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17 lines
458 B
Plaintext
17 lines
458 B
Plaintext
# AST_GCC_ATTRIBUTE([attribute name])
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AC_DEFUN([AST_GCC_ATTRIBUTE],
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[
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AC_MSG_CHECKING(for compiler 'attribute $1' support)
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror"
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AC_COMPILE_IFELSE(
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AC_LANG_PROGRAM([static void __attribute__(($1)) *test(void *muffin, ...) {}],
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[]),
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AC_MSG_RESULT(yes)
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AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
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AC_MSG_RESULT(no))
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]
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CFLAGS="$saved_CFLAGS"
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)
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