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[tree-ssa libmudflap] portability tweaks
- From: "Frank Ch. Eigler" <fche at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 19 Nov 2003 17:39:46 -0500
- Subject: [tree-ssa libmudflap] portability tweaks
Hi -
The following patch improves libmudflap buildability somewhat.
2003-11-19 Frank Ch. Eigler <fche@redhat.com>
libmudflap/12939
* mf-hooks2.c (semctl): Tolerate FreeBSD.
* configure.in: Reorganize check for <pthread.h>.
* configure: Regenerated.
Index: configure.in
===================================================================
RCS file: /cvs/gcc/gcc/libmudflap/Attic/configure.in,v
retrieving revision 1.1.2.18
diff -u -p -s -r1.1.2.18 configure.in
--- configure.in 29 Jul 2003 21:11:45 -0000 1.1.2.18
+++ configure.in 19 Nov 2003 22:33:17 -0000
@@ -39,7 +39,7 @@ AC_TRY_COMPILE([
[AC_MSG_RESULT(no)
enable_shared=no])
-AC_CHECK_HEADERS(stdint.h execinfo.h signal.h pthread.h dlfcn.h)
+AC_CHECK_HEADERS(stdint.h execinfo.h signal.h dlfcn.h)
AC_CHECK_FUNCS(backtrace backtrace_symbols gettimeofday signal)
dnl Check for 64-bit stdio calls related to Large File Support
@@ -76,6 +76,12 @@ then
fi
pthread_create_version='""'
+AC_CHECK_HEADER(pthread.h,[
+AC_DEFINE_UNQUOTED(HAVE_PTHREAD_H, 1, [define if you have <pthread.h>])
+ac_have_pthread_h=yes
+],[
+ac_have_pthread_h=
+])
AM_CONDITIONAL(LIBMUDFLAPTH, [test "x$ac_have_pthread_h" != ""])
AC_CHECK_LIB(dl, dlsym)
Index: mf-hooks2.c
===================================================================
RCS file: /cvs/gcc/gcc/libmudflap/Attic/mf-hooks2.c,v
retrieving revision 1.1.2.4
diff -u -p -s -r1.1.2.4 mf-hooks2.c
--- mf-hooks2.c 4 Nov 2003 18:13:28 -0000 1.1.2.4
+++ mf-hooks2.c 19 Nov 2003 22:33:17 -0000
@@ -1653,10 +1653,13 @@ WRAPPER2(int, semctl, int semid, int sem
"semctl array");
break;
#ifdef IPC_INFO
+ /* FreeBSD 5.1 headers include IPC_INFO but not the __buf field. */
+#if !defined(__FreeBSD__)
case IPC_INFO:
MF_VALIDATE_EXTENT (arg.__buf, sizeof (*arg.__buf), __MF_CHECK_WRITE,
"semctl __buf");
break;
+#endif
#endif
default:
break;