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| author | Maria Matejka <mq@ucw.cz> | 2019-03-15 15:07:00 +0100 |
|---|---|---|
| committer | Maria Matejka <mq@ucw.cz> | 2019-03-18 12:32:11 +0100 |
| commit | 5d511948cddee415c2f0f1103bda0468a193f2d6 (patch) | |
| tree | 7e3d0dd844f93686c43fb9f8db787caa38f7b1b0 /Makefile.in | |
| parent | 875cc073b067f295cccc668008e10218f8e98dd3 (diff) | |
| download | bird-5d511948cddee415c2f0f1103bda0468a193f2d6.tar.gz | |
Build: Automatic dependency tracking for generated files
Diffstat (limited to 'Makefile.in')
| -rw-r--r-- | Makefile.in | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/Makefile.in b/Makefile.in index 0ecd6811..98047e0c 100644 --- a/Makefile.in +++ b/Makefile.in @@ -65,7 +65,8 @@ endif docgoals := docs userdocs progdocs testgoals := check test tests tests_run cleangoals := clean distclean testsclean -.PHONY: all daemon cli $(docgoals) $(testgoals) $(cleangoals) tags cscope +.PHONY: all daemon cli $(docgoals) $(testgoals) $(cleangoals) tags cscope prepare + all: daemon cli daemon: $(daemon) @@ -103,35 +104,50 @@ include $(addsuffix /Makefile,$(addprefix $(srcdir)/,$(dirs))) # Generic rules # Object file rules -$(objdir)/%.o: $(srcdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h +$(objdir)/%.o: $(srcdir)/%.c | prepare $(E)echo CC -o $@ -c $< $(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -c $< -$(objdir)/%.o: $(objdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h +$(objdir)/%.o: $(objdir)/%.c | prepare $(E)echo CC -o $@ -c $< $(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -c $< # Debug: Preprocessed source rules -$(objdir)/%.E: $(srcdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h +$(objdir)/%.E: $(srcdir)/%.c | prepare $(E)echo CC -o $@ -E $< $(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -E $< -$(objdir)/%.E: $(objdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h +$(objdir)/%.E: $(objdir)/%.c | prepare $(E)echo CC -o $@ -E $< $(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -E $< # Debug: Assembler object rules -$(objdir)/%.S: $(srcdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h +$(objdir)/%.S: $(srcdir)/%.c | prepare $(E)echo CC -o $@ -S $< $(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -S $< -$(objdir)/%.S: $(objdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h +$(objdir)/%.S: $(objdir)/%.c | prepare $(E)echo CC -o $@ -S $< $(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -S $< +# Finally include the computed dependencies: +DEPS = $(shell find $(objdir) -name '*.d') + +# ## if there is at least one non-clean goal +ifneq ($(filter-out $(cleangoals),$(MAKECMDGOALS)),) +-include $(DEPS) +endif + +# ## if the implicit goal is called +ifeq ($(MAKECMDGOALS),) +-include $(DEPS) +endif +# Rule for pre-generating all generated includables +# before compiling any C file +prepare: $(objdir)/sysdep/paths.h | $(objdir)/.dir-stamp -$(objdir)/.dir-stamp: +$(objdir)/.dir-stamp: Makefile $(E)echo MKDIR -p $(addprefix $(objdir)/,$(dirs) doc) $(Q)mkdir -p $(addprefix $(objdir)/,$(dirs) doc) $(Q)touch $@ @@ -150,7 +166,7 @@ $(objdir)/sysdep/paths.h: Makefile tests_targets_ok = $(addsuffix .ok,$(tests_targets)) -$(tests_targets): %: %.o $(tests_objs) +$(tests_targets): %: %.o $(tests_objs) | prepare $(E)echo LD $(LDFLAGS) -o $@ $< "..." $(LIBS) $(Q)$(CC) $(LDFLAGS) -o $@ $^ $(LIBS) @@ -165,16 +181,6 @@ check: tests tests_run tests: $(tests_targets) tests_run: $(tests_targets_ok) -# Finally include the computed dependencies - -ifneq ($(filter-out $(cleangoals),$(MAKECMDGOALS)),) --include $(shell find $(objdir) -name "*.d") -endif - -ifeq ($(MAKECMDGOALS),) --include $(shell find $(objdir) -name "*.d") -endif - tags: cd $(srcdir) ; etags -lc `find $(dirs) -name *.[chY]` |