From a186bed18af24a66ab48cc196ddcf644d5112916 Mon Sep 17 00:00:00 2001 From: simonmar Date: Tue, 19 Nov 2002 13:46:26 +0000 Subject: [PATCH] [project @ 2002-11-19 13:46:26 by simonmar] Don't recalculate dependencies if none of the source files have changed. From: Ian Lynagh --- mk/target.mk | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/mk/target.mk b/mk/target.mk index 2843334..79f0bd9 100644 --- a/mk/target.mk +++ b/mk/target.mk @@ -54,7 +54,7 @@ include $(TOP)/mk/suffix.mk # # depend: # -# The depend target has to cope with a set of files that may have +# The Depend target has to cope with a set of files that may have # different ways of computing their dependencies, i.e., a Haskell # module's dependencies are computed differently from C files. # @@ -83,17 +83,19 @@ else PKGCONF_DEP = endif -depend :: $(MKDEPENDHS_SRCS) $(MKDEPENDC_SRCS) $(STAMP_PKG_CONF) - @$(RM) .depend - @touch .depend +depend :: .depend + +.depend: $(MKDEPENDHS_SRCS) $(MKDEPENDC_SRCS) $(STAMP_PKG_CONF) + @$(RM) $@ + @touch $@ ifneq "$(DOC_SRCS)" "" - $(MKDEPENDLIT) -o .depend $(MKDEPENDLIT_OPTS) $(filter %.lit,$(DOC_SRCS)) + $(MKDEPENDLIT) -o $@ $(MKDEPENDLIT_OPTS) $(filter %.lit,$(DOC_SRCS)) endif ifneq "$(MKDEPENDC_SRCS)" "" - $(MKDEPENDC) -f .depend $(MKDEPENDC_OPTS) $(foreach way,$(WAYS),-s $(way)) -- $(CC_OPTS) -- $(MKDEPENDC_SRCS) + $(MKDEPENDC) -f $@ $(MKDEPENDC_OPTS) $(foreach way,$(WAYS),-s $(way)) -- $(CC_OPTS) -- $(MKDEPENDC_SRCS) endif ifneq "$(MKDEPENDHS_SRCS)" "" - $(MKDEPENDHS) -M -optdep-f -optdep.depend $(foreach way,$(WAYS),-optdep-s -optdep$(way)) $(foreach obj,$(MKDEPENDHS_OBJ_SUFFICES),-osuf $(obj)) $(MKDEPENDHS_OPTS) $(filter-out -split-objs, $(HC_OPTS)) $(MKDEPENDHS_SRCS) + $(MKDEPENDHS) -M -optdep-f -optdep$@ $(foreach way,$(WAYS),-optdep-s -optdep$(way)) $(foreach obj,$(MKDEPENDHS_OBJ_SUFFICES),-osuf $(obj)) $(MKDEPENDHS_OPTS) $(filter-out -split-objs, $(HC_OPTS)) $(MKDEPENDHS_SRCS) endif -- 1.7.10.4