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- # Makefile for uClibc
- #
- # Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org>
- #
- # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- #
- libc_DIR := $(top_srcdir)libc
- libc_OUT := $(top_builddir)libc
- # Check if the target architecture has a version script for
- # libc, and if so, include it when linking.
- VERSION_SCRIPT := $(wildcard $(libc_DIR)/sysdeps/linux/$(TARGET_ARCH)/libc.map)
- ifneq ($(VERSION_SCRIPT),)
- VERSION_SCRIPT := -Wl,--version-script,$(VERSION_SCRIPT)
- endif
- CFLAGS-libc :=# intentionally left blank
- LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libc.so := -Wl,--dsbt-index=2
- LDFLAGS-libc.so := $(LDFLAGS) $(VERSION_SCRIPT) -Wl,-init,$(SYMBOL_PREFIX)__uClibc_init
- LIBS-libc.so := $(interp) $(ldso) $(top_builddir)lib/$(NONSHARED_LIBNAME)
- # we have SHARED_LIBNAME=libc.so.$(ABI_VERSION) defined in Rules.mak
- libc_FULL_NAME := libuClibc-$(VERSION).so
- # this comes first, so duplicate removal works correctly
- include $(libc_DIR)/sysdeps/Makefile.in
- include $(libc_DIR)/misc/Makefile.in
- include $(libc_DIR)/pwd_grp/Makefile.in
- include $(libc_DIR)/stdio/Makefile.in
- include $(libc_DIR)/string/Makefile.in
- include $(libc_DIR)/termios/Makefile.in
- include $(libc_DIR)/inet/Makefile.in
- include $(libc_DIR)/signal/Makefile.in
- include $(libc_DIR)/stdlib/Makefile.in
- include $(libc_DIR)/unistd/Makefile.in
- ifeq ($(DOPIC),y)
- libc-a-y = $(libc-y:.o=.os) $(libc-static-y:.o=.os)
- else
- libc-a-y = $(libc-y) $(libc-static-y)
- endif
- ifeq ($(DOMULTI),n)
- libc-so-y = $(libc-y:.o=.os) $(libc-shared-y)
- else
- all_sources = $(libc-y:.o=.c)
- all_sources += $(libc-shared-y:.oS=.c)
- libc-multi-y = $(filter-out $(libc-nomulti-y:.o=.c),$(all_sources))
- endif
- lib-a-y += $(top_builddir)lib/libc.a
- lib-gdb-y += $(top_builddir)lib/libc.gdb
- lib-so-y += $(libc.depend)
- objclean-y += CLEAN_libc
- OUTPUT_FORMAT = $(CC) $(CFLAGS) -Wl,--verbose 2>&1 | $(SED) -n '/OUTPUT_FORMAT/,/)/p'
- ifeq ($(DOMULTI),n)
- $(libc.depend): $(libc_OUT)/libc_so.a $(LIBS-libc.so)
- $(call link.so,$(libc_FULL_NAME),$(ABI_VERSION))
- else
- $(libc.depend): $(libc_OUT)/libc.oS $(libc-nomulti-y:.o=.oS) | $(LIBS-libc.so)
- $(call linkm.so,$(libc_FULL_NAME),$(ABI_VERSION))
- endif
- $(Q)$(RM) $@
- $(Q)cat $(top_srcdir)extra/scripts/format.lds > $@.tmp
- $(Q)$(OUTPUT_FORMAT) >> $@.tmp
- ifeq ($(COMPAT_ATEXIT),y)
- $(Q)echo "GROUP ( $(NONSHARED_LIBNAME) $(SHARED_LIBNAME) $(ASNEEDED) )" >> $@.tmp
- else
- $(Q)echo "GROUP ( $(SHARED_LIBNAME) $(NONSHARED_LIBNAME) $(ASNEEDED) )" >> $@.tmp
- endif
- $(Q)mv $@.tmp $@
- $(libc_OUT)/libc_so.a: $(libc-so-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
- $(Q)$(RM) $@
- ifeq ($(DOPIC),y)
- $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $(libc-shared-y)
- else
- $(do_strip)
- endif
- $(do_ar)
- $(libc_OUT)/libc.oS: $(libc-multi-y) | $(top_builddir)lib/libc.a $(top_builddir)lib/$(NONSHARED_LIBNAME)
- $(Q)$(RM) $@
- $(compile-m)
- $(top_builddir)lib/libc.a: $(libc-a-y)
- $(Q)$(RM) $@
- $(do_ar)
- # We use libc_so.a so that we can compile the shared library with special
- # flags - i.e. -mleaf-id-shared-library. The static libc.a needs to be
- # compiled without it.
- $(top_builddir)lib/libc.gdb: $(libc_OUT)/libc_so.a $(LINK_FLAT_CRTS)
- $(call link-flat.so,$(@:.gdb=),$(UCLIBC_SHARED_FLAT_ID))
- CLEAN_libc:
- $(do_rm) $(addprefix $(libc_OUT)/*., o os oS a)
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