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
Geoffrey Keating