X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=Makefile.rules;h=d1b3a551dd13c4f845e434cb5493378187475078;hb=0e3da1def46ae4925d811406f9e67f0c45d5b597;hp=d0d83c038be1308a06fca124ab5b8ae6628db37e;hpb=ecfe67c21799891f27597455ed84c70de7769f36;p=oota-llvm.git

diff --git a/Makefile.rules b/Makefile.rules
index d0d83c038be..d1b3a551dd1 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -195,6 +195,11 @@ install-bytecode:: install-bytecode-local
 # VARIABLES: Set up various variables based on configuration data
 ###############################################################################
 
+# Variable for if this make is for a "cleaning" target
+ifneq ($(strip $(filter clean clean-local dist-clean,$(MAKECMDGOALS))),)
+  IS_CLEANING_TARGET=1
+endif
+
 #--------------------------------------------------------------------
 # Variables derived from configuration we are building
 #--------------------------------------------------------------------
@@ -302,13 +307,31 @@ endif
 #--------------------------------------------------------------------
 # Directory locations
 #--------------------------------------------------------------------
-ObjDir      := $(PROJ_OBJ_DIR)/$(BuildMode)
-LibDir      := $(PROJ_OBJ_ROOT)/$(BuildMode)/lib
-ToolDir     := $(PROJ_OBJ_ROOT)/$(BuildMode)/bin
-ExmplDir    := $(PROJ_OBJ_ROOT)/$(BuildMode)/examples
-LLVMLibDir  := $(LLVM_OBJ_ROOT)/$(BuildMode)/lib
-LLVMToolDir := $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
-LLVMExmplDir:= $(LLVM_OBJ_ROOT)/$(BuildMode)/examples
+TargetMode :=
+ifeq ($(LLVM_CROSS_COMPILING),1)
+  ifeq ($(BUILD_COMPONENT),1)
+    TargetMode := Build
+  else
+    TargetMode := Host
+  endif
+  BuildLLVMToolDir := $(LLVM_OBJ_ROOT)/$(BuildMode)/Build/bin
+endif
+
+ObjRootDir  := $(PROJ_OBJ_DIR)/$(BuildMode)
+# It is very important that ObjDir not have an extra trailing
+# slash. This ends up changing the rules so that dependency file (.d)
+# information is not used at all!
+ifeq ($(TargetMode),)
+  ObjDir      := $(ObjRootDir)
+else
+  ObjDir      := $(ObjRootDir)/$(TargetMode)
+endif
+LibDir      := $(PROJ_OBJ_ROOT)/$(BuildMode)/$(TargetMode)/lib
+ToolDir     := $(PROJ_OBJ_ROOT)/$(BuildMode)/$(TargetMode)/bin
+ExmplDir    := $(PROJ_OBJ_ROOT)/$(BuildMode)/$(TargetMode)/examples
+LLVMLibDir  := $(LLVM_OBJ_ROOT)/$(BuildMode)/$(TargetMode)/lib
+LLVMToolDir := $(LLVM_OBJ_ROOT)/$(BuildMode)/$(TargetMode)/bin
+LLVMExmplDir:= $(LLVM_OBJ_ROOT)/$(BuildMode)/$(TargetMode)/examples
 CFERuntimeLibDir := $(LLVMGCCDIR)/lib
 
 #--------------------------------------------------------------------
@@ -324,7 +347,7 @@ LLVMAS   := $(LLVMToolDir)/llvm-as$(EXEEXT)
 endif
 ifndef TBLGEN
   ifeq ($(LLVM_CROSS_COMPILING),1)
-    TBLGEN   := $(LLVMToolDir)/tblgen$(BUILD_EXEEXT)
+    TBLGEN   := $(BuildLLVMToolDir)/tblgen$(EXEEXT)
   else
     TBLGEN   := $(LLVMToolDir)/tblgen$(EXEEXT)
   endif
@@ -460,7 +483,7 @@ CPP.BaseFlags += -include llvm/System/Solaris.h
 endif
 
 LD.Flags      += -L$(LibDir) -L$(LLVMLibDir) 
-CPP.BaseFlags += -D_GNU_SOURCE -D__STDC_LIMIT_MACROS
+CPP.BaseFlags += -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS
 # All -I flags should go here, so that they don't confuse llvm-config.
 CPP.Flags     += $(sort -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
 	         $(patsubst %,-I%/include,\
@@ -468,22 +491,33 @@ CPP.Flags     += $(sort -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
 	         $(LLVM_OBJ_ROOT) $(LLVM_SRC_ROOT))) \
 	         $(CPP.BaseFlags)
 
-Compile.C     = $(CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -c
+ ifeq ($(BUILD_COMPONENT), 1)
+  Compile.C     = $(BUILD_CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -c
+  Compile.CXX   = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) -c
+  Preprocess.CXX= $(BUILD_CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) -E
+  Link          = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
+                  $(LD.Flags) $(Strip)
+  Relink        = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
+		  $(Relink.Flags)
+else
+  Compile.C     = $(CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -c
+  Compile.CXX   = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) -c
+  Preprocess.CXX= $(CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) -E
+  Link          = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
+                  $(LD.Flags) $(Strip)
+  Relink        = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
+		  $(Relink.Flags)
+endif
+
 LTCompile.C   = $(LIBTOOL) $(LibTool.Flags) --mode=compile $(Compile.C)
 BCCompile.C   = $(LLVMGCCWITHPATH) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts)
 Preprocess.C  = $(CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -E
 
-Compile.CXX   = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) -c
 LTCompile.CXX = $(LIBTOOL) $(LibTool.Flags) --mode=compile $(Compile.CXX)
 BCCompile.CXX = $(LLVMGXXWITHPATH) $(CPP.Flags) $(CXX.Flags) \
                 $(CompileCommonOpts)
 
-Preprocess.CXX= $(CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) -E
-Link          = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
-		$(LD.Flags) $(Strip)
 LTLink        = $(LIBTOOL) $(LibTool.Flags) --mode=link $(Link)
-Relink        = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
-		$(Relink.Flags)
 LTRelink      = $(LIBTOOL) $(LibTool.Flags) --mode=link $(Relink)
 LTInstall     = $(LIBTOOL) $(LibTool.Flags) --mode=install $(INSTALL) \
 		$(Install.Flags)
@@ -560,6 +594,16 @@ ifdef DIRS
 SubDirs += $(DIRS)
 
 ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
+ifdef BUILD_TARGET_DIRS
+$(RecursiveTargets)::
+	$(Verb) for dir in $(BUILD_TARGET_DIRS); do \
+	    if [ ! -f $$dir/Makefile ]; then \
+            $(MKDIR) $$dir; \
+              $(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
+	    fi; \
+            ($(MAKE) -C $$dir $@ BUILD_COMPONENT=1 NO_INSTALL=1 ) || exit 1; \
+          done
+endif
 $(RecursiveTargets)::
 	$(Verb) for dir in $(DIRS); do \
 	  if [ ! -f $$dir/Makefile ]; then \
@@ -569,6 +613,12 @@ $(RecursiveTargets)::
 	  ($(MAKE) -C $$dir $@ ) || exit 1; \
 	done
 else
+ifdef BUILD_TARGET_DIRS
+$(RecursiveTargets)::
+	$(Verb) for dir in $(BUILD_TARGET_DIRS); do \
+            ($(MAKE) -C $$dir $@ BUILD_COMPONENT=1 NO_INSTALL=1 ) || exit 1; \
+          done
+endif
 $(RecursiveTargets)::
 	$(Verb) for dir in $(DIRS); do \
 	  ($(MAKE) -C $$dir $@ ) || exit 1; \
@@ -701,7 +751,7 @@ LLVMUsedLibs    := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(LLVMLIBS)))
 LLVMLibsPaths   := $(addprefix $(LLVMLibDir)/,$(LLVMUsedLibs))
 endif
 
-ifeq ($(strip $(filter clean clean-local dist-clean,$(MAKECMDGOALS))),)
+ifndef IS_CLEANING_TARGET
 ifdef LINK_COMPONENTS
 
 # If LLVM_CONFIG doesn't exist, build it.  This can happen if you do a make
@@ -1451,8 +1501,8 @@ endif
 # very conservative approach ensuring that empty variables do not cause 
 # errors or disastrous removal.
 clean-local::
-ifneq ($(strip $(ObjDir)),)
-	-$(Verb) $(RM) -rf $(ObjDir)
+ifneq ($(strip $(ObjRootDir)),)
+	-$(Verb) $(RM) -rf $(ObjRootDir)
 endif
 	-$(Verb) $(RM) -f core core.[0-9][0-9]* *.o *.d *~ *.flc
 ifneq ($(strip $(SHLIBEXT)),) # Extra paranoia - make real sure SHLIBEXT is set
@@ -1469,7 +1519,7 @@ clean-all-local::
 ifndef DISABLE_AUTO_DEPENDENCIES
 
 # If its not one of the cleaning targets
-ifneq ($(strip $(filter-out clean clean-local dist-clean,$(MAKECMDGOALS))),)
+ifndef IS_CLEANING_TARGET
 
 # Get the list of dependency files
 DependFiles := $(basename $(filter %.cpp %.c %.cc, $(Sources)))