gnupg (ChangeLog configure.ac)

[cvs user dshaw]

    Date: Monday, June 13, 2005 @ 22:45:06
  Author: dshaw
    Path: /cvs/gnupg/gnupg

Modified: ChangeLog configure.ac

* configure.ac: Add check for no-pointer-sign warning keyword, and
disable.  This is gcc4 specific.


--------------+
 ChangeLog    |    5 +++++
 configure.ac |   16 +++++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)


Index: gnupg/ChangeLog
diff -u gnupg/ChangeLog:1.251 gnupg/ChangeLog:1.252
--- gnupg/ChangeLog:1.251	Tue May 31 10:39:18 2005
+++ gnupg/ChangeLog	Mon Jun 13 22:45:05 2005
@@ -1,3 +1,8 @@
+2005-06-13  David Shaw  <dshaw at jabberwocky.com>
+
+	* configure.ac: Add check for no-pointer-sign warning keyword, and
+	disable.  This is gcc4 specific.
+
 2005-05-31  Werner Koch  <wk at g10code.com>
 
 	Released 1.4.2rc1.
Index: gnupg/configure.ac
diff -u gnupg/configure.ac:1.143 gnupg/configure.ac:1.144
--- gnupg/configure.ac:1.143	Tue May 31 14:26:02 2005
+++ gnupg/configure.ac	Mon Jun 13 22:45:05 2005
@@ -1214,7 +1214,7 @@
 AC_SUBST(NETLIBS)
 AC_SUBST(W32LIBS)
 
-# Special options used fith gcc.
+# Special options used with gcc.
 if test "$GCC" = yes; then
     # Note that it is okay to use CFLAGS here because this are just
     # warning options and the user should have a chance of overriding
@@ -1226,6 +1226,20 @@
         CFLAGS="$CFLAGS -Wall"
     fi
 
+    AC_MSG_CHECKING([if gcc supports -Wno-pointer-sign])
+
+    _gcc_cflags_save=$CFLAGS
+    CFLAGS="-Wno-pointer-sign"
+
+    AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_psign=yes,_gcc_psign=no)
+    AC_MSG_RESULT($_gcc_psign)
+
+    CFLAGS=$_gcc_cflags_save;
+
+    if test x"$_gcc_psign" = xyes ; then
+       CFLAGS="$CFLAGS -Wno-pointer-sign"
+    fi
+
     # Non exec stack hack.  Fixme: Write a test to check whether as
     # can cope with it and use the enable-noexecstack option only to
     # disable it in case it is required on sime platforms.