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- # Makefile for uClibc
- #
- # Copyright (C) 2000-2004 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
- TOPDIR=../../
- include $(TOPDIR)Rules.mak
- XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS)
- ifeq ($(DODEBUG),y)
- # Not really much point in including debugging info, since gdb
- # can't really debug ldso, since gdb requires help from ldso to
- # debug things....
- XXFLAGS+=-Os -g
- else
- XXFLAGS+=$(OPTIMIZATION)
- endif
- XXFLAGS+= -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" $(XARCH_CFLAGS) $(CPU_CFLAGS) $(PICFLAG) \
- -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
- -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
- XXFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
- ifeq ($(strip $(SUPPORT_LD_DEBUG)),y)
- XXFLAGS+=-D__SUPPORT_LD_DEBUG__
- endif
- ifeq ($(strip $(SUPPORT_LD_DEBUG_EARLY)),y)
- XXFLAGS+=-D__SUPPORT_LD_DEBUG_EARLY__
- endif
- #This stuff will not work with -fomit-frame-pointer
- XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=)
- # BEWARE!!! At least mips* will die if -O0 is used!!!
- ifeq ($(strip $(TARGET_ARCH)),mips)
- XXFLAGS := $(XXFLAGS:-O0=-O1)
- endif
- ASFLAGS=$(XXFLAGS)
- ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y)
- ASFLAGS+=$(call check_as,--noexecstack)
- endif
- LDFLAGS=$(CPU_LDFLAGS-y) -e _start -z now -Bsymbolic -shared --warn-common --export-dynamic --sort-common \
- -z combreloc --discard-locals --discard-all --no-undefined
- ifeq ($(UCLIBC_BUILD_RELRO),y)
- LDFLAGS+=-z relro
- endif
- ifneq ($(strip $(SUPPORT_LD_DEBUG)),y)
- LDFLAGS+=-s
- endif
- LIB_NAME=ld-uClibc
- SO_LIB_NAME=$(TOPDIR)lib/$(UCLIBC_LDSO)
- SO_FULL_NAME=$(LIB_NAME)-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
- CSRC= ldso.c
- COBJS=$(patsubst %.c,%.o, $(CSRC))
- ASRC=$(wildcard $(TARGET_ARCH)/*.S)
- AOBJS=$(patsubst %.S,%.o, $(ASRC))
- OBJS=$(AOBJS) $(COBJS)
- all: $(SO_LIB_NAME)
- $(SO_LIB_NAME): $(OBJS)
- $(INSTALL) -d $(TOPDIR)lib
- $(RM) $(TOPDIR)lib/$(SO_FULL_NAME) $(SO_LIB_NAME)
- $(LD) $(LDFLAGS) -soname=$(UCLIBC_LDSO) \
- -o $(TOPDIR)lib/$(SO_FULL_NAME) $(OBJS) $(LIBGCC)
- $(LN) -sf $(SO_FULL_NAME) $(SO_LIB_NAME)
- $(COBJS): %.o : %.c
- $(CC) $(XXFLAGS) -c $< -o $@
- $(STRIPTOOL) -x -R .note -R .comment $*.o
- $(AOBJS): %.o : %.S
- $(CC) $(ASFLAGS) -c $< -o $@
- $(STRIPTOOL) -x -R .note -R .comment $*.o
- clean:
- $(RM) *.o */*.o *~ core
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