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Fix linking asterisk on CentOS 5, which is using gcc 4.1.1. Gcc 4.1.2 has the real fix.

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Review: https://reviewboard.asterisk.org/r/790/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@276731 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2010-07-15 18:44:20 +00:00
parent e7591ab428
commit e2ff55122d
5 changed files with 168 additions and 117 deletions
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6
autoconf/ast_gcc_attribute.m4
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@@ -1,11 +1,12 @@
# Helper function to check for gcc attributes.
# AST_GCC_ATTRIBUTE([attribute name], [attribute syntax], [attribute scope])
# AST_GCC_ATTRIBUTE([attribute name], [attribute syntax], [attribute scope], [makeopts flag])
AC_DEFUN([AST_GCC_ATTRIBUTE],
[
AC_MSG_CHECKING(for compiler 'attribute $1' support)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wall -Wno-unused -Werror"
m4_ifval([$4],$4=0)
if test "x$2" = "x"
then
@@ -13,6 +14,7 @@ AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([$3 void __attribute__(($1)) *test(void *muffin, ...) {return (void *) 0;}],
[]),
AC_MSG_RESULT(yes)
m4_ifval([$4],$4=1)
AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
AC_MSG_RESULT(no)
)
@@ -21,11 +23,13 @@ AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([$3 void __attribute__(($2)) *test(void *muffin, ...) {return (void *) 0;}],
[]),
AC_MSG_RESULT(yes)
m4_ifval([$4],$4=1)
AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
AC_MSG_RESULT(no)
)
fi
m4_ifval([$4],AC_SUBST($4))
CFLAGS="$saved_CFLAGS"
]
)