makefile.glibc

linux交叉编译环境个软件和内核的补丁。

#######################################################################
#
#
# (C) Copyright 1999
# DENX Software Engineering
# Wolfgang Denk, [e-mail]
# All rights reserved.
#
# LinuxPPC Cross Development Kit:
#
#	Tools and configuration files to build the cross compiler and
#	binutils, standard libraries and the most important packages
#
# => glibc-2.x Makefile
#
# $Id: Makefile.glibc,v 1.1 2000/01/11 21:04:48 wd Exp $
#
#######################################################################

NAME	= glibc

ARCH_GLIBC   =	$(ARCH_DIR)/$(NAME)-$(GLIBC_VERS).$(GLIBC_SFX)
ARCH_CRYPT   =	$(ARCH_DIR)/glibc-crypt-$(GLIBC_CRYPT_VERS).$(GLIBC_CRYPT_SFX)
ARCH_THREADS =	$(ARCH_DIR)/glibc-linuxthreads-$(GLIBC_LTHREADS_VERS).$(GLIBC_LTHREADS_SFX)
WORK_DIR= $(NAME)-$(GLIBC_VERS)

all:	install

untar:
	rm -fr $(SRC_DIR)/$(WORK_DIR)
	[ -r $(ARCH_GLIBC) ] && [ -r $(ARCH_CRYPT) ] && [ -r $(ARCH_THREADS) ]
	set -e ; cd $(SRC_DIR) ; gunzip <$(ARCH_GLIBC) | gtar -xf -
	cd $(SRC_DIR)/$(WORK_DIR) ; \
	    gunzip <$(ARCH_CRYPT)   | gtar -xf - ; \
	    gunzip <$(ARCH_THREADS) | gtar -xf -

FPUFILES =	Versions bits/fenv.h bits/mathdef.h bits/mathinline.h \
		e_sqrt.c e_sqrtf.c fclrexcpt.c fe_nomask.c fegetenv.c \
		fegetround.c feholdexcpt.c fenv_const.c fenv_libc.h \
		fesetenv.c fesetround.c feupdateenv.c fgetexcptflg.c \
		fpu_control.h fraiseexcpt.c fsetexcptflg.c ftestexcept.c \
		s_copysign.S s_copysignf.S s_fabs.S s_fabsf.S s_fmax.S \
		s_fmaxf.S s_fmin.S s_fminf.S s_isnan.c s_isnanf.S \
		s_lrint.c s_lrintf.S s_rint.c s_rintf.c t_sqrt.c \
		w_sqrt.c w_sqrtf.c

FPUDISTFILES =	fenv_const.c fenv_libc.h fe_nomask.c t_sqrt.c


patch:	untar
	set -e ; \
	cd $(SRC_DIR)/$(WORK_DIR)/sysdeps/powerpc ; \
	patch -p0 -b -z.ORIG <$(PATCH_DIR)/glibc-$(GLIBC_VERS)/misc ; \
	mkdir -p fpu/bits ; \
	for a in $(FPUFILES) ; do \
	  mv "$$a" "fpu/$$a" && echo "Moved $$a -> fpu/$$a" ; \
	done ; \
	fail= ; \
	for a in $(FPUDISTFILES) ; do \
	  echo "$$a" >> fpu/Dist || fail=1 ; \
	done ; test "$$fail" || echo "Created fpu/Dist" ; \
	echo -e '-ifeq ($(subdir),math)\n\
-libm-support += fenv_const fe_nomask t_sqrt\n\
-endif' >fpu/Makefile && echo "Created fpu/Makefile" ; \
	f=setjmp.S ; cp $$f $$f.ORIG ; sed -e '/stfd/d' $$f.ORIG >$$f ; \
	f=__longjmp.S ; cp $$f $$f.ORIG ; sed -e '/lfd/d' $$f.ORIG >$$f ; \
	rm -f memset.S

conf:	patch
	rm -fr $(OBJ_DIR)/$(WORK_DIR)
	mkdir -p $(OBJ_DIR)/$(WORK_DIR)
	set -e ; \
	cd $(OBJ_DIR)/$(WORK_DIR) ; \
	export AR=$(TARG_ARCH)-linux-ar ; \
	export CC=$(TARG_ARCH)-linux-gcc ; \
	export CFLAGS="-msoft-float -D_SOFT_FLOAT -mcpu=860" ; \
	export RANLIB=$(TARG_ARCH)-linux-ranlib ; \
	export PATH="$$PATH:$(PREFIX_DIR)/bin" ; \
	$(SRC_DIR)/$(WORK_DIR)/configure \
		--host=$(TARG_ARCH)-linux \
		--prefix=$(CDK_DIR) \
		--with-headers=$(KERNEL_DIR)/linux-$(LINUX_VERS)/include \
		--enable-add-ons=crypt,linuxthreads \
		--without-fp

build:	conf
	cd $(OBJ_DIR)/$(WORK_DIR) ; gmake

install: build
	cd $(OBJ_DIR)/$(WORK_DIR) ; gmake install

clean:
	rm -fr $(OBJ_DIR)/$(WORK_DIR)

clobber:	clean
	rm -fr $(SRC_DIR)/$(WORK_DIR)