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------------------------------------------------------------------------ r153709 | kpfleming | 2008-11-02 17:34:39 -0600 (Sun, 02 Nov 2008) | 3 lines instead of trying to forcibly load res_agi when app_stack is loaded (even if the administrator didn't want it loaded), use GCC weak symbols to determine whether it was loaded already or not; if it was loaded, then use it. ------------------------------------------------------------------------ git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@153745 65c4cc65-6c06-0410-ace0-fbb531ad65f3
18 lines
498 B
Plaintext
18 lines
498 B
Plaintext
# Helper function to check for gcc attributes.
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# 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([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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