MYARCH=$(shell uname -m | sed 's/i[4-9]86/i386/')
ARCH=$(MYARCH)
OBJDIR=bin-$(ARCH)
HOME=$(shell pwd)
all: $(OBJDIR) $(OBJDIR)/start.o $(OBJDIR)/dyn_start.o $(OBJDIR)/dyn_stop.o \
$(OBJDIR)/dietlibc.a $(OBJDIR)/liblatin1.a $(OBJDIR)/librpc.a $(OBJDIR)/libpthread.a \
$(OBJDIR)/diet $(OBJDIR)/elftrunc
CFLAGS=-pipe
CROSS=
CC=gcc
VPATH=lib:libstdio:libugly:libcruft:libcrypt:libshell:liblatin1:librpc:libregex:syscalls.c
SYSCALLOBJ=$(patsubst syscalls.s/%.S,$(OBJDIR)/%.o,$(wildcard syscalls.s/*.S))
LIBOBJ=$(patsubst lib/%.c,$(OBJDIR)/%.o,$(wildcard lib/*.c))
LIBUGLYOBJ=$(patsubst libugly/%.c,$(OBJDIR)/%.o,$(wildcard libugly/*.c))
LIBSTDIOOBJ=$(patsubst libstdio/%.c,$(OBJDIR)/%.o,$(wildcard libstdio/*.c))
LIBCRUFTOBJ=$(patsubst libcruft/%.c,$(OBJDIR)/%.o,$(wildcard libcruft/*.c))
LIBCRYPTOBJ=$(patsubst libcrypt/%.c,$(OBJDIR)/%.o,$(wildcard libcrypt/*.c))
LIBSHELLOBJ=$(patsubst libshell/%.c,$(OBJDIR)/%.o,$(wildcard libshell/*.c))
LIBRPCOBJ=$(patsubst librpc/%.c,$(OBJDIR)/%.o,$(wildcard librpc/*.c))
LIBREGEXOBJ=$(patsubst libregex/%.c,$(OBJDIR)/%.o,$(wildcard libregex/*.c))
LIBPTHREAD_OBJS=$(patsubst libpthread/%.c,$(OBJDIR)/%.o,$(shell ./threadsafe.sh)) $(OBJDIR)/__testandset.o
include $(ARCH)/Makefile.add
ifeq ($(CFLAGS),-pipe)
CFLAGS+=-O -fomit-frame-pointer
endif
ifneq ($(DEBUG),)
CFLAGS = -g
COMMENT = :
endif
CFLAGS += -Wall -Wno-switch
PWD=$(shell pwd)
.SUFFIXES:
.SUFFIXES: .S .c
$(OBJDIR):
mkdir $@
% :: %,v
$(OBJDIR)/%.o: %.S
$(CROSS)$(CC) -I. -Iinclude $(CFLAGS) -c $< -o $@
$(OBJDIR)/pthread_%.o: libpthread/pthread_%.c
$(CROSS)$(CC) -I. -Iinclude $(CFLAGS) -c $< -o $@
$(COMMENT) $(CROSS)strip -x -R .comment -R .note $@
$(OBJDIR)/%.o: %.c
$(CROSS)$(CC) -I. -Iinclude $(CFLAGS) -c $< -o $@
$(COMMENT) $(CROSS)strip -x -R .comment -R .note $@
DIETLIBC_OBJ = $(SYSCALLOBJ) $(LIBOBJ) $(LIBSTDIOOBJ) $(LIBUGLYOBJ) \
$(LIBCRUFTOBJ) $(LIBCRYPTOBJ) $(LIBSHELLOBJ) $(LIBREGEXOBJ) \
$(OBJDIR)/__longjmp.o $(OBJDIR)/setjmp.o $(OBJDIR)/unified.o \
$(OBJDIR)/mmap.o $(OBJDIR)/clone.o
$(OBJDIR)/dietlibc.a: $(DIETLIBC_OBJ) $(OBJDIR)/start.o
$(CROSS)ar cru $@ $(DIETLIBC_OBJ)
$(OBJDIR)/librpc.a: $(LIBRPCOBJ)
$(CROSS)ar cru $@ $(LIBRPCOBJ)
LIBLATIN1_OBJS=$(patsubst liblatin1/%.c,$(OBJDIR)/%.o,$(wildcard liblatin1/*.c))
$(OBJDIR)/liblatin1.a: $(LIBLATIN1_OBJS)
$(CROSS)ar cru $@ $^
$(OBJDIR)/libpthread.a: $(LIBPTHREAD_OBJS) dietfeatures.h
$(CROSS)ar cru $@ $(LIBPTHREAD_OBJS)
$(OBJDIR)/libdietc.so: $(OBJDIR)/dietlibc.a
$(CROSS)ld -whole-archive -shared -o $@ $^
$(SYSCALLOBJ): syscalls.h
$(OBJDIR)/elftrunc: $(OBJDIR)/diet contrib/elftrunc.c
bin-$(MYARCH)/diet $(CROSS)$(CC) $(CFLAGS) -o $@ contrib/elftrunc.c
$(OBJDIR)/diet: $(OBJDIR)/start.o $(OBJDIR)/dyn_start.o diet.c $(OBJDIR)/dietlibc.a $(OBJDIR)/dyn_stop.o
$(CROSS)$(CC) -Iinclude $(CFLAGS) -nostdlib -o $@ $^ -DDIETHOME=\"$(HOME)\"
$(CROSS)strip -R .comment -R .note $@
$(OBJDIR)/djb: $(OBJDIR)/compile $(OBJDIR)/load
$(OBJDIR)/compile:
echo 'exec gcc $(CFLAGS) -I$(PWD)/$(OBJDIR)/include -c $${1+"$$@"}' > $@
chmod 755 $@
$(OBJDIR)/load:
echo 'main="$$1"; shift; exec gcc -nostdlib -o "$$main" $(PWD)/$(OBJDIR)/start.o "$$main".o $${1+"$$@"} $(PWD)/$(OBJDIR)/dietlibc.a -lgcc' > $@
chmod 755 $@
clean:
rm -f *.o *.a t t1 compile load elftrunc exports mapfile libdietc.so
rm -rf bin-*
$(MAKE) -C examples clean
tar: clean
rm -f armv4l
ln -sf arm armv4l
cd ..; tar cvvf dietlibc.tar.bz2 dietlibc --use=bzip2 --exclude CVS
$(OBJDIR)/exports: $(OBJDIR)/dietlibc.a
nm -g $(OBJDIR)/dietlibc.a | grep -w T | awk '{ print $$3 }' | sort -u > $(OBJDIR)/exports
.PHONY: t t1
t:
$(CROSS)$(CC) -g $(CFLAGS) -fno-builtin -nostdlib -Iinclude -o t t.c $(OBJDIR)/start.o $(OBJDIR)/dietlibc.a -lgcc -Wl,-Map,mapfile
t1:
$(CROSS)$(CC) -g -o t1 t.c
install: $(OBJDIR)/start.o $(OBJDIR)/dietlibc.a $(OBJDIR)/liblatin1.a $(OBJDIR)/elftrunc $(OBJDIR)/diet
cp $(OBJDIR)/start.o $(INSTALLPREFIX)$(prefix)/lib/dietstart.o
cp $(OBJDIR)/dietlibc.a $(INSTALLPREFIX)$(prefix)/lib/libdietc.a
cp $(OBJDIR)/liblatin1.a $(INSTALLPREFIX)$(prefix)/lib/libdietlatin1.a
cp $(OBJDIR)/diet $(INSTALLPREFIX)$(prefix)/bin/diet
.PHONY: sparc ppc mips arm alpha i386
arm sparc ppc alpha i386:
$(MAKE) ARCH=$@ CROSS=$@-linux- all t bin-$@/libdietc.so
mips:
$(MAKE) ARCH=$@ CROSS=$@-linux-gnu- all t bin-$@/libdietc.so
cross:
$(MAKE) arm sparc ppc alpha i386 mips
# these depend on dietfeatures.h for large file backward compatibility
$(OBJDIR)/__fstat64.o $(OBJDIR)/__lstat64.o $(OBJDIR)/__stat64.o: dietfeatures.h
# these depend on dietfeatures.h for thread support
$(OBJDIR)/alloc.o $(OBJDIR)/perror.o $(OBJDIR)/logging.o $(OBJDIR)/unified.o $(OBJDIR)/clone.o $(OBJDIR)/set_errno.o: dietfeatures.h
# these depend on dietfeatures.h for linker warnings
$(OBJDIR)/assert_fail.o $(OBJDIR)/sprintf.o $(OBJDIR)/vsnprintf.o $(OBJDIR)/___div.o $(OBJDIR)/fflush.o $(OBJDIR)/setvbuf.o $(OBJDIR)/system.o $(OBJDIR)/sendfile.o $(OBJDIR)/setenv.o: dietfeatures.h
# these depend on dietfeatures.h for buffered stdio
fclose.o $(OBJDIR)/fdglue.o $(OBJDIR)/fflush.o $(OBJDIR)/fgetc.o $(OBJDIR)/fputc.o $(OBJDIR)/fread.o $(OBJDIR)/fseek.o $(OBJDIR)/printf.o $(OBJDIR)/setvbuf.o $(OBJDIR)/stderr.o $(OBJDIR)/stdin.o $(OBJDIR)/stdout.o $(OBJDIR)/fwrite.o $(OBJDIR)/puts.o: dietfeatures.h
# these depend on dietfeatures.h for fast string routines
strcasecmp.o $(OBJDIR)/strcat.o $(OBJDIR)/strchr.o $(OBJDIR)/strcmp.o $(OBJDIR)/strcpy.o $(OBJDIR)/strlen.o $(OBJDIR)/strncasecmp.o $(OBJDIR)/strncat.o $(OBJDIR)/strrchr.o: dietfeatures.h
# these depend on dietfeatures.h for /proc
$(OBJDIR)/tty.o: dietfeatures.h
# these depend on dietfeatures.h for ungetc support ;-)
$(OBJDIR)/ungetc.o: dietfeatures.h
# these depend on dietfeatures.h for WANT_TZFILE_PARSER
$(OBJDIR)/localtime_r.o: dietfeatures.h
# these depend on dietfeatures.h for WANT_BUGGY_GLIBC_STRSEP
$(OBJDIR)/strsep.o: dietfeatures.h
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