+# $Id$
+
+ifndef prefix
+prefix=/opt/cortex
+endif
+
+libdir=$(prefix)/lib
+bindir=$(prefix)/bin
+includedir=$(prefix)/include
+
+#CPU=cortex-m3
+CPUS=cortex-m0 cortex-m3 cortex-m4
+FIRSTCPU=cortex-m0
+CPU=none
+BUILD=build-$(CPU)
+
+# CPU specific compiler flags
+ifeq ($(CPU),cortex-m0)
+CPU_FLAGS=
+endif
+ifeq ($(CPU),cortex-m3)
+CPU_FLAGS=
+endif
+ifeq ($(CPU),cortex-m4)
+CPU_FLAGS=-mfloat-abi=hard
+endif
+
+#CC=$(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
-SRCFILES := $(shell find . -mindepth 1 -maxdepth 3 -name "*.c")
-HDRFILES := $(shell find . -mindepth 1 -maxdepth 3 -name "*.h")
-OBJFILES := $(patsubst %.c,%.o,$(SRCFILES))
-TSTFILES := $(patsubst %.c,%.t,$(SRCFILES))
+# 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) $(AUXFILES)
-.PHONY: all clean dist
+WARNINGS := -Wall -Wextra -pedantic -Wno-unused-parameter -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline -Wno-long-long -Wuninitialized -Wstrict-prototypes
+PLATFORM_FLAGS=-mlittle-endian -mthumb -mcpu=$(CPU) -ffreestanding $(CPU_FLAGS)
+CFLAGS := -Os -g -std=c99 -I./$(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: $(OBJFILES)
- ar r pdclib.a $?
+PDCLIBNAME=libpdclib
+PDCLIB=$(PDCLIBNAME)-$(CPU).a
-test: $(TSTFILES)
- -@rc=0; for file in $(TSTFILES); do ./$$file; rc=`expr $$rc + $$?`; done; echo; echo "Tests failed: $$rc"
+all:
+ +for i in $(CPUS); do make CPU=$$i links; make CPU=$$i $(PDCLIBNAME)-$$i.a; done
--include $(DEPFILES)
+install: install-hdr
+ @echo '######' install
+ +for i in $(CPUS); do make CPU=$$i prefix=$(prefix) install-lib-$$i; done
+
+install-hdr:
+ @echo '######' install-hdr
+ +make CPU=$(FIRSTCPU) prefix=$(prefix) install-hdr-$(FIRSTCPU)
clean:
- -@for file in $(OBJFILES) $(DEPFILES) $(TSTFILES) pdclib.a; do if [ -f $$file ]; then rm $$file; fi; done
+ +for i in $(CPUS); do make CPU=$$i clean-$$i; rm -rf build-$$i; done
+
+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-$(CPU)-lib install-hdr
+ @echo '######' install-$(CPU)
+
+install-lib-$(CPU): $(PDCLIB)
+ @echo '######' install-lib-$(CPU)
+ install -D -c $(PDCLIB) $(DESTDIR)$(libdir)/$(PDCLIB)
+
+install-hdr-$(CPU): $(BUILD) $(BUILDHDRFILES)
+ @echo '######' install-hdr-$(CPU)
+ for file in $(BUILDHDRFILES); do \
+ install -m 0444 -D -c $$file $(DESTDIR)$(includedir)/.; \
+ done
+
+test: functions/$(FILE)
+ functions/$(FILE)
-dist:
+tests: testdrivers
+ -@rc=0; count=0; failed=""; for file in $(TSTFILES); do echo " TST $$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
+ if [ -f platform/$(PLATFORM)/include-exclude ]; then for ex in `cat platform/$(PLATFORM)/include-exclude`; do echo exclude $$ex; rm -f $(BUILD)/includes/$$ex; done; fi; true
+
+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 $(PDCLIB))"
+ @echo " testdrivers - build but do not run test drivers"
+ @echo "regtests - build and run regression test drivers (link system clib)"
+ @echo " regtestdrivers - build but do not run regression test drivers"
+ @echo "todos - list all TODO comments in the sources"
+ @echo "fixmes - list all FIXME comments in the sources"
+ @echo "find - find a phrase in the sources (Usage: FIND=\"phrase\" make find)"
+ @echo "links - link platform files (development only)"
+ @echo "unlink - remove links to platform files (development only)"
+ @echo "%.o - build an individual object file"
+ @echo "%.t - build an individual test driver"
+ @echo "%.r - build an individual regression test driver"
+ @echo "help - print this list"
+ @echo
+ @echo "Any additional compiler flags you want to use can be passed as USERFLAGS"
+ @echo "(Usage: USERFLAGS=\"flags\" make [...])."
+
%.o: %.c Makefile
- @$(CC) -Wall -DNDEBUG -MMD -MP -MT "$*.d $*.t" -g -std=c99 -I./internals -c $< -o $@
+ @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 $@
-%.t: %.c Makefile
- @$(CC) -Wall -DTEST -std=c99 -I./internals/ $< -o $@
+$(BUILD):
+ mkdir -p $(BUILD)
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