Fix historic C99 incompatibility in autoconf-generated C code. No
need to upstream this because the issue goes away once upstream
re-runs autoconf as part of the next release.
diff --git a/configure b/configure
index 31b11325d1896f30..c1feba66f9eb3510 100755
--- a/configure
+++ b/configure
@@ -2653,7 +2653,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
for ac_declaration in \
- '' \
+ '#include <stdlib.h>' \
'extern "C" void std::exit (int) throw (); using std::exit;' \
'extern "C" void std::exit (int); using std::exit;' \
'extern "C" void exit (int) throw ();' \
@@ -6363,8 +6363,8 @@ main ()
for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i))
|| toupper (i) != TOUPPER (i))
- exit(2);
- exit (0);
+ return 2;
+ return 0;
}
_ACEOF
rm -f conftest$ac_exeext