3 # Copyright (C) 2000 by Lineo, inc.
4 # Copyright (C) 2000-2002 Erik Andersen <andersen@uclibc.org>
6 # This program is free software; you can redistribute it and/or modify it under
7 # the terms of the GNU Library General Public License as published by the Free
8 # Software Foundation; either version 2 of the License, or (at your option) any
11 # This program is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
16 # You should have received a copy of the GNU Library General Public License
17 # along with this program; if not, write to the Free Software Foundation, Inc.,
18 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 # Derived in part from the Linux-8086 C library, the GNU C Library, and several
21 # other sundry sources. Files within this library are copyright by their
22 # respective copyright holders.
27 include $(TOPDIR)Rules.mak
28 LDSO_FULLNAME=ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
30 # Enable this to enable all the code needed to support traditional ldd
31 # (i.e. where the shared library loader does all the heavy lifting)
32 # Since this currently only saves about 300 bytes, I'm going to leave
36 # Enable this to enable debugging output from ld.so
38 #XXFLAGS+= -DDL_DEBUG_SYMBOLS
39 #Enable this to never actually fixup symbols so you can watch each call...
40 #XXFLAGS+= -DDL_NEVER_FIXUP_SYMBOLS
42 XXFLAGS+=-DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" \
43 -DUCLIBC_DEVEL_PREFIX=\"$(DEVEL_PREFIX)\" \
44 -DUCLIBC_BUILD_DIR=\"$(shell cd $(TOPDIR) && pwd)\"
45 LDFLAGS=-shared --warn-common --export-dynamic --sort-common \
46 -z combreloc --discard-locals --discard-all
47 CSRC= ldso.c #hash.c readelflib1.c $(TARGET_ARCH)/elfinterp.c
48 COBJS=$(patsubst %.c,%.o, $(CSRC))
49 ASRC=$(shell ls $(TARGET_ARCH)/*.S)
50 AOBJS=$(patsubst %.S,%.o, $(ASRC))
51 OBJS=$(AOBJS) $(COBJS)
53 ifneq ($(strip $(DODEBUG)),true)
59 lib:: ldso.h $(OBJS) $(DLINK_OBJS)
60 $(LD) $(LDFLAGS) -e _dl_boot -soname=$(UCLIBC_LDSO) \
61 -o $(LDSO_FULLNAME) $(OBJS);
62 install -d $(TOPDIR)lib
63 install -m 755 $(LDSO_FULLNAME) $(TOPDIR)lib
64 (cd $(TOPDIR)lib && ln -sf $(LDSO_FULLNAME) $(UCLIBC_LDSO))
67 echo "const char *_dl_progname=\""$(UCLIBC_LDSO)"\";" > ldso.h
68 echo "#include \"$(TARGET_ARCH)/elfinterp.c\"" >> ldso.h
72 $(CC) $(CFLAGS) $(XXFLAGS) -I. -I./$(TARGET_ARCH) -I../libdl -c $< -o $@
73 $(STRIPTOOL) -x -R .note -R .comment $*.o
76 $(CC) $(CFLAGS) -I. -I./$(TARGET_ARCH) -I../libdl -c $< -o $@
77 $(STRIPTOOL) -x -R .note -R .comment $*.o
79 ldso.o: ldso.c hash.c readelflib1.c $(TARGET_ARCH)/elfinterp.c \
80 ld_hash.h ld_string.h ld_syscall.h ldso.h linuxelf.h
83 $(RM) -f $(UCLIBC_LDSO)* $(OBJS) $(LDSO_FULLNAME)* core *.o *.a *.s *.i ldso.h *~