--- Makefile.orig	Sun May 10 23:19:42 1998
+++ Makefile	Sat May 23 13:27:52 1998
@@ -107,20 +107,20 @@
 
 #(Linux - on modern systems, all you need to do is rename or remove
 # compat/include/sys/cdefs.h.  See doc/info/Linux for more information.)
-#CC = gcc $(CPPFLAGS)
-#CDEBUG = -g
-#CPPFLAGS = -DSYSV
-#LEX=flex -8 -I
-#INSTALL_COMPAT = install-compat
-#LIBS = -lfl
-#DESTEXEC = /usr/sbin
-#DESTMAN = /usr/man
-#MANDIR = man
-#MANROFF = cat
-#DESTHELP = /usr/lib
-#CATEXT = $$$$N
-#PS = ps -p
-#IOT = IOT
+CC = gcc $(CPPFLAGS)
+CDEBUG = 
+CPPFLAGS = -DSYSV
+LEX=flex -8 -I
+INSTALL_COMPAT = install-compat
+LIBS = -lfl
+DESTEXEC = /usr/sbin
+DESTMAN = /usr/man
+MANDIR = man
+MANROFF = cat
+DESTHELP = /usr/lib
+CATEXT = $$$$N
+PS = ps -p
+IOT = IOT
 #uncomment next line to build a shared library version of libresolv
 #SHRES = shres/linux
 #uncomment next line to build tools and named with shared libresolv
@@ -999,3 +999,7 @@
 		2>&1 | grep '\.[ch]:[0-9]'
 
 FRC:
+	# Enable the following lines for Linux.
+	if [ -f compat/include/sys/cdefs.h ]; then \
+	  mv compat/include/sys/cdefs.h compat/include/sys/cdefs.h.old; \
+	fi