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Makefiles: Teach LLVM's recursive makefile descent to update objdir Makefiles if
they are out of date, instead of only testing if they exist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105636 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -807,7 +807,8 @@ SubDirs += $(DIRS)
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ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
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ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
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$(RecursiveTargets)::
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$(RecursiveTargets)::
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$(Verb) for dir in $(DIRS); do \
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$(Verb) for dir in $(DIRS); do \
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if [ ! -f $$dir/Makefile ]; then \
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if ([ ! -f $$dir/Makefile ] || \
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[ $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ]); then \
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$(MKDIR) $$dir; \
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$(MKDIR) $$dir; \
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$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
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$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
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fi; \
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fi; \
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@ -829,7 +830,8 @@ endif
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ifdef EXPERIMENTAL_DIRS
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ifdef EXPERIMENTAL_DIRS
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$(RecursiveTargets)::
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$(RecursiveTargets)::
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$(Verb) for dir in $(EXPERIMENTAL_DIRS); do \
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$(Verb) for dir in $(EXPERIMENTAL_DIRS); do \
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if [ ! -f $$dir/Makefile ]; then \
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if ([ ! -f $$dir/Makefile ] || \
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[ $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ]); then \
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$(MKDIR) $$dir; \
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$(MKDIR) $$dir; \
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$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
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$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
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fi; \
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fi; \
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@ -863,7 +865,9 @@ unitcheck:: $(addsuffix /.makeunitcheck,$(PARALLEL_DIRS))
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ParallelTargets := $(foreach T,$(RecursiveTargets),%/.make$(T))
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ParallelTargets := $(foreach T,$(RecursiveTargets),%/.make$(T))
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$(ParallelTargets) :
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$(ParallelTargets) :
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$(Verb) if [ ! -f $(@D)/Makefile ]; then \
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$(Verb) if ([ ! -f $(@D)/Makefile ] || \
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[ $(@D)/Makefile -ot \
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$(PROJ_SRC_DIR)/$(@D)/Makefile ]); then \
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$(MKDIR) $(@D); \
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$(MKDIR) $(@D); \
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$(CP) $(PROJ_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
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$(CP) $(PROJ_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
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fi; \
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fi; \
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@ -882,7 +886,8 @@ ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
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$(RecursiveTargets)::
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$(RecursiveTargets)::
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$(Verb) for dir in $(OPTIONAL_DIRS); do \
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$(Verb) for dir in $(OPTIONAL_DIRS); do \
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if [ -d $(PROJ_SRC_DIR)/$$dir ]; then\
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if [ -d $(PROJ_SRC_DIR)/$$dir ]; then\
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if [ ! -f $$dir/Makefile ]; then \
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if ([ ! -f $$dir/Makefile ] || \
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[ $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ]); then \
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$(MKDIR) $$dir; \
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$(MKDIR) $$dir; \
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$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
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$(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
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fi; \
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fi; \
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