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author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-06-16 16:36:54 +0000 |
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committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-06-16 16:36:54 +0000 |
commit | ff28797738d0d8b62495cfc0b3fe37c4f9f5bc3a (patch) | |
tree | c3286d171b4eee81e8494f2eea5ab67b429a4ed3 /autoconf/ast_gcc_attribute.m4 | |
parent | e214f125e663783699f91a578ba52dea1f276c8f (diff) |
Merged revisions 200985 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk
........
r200985 | kpfleming | 2009-06-16 11:32:36 -0500 (Tue, 16 Jun 2009) | 7 lines
Fix problems with new compiler attribute checking in configure script.
The last changes to ast_gcc_attribute.m4 caused some problems checking for
various attributes, because the scope of the symbol the attribute is applied
to can be important; this patch allows the scope to be specified for the check.
........
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.2@200990 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'autoconf/ast_gcc_attribute.m4')
-rw-r--r-- | autoconf/ast_gcc_attribute.m4 | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/autoconf/ast_gcc_attribute.m4 b/autoconf/ast_gcc_attribute.m4 index 806b39019..f08b2545b 100644 --- a/autoconf/ast_gcc_attribute.m4 +++ b/autoconf/ast_gcc_attribute.m4 @@ -1,5 +1,5 @@ # Helper function to check for gcc attributes. -# AST_GCC_ATTRIBUTE([attribute name], [attribute syntax]) +# AST_GCC_ATTRIBUTE([attribute name], [attribute syntax], [attribute scope]) AC_DEFUN([AST_GCC_ATTRIBUTE], [ @@ -7,10 +7,17 @@ AC_MSG_CHECKING(for compiler 'attribute $1' support) saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Wall -Wno-unused -Werror" +if test "x$3" = "x" +then +attribute_scope="static" +else +attribute_scope="$3" +fi + if test "x$2" = "x" then AC_COMPILE_IFELSE( - AC_LANG_PROGRAM([static void __attribute__(($1)) *test(void *muffin, ...) {return (void *) 0;}], + AC_LANG_PROGRAM([$attribute_scope void __attribute__(($1)) *test(void *muffin, ...) {return (void *) 0;}], []), AC_MSG_RESULT(yes) AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]), @@ -18,7 +25,7 @@ AC_COMPILE_IFELSE( ) else AC_COMPILE_IFELSE( - AC_LANG_PROGRAM([static void __attribute__(($2)) *test(void *muffin, ...) {return (void *) 0;}], + AC_LANG_PROGRAM([$attribute_scope void __attribute__(($2)) *test(void *muffin, ...) {return (void *) 0;}], []), AC_MSG_RESULT(yes) AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]), |