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Makefiles: Teach LLVM's recursive makefile descent to update objdir Makefiles if

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they are out of date, instead of only testing if they exist.

llvm-svn: 105636
This commit is contained in:
Daniel Dunbar 2010-06-08 20:10:13 +00:00
parent 4060c0dd54
commit 83e447c886
1 changed files with 9 additions and 4 deletions
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13
Makefile.rules
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@ -807,7 +807,8 @@ SubDirs += $(DIRS)
ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
$(RecursiveTargets)::
$(Verb) for dir in $(DIRS); do \
if [ ! -f $$dir/Makefile ]; then \
if ([ ! -f $$dir/Makefile ] || \
[ $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ]); then \
$(MKDIR) $$dir; \
$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
fi; \
@ -829,7 +830,8 @@ endif
ifdef EXPERIMENTAL_DIRS
$(RecursiveTargets)::
$(Verb) for dir in $(EXPERIMENTAL_DIRS); do \
if [ ! -f $$dir/Makefile ]; then \
if ([ ! -f $$dir/Makefile ] || \
[ $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ]); then \
$(MKDIR) $$dir; \
$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
fi; \
@ -863,7 +865,9 @@ unitcheck:: $(addsuffix /.makeunitcheck,$(PARALLEL_DIRS))
ParallelTargets := $(foreach T,$(RecursiveTargets),%/.make$(T))
$(ParallelTargets) :
$(Verb) if [ ! -f $(@D)/Makefile ]; then \
$(Verb) if ([ ! -f $(@D)/Makefile ] || \
[ $(@D)/Makefile -ot \
$(PROJ_SRC_DIR)/$(@D)/Makefile ]); then \
$(MKDIR) $(@D); \
$(CP) $(PROJ_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
fi; \
@ -882,7 +886,8 @@ ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
$(RecursiveTargets)::
$(Verb) for dir in $(OPTIONAL_DIRS); do \
if [ -d $(PROJ_SRC_DIR)/$$dir ]; then\
if [ ! -f $$dir/Makefile ]; then \
if ([ ! -f $$dir/Makefile ] || \
[ $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ]); then \
$(MKDIR) $$dir; \
$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
fi; \