Enable dosrel for special dos installation (appending of .exe to

installed binaries, etc...) for cygwin32-hosted toolchains.  New
config/mh-cygwin32 which enables this.

Removed diff from list of things not buildable via Canadian Cross

config/ChangeLog

@@ -1,5 +1,23 @@
+Sun Jun 23 22:59:25 1996  Geoffrey Noer  <noer@cygnus.com>
+
+	* mh-cygwin32: new file.  Like mh-go32 without the CFLAGS entry.
+
+Tue Mar 26 14:10:41 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+	* mh-go32 (CFLAGS): Define.
+
+Thu Mar 14 19:20:54 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+	* mh-necv4: New file.
+
 Thu Feb 15 13:07:43 1996  Ian Lance Taylor  <ian@cygnus.com>
 
+	* mh-cxux (CC): New variable.
+	(CFLAGS, LDFLAGS): Remove.
+	* mh-ncrsvr43 (CC): New variable.
+	(CFLAGS): Remove.
+	* mh-solaris (CFLAGS): Remove.
+
 	* mh-go32: Remove most variable settings, since they presumed a
 	Canadian Cross, which is now handled correctly by the configure
 	script.

config/mh-cygwin32

@@ -0,0 +1,6 @@
+# We set MAKEINFOFLAGS to not split .info files, because the resulting
+# file names don't work on DOS.
+MAKEINFOFLAGS=--no-split
+
+# This does some sort of DOS specific installation, I guess.
+INSTALL_DOSREL=install-dosrel

configure.in

@@ -134,6 +134,7 @@ case "${host}" in
   i[345]86-*-solaris2*)   host_makefile_frag=config/mh-sysv4 ;;
   i[345]86-*-aix*)	  host_makefile_frag=config/mh-aix386 ;;
   i[345]86-*-go32*)	  host_makefile_frag=config/mh-go32 ;;
+  *-cygwin32*)	  	  host_makefile_frag=config/mh-cygwin32 ;;
   vax-*-ultrix2*)         host_makefile_frag=config/mh-vaxult2 ;;
   *-*-solaris2*)          host_makefile_frag=config/mh-solaris ;;
   m68k-sun-sunos*)	  host_makefile_frag=config/mh-sun3 ;;
@@ -355,6 +356,8 @@ done
 case "${host}" in
 	i[345]86-*-go32*)
 	  configdirs="$configdirs dosrel" ;;
+	*-cygwin32*)
+	  configdirs="$configdirs dosrel" ;;
 esac
 
 # Remove more programs from consideration, based on the host or 
@@ -580,7 +583,7 @@ esac
 # If we are building a Canadian Cross, discard tools that can not be built
 # using a cross compiler.  FIXME: These tools should be fixed.
 if [ "${build}" != "${host}" ]; then
-  noconfigdirs="$noconfigdirs expect dejagnu texinfo diff"
+  noconfigdirs="$noconfigdirs tcl tk expect dejagnu texinfo"
 fi
 
 # Make sure we don't let GNU ld be added if we didn't want it.