From df49c60c9671e4a28e636964d744c1f59fb6cb68 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Mon, 12 Jun 2000 15:00:15 +0000
Subject: Merged from 4.5.0-beta3a

---
 configure.in | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index 5ba77d2f8f..5ba2e06d2e 100644
--- a/configure.in
+++ b/configure.in
@@ -1,4 +1,3 @@
-
 dnl Process this file with autoconf to produce a configure script.
 dnl
 dnl  $Id$
@@ -7,6 +6,14 @@ AC_PREREQ(2.13)
 AC_INIT(c)
 RTEMS_TOP(.)
 
+# Abort if trying to build inside of the source tree.
+if test -f VERSION; then
+  rm -f config.cache config.log confdefs.h
+  AC_MSG_ERROR([***]
+    [Attempt to build inside of the source tree]
+    [Please use a separate build directory, instead] )
+fi
+
 RTEMS_CANONICAL_TARGET_CPU
 AM_INIT_AUTOMAKE(rtems,$RTEMS_VERSION,no)
 AM_MAINTAINER_MODE
@@ -26,7 +33,6 @@ RTEMS_ENABLE_CXX
 RTEMS_ENABLE_GCC28
 RTEMS_ENABLE_LIBCDIR
 RTEMS_ENABLE_TESTS
-RTEMS_ENABLE_HWAPI
 
 RTEMS_CHECK_CPU
 RTEMS_CANONICAL_HOST
@@ -41,7 +47,7 @@ RTEMS_CONFIG_SUBDIRS(c)
 if test "$target_alias" != "$host_alias"; then
 changequote(,)dnl
 TARGET_SUBDIRS=`echo "$target_subdirs" | \
- sed -e "s%\([^ ]\+\)%$target_alias/\1%g"`
+ sed -e "s%\([a-zA-Z0-9][a-zA-Z0-9]*\)%${target_alias}/\1%g"`
 changequote([,])dnl
 else
 TARGET_SUBDIRS="$target_subdirs"
-- 
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