all: start.o dietlibc.a elftrunc
ARCH=$(shell uname -m | sed 's/i[4-9]86/i386/')
CFLAGS=-pipe
CROSS=
VPATH=lib:libstdio:libugly:libcruft:syscalls.c
SYSCALLOBJ=$(patsubst syscalls.s/%.S,%.o,$(wildcard syscalls.s/*.S))
LIBOBJ=$(patsubst lib/%.c,%.o,$(wildcard lib/*.c))
LIBUGLYOBJ=$(patsubst libugly/%.c,%.o,$(wildcard libugly/*.c))
LIBSTDIOOBJ=$(patsubst libstdio/%.c,%.o,$(wildcard libstdio/*.c))
LIBCRUFTOBJ=$(patsubst libcruft/%.c,%.o,$(wildcard libcruft/*.c))
include $(ARCH)/Makefile.add
ifeq ($(CFLAGS),-pipe)
CFLAGS+=-O -fomit-frame-pointer
endif
#CFLAGS = -g
CFLAGS += -Wall
PWD=$(shell pwd)
.SUFFIXES:
.SUFFIXES: .S .c
% :: %,v
%.o: %.S
$(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
%.o: %.c
$(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
# $(CROSS)strip -x -R .comment -R .note $@
DIETLIBC_OBJ = $(SYSCALLOBJ) $(LIBOBJ) $(LIBSTDIOOBJ) $(LIBUGLYOBJ) \
$(LIBCRUFTOBJ) __longjmp.o setjmp.o unified.o mmap.o clone.o
dietlibc.a: $(DIETLIBC_OBJ) start.o
$(CROSS)ar cru dietlibc.a $(DIETLIBC_OBJ)
libdietc.so: dietlibc.a
$(CROSS)ld -whole-archive -shared -o $@ $^
$(SYSCALLOBJ): syscalls.h
elftrunc: contrib/elftrunc.c start.o dietlibc.a
$(CROSS)gcc -Iinclude $(CFLAGS) -nostdlib -o $@ $^
djb: compile load
compile:
echo 'exec gcc $(CFLAGS) -I$(PWD)/include -c $${1+"$$@"}' > $@
chmod 755 $@
load:
echo 'main="$$1"; shift; exec gcc -nostdlib -o "$$main" $(PWD)/start.o "$$main".o $${1+"$$@"} $(PWD)/dietlibc.a -lgcc' > $@
chmod 755 $@
clean:
rm -f *.o *.a t t1 compile load elftrunc exports mapfile libdietc.so
$(MAKE) -C examples clean
tar: clean
rm -f armv4l
ln -sf arm armv4l
cd ..; tar cvvf dietlibc.tar.bz2 dietlibc --use=bzip2 --exclude CVS
exports: dietlibc.a
nm -g dietlibc.a | grep -w T | awk '{ print $$3 }' | sort -u > exports
.PHONY: t t1
t:
$(CROSS)gcc -g $(CFLAGS) -fno-builtin -nostdlib -Iinclude -o t t.c start.o dietlibc.a -lgcc -Wl,-Map,mapfile
t1:
$(CROSS)gcc -g -o t1 t.c
install:
cp start.o $(INSTALLPREFIX)$(prefix)/lib/dietstart.o
cp dietlibc.a $(INSTALLPREFIX)$(prefix)/lib/libdietc.a
.PHONY: sparc ppc mips arm alpha i386
sparc ppc alpha i386:
$(MAKE) ARCH=$@ CROSS=$@-linux- all t libdietc.so
mips arm:
$(MAKE) ARCH=$@ CROSS=$@-linux-gnu- all t libdietc.so
# these depend on dietfeatures.h for large file backward compatibility
__fstat64.o __lstat64.o __stat64.o: dietfeatures.h
# these depend on dietfeatures.h for thread support
alloc.o perror.o: dietfeatures.h
# these depend on dietfeatures.h for linker warnings
assert_fail.o sprintf.o vsnprintf.o ___div.o fflush.o setvbuf.o system.o sendfile.o: dietfeatures.h
# these depend on dietfeatures.h for buffered stdio
fclose.o fdglue.o fflush.o fgetc.o fputc.o fread.o fseek.o: dietfeatures.h
printf.o setvbuf.o stderr.o stdin.o stdout.o fwrite.o: dietfeatures.h
# these depend on dietfeatures.h for fast string routines
strcasecmp.o strcat.o strchr.o strcmp.o strcpy.o strlen.o: dietfeatures.h
strncasecmp.o strncat.o strrchr.o: dietfeatures.h
# these depend on dietfeatures.h for /proc
tty.o: dietfeatures.h
# these depend on dietfeatures.h for ungetc support ;-)
ungetc.o: dietfeatures.h
LinuxTV legacy CVS <linuxtv.org/cvs>