summaryrefslogtreecommitdiff
path: root/Makefile.in
diff options
context:
space:
mode:
authorMaria Matejka <mq@ucw.cz>2019-03-15 15:07:00 +0100
committerMaria Matejka <mq@ucw.cz>2019-03-18 12:32:11 +0100
commit5d511948cddee415c2f0f1103bda0468a193f2d6 (patch)
tree7e3d0dd844f93686c43fb9f8db787caa38f7b1b0 /Makefile.in
parent875cc073b067f295cccc668008e10218f8e98dd3 (diff)
Build: Automatic dependency tracking for generated files
Diffstat (limited to 'Makefile.in')
-rw-r--r--Makefile.in44
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]`