📄 compile_and_link.make
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# file: $isip/scripts/make/compile_and_link.make# this makefile contains a standard set of dependencies and targets# that are used by all makefiles in the environment.##------------------------------------------------------------------------------## define variables section##------------------------------------------------------------------------------# create filenames#SRCS := $(wildcard $(ISIP_FILES))OBJS := $(subst .cc,.o,$(SRCS))BEXE = $(subst .exe,$(ISIP_INSTALL_EXT),$(ISIP_EXE))# make a dependency search path for header files. first all locally# checked out code, next the user specified include directories,# finally the standard isip include directory(ies)#HEADER_DIRS := $(subst -I, ,$(ISIP_IFLAGS) $(ISIP_INCLUDE))HEADER_VPATH = $(CLASS_DIRS) $(HEADER_DIRS)# make a dependency search path for the libraries: first the local# library directory and then the isip libraries#LIB_DIRS := $(subst -L, ,$(filter -L%,$(ISIP_LFLAGS_BEFORE) \ $(CLASS_LFLAGS) $(ISIP_LIBS) $(ISIP_LFLAGS_AFTER)))LIBS := $(filter -l%,$(ISIP_LFLAGS_BEFORE) $(ISIP_LIBS) $(ISIP_LFLAGS_AFTER))# remove the math library which is special#LIBFILES = $(filter-out -lm,$(LIBS))vpath %.h $(HEADER_VPATH)vpath %.a $(LIB_DIRS)# define flags for the C++ and C compilers#I_FLAGS = $(ISIP_IFLAGS) $(CLASS_I_FLAGS) $(ISIP_INCLUDE)CPLUS_FLAGS = -Wall -ftemplate-depth-50 $(ISIP_CFLAGS) $(filter-out -dmalloc,$(DEBUG)) -cC_FLAGS = LD_FLAGS = $(ISIP_CFLAGS)# modify the c_flags from the command line arguments. notice that# 'make DEBUG=' will nullify a specified debug flag in the user# makefile## if the DEBUG is specified on the command line, ignore what the# makefile tells us about debugging#ifneq "$(origin DEBUG)" "undefined" ISIP_CFLAGS := $(filter-out -g,$(ISIP_CFLAGS)) ISIP_CFLAGS := $(filter-out -dmalloc,$(ISIP_CFLAGS))endif# move the debug flags from the makefile's definition of CFLAGS to our# local variable DEBUG, which is later parsed back into# CPLUS_FLAGS. this unifies variables set in makefiles and command line# options. #ifneq "$(filter -g,$(ISIP_CFLAGS))" "" ISIP_CFLAGS := $(filter-out -g,$(ISIP_CFLAGS)) DEBUG += -gendif# if the optimize is set on the command line, override#ifneq "$(origin OPTIMIZE)" "undefined" ISIP_CFLAGS := $(filter-out -O%,$(ISIP_CFLAGS)) ISIP_CFLAGS += $(OPTIMIZE)endif# define dependencies: note that we include, by default, a makefile# located in the current directory so that changes to the makefile# will trigger a make. note also the dependency on isip libraries and# local copies of libraries#ALL_DEPS = $(ISIP_PROTO)/util/GNUmakefile $(ISIP_PROTO)/class/GNUmakefile \ $(ISIP_DEPS)# define libraries#ALL_LIBS = $(foreach dir, $(LIB_DIRS), -L$(dir)) $(LIBS)# define suffixes#.SUFFIXES: .cc# make sure we clean up# note: this code is executed ALL the time#.DONE:# make everything silent#.SILENT:#------------------------------------------------------------------------------## define targets and dependencies##------------------------------------------------------------------------------all: $(OBJS)# define executable dependencies#$(ISIP_EXE): $(OBJS) $(LIBFILES) echo "> linking" $(ISIP_EXE) echo $(ISIP_CPLUS_COMPILER) $(LD_FLAGS) "-o" $(ISIP_EXE) \ $(OBJS) $(ALL_LIBS) $(ISIP_CPLUS_COMPILER) $(LD_FLAGS) -o $(ISIP_EXE) $(OBJS) $(ALL_LIBS)# include file dependencies (define only the significant relationships)#$(OBJS): $(ALL_DEPS)# diagnose object## define source file dependencies#.cc.o: echo $(ISIP_CPLUS_COMPILER) $(I_FLAGS) $(CPLUS_FLAGS) $(C_FLAGS) $< $(ISIP_CPLUS_COMPILER) $(I_FLAGS) $(CPLUS_FLAGS) $(C_FLAGS) $<# define a link-only target#link: $(OBJS) echo "> linking $(ISIP_EXE)" $(ISIP_CPLUS_COMPILER) $(LD_FLAGS) -o $(ISIP_EXE) $(OBJS) $(ALL_LIBS)# install#install: $(ISIP_EXE) $(ISIP_BIN) echo "> installing binary" $(ISIP_BIN)/$(BEXE) cp $(ISIP_EXE) $(ISIP_BIN)/$(BEXE)$(ISIP_BIN): -if ( test ! -d $(ISIP_BIN)); then echo "> creating directory" $(ISIP_BIN); mkdir -p $(ISIP_BIN); fi# depend directive: this directive is called by recursive make before# any other, so header files will be in place before any code is# compiled. for this makefile only create directories#depend: $(ISIP_BIN)# clean up (the -rm lets make continue after errors)#clean: echo "> removing objects and binary" $(ISIP_EXE) -rm -f $(ISIP_EXE) echo "> removing" $(OBJS) -rm -f $(OBJS)# diagnostics (meaningless for utilities right now)#diagnose: echo "no diagnostic can be built for utility, skipping"test: echo "no diagnostic can be run for utility, skipping"# check existence#check: $(SRCS)## end of file
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