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
25 XXFLAGS=$(XWARNINGS) $(OPTIMIZATION) $(XARCH_CFLAGS) $(CPU_CFLAGS) $(PICFLAG) \
26 -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
27 -fno-builtin -nostdinc -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
29 ifeq ($(SUPPORT_LD_DEBUG),y)
30 XXFLAGS=$(XWARNINGS) $(XARCH_CFLAGS) $(CPU_CFLAGS) $(PICFLAG) \
31 -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
32 -fno-builtin -nostdinc -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
33 # Not really much point in including debugging info, since gdb
34 # can't really debug ldso, since gdb requires help from ldso to
39 # BEWARE!!! At least mips* will die if -O0 is used!!!
40 XXFLAGS :=$(XXFLAGS:-O0=-O1)
42 XXFLAGS+=$(shell $(CC) -print-search-dirs | sed -ne "s/install: *\(.*\)/-I\1include/gp")
43 LDFLAGS=$(CPU_LDFLAGS-y) -shared --warn-common --export-dynamic --sort-common \
44 -z combreloc --discard-locals --discard-all --no-undefined
46 CSRC= ldso.c dl-startup.c
47 COBJS=$(patsubst %.c,%.o, $(CSRC))
48 ASRC=$(shell ls $(TARGET_ARCH)/*.S)
49 AOBJS=$(patsubst %.S,%.o, $(ASRC))
50 OBJS=$(AOBJS) $(COBJS)
52 ifneq ($(strip $(SUPPORT_LD_DEBUG)),y)
56 ifeq ($(strip $(SUPPORT_LD_DEBUG)),y)
57 XXFLAGS+=-D__SUPPORT_LD_DEBUG__
60 ifeq ($(strip $(SUPPORT_LD_DEBUG_EARLY)),y)
61 XXFLAGS+=-D__SUPPORT_LD_DEBUG_EARLY__
64 ifeq ($(strip $(FORCE_SHAREABLE_TEXT_SEGMENTS)),y)
65 XXFLAGS+=-DFORCE_SHAREABLE_TEXT_SEGMENTS
68 #This stuff will not work with -fomit-frame-pointer
69 XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=)
73 lib:: dl-progname.h $(OBJS) $(DLINK_OBJS)
74 $(LD) $(LDFLAGS) -e _dl_boot -soname=$(UCLIBC_LDSO) \
75 -o $(LDSO_FULLNAME) $(OBJS) $(LIBGCC);
76 $(INSTALL) -d $(TOPDIR)lib
77 $(INSTALL) -m 755 $(LDSO_FULLNAME) $(TOPDIR)lib
78 $(LN) -sf $(LDSO_FULLNAME) $(TOPDIR)lib/$(UCLIBC_LDSO)
80 dl-progname.h: Makefile
81 echo "const char *_dl_progname=\""$(UCLIBC_LDSO)"\";" > dl-progname.h
82 echo "#include \"$(TARGET_ARCH)/elfinterp.c\"" >> dl-progname.h
86 $(CC) $(XXFLAGS) -I../libdl -c $< -o $@
87 $(STRIPTOOL) -x -R .note -R .comment $*.o
90 $(CC) $(XXFLAGS) -I../libdl -c $< -o $@
91 $(STRIPTOOL) -x -R .note -R .comment $*.o
96 $(RM) $(UCLIBC_LDSO)* $(OBJS) $(LDSO_FULLNAME)* core *.o *.a *.s *.i dl-progname.h ldso.h *~