configure.in (build_xm_file): Add auto-config.h if host=build.

* configure.in (build_xm_file): Add auto-config.h if host=build.
(host_xm_file_list): Don't add $(srcdir) to auto-config.h.
(build_xm_file_list): Likewise.
* configure: Rebuild.

From-SVN: r17483

gcc/ChangeLog

+Sun Jan 25 22:10:21 1998  Richard Henderson  <rth@cygnus.com>
+
+	* configure.in (build_xm_file): Add auto-config.h if host=build.
+	(host_xm_file_list): Don't add $(srcdir) to auto-config.h.
+	(build_xm_file_list): Likewise.
+	* configure: Rebuild.
+	
 Sun Jan 25 22:00:25 1998  Alasdair Baird <alasdair@wildcat.demon.co.uk>
 
 	* recog.c (validate_replace_rtx_1): Only perform substitutions

gcc/configure.in

@@ -2826,6 +2826,15 @@ fi
 # auto-conf.h is the file containing items generated by autoconf and is
 # the first file included by config.h.
 host_xm_file="auto-config.h ${host_xm_file}"
+
+# If host=build, it is correct to have hconfig include auto-conf.h
+# as well.  If host!=build, we are in error and need to do more 
+# work to find out the build config parameters.
+if [[ x$host = x$build ]]
+then
+	build_xm_file="auto-config.h ${build_xm_file}"
+fi
+
 vars="host_xm_file tm_file xm_file build_xm_file"
 links="config.h tm.h tconfig.h hconfig.h"
 
@@ -2917,12 +2926,20 @@ done
 
 host_xm_file_list=
 for f in $host_xm_file; do
-	host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
+	if test $f != "auto-config.h"; then
+		host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
+	else
+		host_xm_file_list="${host_xm_file_list} auto-config.h"
+	fi
 done
 
 build_xm_file_list=
 for f in $build_xm_file; do
-	build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
+	if test $f != "auto-config.h"; then
+		build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
+	else
+		build_xm_file_list="${build_xm_file_list} auto-config.h"
+	fi
 done
 
 # Define macro CROSS_COMPILE in compilation