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| author | Uwe Kleine-König <uwe@kleine-koenig.org> | 2017-09-14 20:45:40 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2017-11-10 10:13:37 +0100 |
| commit | 5844e1713cf68cb24a1692bb6ac2e776f4e87ce0 (patch) | |
| tree | 752168b1782112ecc9825ea4cbbed759313990bc | |
| parent | 325817fe36eceabcd3bdc3a21d84dcb394d7e68e (diff) | |
| download | sparse-dev-5844e1713cf68cb24a1692bb6ac2e776f4e87ce0.tar.gz | |
build: only generate version.h when needed
This way version.h isn't generated when running $(make clean) but only
when lib.c is about to be compiled.
This simplifies packaging for Debian because the package building programs
abort when there are additional files after $(make clean).
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
| -rw-r--r-- | Makefile | 22 |
1 files changed, 14 insertions, 8 deletions
@@ -1,13 +1,5 @@ VERSION=0.5.1 -# Generating file version.h if current version has changed -SPARSE_VERSION:=$(shell git describe 2>/dev/null || echo '$(VERSION)') -VERSION_H := $(shell cat version.h 2>/dev/null) -ifneq ($(lastword $(VERSION_H)),"$(SPARSE_VERSION)") -$(info $(shell echo ' GEN 'version.h)) -$(shell echo '#define SPARSE_VERSION "$(SPARSE_VERSION)"' > version.h) -endif - OS = linux @@ -199,6 +191,18 @@ cflags += $($(*)-cflags) $(CPPFLAGS) $(CFLAGS) selfcheck: $(OBJS:.o=.sc) +SPARSE_VERSION:=$(shell git describe 2>/dev/null || echo '$(VERSION)') +lib.o: version.h +version.h: FORCE + @echo '#define SPARSE_VERSION "$(SPARSE_VERSION)"' > version.h.tmp + @if cmp -s version.h version.h.tmp; then \ + rm version.h.tmp; \ + else \ + echo ' GEN '$@; \ + mv version.h.tmp version.h; \ + fi + + clean: clean-check rm -f *.[oa] .*.d *.so $(PROGRAMS) $(SLIB_FILE) pre-process.h version.h @@ -220,3 +224,5 @@ clean-check: -o -name "*.c.error.got" \ -o -name "*.c.error.diff" \ \) -exec rm {} \; + +.PHONY: FORCE |