From abd9f14c3bd419fcb0c602b75e9f96b6752734b2 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Fri, 19 May 2000 18:14:18 +0000
Subject: [PATCH] 20000-05-19  H.J. Lu  (hjl@gnu.org)

	* configure: Provide --disable-target-dir-sanity-checking to
	disable the gcc directory checking for cross compiling.
---
 ChangeLog |  5 +++++
 configure | 17 +++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 7b22d4fd9..2960f08cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+20000-05-19  H.J. Lu  (hjl@gnu.org)
+
+	* configure: Provide --disable-target-dir-sanity-checking to
+	disable the gcc directory checking for cross compiling.
+
 20000-05-18  H.J. Lu  (hjl@gnu.org)
 
 	* configure: Ask to create the gcc directory for cross
diff --git a/configure b/configure
index fbf5ab584..fb636f849 100755
--- a/configure
+++ b/configure
@@ -753,8 +753,21 @@ target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 target=${target_cpu}-${target_vendor}-${target_os}
 
-if [ x${target} != x${build} -a x${build} = x${host} ]; then
-    if [ x${gcc_version} != x -a ! -d ${prefix}/lib/gcc-lib/${target_alias}/${gcc_version} ]; then
+# We have to make sure the gcc directory exists for the non-canadian
+# cross compiler if necessary. In that case, we will run the cross
+# compiler we just build to compile other stuff. Due to how the cross
+# compiler finds the C header files, the gcc directory may be needed
+# for successful cross-compilation. This sanity check can be disabled
+# by passing
+#
+#	--disable-target-dir-sanity-checking
+#
+# to configure.
+if test x${target} != x${build} && test x${build} = x${host} ; then
+    if test x${enable_target_dir_sanity_checking} != xno \
+       && test x${gcc_version} != x \
+       && test -d ${prefix}/${target_alias} \
+       && test ! -d ${prefix}/lib/gcc-lib/${target_alias}/${gcc_version} ; then
     	echo "Please create the directory:" 1>&2
     	echo 1>&2
 	echo "	${prefix}/lib/gcc-lib/${target_alias}/${gcc_version}" 1>&2