+# 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
-include $(TOPDIR)/ld.so-1/Config.mk
+LDSO_FULLNAME=ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
-DIRS = $(TARGET_ARCH) libdl
+# reset to initial (disabling predefined CFLAGS)
+ASFLAGS=
+ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y)
+ASFLAGS+=$(call check_as,--noexecstack)
+endif
-CFLAGS += -DNO_UNDERSCORE -DVERBOSE_DLINKER
-CFLAGS += -DUSE_CACHE #-fPIC -D__PIC__ #-funroll-loops
+XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS)
+ifeq ($(DL_FINI_CRT_COMPAT),y)
+XXFLAGS+=-D_DL_FINI_CRT_COMPAT
+endif
-CSRC= boot1.c hash.c readelflib1.c vsprintf.c
+ifeq ($(DODEBUG),y)
+# Not really much point in including debugging info, since gdb
+# can't really debug ldso, since gdb requires help from ldso to
+# debug things....
+XXFLAGS+=-Os -g3
+else
+XXFLAGS+=$(OPTIMIZATION)
+endif
+XXFLAGS+= $(XARCH_CFLAGS) $(CPU_CFLAGS) $(PICFLAG) \
+ -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
+ -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
+
+# BEWARE!!! At least mips* will die if -O0 is used!!!
+XXFLAGS:=$(XXFLAGS:-O0=-O1)
+XXFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
+LDFLAGS=$(CPU_LDFLAGS-y) -e _start -z now -Bsymbolic -shared --warn-common --export-dynamic --sort-common \
+ -z combreloc --discard-locals --discard-all --no-undefined
+ifeq ($(UCLIBC_BUILD_RELRO),y)
+ LDFLAGS+=-z relro
+endif
+
+CSRC= ldso.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
-OBJS=$(COBJS)
+ASRC=$(shell ls $(TARGET_ARCH)/*.S)
+AOBJS=$(patsubst %.S,%.o, $(ASRC))
+OBJS=$(AOBJS) $(COBJS)
-DLINKER = ld-linux-uclibc.so
+ifneq ($(strip $(SUPPORT_LD_DEBUG)),y)
+LDFLAGS+=-s
+endif
-ELF_LDFLAGS=--shared # using GNU ld
+ifeq ($(strip $(SUPPORT_LD_DEBUG)),y)
+XXFLAGS+=-D__SUPPORT_LD_DEBUG__
+endif
-ifneq ($(DIRS),)
-lib realclean clean::
- @set -e; for i in $(DIRS); do \
- echo making $@ in $$i; \
- $(MAKE) -C $$i $@; \
- done;
+ifeq ($(strip $(SUPPORT_LD_DEBUG_EARLY)),y)
+XXFLAGS+=-D__SUPPORT_LD_DEBUG_EARLY__
endif
-lib:: $(OBJS)
- $(LD) -e _dl_boot $(ELF_LDFLAGS) -o $(DLINKER).$(LDSO_VMAJOR) \
- -soname $(DLINKER).$(LDSO_VMAJOR) *.o
+#This stuff will not work with -fomit-frame-pointer
+XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=)
+
+all: $(LDSO_FULLNAME)
+
+$(LDSO_FULLNAME): $(OBJS) $(DLINK_OBJS)
+ $(LD) $(LDFLAGS) -soname=$(UCLIBC_LDSO) \
+ -o $(LDSO_FULLNAME) $(OBJS) $(LIBGCC)
+ $(INSTALL) -d $(TOPDIR)lib
+ $(INSTALL) -m 755 $(LDSO_FULLNAME) $(TOPDIR)lib
+ $(LN) -sf $(LDSO_FULLNAME) $(TOPDIR)lib/$(UCLIBC_LDSO)
$(COBJS): %.o : %.c
- $(CC) -I. -I./$(TARGET_ARCH) $(CFLAGS) -c $< -o $@
+ $(CC) $(XXFLAGS) -I../libdl -c $< -o $@
$(STRIPTOOL) -x -R .note -R .comment $*.o
-realclean::
- $(RM) -f .depend $(DLINKER) core *.o *.a *.s *.i tmp_make foo *~
+$(AOBJS): %.o : %.S
+ $(CC) $(XXFLAGS) $(ASFLAGS) -I../libdl -c $< -o $@
+ $(STRIPTOOL) -x -R .note -R .comment $*.o
-clean::
- $(RM) -f $(DLINKER) core *.o *.a *.s *.i tmp_make foo *~
+ldso.o: $(CSRC) dl-elf.c dl-hash.c dl-startup.c dl-debug.c \
+ $(TARGET_ARCH)/*.h $(TARGET_ARCH)/*.c $(TOPDIR)ldso/include/*.h
+clean:
+ $(RM) $(UCLIBC_LDSO)* $(OBJS) $(LDSO_FULLNAME)* core *.o *.a *.s *.i ldso.h *~
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