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authorAlan Coopersmith <alan.coopersmith@oracle.com>2013-05-03 22:30:36 -0700
committerAlan Coopersmith <alan.coopersmith@oracle.com>2013-05-03 22:36:48 -0700
commit15ec6d1d0bb8c4cb24a190ed34e63312a0623670 (patch)
tree1043f65a8d3bf9ddcac13053ca1277d97d6a0a8e /configure.ac
parent41aab7d289aba2aaf3839e96d0c9e2f15ede4bd1 (diff)
Use _XEatDataWords to avoid overflow of rep.length bit shifting
rep.length is a CARD32, so rep.length << 2 could overflow in 32-bit builds Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac6
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 50b029c..16b966c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,12 @@ AC_PROG_LIBTOOL
# Check for X and print proto
PKG_CHECK_MODULES(XPRINT, x11 xext xextproto xau printproto)
+# Check for _XEatDataWords function that may be patched into older Xlib release
+SAVE_LIBS="$LIBS"
+LIBS="$XPRINT_LIBS"
+AC_CHECK_FUNCS([_XEatDataWords])
+LIBS="$SAVE_LIBS"
+
AC_CONFIG_FILES([Makefile
src/Makefile
man/Makefile