From 1b8a4ef39ffdd1f2f23d511b5d28f007246cb5a9 Mon Sep 17 00:00:00 2001
From: Jeff Law <law@gcc.gnu.org>
Date: Sun, 18 Oct 1998 11:37:10 -0600
Subject: [PATCH] config.if (cxx_interface, [...]): Do not try to set these if
 the appropriate directories and files to not exist.

P
        * config.if (cxx_interface, libstdcxx_interface): Do not try to set
        these if the appropriate directories and files to not exist.

From-SVN: r23166
---
 config.if | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/config.if b/config.if
index 795119e65e6..bcc026908d8 100644
--- a/config.if
+++ b/config.if
@@ -21,11 +21,19 @@ else
   if_topsrcdir=${top_srcdir}
 fi
 
+if [ -f ${if_topsrcdir}/libstdc++/Makefile.in ]; then
 # We check libstdc++ for libstdcxx_interface.
 libstdcxx_interface=`grep "^INTERFACE" ${if_topsrcdir}/libstdc++/Makefile.in | sed 's/INTERFACE[ 	]*=[ 	]*\(.*\)/\1/'`
+else
+libstdcxx_interface=
+fi
 
+if [ -f ${if_topsrcdir}/gcc/cp/Makefile.in ]; then
 # We check gcc/cp for cxx_interface.
 cxx_interface=`grep "^INTERFACE" ${if_topsrcdir}/gcc/cp/Makefile.in | sed 's/INTERFACE[ 	]*=[ 	]*\(.*\)/\1/'`
+else
+cxx_interface=
+fi
 
 # The trickiest part is libc_interface.
 if [ -z "${libc_interface}" ]
-- 
2.30.2