#===-----------------------------------------------------------------------====
# These are options that can either be enabled here, or can be enabled on the
-# make command line (make ENABLE_PROFILING=1)
+# make command line (ie, make ENABLE_PROFILING=1)
+#
+
+# When ENABLE_PROFILING is enabled, the llvm source base is built with profile
+# information to allow gprof to be used to get execution frequencies.
#
#ENABLE_PROFILING = 1
+
+# When ENABLE_PURIFY is enabled, the LLVM tools are linked with purify (which
+# must be locally installed) to allow for some automated memory error debugging.
+#
#ENABLE_PURIFY = 1
+
+# When ENABLE_OPTIMIZED is enabled, Release builds of all of the LLVM code are
+# turned on, and Debug builds are turned off.
+#
#ENABLE_OPTIMIZED = 1
+# Current working directory, used below
+CUR_DIRECTORY := $(shell pwd)
+
+# Path to directory where object files should be stored during a build.
+# Set this to "." if you do not want to use a separate place for object files.
+#
+BUILD_DIR = /shared/$(LOGIN_NAME)$(patsubst $(HOME)%,%,$(CUR_DIRECTORY))
+
+# Flag whether or not to use a separate location for build files
+#
+ifeq ($(BUILD_DIR),".")
+ BUILD_ROOT = $(BUILD_DIR)
+endif
+
ifdef SHARED_LIBRARY
# if SHARED_LIBRARY is specified, the default is to build the dynamic lib
dynamic ::
# Default for install is to at least build everything...
install ::
+
+# Figure out which directory to build stuff into. We want to build into the
+# /shared directory by default because it is guaranteed to be local to the
+# current machine.
+#
+ifdef BUILD_ROOT
+BUILD_ROOT_TOP := $(LEVEL)
+else
+
+LOGIN_NAME := $(shell whoami)
+BUILD_ROOT := $(BUILD_DIR)
+
+# Calculate the BUILD_ROOT_TOP variable, which is the top of the llvm/ tree.
+# Note that although this is just equal to $(BUILD_ROOT)/$(LEVEL), we cannot use
+# this expression because some of the directories on the source tree may not
+# exist in the build tree (for example the test/ heirarchy). Thus we evaluate
+# the directory to eliminate the ../'s
+#
+TOP_DIRECTORY := $(shell cd $(LEVEL); pwd)
+BUILD_ROOT_TOP := /shared/$(LOGIN_NAME)$(patsubst $(HOME)%,%,$(TOP_DIRECTORY))
+endif
+
#--------------------------------------------------------------------
# Installation configuration options...
#--------------------------------------------------------------------
BURG_OPTS = -I
-PURIFY = /usr/dcs/applications/purify/bin/purify -cache-dir="$(HOME)/purifycache" -chain-length="30" -messages=all
+PURIFY = /usr/dcs/applications/purify/bin/purify -cache-dir="$(BUILD_ROOT_TOP)/../purifycache" -chain-length="30" -messages=all
# Shorthand for commonly accessed directories
-LIBDEBUG = $(LEVEL)/lib/Debug
-LIBRELEASE = $(LEVEL)/lib/Release
-TOOLDEBUG = $(LEVEL)/tools/Debug
-TOOLRELEASE = $(LEVEL)/tools/Release
+LIBDEBUG := $(BUILD_ROOT_TOP)/lib/Debug
+LIBRELEASE := $(BUILD_ROOT_TOP)/lib/Release
+TOOLDEBUG := $(BUILD_ROOT_TOP)/tools/Debug
+TOOLRELEASE := $(BUILD_ROOT_TOP)/tools/Release
#---------------------------------------------------------
# Compilation options...
#---------------------------------------------------------
# Special tools used while building
-RunBurg = $(BURG) $(BURG_OPTS)
+RunBurg := $(BURG) $(BURG_OPTS)
# Enable this for profiling support with 'gprof'
ifdef ENABLE_PROFILING
endif
# -Wno-unused-parameter
-CompileCommonOpts = $(PROFILE) -Wall -W -Wwrite-strings -Wno-unused -I$(LEVEL)/include
+CompileCommonOpts := $(PROFILE) -Wall -W -Wwrite-strings -Wno-unused -I$(LEVEL)/include
# Compile a file, don't link...
-Compile = $(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(CompileCommonOpts)
-CompileG = $(Compile) -g -D_DEBUG
-CompileO = $(Compile) -O3 -DNDEBUG -finline-functions -felide-constructors -fnonnull-objects -freg-struct-return -fshort-enums
+Compile := $(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(CompileCommonOpts)
+CompileG := $(Compile) -g -D_DEBUG
+CompileO := $(Compile) -O3 -DNDEBUG -finline-functions -felide-constructors -fnonnull-objects -freg-struct-return -fshort-enums
# Link final executable
ifdef ENABLE_PURIFY # To enable purify, build with 'gmake ENABLE_PURIFY=1'
-Link = $(PURIFY) $(CXX) $(PROFILE) -static
+Link := $(PURIFY) $(CXX) $(PROFILE) -static
else
-Link = $(CXX) $(PROFILE)
+Link := $(CXX) $(PROFILE)
endif
-LinkG = $(Link) -g -L $(LIBDEBUG)
-LinkO = $(Link) -O3 -L $(LIBRELEASE)
+LinkG := $(Link) -g -L $(LIBDEBUG)
+LinkO := $(Link) -O3 -L $(LIBRELEASE)
# Create a .so file from a .o files...
-#MakeSO = $(CXX) -shared $(PROFILE)
-MakeSO = $(CXX) -G $(PROFILE)
-MakeSOO = $(MakeSO) -O3
+#MakeSO := $(CXX) -shared $(PROFILE)
+MakeSO := $(CXX) -G $(PROFILE)
+MakeSOO := $(MakeSO) -O3
# Create one .o file from a bunch of .o files...
Relink = ld -r
# Create dependancy file from CPP file, send to stdout.
-Depend = $(CXX) -MM -I$(LEVEL)/include $(CPPFLAGS)
+Depend := $(CXX) -MM -I$(LEVEL)/include $(CPPFLAGS)
# Archive a bunch of .o files into a .a file...
AR = ar cq
-MakeLib = $(AR)
#----------------------------------------------------------
Source := $(ExtraSource) $(wildcard *.cpp *.c *.y *.l)
Objs := $(sort $(patsubst Debug/%.o, %.o, $(addsuffix .o,$(basename $(Source)))))
-ObjectsO = $(addprefix Release/,$(Objs))
-ObjectsG = $(addprefix Debug/,$(Objs))
+ObjectsO = $(addprefix $(BUILD_ROOT)/Release/,$(Objs)))
+ObjectsG = $(addprefix $(BUILD_ROOT)/Debug/,$(Objs))
#---------------------------------------------------------
all:: $(BUILD_LIBNAME_AO) $(BUILD_LIBNAME_OBJO) # Release
dynamic:: $(BUILD_LIBNAME_G) $(BUILD_LIBNAME_O) # .so files
-$(LIBNAME_O): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir Depend/.dir
+$(LIBNAME_O): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir
@echo ======= Linking $(LIBRARYNAME) release library =======
$(MakeSOO) -o $@ $(ObjectsO) $(LibSubDirs) $(LibLinkOpts)
-$(LIBNAME_G): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir Depend/.dir
+$(LIBNAME_G): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir
@echo ======= Linking $(LIBRARYNAME) debug library =======
$(MakeSO) -g -o $@ $(ObjectsG) $(LibSubDirs) $(LibLinkOpts)
-$(LIBNAME_AO): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir Depend/.dir
+$(LIBNAME_AO): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir
@echo ======= Linking $(LIBRARYNAME) release library =======
@rm -f $@
- $(MakeLib) $@ $(ObjectsO) $(LibSubDirs)
+ $(AR) $@ $(ObjectsO) $(LibSubDirs)
-$(LIBNAME_AG): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir Depend/.dir
+$(LIBNAME_AG): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir
@echo ======= Linking $(LIBRARYNAME) debug library =======
@rm -f $@
- $(MakeLib) $@ $(ObjectsG) $(LibSubDirs)
+ $(AR) $@ $(ObjectsG) $(LibSubDirs)
-$(LIBNAME_OBJO): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir Depend/.dir
+$(LIBNAME_OBJO): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir
$(Relink) -o $@ $(ObjectsO) $(LibSubDirs)
-$(LIBNAME_OBJG): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir Depend/.dir
+$(LIBNAME_OBJG): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir
$(Relink) -o $@ $(ObjectsG) $(LibSubDirs)
endif
ifdef TOOLNAME
# TOOLEXENAME* - These compute the output filenames to generate...
-TOOLEXENAME_G = $(LEVEL)/tools/Debug/$(TOOLNAME)
-TOOLEXENAME_O = $(LEVEL)/tools/Release/$(TOOLNAME)
-TOOLEXENAMES := $(TOOLEXENAME_G)
+TOOLEXENAME_G := $(BUILD_ROOT_TOP)/tools/Debug/$(TOOLNAME)
+TOOLEXENAME_O := $(BUILD_ROOT_TOP)/tools/Release/$(TOOLNAME)
+TOOLEXENAMES := $(TOOLEXENAME_G)
ifdef ENABLE_OPTIMIZED
TOOLEXENAMES += $(TOOLEXENAME_O)
endif
clean::
rm -f $(TOOLEXENAMES)
-$(TOOLEXENAME_G): $(ObjectsG) $(USED_LIB_PATHS_G) $(LEVEL)/tools/Debug/.dir
+$(TOOLEXENAME_G): $(ObjectsG) $(USED_LIB_PATHS_G) $(BUILD_ROOT_TOP)/tools/Debug/.dir
$(LinkG) -o $@ $(ObjectsG) $(USED_LIBS_OPTIONS_G) $(TOOLLINKOPTS)
-$(TOOLEXENAME_O): $(ObjectsO) $(USED_LIB_PATHS_O) $(LEVEL)/tools/Release/.dir
+$(TOOLEXENAME_O): $(ObjectsO) $(USED_LIB_PATHS_O) $(BUILD_ROOT_TOP)/tools/Release/.dir
$(LinkO) -o $@ $(ObjectsG) $(USED_LIBS_OPTIONS_O) $(TOOLLINKOPTS)
endif
#---------------------------------------------------------
-.PRECIOUS: Depend/.dir Debug/.dir Release/.dir
+.PRECIOUS: $(BUILD_ROOT)/Depend/.dir
+.PRECIOUS: $(BUILD_ROOT)/Debug/.dir $(BUILD_ROOT)/Release/.dir
# Create dependencies for the *.cpp files...
-Depend/%.d: %.cpp Depend/.dir
- $(Depend) $< | sed 's|$*\.o *|Release/& Debug/& Depend/$(@F)|g' > $@
+$(BUILD_ROOT)/Depend/%.d: %.cpp $(BUILD_ROOT)/Depend/.dir
+ $(Depend) $< | sed 's|$*\.o *|$(BUILD_ROOT)/Release/& $(BUILD_ROOT)/Debug/& $(BUILD_ROOT)/Depend/$(@F)|g' > $@
# Create dependencies for the *.c files...
-Depend/%.d: %.c Depend/.dir
+$(BUILD_ROOT)/Depend/%.d: %.c $(BUILD_ROOT)/Depend/.dir
$(Depend) $< | sed 's|$*\.o *|Release/& Debug/& Depend/$(@F)|g' > $@
# Create .o files in the ObjectFiles directory from the .cpp and .c files...
-Release/%.o: %.cpp Release/.dir Depend/.dir
+$(BUILD_ROOT)/Release/%.o: %.cpp $(BUILD_ROOT)/Release/.dir
$(CompileO) $< -o $@
#Release/%.o: %.c Release/.dir Depend/.dir
# $(CompileOC) $< -o $@
-Debug/%.o: %.cpp Debug/.dir Depend/.dir
+$(BUILD_ROOT)/Debug/%.o: %.cpp $(BUILD_ROOT)/Debug/.dir
$(CompileG) $< -o $@
-#Debug/%.o: %.c Debug/.dir Depend/.dir
+#Debug/%.o: %.c Debug/.dir
# $(CompileGC) $< -o $@
# Create a .cpp source file from a flex input file... this uses sed to cut down
# Clean nukes the tree
clean::
- rm -rf Debug Release Depend
+ rm -rf $(BUILD_ROOT)/Debug $(BUILD_ROOT)/Release $(BUILD_ROOT)/Depend
rm -f core *.o *.d *.so *~ *.flc
# If dependancies were generated for the file that included this file,
# include the dependancies now...
#
-SourceDepend = $(addsuffix .d,$(addprefix Depend/,$(basename $(filter-out Debug/%, $(Source)))))
+SourceDepend := $(addsuffix .d,$(addprefix $(BUILD_ROOT)/Depend/,$(basename $(filter-out Debug/%, $(Source)))))
ifneq ($(SourceDepend),)
include $(SourceDepend)
endif
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