configure.in: Handle --with-fast-fixincludes.

        * configure.in: Handle --with-fast-fixincludes.
        (fixincludes): If --with-fast-fixincludes, then use a different
        fixincludes program by default.
        * Makefile.in (fixinc.sh): New rule.

From-SVN: r19075

gcc/ChangeLog

+Fri Apr 10 01:29:02 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* configure.in: Handle --with-fast-fixincludes.
+	(fixincludes): If --with-fast-fixincludes, then use a different
+	fixincludes program by default.
+	* Makefile.in (fixinc.sh): New rule.
+
 Fri Apr 10 00:36:31 1998  H.J. Lu  (hjl@gnu.org)
 
 	* i386.md (movqi+1): Handle invalid QI register.

gcc/Makefile.in

@@ -1909,6 +1909,10 @@ stmp-headers: stmp-int-hdrs gfloat.h
 	else :; fi
 	touch stmp-headers
 
+fixinc.sh :
+	cd ../contrib/fixinc ; CC=$(CC) MAKE=$(MAKE) CFLAGS=$(CFLAGS) \
+		$(SHELL) mkfixinc.sh $(target) $(srcdir)
+
 # Build fixed copies of system files.
 stmp-fixinc: $(FIXINCLUDES) gsyslimits.h
 	rm -rf include

gcc/configure.in

@@ -91,6 +91,13 @@ AC_ARG_ENABLE(haifa,
 [  --enable-haifa          Use the experimental scheduler.
   --disable-haifa         Don't use the experimental scheduler for the
                           targets which normally enable it.])
+# Fast fixincludes
+#
+# This is a work in progress...
+AC_ARG_WITH(fast-fixincludes
+[  --with-fast-fixincludes    Use a faster fixinclude program.  Experimental],
+fast_fixinc="$with_fast_fixincludes",
+fast_fixinc=no)
 
 # Enable threads
 # Pass with no value to take the default
@@ -222,7 +229,9 @@ for machine in $build $host $target; do
 	# Set this to override the default target model.
 	target_cpu_default=
 	# Set this to control which fixincludes program to use.
-	fixincludes=fixincludes
+	if [ x$fast_fixinc != xyes ] ; then
+		fixincludes=fixincludes
+	else fixincludes=fixinc.sh ; fi
 	# Set this to control how the header file directory is installed.
 	install_headers_dir=install-headers-tar
 	# Set this to a non-empty list of args to pass to cpp if the target