[fw/pdclib] / Makefile

# $Id$

DESTDIR=
prefix=/opt/cortex
libdir=$(prefix)/lib
bindir=$(prefix)/bin
includedir=$(prefix)/include

#CPU=cortex-m3
CPUS=cortex-m0 cortex-m3
FIRSTCPU=cortex-m0
CPU=none
BUILD=build-$(CPU)

#CC=$(bindir)/arm-none-eabi-gcc
CC=/usr/bin/arm-none-eabi-gcc

# This is where you chose which platform to compile for (see 'make links' / './platform')
PLATFORM := altos

# This is a list of all non-source files that are part of the distribution.
AUXFILES := Makefile Readme.txt

# Directories belonging to the project
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")
# All header files of the project
HDRFILES := $(shell find -L $(PROJDIRS) -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
OBJFILES := $(patsubst %.c,%.o,$(BUILDFILES))
# All test drivers (.t)
TSTFILES := $(patsubst %.c,%_t,$(SRCFILES))
# All regression test drivers (.r)
REGFILES := $(filter-out $(patsubst %,functions/_PDCLIB/%_r,$(INTFILES)),$(patsubst %.c,%_r,$(SRCFILES)))
# All library dependency files (.d)
DEPFILES := $(patsubst %.c,%.d,$(SRCFILES))
# All test driver dependency files (_t.d)
TSTDEPFILES := $(patsubst %,%.d,$(TSTFILES))
# All regression test driver dependency files (_r.d)
REGDEPFILES := $(patsubst %,%.d,$(REGFILES))
# All files belonging to the source distribution
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=$(CPU) -ffreestanding -nostdlib
CFLAGS := -fno-builtin -Os -g -std=c99 -I./$(BUILD)/internals -I./testing $(WARNINGS) $(USERFLAGS) $(PLATFORM_FLAGS)

.PHONY: all clean srcdist bindist test tests testdrivers regtests regtestdrivers todos fixmes find links unlink help

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)

clean:
        +for i in $(CPUS); do make CPU=$$i clean-$$i; rm -rf build-$$i; done
        rm -f pdclib.a

check: all testdrivers regtestdrivers
        @echo
        @echo "========================"
        @echo "Executing library tests:"
        @echo "========================"
        @echo
        @$(MAKE) tests | grep -v "^ TST" | grep -v "^Failed"
        @echo
        @echo "==========================="
        @echo "Executing regression tests:"
        @echo "==========================="
        @echo
        @$(MAKE) regtests | grep -v "^ RTST" | grep -v "^Failed"

$(PDCLIB): $(BUILD) $(OBJFILES)
        @echo " AR      $@"
        @ar rc $@ $(OBJFILES)
        @echo

install-$(CPU): install-$(CPU)-lib install-hdr

install-lib-$(CPU): $(BUILD) $(PDCLIB)
        install -D -c $(PDCLIB) $(DESTDIR)$(libdir)/$(PDCLIB)

install-hdr-$(CPU): $(BUILD) $(BUILDHDRFILES)
        for file in $(BUILDHDRFILES); do \
                install -D -c $$file $(DESTDIR)$(includedir)/.; \
        done

test: functions/$(FILE)
        functions/$(FILE)

tests: testdrivers
        -@rc=0; count=0; failed=""; for file in $(TSTFILES); do echo " TST      $$file"; ./$$file; test=$$?; if [ $$test != 0 ]; then rc=`expr $$rc + $$test`; failed="$$failed $$file"; fi; count=`expr $$count + 1`; done; echo; echo "Tests executed (linking PDCLib): $$count  Tests failed: $$rc"; echo; for file in $$failed; do echo "Failed: $$file"; done; echo

testdrivers: $(TSTFILES)
        @echo

regtests: regtestdrivers
        -@rc=0; count=0; failed=""; for file in $(REGFILES); do echo " RTST     $$file"; ./$$file; test=$$?; if [ $$test != 0 ]; then rc=`expr $$rc + $$test`; failed="$$failed $$file"; fi; count=`expr $$count + 1`; done; echo; echo "Tests executed (linking system libc): $$count  Tests failed: $$rc"; echo; for file in $$failed; do echo "Failed: $$file"; done; echo

regtestdrivers: $(REGFILES)
        @echo

-include $(DEPFILES) $(TSTDEPFILES) $(REGDEPFILES)

clean-$(CPU): $(BUILD)
        -@$(RM) $(wildcard $(OBJFILES) $(DEPFILES) $(TSTFILES) $(TSTDEPFILES) $(REGFILES) $(REGDEPFILES) $(PDCLIB) pdclib.tgz scanf_testdata_*)

srcdist:
        @tar czf pdclib.tgz $(ALLFILES)

todos:
        -@for file in $(ALLFILES:Makefile=); do grep -H TODO $$file; done; true

fixmes:
        -@for file in $(ALLFILES:Makefile=); do grep -H FIXME $$file; done; true

find:
        @find functions/ includes/ internals/ platform/ -name "*\.[ch]" -type f | xargs grep $$FIND

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

unlink: $(BUILD)
        @echo "Unlinking platform files..."
        @for dir in $(PROJDIRS); do find $(BUILD)/$$dir -type l -exec rm {} +; done

help:
        @echo "Available make targets:"
        @echo
        @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))"
        @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"
        @echo "todos            - list all TODO comments in the sources"
        @echo "fixmes           - list all FIXME comments in the sources"
        @echo "find             - find a phrase in the sources (Usage: FIND=\"phrase\" make find)"
        @echo "links            - link platform files (development only)"
        @echo "unlink           - remove links to platform files (development only)"
        @echo "%.o              - build an individual object file"
        @echo "%.t              - build an individual test driver"
        @echo "%.r              - build an individual regression test driver"
        @echo "help             - print this list"
        @echo
        @echo "Any additional compiler flags you want to use can be passed as USERFLAGS"
        @echo "(Usage: USERFLAGS=\"flags\" make [...])."

%.o: %.c Makefile
        echo " CC       $(patsubst functions/%,%,$@)"
        $(CC) $(CFLAGS) -MMD -MP -I./$(BUILD)/includes -c $< -o $@

%_t: %.c Makefile $(PDCLIB)
        @echo " CC      $(patsubst functions/%,%,$@)"
        @$(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)