From e57196a0a18dc0e667dcb6ec817348550453d5aa Mon Sep 17 00:00:00 2001
From: Dave Love <fx@gnu.org>
Date: Fri, 18 Feb 2000 19:52:52 +0000
Subject: [PATCH] Define NON_GNU_CPP on alpha-dec-osf5+.

---
 configure.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.in b/configure.in
index 2c999c2ce5f..a8c135c53ee 100644
--- a/configure.in
+++ b/configure.in
@@ -252,6 +252,12 @@ case "${canonical}" in
     # This is needed to find X11R6.1 libraries for certain tests.
     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
+    case "${canonical}" in
+    # This is necessary on 5.0 to avoid mangling src/Makefile.
+    # Separated out in case it causes problems on earlier versions.
+    alpha*-dec-osf[5-9])
+      NON_GNU_CPP='cc -E -std0' ;;
+    esac
   ;;
 
   alpha*-*-linux-gnu* )
-- 
2.39.5