X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=configure.ac;h=119f002bc27993b190e397e250eed630ba1c971e;hb=eef912bdf8a61db11e2d197a09e877fda54943f8;hp=bed135bb4d6f6e74df641077c45ae0f7cd5776c5;hpb=aa7e6f5df397b47c21efc8ad7934c10285b53106;p=xboard.git

diff --git a/configure.ac b/configure.ac
index bed135b..119f002 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,7 +28,7 @@ dnl| to regenerate configure.  Then submit your changes to be folded into
 dnl| the standard version of xboard.
 
 dnl| define second argument as VERSION.PATCHLEVEL. e.g. 4.4.0j
-AC_INIT([xboard],[master-20120226],[bug-xboard@gnu.org])
+AC_INIT([xboard],[master-20120410],[bug-xboard@gnu.org])
 
 dnl| need this to be able to compile some files in a subdir (filebrowser)
 AM_INIT_AUTOMAKE([subdir-objects])
@@ -110,6 +110,15 @@ AC_CHECK_FUNC(setlocale, [],
 
 AC_CHECK_LIB(seq, getpseudotty)
 
+dnl | add compiler warnings only if compiler understands them
+AC_MSG_CHECKING(whether compiler understands -Wall -Wno-parentheses)
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Wno-parentheses"
+AC_TRY_COMPILE([],[],
+  AC_MSG_RESULT(yes),
+  AC_MSG_RESULT(no)
+  CFLAGS="$SAVE_CFLAGS")
+
 
 dnl | check for X-libraries
 AC_PATH_XTRA