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authorTom Tromey <tom@tromey.com>2018-07-02 07:06:27 -0600
committerTom Tromey <tom@tromey.com>2018-07-09 08:03:49 -0600
commit5d3c3a68c3ffe37c06a7a8dad30c19241bd39f7a (patch)
tree8ad646b92122c5d55a90cc0fd58eaecb9a8f8f95 /gdb/Makefile.in
parent1998086d5436499e8eaf16772e300459662c3d7c (diff)
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Use a stamp file for version.c
This introduces a stamp file for version.c, preventing unnecessary version.o rebuilds. gdb/ChangeLog 2018-07-09 Tom Tromey <tom@tromey.com> * Makefile.in (clean mostlyclean): Remove stamp-version. (version.c): Depend on stamp-version. (stamp-version): New rule, from version.c rule.
Diffstat (limited to 'gdb/Makefile.in')
-rw-r--r--gdb/Makefile.in12
1 files changed, 9 insertions, 3 deletions
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index d14e867..fa93ac3 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1948,7 +1948,7 @@ tags: TAGS
clean mostlyclean: $(CONFIG_CLEAN)
@$(MAKE) $(FLAGS_TO_PASS) DO=clean "DODIRS=$(CLEANDIRS)" subdir_do
rm -f *.o *.a $(ADD_FILES) *~ init.c-tmp init.l-tmp version.c-tmp
- rm -f init.c stamp-init version.c
+ rm -f init.c stamp-init version.c stamp-version
rm -f gdb$(EXEEXT) core make.log
rm -f gdb[0-9]$(EXEEXT)
rm -f test-cp-name-parser$(EXEEXT)
@@ -2138,9 +2138,15 @@ $(srcdir)/copying.c: @MAINTAINER_MODE_TRUE@ $(srcdir)/../COPYING3 $(srcdir)/copy
< $(srcdir)/../COPYING3 > $(srcdir)/copying.tmp
mv $(srcdir)/copying.tmp $(srcdir)/copying.c
-version.c: Makefile version.in $(srcdir)/../bfd/version.h $(srcdir)/common/create-version.sh
+version.c: stamp-version; @true
+# Note that the obvious names for the temp file are taken by
+# create-version.sh.
+stamp-version: Makefile version.in $(srcdir)/../bfd/version.h $(srcdir)/common/create-version.sh
$(ECHO_GEN) $(SHELL) $(srcdir)/common/create-version.sh $(srcdir) \
- $(host_alias) $(target_alias) version.c
+ $(host_alias) $(target_alias) version-t.t
+ @$(SHELL) $(srcdir)/../move-if-change version-t.t version.c
+ @echo stamp > stamp-version
+
lint: $(LINTFILES)
$(LINT) $(INCLUDE_CFLAGS) $(LINTFLAGS) $(LINTFILES) \