libc/Makefile.in

   1 # Makefile for uClibc
   2 #
   3 # Copyright (C) 2000 by Lineo, inc.
   4 # Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
   5 #
   6 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   7 #
   8
   9 libc_DIR := $(top_srcdir)libc
  10 libc_OUT := $(top_builddir)libc
  11
  12 # Check if the target architecture has a version script for
  13 # libc, and if so, include it when linking.
  14 VERSION_SCRIPT := $(wildcard $(libc_DIR)/sysdeps/linux/$(TARGET_ARCH)/libc.map)
  15 ifneq ($(VERSION_SCRIPT),)
  16 VERSION_SCRIPT := --version-script $(VERSION_SCRIPT)
  17 endif
  18
  19 LDFLAGS-libc.so := $(LDFLAGS) $(VERSION_SCRIPT) -init __uClibc_init
  20
  21 LIBS-libc.so := $(interp) $(ldso) $(top_builddir)lib/$(NONSHARED_LIBNAME)
  22
  23 # we have SHARED_MAJORNAME=libc.so.$(MAJOR_VERSION) defined in Rules.mak
  24 libc_FULL_NAME := libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  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 $(libc_DIR)/unistd/Makefile.in
  38
  39 ifeq ($(DOPIC),y)
  40 libc-a-y = $(libc-y:.o=.os) $(libc-static-y:.o=.os)
  41 else
  42 libc-a-y = $(libc-y) $(libc-static-y)
  43 endif
  44
  45 ifeq ($(DOMULTI),n)
  46 libc-so-y = $(libc-y:.o=.os) $(libc-shared-y)
  47 else
  48 all_sources = $(libc-y:.o=.c)
  49 all_sources += $(libc-shared-y:.oS=.c)
  50 libc-multi-y = $(filter-out $(libc-nomulti-y:.o=.c),$(all_sources))
  51 endif
  52
  53 lib-a-y += $(top_builddir)lib/libc.a
  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)echo "/* GNU ld script" > $@
  67         $(Q)echo " * Use the shared library, but some functions are only in" >> $@
  68         $(Q)echo " * the static library, so try that secondarily. */" >> $@
  69 ifeq ($(COMPAT_ATEXIT),y)
  70         $(Q)echo "GROUP ( $(NONSHARED_LIBNAME) $(SHARED_MAJORNAME) $(ASNEEDED) )" >> $@
  71 else
  72         $(Q)echo "GROUP ( $(SHARED_MAJORNAME) $(NONSHARED_LIBNAME) $(ASNEEDED) )" >> $@
  73 endif
  74
  75 $(libc_OUT)/libc_so.a: $(libc-so-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
  76         $(Q)$(RM) $@
  77 ifeq ($(DOPIC),y)
  78         $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $(libc-shared-y)
  79 else
  80         $(do_strip)
  81 endif
  82         $(do_ar)
  83
  84 $(libc_OUT)/libc.oS: $(libc-multi-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
  85         $(Q)$(RM) $@
  86         $(compile-m)
  87         #(do_t_strip)
  88
  89 $(top_builddir)lib/libc.a: $(libc-a-y) | $(crt-y)
  90         $(Q)$(INSTALL) -d $(dir $@)
  91         $(Q)$(RM) $@
  92         $(do_strip)
  93         $(do_ar)
  94
  95 libc_clean:
  96         $(RM) $(libc_OUT)/*.{o,os,oS,a}