diff options
| author | Reid Spencer <rspencer@reidspencer.com> | 2006-12-12 00:43:38 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2006-12-12 00:43:38 +0000 |
| commit | 4fbcdf61e88f942a85eee5f49aa6550b3dd2a79b (patch) | |
| tree | d65984cdeaeadb0b34ee9793f62204d0f297bdcc | |
| parent | 450856d01b27518e88c738ab588765879cb8b1b6 (diff) | |
Fix PR1040:
Don't rebuild llvm-config if none of the library dependencies changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32455 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | tools/llvm-config/Makefile | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/llvm-config/Makefile b/tools/llvm-config/Makefile index 354723ab2b..410808b1f2 100644 --- a/tools/llvm-config/Makefile +++ b/tools/llvm-config/Makefile @@ -29,11 +29,16 @@ SUB_LDFLAGS = FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt LibDeps = $(PROJ_OBJ_DIR)/LibDeps.txt +LibDepsTemp = $(PROJ_OBJ_DIR)/LibDeps.txt.tmp GenLibDeps = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl -$(LibDeps): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o) - $(Echo) "Regenerating LibDeps.txt" - $(Verb) $(GenLibDeps) -flat $(LibDir) $(NM_PATH) > $(LibDeps) +$(LibDepsTemp): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o) + $(Echo) "Regenerating LibDeps.txt.tmp" + $(Verb) $(GenLibDeps) -flat $(LibDir) $(NM_PATH) > $(LibDepsTemp) + +$(LibDeps): $(LibDepsTemp) + $(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \ + $(EchoCmd) Updated LibDeps.txt because dependencies changes ) # Find all the cyclic dependencies between various LLVM libraries, so we # don't have to process them at runtime. |