Makefile
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SRCS+=$(BINOUT) | SRCS+=$(BINOUT) | ||
CC:=gcc | CC:=gcc | ||
| − | CFLAGS:=$(DEBUG) -c | + | CFLAGS:=$(DEBUG) -c -Wall |
CLINKS:=$(DEBUG) $(addprefix -l,$(CLIBS)) | CLINKS:=$(DEBUG) $(addprefix -l,$(CLIBS)) | ||
Revision as of 14:41, 15 October 2011
Contents |
General purpose makefile
Usage:
-
make- build the whole project -
make clean- remove any object, binary, temporary (*~) files -
make spotless- same as clean, but also removes any directories created during the build process -
make run- build the project, and execute it -
make new- re-build the whole project
# enable debugging? DEBUG:=-g # the output binary name (found in ./bin) # this is also used as a source file - %.c BINOUT:=main # when you type `make run` these args will be passed EXECARGS:= # the source files you wish to use (without the '.c') SRCS:= # any libraries you want to link with (without the 'lib'/'l' - e.g. "m rt") CLIBS:= ################################################################################### # There should be no need to change below here for most projects DIRS:=bin obj SRCS+=$(BINOUT) CC:=gcc CFLAGS:=$(DEBUG) -c -Wall CLINKS:=$(DEBUG) $(addprefix -l,$(CLIBS)) .PHONY: all new clean run spotless all: .dirs ./bin/$(BINOUT) new: clean ./bin/$(BINOUT) clean: rm -f *~ rm -f ./bin/$(BINOUT) rm -f ./obj/*.o run: ./bin/$(BINOUT) ./bin/$(BINOUT) $(EXECARGS) spotless: clean rm -rdf $(addprefix ./,$(DIRS)) .dirs .dirs: makefile mkdir -p $(addprefix ./,$(DIRS)) @touch .dirs ./bin/$(BINOUT): $(addprefix ./obj/,$(addsuffix .o,$(SRCS))) makefile $(CC) $(CLINKS) $(filter %.o,$^) -o $@ ./obj/%.o: %.c %.h makefile $(CC) $(CFLAGS) $*.c -o $@ ./obj/%.o: %.c makefile $(CC) $(CFLAGS) $*.c -o $@
Useful Rules
Timestamp your binaries
File: makefile
.PHONY stamp stamp: sed -i -re "s/^(.*compileStamp[^=]*)=[ ]*[0-9]*(.*)$$/\1= `date +%s`\2/" stamp.c ./obj/stamp.o: makefile stamp ./stamp.c $(CC) $(CFLAGS) ./stamp.c -o $@
File: stamp.c
const char *svnRevision = "$Id$"; /* holds nice SVN info, this file should ALWAYS get comitted */ unsigned int compileStamp = 0; /* holds the unix timestamp of the most recent compile */
Provide an 'install' rule
LIBOUT:=libName VERSION:=1.0.0 SYSHEADERS:=mylib USRLIB:=/usr/lib USRINC:=/usr/include .PHONY: install install_su install: all @echo @echo ifneq ($(shell echo $$USER),root) @echo "#######################################################################################" @echo "### To Install this library I need the root password please!" @echo "#######################################################################################" endif su -c "make install_su --no-print-directory" @echo install_su: $(USRLIB)/$(LIBOUT).so.$(VERSION) $(addprefix $(USRINC)/,$(addsuffix .h,$(SYSHEADERS))) $(USRLIB)/$(LIBOUT).so.$(VERSION): ./lib/$(LIBOUT).so.$(VERSION) cp -f ./lib/$(LIBOUT).so.$(VERSION) $(USRLIB)/$(LIBOUT).so.$(VERSION) @chown root:root $(USRLIB)/$(LIBOUT).so.$(VERSION) @chmod 755 $(USRLIB)/$(LIBOUT).so.$(VERSION) ln -sf ./$(LIBOUT).so.$(VERSION) $(USRLIB)/$(LIBOUT).so.1 @chown root:root $(USRLIB)/$(LIBOUT).so.1 @chmod 755 $(USRLIB)/$(LIBOUT).so.1 ln -sf ./$(LIBOUT).so.$(VERSION) $(USRLIB)/$(LIBOUT).so @chown root:root $(USRLIB)/$(LIBOUT).so @chmod 755 $(USRLIB)/$(LIBOUT).so $(USRINC)/%.h: %.h cp -f $*.h $@ @chown root:root $@ @chmod 644 $@
