[m-dev.] diff: add `--pic' option, for GCC back-end

[Fergus Henderson]

On 01-Mar-2001, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> Fix a problem where the nightly tests were failing the `--target asm'
> tests, because they were passing `--pic-reg', and that option was
> being used with different semantics for the gcc back-end.
> 
> compiler/options.m:
> 	Add new `--pic' option.
> 
> compiler/mlds_to_gcc.m:
> 	Use `--pic' rather than (ab)using `--pic-reg'.
> 
> doc/user_guide.texi:
> 	Document the new option.

Estimated hours taken: 0.5
Branches: main release

Fix a problem where the nightly tests were failing the `--target asm'
tests, because they were passing `--pic-reg', and that option was
being used with different semantics for the gcc back-end.

scripts/Mmake.rules:
	Use `--pic' rather than `--pic-reg'.
	(I forgot to commit this with my earlier changes.)

Workspace: /mnt/venus/home/venus/fjh/ws-venus2/mercury
Index: scripts/Mmake.rules
===================================================================
RCS file: /home/mercury1/repository/mercury/scripts/Mmake.rules,v
retrieving revision 1.90
diff -u -d -r1.90 Mmake.rules
--- scripts/Mmake.rules	2001/01/24 13:18:26	1.90
+++ scripts/Mmake.rules	2001/02/28 15:15:20
@@ -175,10 +175,9 @@
 	$(MCG) $(ALL_GRADEFLAGS) --target-code-only $(ALL_MCGFLAGS) \
 		$< > $*.err 2>&1
 
-# XXX we should probably use a new `--pic' option rather than `--pic-reg'
 $(ss_subdir)%.pic_s : %.m
 	$(MCG) $(ALL_GRADEFLAGS) --target-code-only $(ALL_MCGFLAGS) \
-		--pic-reg --cflags "$(GCCFLAGS_FOR_PIC)" $< > $*.err 2>&1
+		--pic --cflags "$(GCCFLAGS_FOR_PIC)" $< > $*.err 2>&1
 
 $(os_subdir)%.$O : $(ss_subdir)%.s
 	$(AS) $< $(OBJFILE_OPT)$@
-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
                                    |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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