Try to be a little smarter about touching the date on assym.s, so that

if something changes which doesn't affect it, locore doesn't have to get
rebuilt.  This is at the cost of a genassym and a cmp in every compile,
until someone can figure out how to make `make' smarter itself.

diff --git a/sys/i386/conf/Makefile.i386 b/sys/i386/conf/Makefile.i386
index e026cdf..25bf3e7 100644 (file)
--- a/sys/i386/conf/Makefile.i386
+++ b/sys/i386/conf/Makefile.i386
@@ -1,6 +1,6 @@
 # Copyright 1990 W. Jolitz
 #      from: @(#)Makefile.i386 7.1 5/10/91
 # Copyright 1990 W. Jolitz
 #      from: @(#)Makefile.i386 7.1 5/10/91

-#      $Id: Makefile.i386,v 1.10 1993/10/23 08:28:17 nate Exp $
+#      $Id: Makefile.i386,v 1.11 1993/11/07 04:41:11 wollman Exp $

 #
 # Makefile for FreeBSD
 #
 #
 # Makefile for FreeBSD
 #


@@ -67,13 +67,13 @@ PROFILE_C=  ${CC} -S -c ${CFLAGS} $< ; \
 
 clean:
        rm -f eddep *386bsd tags *.o locore.i [a-uw-z]*.s \
 
 clean:
        rm -f eddep *386bsd tags *.o locore.i [a-uw-z]*.s \

-               errs linterrs makelinks genassym
+               errs linterrs makelinks genassym ,assym.s stamp-assym

 
 

-lint: /tmp param.c
-       @lint -hbxn -I. -DGENERIC -Dvolatile= ${COPTS} ${PARAM} \
-         ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
-           grep -v 'struct/union .* never defined' | \
-           grep -v 'possible pointer alignment problem'
+#lint: /tmp param.c
+#      @lint -hbxn -I. -DGENERIC -Dvolatile= ${COPTS} ${PARAM} \
+#        ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
+#          grep -v 'struct/union .* never defined' | \
+#          grep -v 'possible pointer alignment problem'

 
 symbols.sort: ${I386}/i386/symbols.raw
        grep -v '^#' ${I386}/i386/symbols.raw \
 
 symbols.sort: ${I386}/i386/symbols.raw
        grep -v '^#' ${I386}/i386/symbols.raw \


@@ -95,16 +95,21 @@ autoconf.o: Makefile
 # depend on network configuration
 af.o uipc_proto.o locore.o: Makefile
 
 # depend on network configuration
 af.o uipc_proto.o locore.o: Makefile
 

-# depend on maxusers
-assym.s: Makefile
-

 # depends on KDB (cons.o also depends on GENERIC)
 trap.o cons.o: Makefile
 
 assym.s: genassym
 # depends on KDB (cons.o also depends on GENERIC)
 trap.o cons.o: Makefile
 
 assym.s: genassym

-       ./genassym >assym.s
-
-genassym:
+       ./genassym >,assym.s
+       if cmp -s assym.s ,assym.s; then \
+               rm -f ,assym.s; \
+       else \
+               rm -f assym.s; \
+               mv ,assym.s assym.s; \
+       fi
+
+# Some of the defines that genassym outputs may well depend on the 
+# value of kernel options.
+genassym:      Makefile

        ${CC} ${INCLUDES} -DKERNEL ${IDENT} ${PARAM} \
                 ${I386}/i386/genassym.c -o genassym
 
        ${CC} ${INCLUDES} -DKERNEL ${IDENT} ${PARAM} \
                 ${I386}/i386/genassym.c -o genassym