efl/m4/gcc_check_builtin.m4

AC_DEFUN([EFL_CHECK_GCC_BUILTIN],
[efl_check_gcc_builtin_save_libs=$LIBS
EINA_CONFIGURE_$2=""
LIBS="-lm $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[]], [[return __builtin_$1(42);]]
)],
[EINA_CONFIGURE_$2="#define EINA_$2"
AC_DEFINE([$2], [1], [GCC builtin $1 exists])])
AC_SUBST(EINA_CONFIGURE_$2)
LIBS=$efl_check_gcc_builtin_save_libs])
efl: Fixes to support compiling with CFLAGS=-Werror This allows compiling with gcc 4.7.2 without errors (using the default configuration). 2013-01-24 10:57:42 -08:00			`AC_DEFUN([EFL_CHECK_GCC_BUILTIN],`
			`[efl_check_gcc_builtin_save_libs=$LIBS`
eina: add infrastructure to handle more CPU and compiler builtin information. 2013-10-02 02:31:10 -07:00			`EINA_CONFIGURE_$2=""`
efl: Fixes to support compiling with CFLAGS=-Werror This allows compiling with gcc 4.7.2 without errors (using the default configuration). 2013-01-24 10:57:42 -08:00			`LIBS="-lm $LIBS"`
			`AC_LINK_IFELSE(`
			`[AC_LANG_PROGRAM(`
eina: add infrastructure to handle more CPU and compiler builtin information. 2013-10-02 02:31:10 -07:00			`[[]], [[return __builtin_$1(42);]]`
efl: Fixes to support compiling with CFLAGS=-Werror This allows compiling with gcc 4.7.2 without errors (using the default configuration). 2013-01-24 10:57:42 -08:00			`)],`
eina: add infrastructure to handle more CPU and compiler builtin information. 2013-10-02 02:31:10 -07:00			`[EINA_CONFIGURE_$2="#define EINA_$2"`
			`AC_DEFINE([$2], [1], [GCC builtin $1 exists])])`
			`AC_SUBST(EINA_CONFIGURE_$2)`
efl: Fixes to support compiling with CFLAGS=-Werror This allows compiling with gcc 4.7.2 without errors (using the default configuration). 2013-01-24 10:57:42 -08:00			`LIBS=$efl_check_gcc_builtin_save_libs])`