From: Keith Packard Date: Mon, 15 Apr 2013 17:21:10 +0000 (-0700) Subject: Add support for building multiple architectures X-Git-Url: https://git.gag.com/?p=fw%2Fpdclib;a=commitdiff_plain;h=803e2e11fcb7a05e08923d5ac15ed1b090d1cb16;hp=2b197c4185ac95ec421fb85a472f13a4ff333587 Add support for building multiple architectures This builds cortex-m3 and cortex-m0 libraries, installing them with separate names. Signed-off-by: Keith Packard --- diff --git a/Makefile b/Makefile index 2afbc20..84e3393 100644 --- a/Makefile +++ b/Makefile @@ -1,11 +1,18 @@ # $Id$ DESTDIR= -prefix=/home/keithp/sat +prefix=/opt/sat libdir=$(prefix)/lib +bindir=$(prefix)/bin includedir=$(prefix)/include -CC=arm-none-eabi-gcc +#CPU=cortex-m3 +CPUS=cortex-m0 cortex-m3 +FIRSTCPU=cortex-m0 +CPU=none +BUILD=build-$(CPU) + +CC=$(bindir)/arm-none-eabi-gcc # This is where you chose which platform to compile for (see 'make links' / './platform') PLATFORM := altos @@ -17,10 +24,10 @@ AUXFILES := Makefile Readme.txt PROJDIRS := functions includes internals # All source files of the project SRCFILES := $(shell find -L $(PROJDIRS) -type f -name "*.c") -BUILDFILES := $(shell find -L build -type f -name "*.c") +BUILDFILES := $(shell find -L $(BUILD) -type f -name "*.c") # All header files of the project HDRFILES := $(shell find -L $(PROJDIRS) -type f -name "*.h") -BUILDHDRFILES := $(shell find -L build -type f -name "*.h") +BUILDHDRFILES := $(shell find -L $(BUILD) -type f -name "*.h") # All .c files in functions/_PDCLIB that do not have a regression test driver INTFILES := _Exit atomax digits open print scan remove rename seed stdinit strtox_main strtox_prelim filemode eol errno seek prepread prepwrite allocpages tmpfilename closeall # All object files in the library @@ -40,11 +47,20 @@ ALLFILES := $(SRCFILES) $(HDRFILES) $(AUXFILES) WARNINGS := -Wall -Wextra -pedantic -Wno-unused-parameter -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline -Wno-long-long -Wuninitialized -Wstrict-prototypes PLATFORM_FLAGS=-nostdinc -mlittle-endian -mthumb -mcpu=cortex-m3 -ffreestanding -nostdlib -CFLAGS := -fno-builtin -Os -g -std=c99 -I./build/internals -I./testing $(WARNINGS) $(USERFLAGS) $(PLATFORM_FLAGS) +CFLAGS := -fno-builtin -Os -g -std=c99 -I./$(BUILD)/internals -I./testing $(WARNINGS) $(USERFLAGS) $(PLATFORM_FLAGS) .PHONY: all clean srcdist bindist test tests testdrivers regtests regtestdrivers todos fixmes find links unlink help -all: pdclib.a +PDCLIB=pdclib-$(CPU).a + +all: + +for i in $(CPUS); do make CPU=$$i links pdclib-$$i.a; done + +install: install-hdr + +for i in $(CPUS); do make CPU=$$i install-lib-$$i; done + +install-hdr: + +make CPU=$(FIRSTCPU) install-hdr-$(FIRSTCPU) check: all testdrivers regtestdrivers @echo @@ -60,17 +76,17 @@ check: all testdrivers regtestdrivers @echo @$(MAKE) regtests | grep -v "^ RTST" | grep -v "^Failed" -pdclib.a: $(OBJFILES) +$(PDCLIB): $(BUILD) $(OBJFILES) @echo " AR $@" - @ar rc pdclib.a $? + @ar rc $@ $(OBJFILES) @echo -install: install-lib install-hdr +install-$(CPU): install-$(CPU)-lib install-hdr -install-lib: pdclib.a - install -D -c pdclib.a $(DESTDIR)$(libdir)/pdclib.a +install-lib-$(CPU): $(BUILD) $(PDCLIB) + install -D -c $(PDCLIB) $(DESTDIR)$(libdir)/$(PDCLIB) -install-hdr: $(BUILDHDRFILES) +install-hdr-$(CPU): $(BUILD) $(BUILDHDRFILES) for file in $(BUILDHDRFILES); do \ install -D -c $$file $(DESTDIR)$(includedir)/.; \ done @@ -92,8 +108,8 @@ regtestdrivers: $(REGFILES) -include $(DEPFILES) $(TSTDEPFILES) $(REGDEPFILES) -clean: - -@$(RM) $(wildcard $(OBJFILES) $(DEPFILES) $(TSTFILES) $(TSTDEPFILES) $(REGFILES) $(REGDEPFILES) pdclib.a pdclib.tgz scanf_testdata_*) +clean: $(BUILD) + -@$(RM) $(wildcard $(OBJFILES) $(DEPFILES) $(TSTFILES) $(TSTDEPFILES) $(REGFILES) $(REGDEPFILES) $(PDCLIB) pdclib.tgz scanf_testdata_*) srcdist: @tar czf pdclib.tgz $(ALLFILES) @@ -107,24 +123,24 @@ fixmes: find: @find functions/ includes/ internals/ platform/ -name "*\.[ch]" -type f | xargs grep $$FIND -links: +links: $(BUILD) @echo "Linking platform/$(PLATFORM)..." - @for dir in $$(find functions includes internals -type d); do mkdir -p build/$$dir; done - @for file in $$(find platform/$(PLATFORM) -mindepth 2 -type f ! -path *.svn* -printf "%P\n"); do if [ ! -f build/$$file ]; then ln -s $$(dirname $$file | sed "s@[^/]*@..@g")/../platform/$(PLATFORM)/$$file build/$$file; fi; done - @for super in $(PROJDIRS); do for file in $$(find $$super -type f ! -path *.svn* -printf "%P\n"); do if [ ! -f build/$$super/$$file ]; then ln -s $$(echo $$file | sed "s@[^/]*@..@g")/../$$super/$$file build/$$super/$$file; fi; done; done + @for dir in $$(find functions includes internals -type d); do mkdir -p $(BUILD)/$$dir; done + @for file in $$(find platform/$(PLATFORM) -mindepth 2 -type f ! -path *.svn* -printf "%P\n"); do if [ ! -f $(BUILD)/$$file ]; then ln -s $$(dirname $$file | sed "s@[^/]*@..@g")/../platform/$(PLATFORM)/$$file $(BUILD)/$$file; fi; done + @for super in $(PROJDIRS); do for file in $$(find $$super -type f ! -path *.svn* -printf "%P\n"); do if [ ! -f $(BUILD)/$$super/$$file ]; then ln -s $$(echo $$file | sed "s@[^/]*@..@g")/../$$super/$$file $(BUILD)/$$super/$$file; fi; done; done -unlink: +unlink: $(BUILD) @echo "Unlinking platform files..." - @for dir in $(PROJDIRS); do find build/$$dir -type l -exec rm {} +; done + @for dir in $(PROJDIRS); do find $(BUILD)/$$dir -type l -exec rm {} +; done help: @echo "Available make targets:" @echo - @echo "all - build pdclib.a" + @echo "all - build $(PDCLIB)" @echo "clean - remove all object files, dependency files and test drivers" @echo "srcdist - build pdclib.tgz (source tarball)" @echo "test - test a single testdriver (Usage: FILE=\"test.[rt]\" make test)" - @echo "tests - build and run test drivers (link pdclib.a)" + @echo "tests - build and run test drivers (link $(PDCLIB))" @echo " testdrivers - build but do not run test drivers" @echo "regtests - build and run regression test drivers (link system clib)" @echo " regtestdrivers - build but do not run regression test drivers" @@ -143,13 +159,15 @@ help: %.o: %.c Makefile echo " CC $(patsubst functions/%,%,$@)" - $(CC) $(CFLAGS) -MMD -MP -I./build/includes -c $< -o $@ + $(CC) $(CFLAGS) -MMD -MP -I./$(BUILD)/includes -c $< -o $@ -%_t: %.c Makefile pdclib.a +%_t: %.c Makefile $(PDCLIB) @echo " CC $(patsubst functions/%,%,$@)" - @$(CC) $(CFLAGS) -MMD -MP -DTEST -I./build/includes $< pdclib.a -o $@ + @$(CC) $(CFLAGS) -MMD -MP -DTEST -I./$(BUILD)/includes $< $(PDCLIB) -o $@ %_r: %.c Makefile @echo " CC $(patsubst functions/%,%,$@)" @$(CC) $(CFLAGS) -MMD -MP -DTEST -DREGTEST $< -o $@ +$(BUILD): + mkdir -p $(BUILD) \ No newline at end of file