- (dtucker) [configure.ac defines.h] Prevent warnings about __attribute__

   __nonnull__ for versions of GCC that don't support it.

3 files changed, 24 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index c6db95e39..db5cf6adb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,12 @@
  - (dtucker) [openbsd-compat/xmmap.c] Include stdlib.h for mkstemp prototype.
  - (dtucker) [configure.ac defines.h] Have configure check for MAXSYMLINKS
    so we don't get redefinition warnings.
+ - (dtucker) [openbsd-compat/xmmap.c] Include stdlib.h for mkstemp prototype.
+ - (dtucker) [configure.ac defines.h] Prevent warnings about __attribute__
+   __nonnull__ for versions of GCC that don't support it.
+
+  20070406
+   - (dtucker) [INSTALL] Update the systems that have PAM as standard.  Link
 
 20070406
  - (dtucker) [INSTALL] Update the systems that have PAM as standard.  Link
@@ -2889,4 +2895,4 @@
    OpenServer 6 and add osr5bigcrypt support so when someone migrates
    passwords between UnixWare and OpenServer they will still work. OK dtucker@
 
-$Id: ChangeLog,v 1.4656 2007/04/29 04:39:02 dtucker Exp $
+$Id: ChangeLog,v 1.4657 2007/04/29 04:49:21 dtucker Exp $
diff --git a/configure.ac b/configure.ac
index f2e88f1f2..c113b2fa7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.377 2007/04/29 04:39:03 dtucker Exp $
+# $Id: configure.ac,v 1.378 2007/04/29 04:49:21 dtucker Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
-AC_REVISION($Revision: 1.377 $)
+AC_REVISION($Revision: 1.378 $)
 AC_CONFIG_SRCDIR([ssh.c])
 
 AC_CONFIG_HEADER(config.h)
@@ -94,9 +94,12 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
         GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
         case $GCC_VER in
-                1.*) ;;
-                2.8* | 2.9*) CFLAGS="$CFLAGS -Wsign-compare" ;;
-                2.*) ;;
+                1.*) no_attrib_nonnull=1 ;;
+                2.8* | 2.9*)
+                     CFLAGS="$CFLAGS -Wsign-compare"
+                     no_attrib_nonnull=1
+                     ;;
+                2.*) no_attrib_nonnull=1 ;;
                 3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
                 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
                 *) ;;
@@ -115,6 +118,10 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
         fi
 fi
 
+if test "x$no_attrib_nonnull" != "x1" ; then
+        AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
+fi
+
 AC_ARG_WITH(rpath,
         [  --without-rpath         Disable auto-added -R linker paths],
         [
diff --git a/defines.h b/defines.h
index 41b14fdf7..5e75bc624 100644
--- a/defines.h
+++ b/defines.h
@@ -25,7 +25,7 @@
 #ifndef _DEFINES_H
 #define _DEFINES_H
 
-/* $Id: defines.h,v 1.140 2007/04/29 04:39:03 dtucker Exp $ */
+/* $Id: defines.h,v 1.141 2007/04/29 04:49:21 dtucker Exp $ */
 
 
 /* Constants */
@@ -449,6 +449,10 @@ struct winsize {
 # define __bounded__(x, y, z)
 #endif
 
+#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
+# define __nonnull__(x)
+#endif
+
 /* *-*-nto-qnx doesn't define this macro in the system headers */
 #ifdef MISSING_HOWMANY
 # define howmany(x,y)   (((x)+((y)-1))/(y))