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Mac OS X does not support comparing a mutex to its initializer. Create a test for this.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@256370 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2010-04-06 19:28:42 +00:00
parent d3f44c979c
commit bcbafc800e
4 changed files with 97 additions and 19 deletions
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62
configure vendored
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@@ -1,5 +1,5 @@
#! /bin/sh
# From configure.ac Revision: 251263 .
# From configure.ac Revision: 252980 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for asterisk 1.6.
#
@@ -18538,6 +18538,66 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# Can we compare a mutex to its initial value?
# Generally yes on OpenBSD/FreeBSD and no on Mac OS X.
{ echo "$as_me:$LINENO: checking whether we can compare a mutex to its initial value" >&5
echo $ECHO_N "checking whether we can compare a mutex to its initial value... $ECHO_C" >&6; }
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <pthread.h>
int
main ()
{
pthread_mutex_t lock;
if ((lock) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
return 0;
}
return 0
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
{ echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define CAN_COMPARE_MUTEX_TO_INIT_VALUE 1
_ACEOF
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
#if test "${cross_compiling}" = "no";
#then
#AC_MSG_CHECKING(for working epoll support)