| # 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 |
| |
| LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libc.so := -Wl,--dsbt-index=2 |
| LDFLAGS-libc.so := $(LDFLAGS) $(VERSION_SCRIPT) -Wl,-init,$(SYMBOL_PREFIX)__uClibc_init |
| ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y) |
| CFLAGS += -D__USE_STDIO_FUTEXES__ |
| endif |
| 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) | $(crt-y) |
| $(Q)$(INSTALL) -d $(dir $@) |
| $(Q)$(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) |