updated for version 7.2-316
diff --git a/src/configure.in b/src/configure.in
index 6e292c4..6bc8fd7 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -3241,9 +3241,10 @@
fi
dnl -D_FORTIFY_SOURCE=2 crashes Vim on strcpy(buf, "000") when buf is
dnl declared as char x[1] but actually longer. Introduced in gcc 4.0.
+ dnl Also remove duplicate _FORTIFY_SOURCE arguments.
AC_MSG_CHECKING(whether we need -D_FORTIFY_SOURCE=1)
if test "$gccmajor" -gt "3"; then
- CFLAGS=`echo "$CFLAGS -D_FORTIFY_SOURCE=1" | sed -e 's/-Wp,-D_FORTIFY_SOURCE=2//g' -e 's/-D_FORTIFY_SOURCE=2//g'`
+ CFLAGS=`echo "$CFLAGS" | sed -e 's/-Wp,-D_FORTIFY_SOURCE=.//g' -e 's/-D_FORTIFY_SOURCE=.//g' -e 's/$/ -D_FORTIFY_SOURCE=1/'`
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)