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Merged revisions 115276 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.4

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r115276 | file | 2008-05-03 22:43:26 -0300 (Sat, 03 May 2008) | 2 lines

Treat warnings as errors when checking if a GCC attribute exists. We have to do this as GCC will just ignore the attribute and pop up a warning, it won't actually fail to compile.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@115277 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2008-05-04 01:45:21 +00:00
parent 817e1ed55f
commit c363761278
2 changed files with 34 additions and 2 deletions
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6
acinclude.m4
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@@ -7,13 +7,17 @@
AC_DEFUN([AST_GCC_ATTRIBUTE],
[
AC_MSG_CHECKING(for compiler 'attribute $1' support)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([static int __attribute__(($1)) test(void) {}],
[]),
AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
AC_MSG_RESULT(no))
])
]
CFLAGS="$saved_CFLAGS"
)
# Helper function to setup variables for a package.
# $1 -> the package name. Used in configure.ac and also as a prefix