libc/Makefile.in

   1 # Makefile for uClibc
   2 #
   3 # Copyright (C) 2000 by Lineo, inc.
   4 # Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
   5 #
   6 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   7 #
   8
   9 # Check if the target architecture has a version script for
  10 # libc, and if so, include it when linking.
  11 VERSION_SCRIPT := $(wildcard $(libc_DIR)/sysdeps/linux/$(TARGET_ARCH)/libc.map)
  12 ifneq ($(VERSION_SCRIPT),)
  13 VERSION_SCRIPT := --version-script $(VERSION_SCRIPT)
  14 endif
  15
  16 LDFLAGS-libc.so := $(LDFLAGS) $(VERSION_SCRIPT) -init __uClibc_init
  17
  18 LIBS-libc.so := $(interp) $(ldso)
  19
  20 # we have SHARED_MAJORNAME=libc.so.$(MAJOR_VERSION) defined in Rules.mak
  21 libc_FULL_NAME := libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  22
  23 libc_DIR := $(top_srcdir)libc
  24 libc_OUT := $(top_builddir)libc
  25
  26 # this comes first, so duplicate removal works correctly
  27 include $(libc_DIR)/sysdeps/Makefile.in
  28
  29 include $(libc_DIR)/misc/Makefile.in
  30 include $(libc_DIR)/pwd_grp/Makefile.in
  31 include $(libc_DIR)/stdio/Makefile.in
  32 include $(libc_DIR)/string/Makefile.in
  33 include $(libc_DIR)/termios/Makefile.in
  34 include $(libc_DIR)/inet/Makefile.in
  35 include $(libc_DIR)/signal/Makefile.in
  36 include $(libc_DIR)/stdlib/Makefile.in
  37 include $(libc_DIR)/unistd/Makefile.in
  38
  39 libc-a-y += $(libc-static-y)
  40 libc-so-y += $(libc-shared-y)
  41
  42 ifeq ($(DOPIC),y)
  43 libc-a-y := $(libc-a-y:.o=.os)
  44 endif
  45
  46 libc-nomulti-y += $(libc-shared-y)
  47
  48 lib-a-y += $(top_builddir)lib/libc.a
  49 lib-so-y += $(libc)
  50 objclean-y += libc_clean
  51
  52 $(libc:.$(MAJOR_VERSION)=): $(libc_OUT)/libc_so.a $(LIBS-libc.so)
  53         $(call link.so,$(libc_FULL_NAME),$(MAJOR_VERSION))
  54         $(Q)$(RM) $@
  55         $(Q)echo "/* GNU ld script" > $@
  56         $(Q)echo " * Use the shared library, but some functions are only in" >> $@
  57         $(Q)echo " * the static library, so try that secondarily. */" >> $@
  58 ifeq ($(COMPAT_ATEXIT),y)
  59         $(Q)echo "GROUP ( $(NONSHARED_LIBNAME) $(SHARED_MAJORNAME) $(ASNEEDED) )" >> $@
  60 else
  61         $(Q)echo "GROUP ( $(SHARED_MAJORNAME) $(NONSHARED_LIBNAME) $(ASNEEDED) )" >> $@
  62 endif
  63
  64 $(libc_OUT)/libc_so.a: $(libc-so-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
  65         $(Q)$(RM) $@
  66 ifeq ($(DOPIC),y)
  67         $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $(libc-shared-y)
  68 else
  69         $(do_strip)
  70 endif
  71         $(do_ar)
  72
  73 $(top_builddir)lib/libc.a: $(libc-a-y) | $(crt-y)
  74         $(Q)$(INSTALL) -d $(dir $@)
  75         $(Q)$(RM) $@
  76         $(do_strip)
  77         $(do_ar)
  78
  79 libc_clean:
  80         $(RM) $(libc_OUT)/*.{o,os,a}