3 # Copyright (C) 2000-2004 Erik Andersen <andersen@uclibc.org>
5 # This program is free software; you can redistribute it and/or modify it under
6 # the terms of the GNU Library General Public License as published by the Free
7 # Software Foundation; either version 2 of the License, or (at your option) any
10 # This program is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
15 # You should have received a copy of the GNU Library General Public License
16 # along with this program; if not, write to the Free Software Foundation, Inc.,
17 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 include $(TOPDIR)Rules.mak
22 LDSO_FULLNAME=ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
24 # reset to initial (disabling predefined CFLAGS)
26 ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y)
27 ASFLAGS+=$(check_as_noexecstack)
30 XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS)
32 # Not really much point in including debugging info, since gdb
33 # can't really debug ldso, since gdb requires help from ldso to
37 XXFLAGS+=$(OPTIMIZATION)
39 XXFLAGS+= $(XARCH_CFLAGS) $(CPU_CFLAGS) $(PICFLAG) \
40 -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
41 -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
43 # BEWARE!!! At least mips* will die if -O0 is used!!!
44 XXFLAGS:=$(XXFLAGS:-O0=-O1)
45 XXFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
46 LDFLAGS=$(CPU_LDFLAGS-y) -e _start -z now -Bsymbolic -shared --warn-common --export-dynamic --sort-common \
47 -z combreloc --discard-locals --discard-all --no-undefined
48 ifeq ($(UCLIBC_BUILD_RELRO),y)
53 COBJS=$(patsubst %.c,%.o, $(CSRC))
54 ASRC=$(shell ls $(TARGET_ARCH)/*.S)
55 AOBJS=$(patsubst %.S,%.o, $(ASRC))
56 OBJS=$(AOBJS) $(COBJS)
58 ifneq ($(strip $(SUPPORT_LD_DEBUG)),y)
62 ifeq ($(strip $(SUPPORT_LD_DEBUG)),y)
63 XXFLAGS+=-D__SUPPORT_LD_DEBUG__
66 ifeq ($(strip $(SUPPORT_LD_DEBUG_EARLY)),y)
67 XXFLAGS+=-D__SUPPORT_LD_DEBUG_EARLY__
70 #This stuff will not work with -fomit-frame-pointer
71 XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=)
75 $(LDSO_FULLNAME): $(OBJS) $(DLINK_OBJS)
76 $(LD) $(LDFLAGS) -soname=$(UCLIBC_LDSO) \
77 -o $(LDSO_FULLNAME) $(OBJS) $(LIBGCC)
78 $(INSTALL) -d $(TOPDIR)lib
79 $(INSTALL) -m 755 $(LDSO_FULLNAME) $(TOPDIR)lib
80 $(LN) -sf $(LDSO_FULLNAME) $(TOPDIR)lib/$(UCLIBC_LDSO)
83 $(CC) $(XXFLAGS) -I../libdl -c $< -o $@
84 $(STRIPTOOL) -x -R .note -R .comment $*.o
87 $(CC) $(XXFLAGS) $(ASFLAGS) -I../libdl -c $< -o $@
88 $(STRIPTOOL) -x -R .note -R .comment $*.o
90 ldso.o: $(CSRC) dl-elf.c dl-hash.c dl-startup.c
93 $(RM) $(UCLIBC_LDSO)* $(OBJS) $(LDSO_FULLNAME)* core *.o *.a *.s *.i ldso.h *~