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) $(top_builddir)lib/$(UCLIBC_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 libc-nomulti-y += $(libc-shared-y)
  43
  44 lib-a-y += $(top_builddir)lib/libc.a $(crt-y)
  45 lib-so-y += libc-y $(top_builddir)lib/$(NONSHARED_LIBNAME) $(crt-y)
  46 objclean-y += libc_clean
  47
  48 $(top_builddir)lib/libc.so: $(libc_OUT)/libc_so.a $(interp)
  49         $(call link.so,$(libc_FULL_NAME),$(MAJOR_VERSION))
  50         $(Q)$(RM) $@
  51         $(Q)echo "/* GNU ld script" > $@
  52         $(Q)echo " * Use the shared library, but some functions are only in" >> $@
  53         $(Q)echo " * the static library, so try that secondarily. */" >> $@
  54 ifeq ($(COMPAT_ATEXIT),y)
  55         $(Q)echo "GROUP ( $(NONSHARED_LIBNAME) $(SHARED_MAJORNAME) $(ASNEEDED) )" >> $@
  56 else
  57         $(Q)echo "GROUP ( $(SHARED_MAJORNAME) $(NONSHARED_LIBNAME) $(ASNEEDED) )" >> $@
  58 endif
  59
  60 $(libc_OUT)/libc_so.a: $(libc-so-y)
  61         $(Q)$(RM) $@
  62         $(do_strip)
  63         $(do_ar)
  64
  65 ifeq ($(DOPIC),y)
  66 $(top_builddir)lib/libc.a: $(libc-a-y:.o=.os)
  67 else
  68 $(top_builddir)lib/libc.a: $(libc-a-y) $(libc_OUT)/libc_so.a
  69 endif
  70         $(Q)$(INSTALL) -d $(dir $@)
  71         $(Q)$(RM) $@
  72 ifeq ($(DOPIC),y)
  73         $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $(filter-out $(libc-so-y),$^)
  74 else
  75         $(do_strip)
  76 endif
  77         $(do_ar)
  78
  79 $(top_builddir)lib/$(NONSHARED_LIBNAME): $(top_builddir)lib/libc.a
  80
  81 libc_clean:
  82         $(RM) $(libc_OUT)/*.{o,os,a}