On Mon, Nov 14, 2005 at 02:05:47PM -0800, H. J. Lu wrote:
> On Mon, Nov 14, 2005 at 12:52:49PM -0800, Mike Stump wrote:
> > On Nov 14, 2005, at 9:14 AM, H. J. Lu wrote:
> > >Can we change it to something like
> > >
> > >gcc (GCC) 4.1.0 20051113 (revision 106863) (experimental)
> > 
> > Doesn't work, unless you also have the branch name.  Further, the  
> > substitutions that svn can do, doesn't allow for the above, and they  
> > don't want to `fix' svn to do it (see the FAQ).  (I think I'd like it  
> > too.)
> 

I am enclosing 2 patches:

1. contrib/gcc_update creates gcc/REVISION with branch name and
revision number.
2. If gcc/REVISION exists, it will be used in gcc/version.c.

With those 2 patches, I got

[EMAIL PROTECTED] gcc]$ ./xgcc --version
xgcc (GCC) 4.1.0 (gcc-4_1-branch revision 108596) 20051215 (prerelease)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is
NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.

and

[EMAIL PROTECTED] gcc]$ ./xgcc --version
xgcc (GCC) 4.2.0 (trunk revision 108596) 20051215 (experimental)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is
NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.


H.J.
2005-12-15  H.J. Lu  <[EMAIL PROTECTED]>

        * gcc_update: Create gcc/REVISION with branch name and revision
        number.

Index: contrib/gcc_update
===================================================================
--- contrib/gcc_update  (revision 108596)
+++ contrib/gcc_update  (working copy)
@@ -250,8 +250,18 @@
     exit 1
 fi
 
+rm -f info.$$
+
+svn info > info.$$
+revision=`grep Revision: info.$$ | awk '{ print $2 }'`
+branch=`grep URL: info.$$ | sed -e "s,.*/,,g"`
 {
   date
-  echo "`TZ=UTC date` (revision `svnversion .`)"
+  echo "`TZ=UTC date` (revision $revision)"
 } > LAST_UPDATED
+
+rm -f info.$$
+
+echo "($branch revision $revision)" > gcc/REVISION
+
 touch_files_reexec
2005-12-15  H.J. Lu  <[EMAIL PROTECTED]>

        * Makefile.in (REVISION): New.
        (REVISION_c): New.
        (REVISION_s): New.
        (version.o): Also depend on $(REVISION). Add
        -DREVISION=$(REVISION_s).

        * version.c (version_string): Add REVISION.

--- gcc/Makefile.in.rev 2005-12-13 12:08:07.000000000 -0800
+++ gcc/Makefile.in     2005-12-15 13:45:05.000000000 -0800
@@ -708,11 +708,18 @@ TM_H      = $(GTM_H) insn-constants.h in
 BASEVER     := $(srcdir)/BASE-VER  # 4.x.y
 DEVPHASE    := $(srcdir)/DEV-PHASE # experimental, prerelease, ""
 DATESTAMP   := $(srcdir)/DATESTAMP # YYYYMMDD or empty
+REVISION    := $(srcdir)/REVISION  # (BRANCH revision XXXXXX)
 
 BASEVER_c   := $(shell cat $(BASEVER))
 DEVPHASE_c  := $(shell cat $(DEVPHASE))
 DATESTAMP_c := $(shell cat $(DATESTAMP))
 
+ifeq (,$(wildcard $(REVISION)))
+REVISION    :=
+else
+REVISION_c  := $(shell cat $(REVISION))
+endif
+
 version     := $(BASEVER_c)
 
 # For use in version.c - double quoted strings, with appropriate
@@ -724,6 +731,12 @@ BASEVER_s   := "\"$(BASEVER_c)\""
 DEVPHASE_s  := "\"$(if $(DEVPHASE_c), ($(DEVPHASE_c)))\""
 DATESTAMP_s := "\"$(if $(DEVPHASE_c), $(DATESTAMP_c))\""
 
+ifdef REVISION_c
+REVISION_s  := "\"$(if $(DEVPHASE_c), $(REVISION_c))\""
+else
+REVISION_s  :=
+endif
+
 # Shorthand variables for dependency lists.
 TARGET_H = $(TM_H) target.h insn-modes.h
 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
@@ -1724,9 +1737,10 @@ options.o: options.c $(CONFIG_H) $(SYSTE
 
 dumpvers: dumpvers.c
 
-version.o: version.c version.h $(DATESTAMP) $(BASEVER) $(DEVPHASE)
+version.o: version.c version.h $(REVISION) $(DATESTAMP) $(BASEVER) $(DEVPHASE)
        $(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
        -DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
+       -DREVISION=$(REVISION_s) \
        -DDEVPHASE=$(DEVPHASE_s) -c $(srcdir)/version.c $(OUTPUT_OPTION)
 
 gtype-desc.o: gtype-desc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
--- gcc/version.c.rev   2005-11-04 14:14:18.000000000 -0800
+++ gcc/version.c       2005-12-15 13:28:03.000000000 -0800
@@ -20,6 +20,7 @@
 const char bug_report_url[] = "<URL:http://gcc.gnu.org/bugs.html>";
 
 /* The complete version string, assembled from several pieces.
-   BASEVER, DATESTAMP, and DEVPHASE are defined by the Makefile.  */
+   BASEVER, REVISION, DATESTAMP, and DEVPHASE are defined by the
+   Makefile.  */
 
-const char version_string[] = BASEVER DATESTAMP DEVPHASE VERSUFFIX;
+const char version_string[] = BASEVER REVISION DATESTAMP DEVPHASE VERSUFFIX;

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