diff --git a/config/ChangeLog b/config/ChangeLog
index 185ffa9f1f9..1deb4454bd0 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,12 +1,20 @@
-Tue Apr 28 07:34:11 1998  Michael Meissner  <meissner@cygnus.com>
+Wed Apr 22 12:24:28 1998  Michael Meissner  <meissner@cygnus.com>
 
-	* mt-ospace: New file for targets where space is more important
-	than speed.
+	* mt-ospace: New file, support using -Os instead of -O2 to compile
+	the libraries.
 
 Wed Apr 22 10:53:14 1998  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 
 	* mt-linux (CXXFLAGS_FOR_TARGET): Set this instead of CXXFLAGS.
 
+Sat Apr 11 22:43:17 1998  J. Kean Johnston  <jkj@sco.com>
+
+	* mh-svsv5: New file - support for SCO UnixWare 7 / SVR5.
+
+Thu Mar 26 01:54:25 1998  Geoffrey Noer  <noer@cygnus.com>
+
+	* mh-cygwin32: stop configuring and building dosrel.
+
 Thu Sep 11 16:43:27 1997  Jim Wilson  <wilson@cygnus.com>
 
 	* mh-elfalphapic, mt-elfalphapic: New files.
diff --git a/config/mh-cygwin32 b/config/mh-cygwin32
index 3f6c1c6cbeb..29f165667a1 100644
--- a/config/mh-cygwin32
+++ b/config/mh-cygwin32
@@ -4,13 +4,6 @@ CFLAGS=-O2
 CXXFLAGS=-O2
 
 # We also need to override LIBGCC2_DEBUG_CFLAGS so libgcc2 will be
-# build without debugging information
+# built without debugging information
 
 LIBGCC2_DEBUG_CFLAGS=
-
-# We set MAKEINFOFLAGS to not split .info files, because the resulting
-# file names don't work on DOS.
-MAKEINFOFLAGS=--no-split
-
-# custom installation rules for cygwin32 (append .exe to binaries, etc.)
-INSTALL_DOSREL=install-dosrel
diff --git a/config/mh-sysv5 b/config/mh-sysv5
new file mode 100644
index 00000000000..1fa38e53cc8
--- /dev/null
+++ b/config/mh-sysv5
@@ -0,0 +1,8 @@
+# Define SYSV as -DSYSV if you are using a System V operating system.
+SYSV = -DSYSV -DSVR4 -DSVR5
+RANLIB = true
+
+# The l flag generates a warning from the SVR4 archiver, remove it.
+AR_FLAGS = cr
+
+X11_EXTRA_LIBS = -lnsl