
+   ],
+   [_efl_enable_cpu_altivec="yes"]
+)
+AC_MSG_CHECKING([whether to build altivec code])
+AC_MSG_RESULT([${_efl_enable_cpu_altivec}])
+
+dnl check if the CPU is supporting ALTIVEC instruction sets
+
+_efl_build_cpu_altivec="no"
+if test "x${_efl_enable_cpu_altivec}" = "xyes" ; then
+   case $host_cpu in
+      *power* | *ppc*)
+         _efl_build_cpu_altivec="yes"
+         ;;
+   esac
+fi
+
+AC_MSG_CHECKING([whether altivec instructions set is available])
+AC_MSG_RESULT([${_efl_build_cpu_altivec}])
+
+dnl check if the compiler supports -faltivec or -maltivec and
+dnl if altivec.h is available.
+
+_efl_have_faltivec="no"
+if test "x${_efl_build_cpu_altivec}" = "xyes" ; then
+   SAVE_CFLAGS=${CFLAGS}
+   CFLAGS="-faltivec"
+   AC_LANG_PUSH([C])
+
+   AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM([[
+#include <altivec.h>
+                       ]],
+                       [[]])],
+      [_efl_have_faltivec="yes"
+       _efl_altivec_flag="-faltivec"],
+      [_efl_have_faltivec="no"])
+
+   if test "x${_efl_have_faltivec}" = "xno" ; then
+      CFLAGS="-maltivec"
+
+      AC_COMPILE_IFELSE(
+         [AC_LANG_PROGRAM([[
+#include <altivec.h>
+                          ]],
+                          [[]])],
+         [_efl_have_faltivec="yes"
+          _efl_altivec_flag="-maltivec"],
+         [_efl_have_faltivec="no"])
+   fi
+
+   AC_LANG_POP([C])
+   CFLAGS=${SAVE_CFLAGS}
+
+   AC_MSG_CHECKING([whether altivec linker option is supported])
+   AC_MSG_RESULT([${_efl_have_faltivec}])
+fi
+
+EFL_SIMD_FLAGS="${EFL_SIMD_FLAGS} ${_efl_altivec_flag}"
+AC_SUBST(EFL_SIMD_FLAGS)
+
+if test "x${_efl_have_faltivec}" = "xyes" ; then
+   AC_DEFINE([EFL_HAVE_ALTIVEC], [1], [Define to mention that ALTIVEC is supported])
+fi
+
+AS_IF([test "x$_efl_have_faltivec" = "xyes"], [$1], [$2])
+])
+
+dnl Usage: EFL_CHECK_CPU_NEON([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Add -mneon to EFL_SIMD_FLAGS if the compiler supports it and call AC_SUBST(EFL_SIMD_FLAGS)
+dnl Define EFL_HAVE_NEON
+
+AC_DEFUN([EFL_CHECK_CPU_NEON],
+[
+dnl configure option
+
+AC_ARG_ENABLE([cpu-neon],
+   [AC_HELP_STRING([--disable-cpu-neon], [disable neon code @<:@default=enabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       _efl_enable_cpu_neon="yes"
+    else
+       _efl_enable_cpu_neon="no"
+    fi
+   ],
+   [_efl_enable_cpu_neon="yes"])
+
+AC_MSG_CHECKING([whether to build neon code])
+AC_MSG_RESULT([${_efl_enable_cpu_neon}])
+
+dnl check if the CPU is supporting NEON instruction sets
+
+_efl_build_cpu_neon="no"
+if test "x${_efl_enable_cpu_neon}" = "xyes" ; then
+   case $host_cpu in
+      armv7*)
+         _efl_build_cpu_neon="yes"
+         ;;
+   esac
+fi
+
+AC_MSG_CHECKING([whether neon instructions set is available])
+AC_MSG_RESULT([${_efl_build_cpu_neon}])
+
+if test "x${_efl_build_cpu_neon}" = "xyes" ; then
+   AC_DEFINE([EFL_HAVE_NEON], [1], [Define to mention that NEON is supported])
+fi
+
+AS_IF([test "x$_efl_build_cpu_neon" = "xyes"], [$1], [$2])
+])
+
+dnl End of efl_cpu.m4