reduce duplicate -I flags passed to the compiler, cleaning up the VERBOSE
output. Patch contributed by Sam Bishop!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46432 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index 0f2be65..a9421c6 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -454,12 +454,11 @@
LD.Flags += -L$(LibDir) -L$(LLVMLibDir)
CPP.BaseFlags += -D_GNU_SOURCE -D__STDC_LIMIT_MACROS
# All -I flags should go here, so that they don't confuse llvm-config.
-CPP.Flags += -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
- -I$(PROJ_OBJ_ROOT)/include \
- -I$(PROJ_SRC_ROOT)/include \
- -I$(LLVM_OBJ_ROOT)/include \
- -I$(LLVM_SRC_ROOT)/include \
- $(CPP.BaseFlags)
+CPP.Flags += $(patsubst %,-I%/include,$(sort \
+ $(PROJ_OBJ_DIR) $(PROJ_SRC_DIR) \
+ $(PROJ_OBJ_ROOT) $(PROJ_SRC_ROOT) \
+ $(LLVM_OBJ_ROOT) $(LLVM_SRC_ROOT))) \
+ $(CPP.BaseFlags)
Compile.C = $(CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -c
LTCompile.C = $(LIBTOOL) $(LibTool.Flags) --mode=compile $(Compile.C)