You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
83 lines
2.3 KiB
dnl Copyright (C) 2011 Vincent Torri <vtorri at univ-evry dot fr> |
|
dnl That code is public domain and can be freely used or copied. |
|
|
|
dnl Macros for checking if the compiler supports some __attribute__ uses |
|
|
|
dnl Usage: EFL_ATTRIBUTE_VECTOR |
|
dnl call AC_DEFINE for HAVE_GCC_ATTRIBUTE_VECTOR if __attribute__((vector)) is available |
|
|
|
AC_DEFUN([EFL_ATTRIBUTE_VECTOR], |
|
[ |
|
AC_MSG_CHECKING([for __attribute__ ((vector))]) |
|
AC_COMPILE_IFELSE( |
|
[AC_LANG_PROGRAM( |
|
[[ |
|
typedef int v4si __attribute__ ((vector_size (16))); |
|
]], |
|
[[ |
|
if (sizeof(v4si) == 16) |
|
return 0; |
|
else |
|
return -1; |
|
]])], |
|
[have_attribute_vector="yes"], |
|
[have_attribute_vector="no"]) |
|
AC_MSG_RESULT([${have_attribute_vector}]) |
|
|
|
if test "x${have_attribute_vector}" = "xyes" ; then |
|
AC_DEFINE([HAVE_GCC_ATTRIBUTE_VECTOR], [1], [Define to 1 if your compiler supports __attribute__ ((vector)).]) |
|
fi |
|
]) |
|
|
|
dnl Usage: EFL_ATTRIBUTE_ALWAYS_INLINE |
|
dnl call AC_DEFINE for alway_inline if __attribute__((always_inline)) is available |
|
|
|
AC_DEFUN([EFL_ATTRIBUTE_ALWAYS_INLINE], |
|
[ |
|
|
|
have_attribute_forceinline="no" |
|
|
|
AC_MSG_CHECKING([for __forceinline]) |
|
|
|
AC_COMPILE_IFELSE( |
|
[AC_LANG_PROGRAM( |
|
[[ |
|
#include <windows.h> |
|
static __forceinline void foo(void) {} |
|
]], |
|
[[ |
|
]])], |
|
[ |
|
have_attribute_always_inline="yes" |
|
have_attribute_forceinline="yes" |
|
], |
|
[have_attribute_always_inline="no"]) |
|
|
|
AC_MSG_RESULT([${have_attribute_always_inline}]) |
|
|
|
if test "x${have_attribute_always_inline}" = "xno" ; then |
|
AC_MSG_CHECKING([for __attribute__ ((__always_inline__))]) |
|
AC_COMPILE_IFELSE( |
|
[AC_LANG_PROGRAM( |
|
[[ |
|
static __attribute__((__always_inline__)) inline void foo(void) {} |
|
]], |
|
[[ |
|
]])], |
|
[have_attribute_always_inline="yes"], |
|
[have_attribute_always_inline="no"]) |
|
AC_MSG_RESULT([${have_attribute_always_inline}]) |
|
fi |
|
|
|
if test "x${have_attribute_always_inline}" = "xyes" ; then |
|
if test "x${have_attribute_forceinline}" = "xyes" ; then |
|
AC_DEFINE([EFL_ALWAYS_INLINE], [__forceinline], [Macro declaring a function to always be inlined.]) |
|
else |
|
AC_DEFINE([EFL_ALWAYS_INLINE], [__attribute__ ((__always_inline__)) inline], [Macro declaring a function to always be inlined.]) |
|
fi |
|
else |
|
AC_DEFINE([EFL_ALWAYS_INLINE], [static inline], [Macro declaring a function to always be inlined.]) |
|
fi |
|
]) |
|
|
|
dnl End of efl_attribute.m4
|
|
|