forked from enlightenment/efl
14 lines
338 B
Plaintext
14 lines
338 B
Plaintext
AC_DEFUN([EFL_CHECK_GCC_BUILTIN],
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[efl_check_gcc_builtin_save_libs=$LIBS
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EINA_CONFIGURE_$2=""
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LIBS="-lm $LIBS"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[]], [[return __builtin_$1(42);]]
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)],
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[EINA_CONFIGURE_$2="#define EINA_$2"
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AC_DEFINE([$2], [1], [GCC builtin $1 exists])])
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AC_SUBST(EINA_CONFIGURE_$2)
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LIBS=$efl_check_gcc_builtin_save_libs])
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