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lightning.pb-c.c lightning.pb-c.h: don't generate if unchanged. 

Just like man pages, git can mess us up here.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2016-11-08 22:00:55 +10:30
parent 4151537b71
commit e40f864567
1 changed files with 4 additions and 2 deletions
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6
Makefile
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@ -189,8 +189,10 @@ $(PROGRAMS): CFLAGS+=-I.
default: $(PROGRAMS) $(MANPAGES) daemon-all
# Git doesn't maintain timestamps, so we only regen if git says we should.
CHANGED_FROM_GIT = [ x"`git log $@ | head -n1`" != x"`git log $< | head -n1`" -o x"`git diff $<`" != x"" ]
$(MANPAGES): doc/%: doc/%.txt
if [ "`git log $@ | head -n1`" != "`git log $< | head -n1`" ] || [ "`git diff $<`" != "" ]; then a2x --format=manpage $<; else touch $@; fi
@if $(CHANGED_FROM_GIT); then echo a2x --format=manpage $<; a2x --format=manpage $<; else touch $@; fi
# Everything depends on the CCAN headers.
$(CCAN_OBJS) $(CDUMP_OBJS) $(HELPER_OBJS) $(BITCOIN_OBJS) $(TEST_PROGRAMS:=.o) ccan/ccan/cdump/tools/cdump-enumstr.o: $(CCAN_HEADERS)
@ -263,7 +265,7 @@ secp256k1/libsecp256k1.la:
$(MAKE) -C secp256k1 install-exec
lightning.pb-c.c lightning.pb-c.h: lightning.proto
$(PROTOCC) lightning.proto --c_out=.
@if $(CHANGED_FROM_GIT); then echo $(PROTOCC) lightning.proto --c_out=.; $(PROTOCC) lightning.proto --c_out=.; else touch $@; fi
$(TEST_PROGRAMS): % : %.o $(BITCOIN_OBJS) $(CCAN_OBJS) utils.o version.o libsecp256k1.a