# Makefile for uClibc # # Copyright (C) 2000 by Lineo, inc. # Copyright (C) 2000,2001 Erik Andersen <andersen@uclibc.org> # # This program is free software; you can redistribute it and/or modify it under # the terms of the GNU Library General Public License as published by the Free # Software Foundation; either version 2 of the License, or (at your option) any # later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more # details. # # You should have received a copy of the GNU Library General Public License # along with this program; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Derived in part from the Linux-8086 C library, the GNU C Library, and several # other sundry sources. Files within this library are copyright by their # respective copyright holders. TOPDIR=../../ include $(TOPDIR)Rules.mak DIRS:= CSRC=execl.c execlp.c execv.c execvep.c execvp.c execle.c getcwd.c \ sleep.c usleep.c getpass.c sysconf_src.c getlogin.c \ fpathconf.c confstr.c pathconf.c ifeq ($(strip $(HAS_MMU)),true) CSRC+=daemon.c endif # TESTING -- comment this out if it breaks for you ifeq ($(TARGET_ARCH), $(NATIVE_ARCH)) SYSCONF = sysconf_native else SYSCONF = sysconf_$(TARGET_ARCH).c endif COBJS=$(patsubst %.c,%.o, $(CSRC)) MSRC=getopt.c MOBJ=_gnu_getopt_internal.o gnu_getopt_long.o gnu_getopt_long_only.o OBJS=$(COBJS) $(MOBJ) all: $(SYSCONF) $(OBJS) $(LIBC) $(LIBC): ar-target subdirs ar-target: $(OBJS) $(AR) $(ARFLAGS) $(LIBC) $(OBJS) # We are cross-compiling so use the generic sysconf.c. sysconf_$(TARGET_ARCH).c: sysconf.c @echo warning: sysconf_$(NATIVE_ARCH).c is older then sysconf.c so using generic sysconf.c @echo To build sysconf_$(NATIVE_ARCH).c run gen_sysconf \> sysconf_$(NATIVE_ARCH).c on @echo your target platform, place in the unistd directory, and rebuild cp -f sysconf.c sysconf_$(TARGET_ARCH).c # We are compiling for the native platform, so build an optimized sysconf.c. getpagesize_tester.o: $(CC) $(CFLAGS) -D_UCLIBC_GENERATE_SYSCONF_ARCH \ -c ../sysdeps/linux/common/getpagesize.c -o getpagesize_tester.o sysconf_tester.o: sysconf.c $(CC) $(CFLAGS) -D_UCLIBC_GENERATE_SYSCONF_ARCH -c sysconf.c \ -o sysconf_tester.o gen_sysconf_tester.o: sysconf_tester.o getpagesize_tester.o @ld -r -o gen_sysconf_tester.o sysconf_tester.o getpagesize_tester.o @if [ nm -s gen_sysconf_tester.o | grep -v "U errno" | grep " U " ] ; then \ set -e -x; \ echo warning: missing symbols in gen_sysconf_tester.o so using generic sysconf.c ;\ cp -f sysconf.c sysconf_src.c ;\ else \ set -e -x; \ if ../extra/gcc-uClibc/gcc-uClibc-$(NATIVE_ARCH) -static \ -D_UCLIBC_GENERATE_SYSCONF_MAIN sysconf.c sysconf_tester.o \ -o gen_sysconf && ./gen_sysconf > sysconf_$(NATIVE_ARCH).c ;\ then \ echo successfully built sysconf_$(NATIVE_ARCH).c ;\ else \ echo warning: build of gen_sysconf failed so using generic sysconf.c ;\ cp -f sysconf.c sysconf_$(NATIVE_ARCH).c ;\ fi ;\ fi sysconf_native: gen_sysconf_tester.o sysconf_src.c: sysconf_$(TARGET_ARCH).c cp -f sysconf_$(TARGET_ARCH).c sysconf_src.c $(COBJS): %.o : %.c $(CC) $(CFLAGS) -c $< -o $@ $(STRIPTOOL) -x -R .note -R .comment $*.o $(MOBJ): $(MSRC) $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o $(STRIPTOOL) -x -R .note -R .comment $*.o $(OBJ): Makefile subdirs: $(patsubst %, _dir_%, $(DIRS)) subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS)) $(patsubst %, _dir_%, $(DIRS)) : dummy $(MAKE) -C $(patsubst _dir_%, %, $@) $(patsubst %, _dirclean_%, $(DIRS)) : dummy $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean .PHONY: dummy sysconf_native dummy: clean: rm -f *.[oa] *~ core gen_sysconf sysconf_*.c