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Richard Sandiford writes: add support for init/fini arrays in shared flat libraries
[uclinux-h8/uClibc.git] / libc / Makefile.in
1 # Makefile for uClibc
2 #
3 # Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
4 #
5 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
6 #
7
8 libc_DIR := $(top_srcdir)libc
9 libc_OUT := $(top_builddir)libc
10
11 # Check if the target architecture has a version script for
12 # libc, and if so, include it when linking.
13 VERSION_SCRIPT := $(wildcard $(libc_DIR)/sysdeps/linux/$(TARGET_ARCH)/libc.map)
14 ifneq ($(VERSION_SCRIPT),)
15 VERSION_SCRIPT := --version-script $(VERSION_SCRIPT)
16 endif
17
18 LDFLAGS-libc.so := $(LDFLAGS) $(VERSION_SCRIPT) -init __uClibc_init
19
20 LIBS-libc.so := $(interp) $(ldso) $(top_builddir)lib/$(NONSHARED_LIBNAME)
21
22 # we have SHARED_MAJORNAME=libc.so.$(MAJOR_VERSION) defined in Rules.mak
23 libc_FULL_NAME := libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
24
25 # this comes first, so duplicate removal works correctly
26 include $(libc_DIR)/sysdeps/Makefile.in
27
28 include $(libc_DIR)/misc/Makefile.in
29 include $(libc_DIR)/pwd_grp/Makefile.in
30 include $(libc_DIR)/stdio/Makefile.in
31 include $(libc_DIR)/string/Makefile.in
32 include $(libc_DIR)/termios/Makefile.in
33 include $(libc_DIR)/inet/Makefile.in
34 include $(libc_DIR)/signal/Makefile.in
35 include $(libc_DIR)/stdlib/Makefile.in
36 include $(libc_DIR)/unistd/Makefile.in
37
38 ifeq ($(DOPIC),y)
39 libc-a-y = $(libc-y:.o=.os) $(libc-static-y:.o=.os)
40 else
41 libc-a-y = $(libc-y) $(libc-static-y)
42 endif
43
44 ifeq ($(DOMULTI),n)
45 libc-so-y = $(libc-y:.o=.os) $(libc-shared-y)
46 else
47 all_sources = $(libc-y:.o=.c)
48 all_sources += $(libc-shared-y:.oS=.c)
49 libc-multi-y = $(filter-out $(libc-nomulti-y:.o=.c),$(all_sources))
50 endif
51
52 lib-a-y += $(top_builddir)lib/libc.a
53 lib-gdb-y += $(top_builddir)lib/libc.gdb
54 lib-so-y += $(libc)
55 objclean-y += libc_clean
56
57 ifeq ($(DOMULTI),n)
58 $(libc:.$(MAJOR_VERSION)=): $(libc_OUT)/libc_so.a $(LIBS-libc.so)
59         $(call link.so,$(libc_FULL_NAME),$(MAJOR_VERSION))
60 else
61 $(libc:.$(MAJOR_VERSION)=): $(libc_OUT)/libc.oS $(libc-nomulti-y:.o=.oS) | $(LIBS-libc.so)
62         $(do_strip)
63         $(call linkm.so,$(libc_FULL_NAME),$(MAJOR_VERSION))
64 endif
65         $(Q)$(RM) $@
66         $(Q)cp $(top_srcdir)extra/scripts/format.lds $@
67 ifeq ($(COMPAT_ATEXIT),y)
68         $(Q)echo "GROUP ( $(NONSHARED_LIBNAME) $(SHARED_MAJORNAME) $(ASNEEDED) )" >> $@
69 else
70         $(Q)echo "GROUP ( $(SHARED_MAJORNAME) $(NONSHARED_LIBNAME) $(ASNEEDED) )" >> $@
71 endif
72
73 $(libc_OUT)/libc_so.a: $(libc-so-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
74         $(Q)$(RM) $@
75 ifeq ($(DOPIC),y)
76         $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $(libc-shared-y)
77 else
78         $(do_strip)
79 endif
80         $(do_ar)
81
82 $(libc_OUT)/libc.oS: $(libc-multi-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
83         $(Q)$(RM) $@
84         $(compile-m)
85         #(do_t_strip)
86
87 $(top_builddir)lib/libc.a: $(libc-a-y) | $(crt-y)
88         $(Q)$(INSTALL) -d $(dir $@)
89         $(Q)$(RM) $@
90         $(do_strip)
91         $(do_ar)
92
93 $(top_builddir)lib/libc.gdb: $(top_builddir)lib/libc.a $(LINK_FLAT_CRTS)
94         $(call link-flat.so,$(@:.gdb=),$(SHARED_FLAT_ID))
95
96 libc_clean:
97         $(RM) $(libc_OUT)/*.{o,os,oS,a}