OpenE2K/binutils-gdb
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Use a stamp file for init.c

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This introduces a stamp file for init.c.  This prevents constant
rebuilds of init.o, by arranging for init.c to only be modified when
its contents change.  (FWIW this is a standard idiom in use by
Automake and by gdb itself for many years.)

gdb/ChangeLog
2018-07-09  Tom Tromey  <tom@tromey.com>

	* Makefile.in (init.c): Depend on stamp-init.
	(stamp-init): New rule, from init.c rule.
	(clean mostlyclean): Remove stamp-init.
This commit is contained in:
Tom Tromey 2018-07-02 07:03:13 -06:00
parent 4c7549492b
commit 1998086d54
2 changed files with 11 additions and 4 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2018-07-09 Tom Tromey <tom@tromey.com>
* Makefile.in (init.c): Depend on stamp-init.
(stamp-init): New rule, from init.c rule.
(clean mostlyclean): Remove stamp-init.
2018-07-09 Tom Tromey <tom@tromey.com>
* Makefile.in (INIT_FILES): Remove CONFIG_SRCS,

9
gdb/Makefile.in
View File

@ -1849,7 +1849,8 @@ test-cp-name-parser$(EXEEXT): test-cp-name-parser.o $(LIBIBERTY)
# in sub-directories such as cli/ and mi/.
INIT_FILES = $(COMMON_OBS)
init.c: $(INIT_FILES)
init.c: stamp-init; @true
stamp-init: $(INIT_FILES)
@$(ECHO_INIT_C) echo "Making init.c"
@rm -f init.c-tmp init.l-tmp
@touch init.c-tmp
@ -1879,8 +1880,8 @@ init.c: $(INIT_FILES)
@echo '{' >>init.c-tmp
@sed -e 's/\(.*\)/ _initialize_\1 ();/' <init.l-tmp >>init.c-tmp
@echo '}' >>init.c-tmp
@rm init.l-tmp
@mv init.c-tmp init.c
@$(SHELL) $(srcdir)/../move-if-change init.c-tmp init.c
@echo stamp > stamp-init
.PRECIOUS: init.c
@ -1947,7 +1948,7 @@ tags: TAGS
clean mostlyclean: $(CONFIG_CLEAN)
@$(MAKE) $(FLAGS_TO_PASS) DO=clean "DODIRS=$(CLEANDIRS)" subdir_do
rm -f *.o *.a $(ADD_FILES) *~ init.c-tmp init.l-tmp version.c-tmp
rm -f init.c version.c
rm -f init.c stamp-init version.c
rm -f gdb$(EXEEXT) core make.log
rm -f gdb[0-9]$(EXEEXT)
rm -f test-cp-name-parser$(EXEEXT)