From 3fd30b88dfb2aca4bad797fa7b287556d663562a Mon Sep 17 00:00:00 2001
From: Geoffrey Keating <geoffk@apple.com>
Date: Wed, 18 May 2005 20:45:26 +0000
Subject: dummy-checksum.c: New.

2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* dummy-checksum.c: New.
	* genchecksum.c: New.
	* c.opt (print_pch_checksum): New flag.
	* c-pch.c (struct c_pch_validity): Make much shorter.
	(no_checksum): New.
	(host_machine): Remove.
	(target_machine): Remove.
	(get_ident): Change PCH version number.
	(pch_init): When -fverbose-asm, print out the compiler fingerprint.
	Don't put triplets or version string in PCH validity data.
	Do put the compiler checksum in the validity data.
	(c_common_valid_pch): Don't check triplets or version string.  Do
	check checksum.
	(c_common_print_pch_checksum): New.
	* c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
	Print fingerprint with -v.
	* c-common.h (c_common_print_pch_checksum): New.
	(executable_checksum): New.
	* Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
	(cc1-dummy): New rule.
	(cc1-checksum.c): New rule.
	(cc1-checksum.o): New rule.
	(cc1): Add checksum support.
	(build/genchecksum): New.
	(build/genchecksum.o): New.
	(dummy-checksum.o): New.
	(genobjnames): Add genchecksum.o.
	(mostlyclean): Remove *-checksum.c.
	(gnucompare): Add libgcc to list of directories checked.
	Make comparison problems in libgcc/ and with checksum files only
	be warnings.
	* doc/invoke.texi (Precompiled Headers): Remove caution.
	Document that it must be the exact same binary.  Add a few
	known-safe flags to the list.

In cp/:
2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* Make-lang.in (cc1plus-dummy): New.
	(cc1plus-checksum.c): New.
	(cc1plus-checksum.o): New.
	(cc1plus): Add cc1plus-checksum.o.

In objc/:
2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* Make-lang.in (cc1obj-dummy): New.
	(cc1obj-checksum.c): New.
	(cc1obj-checksum.o): New.
	(cc1obj): Add cc1obj-checksum.o.

In objcp/:
2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* Make-lang.in (cc1objplus-dummy): New.
	(cc1objplus-checksum.c): New.
	(cc1objplus-checksum.o): New.
	(cc1objplus): Add cc1objplus-checksum.o.

From-SVN: r99928
---
 gcc/objc/Make-lang.in | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'gcc/objc/Make-lang.in')

diff --git a/gcc/objc/Make-lang.in b/gcc/objc/Make-lang.in
index 10496c4..4c1698a 100644
--- a/gcc/objc/Make-lang.in
+++ b/gcc/objc/Make-lang.in
@@ -50,9 +50,20 @@ objc-warn = $(STRICT_WARN)
 # Language-specific object files for Objective C.
 OBJC_OBJS = objc/objc-lang.o objc/objc-act.o
 
-cc1obj$(exeext): $(OBJC_OBJS) $(C_AND_OBJC_OBJS) $(BACKEND) $(LIBDEPS)
+cc1obj-dummy$(exeext): $(OBJC_OBJS) $(C_AND_OBJC_OBJS) dummy-checksum.o $(BACKEND) $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ \
-		$(OBJC_OBJS) $(C_AND_OBJC_OBJS) $(BACKEND) $(LIBS)
+	      $(OBJC_OBJS) $(C_AND_OBJC_OBJS) dummy-checksum.o \
+	      $(BACKEND) $(LIBS)
+
+cc1obj-checksum.c : cc1obj-dummy$(exeext) build/genchecksum$(exeext)
+	build/genchecksum$(exeext) cc1obj-dummy$(exeext) > $@
+
+cc1obj-checksum.o : cc1obj-checksum.c
+
+cc1obj$(exeext): $(OBJC_OBJS) $(C_AND_OBJC_OBJS) cc1obj-checksum.o $(BACKEND) $(LIBDEPS)
+	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ \
+	      $(OBJC_OBJS) $(C_AND_OBJC_OBJS) cc1obj-checksum.o \
+	      $(BACKEND) $(LIBS)
 
 # Objective C language specific files.
 
-- 
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