-#===-- Makefile.common - Common make rules for LLVM -------*- makefile -*--====
+#===-- Makefile.rules - Common make rules for LLVM -------*- makefile -*--====
+#
+# The LLVM Compiler Infrastructure
+#
+# This file was developed by the LLVM research group and is distributed under
+# the University of Illinois Open Source License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
#
# This file is included by all of the LLVM makefiles. This file defines common
# rules to do things like compile a .cpp file or generate dependency info.
#
# Set the VPATH so that we can find source files.
-# Also set $SouceDir for backwards compatibility
#
-VPATH=$(BUILD_SRC_DIR)
-SourceDir=$(BUILD_SRC_DIR)
+VPATH=$(SourceDir)
###########################################################################
# Default Targets:
# building.
###########################################################################
+# Ensure people re-run configure when it gets updated
+all::$(LLVM_OBJ_ROOT)/config.status
+
ifdef SHARED_LIBRARY
# if SHARED_LIBRARY is specified, the default is to build the dynamic lib
all:: dynamic
# Print out the directories used for building
prdirs::
- @echo "Build Source Root: " $(BUILD_SRC_ROOT)
- @echo "Build Source Dir : " $(BUILD_SRC_DIR)
- @echo "Build Object Root: " $(BUILD_OBJ_ROOT)
- @echo "Build Object Dir : " $(BUILD_OBJ_DIR)
- @echo "LLVM Source Root: " $(LLVM_SRC_ROOT)
- @echo "LLVM Object Root: " $(LLVM_OBJ_ROOT)
+ @${ECHO} "Build Source Root: " $(BUILD_SRC_ROOT)
+ @${ECHO} "Build Source Dir : " $(BUILD_SRC_DIR)
+ @${ECHO} "Build Object Root: " $(BUILD_OBJ_ROOT)
+ @${ECHO} "Build Object Dir : " $(BUILD_OBJ_DIR)
+ @${ECHO} "LLVM Source Root: " $(LLVM_SRC_ROOT)
+ @${ECHO} "LLVM Object Root: " $(LLVM_OBJ_ROOT)
###########################################################################
# Suffixes and implicit rules:
###########################################################################
.SUFFIXES:
.SUFFIXES: .c .cpp .h .hpp .y .l
-.SUFFIXES: .lo .o .a .so .bc
+.SUFFIXES: .lo .o .a .so .bc .td
.SUFFIXES: .ps .dot .d
#
DESTLIBDEBUG := $(BUILD_OBJ_ROOT)/lib/Debug
DESTLIBRELEASE := $(BUILD_OBJ_ROOT)/lib/Release
DESTLIBPROFILE := $(BUILD_OBJ_ROOT)/lib/Profile
-DESTLIBBYTECODE := $(BUILD_OBJ_ROOT)/lib/Bytecode
+DESTLIBBYTECODE := $(BUILD_OBJ_ROOT)/lib/BytecodeLibs
DESTLIBCURRENT := $(BUILD_OBJ_ROOT)/lib/$(CONFIGURATION)
# LLVM libraries used for linking
# (locallly generated header files).
# BUILD_SRC_DIR : Files local to the particular source directory.
# BUILD_SRC_ROOT/include : Files global to the project.
+# LLVM_OBJ_ROOT/include : config.h files generated by autoconf
# LEVEL/include : config.h files for the project
# LLVM_SRC_ROOT/include : Files global to LLVM.
-# LLVM_OBJ_ROOT/include : config.h files generated by autoconf
#
-CPPFLAGS += -I$(BUILD_OBJ_DIR) -I$(BUILD_SRC_DIR) -I$(BUILD_SRC_ROOT)/include -I$(LEVEL)/include -I$(LLVM_SRC_ROOT)/include -I$(LLVM_OBJ_ROOT)/include
+CPPFLAGS += -I$(BUILD_OBJ_DIR) -I$(BUILD_SRC_DIR) -I$(LLVM_OBJ_ROOT)/include \
+ -I$(BUILD_SRC_ROOT)/include -I$(LEVEL)/include \
+ -I$(LLVM_SRC_ROOT)/include
# By default, strip symbol information from executable
ifndef KEEP_SYMBOLS
STRIP_WARN_MSG = "(without symbols)"
endif
-# Allow gnu extensions...
+# Allow GNU extensions:
CPPFLAGS += -D_GNU_SOURCE
+# Pull in limit macros from stdint.h, even in C++:
+CPPFLAGS += -D__STDC_LIMIT_MACROS
CompileWarnings := -Wall -W -Wwrite-strings -Wno-unused
CompileCommonOpts := $(CompileWarnings) -fshort-enums
LinkO := $(Link) -O3 -L$(PROJLIBRELEASESOURCE) -L$(LLVMLIBRELEASESOURCE)
LinkP := $(Link) -O3 -L$(PROJLIBPROFILESOURCE) -L$(LLVMLIBPROFILESOURCE) $(PROFILE)
+# TOOLLINKOPTSB to pass options to the linker like library search path etc
+# Note that this is different from TOOLLINKOPTS, these options
+# are passed to the linker *before* the USEDLIBS options are passed.
+# e.g. usage TOOLLINKOPTSB = -L/home/xxx/lib
+ifdef TOOLLINKOPTSB
+LinkG := $(LinkG) $(TOOLLINKOPTSB)
+LinkO := $(LinkO) $(TOOLLINKOPTSB)
+LinkP := $(LinkP) $(TOOLLINKOPTSB)
+endif
+
# Create one .o file from a bunch of .o files...
Relink := ${LIBTOOL} --mode=link $(CXX)
# The local Makefile can list other Source files via ExtraSource = ...
#
ifndef Source
-Source := $(ExtraSource) $(wildcard $(SourceDir)/*.cpp $(SourceDir)/*.c $(SourceDir)/*.y $(SourceDir)/*.l)
+Source := $(notdir $(ExtraSource) $(wildcard $(SourceDir)/*.cpp \
+ $(SourceDir)/*.c $(SourceDir)/*.y $(SourceDir)/*.l))
endif
#
# Libtool Objects
#
-Srcs := $(sort $(notdir $(basename $(Source))))
+Srcs := $(sort $(basename $(Source)))
Objs := $(addsuffix .lo, $(Srcs))
ObjectsO := $(addprefix $(BUILD_OBJ_DIR)/Release/,$(Objs))
ObjectsP := $(addprefix $(BUILD_OBJ_DIR)/Profile/,$(Objs))
ObjectsG := $(addprefix $(BUILD_OBJ_DIR)/Debug/,$(Objs))
-ObjectsBC := $(addprefix $(BUILD_OBJ_DIR)/Bytecode/,$(addsuffix .bc, $(Srcs)))
+ObjectsBC := $(addprefix $(BUILD_OBJ_DIR)/BytecodeObj/,$(addsuffix .bc, $(Srcs)))
#
# The real objects underlying the libtool objects
#
-RObjs := $(sort $(patsubst Debug/%.o, %.o, $(addsuffix .o,$(notdir $(basename $(Source))))))
+RObjs := $(sort $(patsubst Debug/%.o, %.o, $(addsuffix .o,$(basename $(Source)))))
RObjectsO := $(addprefix $(BUILD_OBJ_DIR)/Release/,$(RObjs))
RObjectsP := $(addprefix $(BUILD_OBJ_DIR)/Profile/,$(RObjs))
RObjectsG := $(addprefix $(BUILD_OBJ_DIR)/Debug/,$(RObjs))
bytecodelib-install:: $(LLVMGCCDIR)/bytecode-libs/lib$(LIBRARYNAME).bc
$(LLVMGCCDIR)/bytecode-libs/lib$(LIBRARYNAME).bc: $(LIBNAME_BC)
- @echo ======= Installing $(LIBRARYNAME) bytecode library =======
+ @${ECHO} ======= Installing $(LIBRARYNAME) bytecode library =======
cp $< $@
# Does the library want a .o version built?
# Rules for building libraries
#--------------------------------------------------------------------
-LinkBCLib := $(LLVMGCC) -shared
+LinkBCLib := $(LLVMGCC) -shared -nostdlib
ifdef EXPORTED_SYMBOL_LIST
LinkBCLib += -Xlinker -internalize-public-api-list=$(EXPORTED_SYMBOL_LIST)
else
+ ifdef EXPORTED_SYMBOL_FILE
+LinkBCLib += -Xlinker -internalize-public-api-file=$(EXPORTED_SYMBOL_FILE)
+ else
LinkBCLib += -Xlinker -disable-internalize
+ endif
endif
# Rule for building bytecode libraries.
$(LIBNAME_BC): $(ObjectsBC) $(LibSubDirs) $(DESTLIBBYTECODE)/.dir
- @echo ======= Linking $(LIBRARYNAME) bytecode library =======
+ @${ECHO} Linking $(LIBRARYNAME) bytecode library
$(VERB) $(LinkBCLib) -o $@ $(ObjectsBC) $(LibSubDirs) $(LibLinkOpts)
+ @${ECHO} ======= Finished building $(LIBRARYNAME) bytecode library =======
#
# Rules for building dynamically linked libraries.
#
$(LIBNAME_O): $(ObjectsO) $(LibSubDirs) $(DESTLIBRELEASE)/.dir
- @echo ======= Linking $(LIBRARYNAME) dynamic release library =======
+ @${ECHO} Linking $(LIBRARYNAME) dynamic release library
$(VERB) $(Link) -o $*.la $(ObjectsO) $(LibSubDirs) $(LibLinkOpts)
$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $*.la $(DESTLIBCURRENT)
+ @${ECHO} ======= Finished building $(LIBRARYNAME) dynamic release library =======
$(LIBNAME_P): $(ObjectsP) $(LibSubDirs) $(DESTLIBPROFILE)/.dir
- @echo ======= Linking $(LIBRARYNAME) dynamic profile library =======
+ @${ECHO} Linking $(LIBRARYNAME) dynamic profile library
$(VERB) $(Link) -o $*.la $(ObjectsP) $(LibSubDirs) $(LibLinkOpts)
$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $*.la $(DESTLIBCURRENT)
+ @${ECHO} ======= Finished building $(LIBRARYNAME) dynamic profile library =======
$(LIBNAME_G): $(ObjectsG) $(LibSubDirs) $(DESTLIBDEBUG)/.dir
- @echo ======= Linking $(LIBRARYNAME) dynamic debug library =======
+ @${ECHO} Linking $(LIBRARYNAME) dynamic debug library
$(VERB) $(Link) -o $*.la $(ObjectsG) $(LibSubDirs) $(LibLinkOpts)
$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $*.la $(DESTLIBCURRENT)
+ @${ECHO} ======= Finished building $(LIBRARYNAME) dynamic debug library =======
#
# Rules for building static archive libraries.
#
$(LIBNAME_AO): $(ObjectsO) $(LibSubDirs) $(DESTLIBRELEASE)/.dir
- @echo ======= Linking $(LIBRARYNAME) archive release library =======
+ @${ECHO} Linking $(LIBRARYNAME) archive release library
@$(RM) -f $@
$(VERB) $(Link) -03 -o $@ $(ObjectsO) $(LibSubDirs) -static
+ @${ECHO} Finished building $(LIBRARYNAME) archive release library =======
$(LIBNAME_AP): $(ObjectsP) $(LibSubDirs) $(DESTLIBPROFILE)/.dir
- @echo ======= Linking $(LIBRARYNAME) archive profile library =======
+ @${ECHO} Linking $(LIBRARYNAME) archive profile library
@$(RM) -f $@
$(VERB) $(Link) -03 $(PROFILE) -o $@ $(ObjectsP) $(LibSubDirs) -static
+ @${ECHO} ======= Finished building $(LIBRARYNAME) archive profile library =======
$(LIBNAME_AG): $(ObjectsG) $(LibSubDirs) $(DESTLIBDEBUG)/.dir
- @echo ======= Linking $(LIBRARYNAME) archive debug library =======
+ @${ECHO} Linking $(LIBRARYNAME) archive debug library
@$(RM) -f $@
$(VERB) $(Link) -g $(STRIP) -o $@ $(ObjectsG) $(LibSubDirs) -static
+ @${ECHO} ======= Finished building $(LIBRARYNAME) archive debug library =======
#
# I think that is safe.
#
$(LIBNAME_OBJO): $(ObjectsO) $(LibSubDirs) $(DESTLIBRELEASE)/.dir
- @echo "Linking $@"
+ @${ECHO} "Linking `basename $@`"
$(VERB) $(Relink) -o $@ $(RObjectsO) $(LibSubDirs)
$(LIBNAME_OBJP): $(ObjectsP) $(LibSubDirs) $(DESTLIBPROFILE)/.dir
- @echo "Linking $@"
+ @${ECHO} "Linking `basename $@`"
$(VERB) $(Relink) -o $@ $(RObjectsP) $(LibSubDirs)
$(LIBNAME_OBJG): $(ObjectsG) $(LibSubDirs) $(DESTLIBDEBUG)/.dir
- @echo "Linking $@"
+ @${ECHO} "Linking `basename $@`"
$(VERB) $(Relink) -o $@ $(RObjectsG) $(LibSubDirs)
endif
# Create a TAGS database for emacs
#------------------------------------------------------------------------
-ifdef ETAGS
+ifneq ($(ETAGS),false)
ifeq ($(LEVEL), .)
SRCDIRS := $(wildcard $(SourceDir)/include $(SourceDir)/lib $(SourceDir)/tools)
$(VERB) $(RM) -f $(TOOLEXENAMES)
$(TOOLEXENAME_G): $(ObjectsG) $(USED_LIB_PATHS_G) $(DESTTOOLDEBUG)/.dir
- @echo ======= Linking $(TOOLNAME) debug executable $(STRIP_WARN_MSG) =======
+ @${ECHO} Linking $(TOOLNAME) debug executable $(STRIP_WARN_MSG)
$(VERB) $(LinkG) -o $@ $(ObjectsG) $(LIB_OPTS_G) $(LINK_OPTS) $(LIBS)
+ @${ECHO} ======= Finished building $(TOOLNAME) debug executable $(STRIP_WARN_MSG) =======
$(TOOLEXENAME_O): $(ObjectsO) $(USED_LIB_PATHS_O) $(DESTTOOLRELEASE)/.dir
- @echo ======= Linking $(TOOLNAME) release executable =======
+ @${ECHO} Linking $(TOOLNAME) release executable
$(VERB) $(LinkO) -o $@ $(ObjectsO) $(LIB_OPTS_O) $(LINK_OPTS) $(LIBS)
+ @${ECHO} ======= Finished building $(TOOLNAME) release executable =======
$(TOOLEXENAME_P): $(ObjectsP) $(USED_LIB_PATHS_P) $(DESTTOOLPROFILE)/.dir
- @echo ======= Linking $(TOOLNAME) profile executable =======
+ @${ECHO} Linking $(TOOLNAME) profile executable
$(VERB) $(LinkP) -o $@ $(ObjectsP) $(LIB_OPTS_P) $(LINK_OPTS) $(LIBS)
+ @${ECHO} ======= Finished building $(TOOLNAME) profile executable =======
endif
#---------------------------------------------------------
-.PRECIOUS: $(BUILD_OBJ_DIR)/Depend/.dir $(BUILD_OBJ_DIR)/Bytecode/.dir
+.PRECIOUS: $(BUILD_OBJ_DIR)/Depend/.dir $(BUILD_OBJ_DIR)/BytecodeObj/.dir
.PRECIOUS: $(BUILD_OBJ_DIR)/Debug/.dir $(BUILD_OBJ_DIR)/Release/.dir
# Create .lo files in the ObjectFiles directory from the .cpp and .c files...
-$(BUILD_OBJ_DIR)/Release/%.lo: $(SourceDir)/%.cpp $(BUILD_OBJ_DIR)/Release/.dir
- @echo "Compiling $<"
+$(BUILD_OBJ_DIR)/Release/%.lo: %.cpp $(BUILD_OBJ_DIR)/Release/.dir
+ @${ECHO} "Compiling `basename $<`"
$(VERB) $(CompileO) $< -o $@
-$(BUILD_OBJ_DIR)/Release/%.lo: $(SourceDir)/%.c $(BUILD_OBJ_DIR)/Release/.dir
- @echo "Compiling $<"
+$(BUILD_OBJ_DIR)/Release/%.lo: %.c $(BUILD_OBJ_DIR)/Release/.dir
+ @${ECHO} "Compiling `basename $<`"
$(VERB) $(CompileCO) $< -o $@
-$(BUILD_OBJ_DIR)/Profile/%.lo: $(SourceDir)/%.cpp $(BUILD_OBJ_DIR)/Profile/.dir
- @echo "Compiling $<"
+$(BUILD_OBJ_DIR)/Profile/%.lo: %.cpp $(BUILD_OBJ_DIR)/Profile/.dir
+ @${ECHO} "Compiling `basename $<`"
$(VERB) $(CompileP) $< -o $@
-$(BUILD_OBJ_DIR)/Profile/%.lo: $(SourceDir)/%.c $(BUILD_OBJ_DIR)/Profile/.dir
- @echo "Compiling $<"
+$(BUILD_OBJ_DIR)/Profile/%.lo: %.c $(BUILD_OBJ_DIR)/Profile/.dir
+ @${ECHO} "Compiling `basename $<`"
$(VERB) $(CompileCP) $< -o $@
-$(BUILD_OBJ_DIR)/Debug/%.lo: $(SourceDir)/%.cpp $(BUILD_OBJ_DIR)/Debug/.dir
- @echo "Compiling $<"
+$(BUILD_OBJ_DIR)/Debug/%.lo: %.cpp $(BUILD_OBJ_DIR)/Debug/.dir
+ @${ECHO} "Compiling `basename $<`"
$(VERB) $(CompileG) $< -o $@
-$(BUILD_OBJ_DIR)/Debug/%.lo: $(SourceDir)/%.c $(BUILD_OBJ_DIR)/Debug/.dir
- @echo "Compiling $<"
+$(BUILD_OBJ_DIR)/Debug/%.lo: %.c $(BUILD_OBJ_DIR)/Debug/.dir
+ @${ECHO} "Compiling `basename $<`"
$(VERB) $(CompileCG) $< -o $@
-$(BUILD_OBJ_DIR)/Bytecode/%.bc: $(SourceDir)/%.cpp $(BUILD_OBJ_DIR)/Bytecode/.dir $(LCC1XX)
- @echo "Compiling $< to bytecode"
+$(BUILD_OBJ_DIR)/BytecodeObj/%.bc: %.cpp $(BUILD_OBJ_DIR)/BytecodeObj/.dir $(LCC1XX)
+ @${ECHO} "Compiling `basename $<` to bytecode"
$(VERB) $(LLVMGXX) $(CompileWarnings) $(CPPFLAGS) -c $< -o $@
-$(BUILD_OBJ_DIR)/Bytecode/%.bc: $(SourceDir)/%.c $(BUILD_OBJ_DIR)/Bytecode/.dir $(LCC1)
- @echo "Compiling $< to bytecode"
+$(BUILD_OBJ_DIR)/BytecodeObj/%.bc: %.c $(BUILD_OBJ_DIR)/BytecodeObj/.dir $(LCC1)
+ @${ECHO} "Compiling `basename $<` to bytecode"
$(VERB) $(LLVMGCC) $(CompileWarnings) $(CPPFLAGS) -c $< -o $@
-$(BUILD_OBJ_DIR)/Bytecode/%.bc: $(SourceDir)/%.ll $(BUILD_OBJ_DIR)/Bytecode/.dir $(LLVMAS)
- @echo "Compiling $< to bytecode"
+$(BUILD_OBJ_DIR)/BytecodeObj/%.bc: %.ll $(BUILD_OBJ_DIR)/BytecodeObj/.dir $(LLVMAS)
+ @${ECHO} "Compiling `basename $<` to bytecode"
$(VERB) $(LLVMAS) $< -f -o $@
# FIXME. (f.e. char Buffer[10000] )
#
%.cpp: %.l
- @echo Flex\'ing $<...
+ @${ECHO} Flexing $<
$(VERB) $(FLEX) -t $< | \
$(SED) '/^find_rule/d' | \
$(SED) 's/void yyunput/inline void yyunput/' | \
%.c: %.y # Cancel built-in rules for yacc
%.h: %.y # Cancel built-in rules for yacc
%.cpp %.h : %.y
- @echo Bison\'ing $<...
- $(VERB) $(BISON) -v -d -p $(<F:%Parser.y=%) $*.y
+ @${ECHO} "Bisoning `basename $<`"
+ $(VERB) $(BISON) -v -d -p $(<F:%Parser.y=%) -o $*.tab.c $<
$(VERB) cmp -s $*.tab.c $*.cpp > /dev/null || ${MV} -f $*.tab.c $*.cpp
$(VERB) cmp -s $*.tab.h $*.h > /dev/null || ${MV} -f $*.tab.h $*.h
@# If the files were not updated, don't leave them lying around...
@$(DATE) > $@
# To create postscript files from dot files...
-ifdef DOT
+ifneq ($(DOT),false)
%.ps: %.dot
${DOT} -Tps < $< > $@
else
# which they can be "generated." This allows make to ignore them and
# reproduce the dependency lists.
#
-%.h::
+%.h:: ;
# 'make clean' nukes the tree
clean::
$(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/Debug $(BUILD_OBJ_DIR)/Release
$(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/Profile $(BUILD_OBJ_DIR)/Depend
- $(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/Bytecode
+ $(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/BytecodeObj
$(VERB) $(RM) -f core core.[0-9][0-9]* *.o *.d *.so *~ *.flc
$(VERB) $(RM) -f $(LEX_OUTPUT) $(YACC_OUTPUT)
# If dependencies were generated for the file that included this file,
# include the dependencies now...
#
-SourceBaseNames := $(basename $(notdir $(filter-out $(SourceDir)/$(CONFIGURATION)/%, $(Source))))
+SourceBaseNames := $(basename $(Source))
SourceDepend := $(SourceBaseNames:%=$(BUILD_OBJ_DIR)/Depend/%.d)
# Create dependencies for the *.cpp files...
-$(BUILD_OBJ_DIR)/Depend/%.d: $(SourceDir)/%.cpp $(BUILD_OBJ_DIR)/Depend/.dir
- $(VERB) $(Depend) $< | $(SED) 's|\.o|\.lo|' | $(SED) 's|$*\.lo *|$(BUILD_OBJ_DIR)/Release/& $(BUILD_OBJ_DIR)/Profile/& $(BUILD_OBJ_DIR)/Debug/& $(BUILD_OBJ_DIR)/Depend/$(@F)|g' > $@
+$(BUILD_OBJ_DIR)/Depend/%.d: %.cpp $(BUILD_OBJ_DIR)/Depend/.dir
+ $(VERB) $(Depend) $< | $(SED) 's|\.o:|\.lo:|' | $(SED) 's|$*\.lo *|$(BUILD_OBJ_DIR)/Release/& $(BUILD_OBJ_DIR)/Profile/& $(BUILD_OBJ_DIR)/Debug/& $(BUILD_OBJ_DIR)/Depend/$(@F)|g' > $@
# Create dependencies for the *.c files...
-$(BUILD_OBJ_DIR)/Depend/%.d: $(SourceDir)/%.c $(BUILD_OBJ_DIR)/Depend/.dir
- $(VERB) $(DependC) -o $@ $< | $(SED) 's|\.o|\.lo|' | $(SED) 's|$*\.lo *|$(BUILD_OBJ_DIR)/Release/& $(BUILD_OBJ_DIR)/Profile/& $(BUILD_OBJ_DIR)/Debug/& $(BUILD_OBJ_DIR)/Depend/$(@F)|g' > $@
+$(BUILD_OBJ_DIR)/Depend/%.d: %.c $(BUILD_OBJ_DIR)/Depend/.dir
+ $(VERB) $(DependC) -o $@ $< | $(SED) 's|\.o:|\.lo:|' | $(SED) 's|$*\.lo *|$(BUILD_OBJ_DIR)/Release/& $(BUILD_OBJ_DIR)/Profile/& $(BUILD_OBJ_DIR)/Debug/& $(BUILD_OBJ_DIR)/Depend/$(@F)|g' > $@
+
+#
+# Autoconf Dependencies.
+#
+$(LLVM_OBJ_ROOT)/config.status:: $(LLVM_SRC_ROOT)/configure
+ @${ECHO} "****************************************************************"
+ @${ECHO} " You need to re-run $(LLVM_SRC_ROOT)/configure"
+ @${ECHO} " in directory $(LLVM_OBJ_ROOT)"
+ @${ECHO} "****************************************************************"
+ $(VERB) exit 1
+
+# If the Makefile in the source tree has been updated, copy it over into the
+# build tree.
+Makefile :: $(BUILD_SRC_DIR)/Makefile
+ @${ECHO} "===== Updating Makefile from source dir: `dirname $<` ====="
+ cp -f $< $@
#
# Include dependencies generated from C/C++ source files, but not if we