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- # Makefile for uClibc
- #
- # Copyright (C) 2000 by Lineo, inc.
- # Copyright (C) 2000,2001 Erik Andersen <andersen@uclibc.org>
- #
- # This program is free software; you can redistribute it and/or modify it under
- # the terms of the GNU Library General Public License as published by the Free
- # Software Foundation; either version 2 of the License, or (at your option) any
- # later version.
- #
- # This program is distributed in the hope that it will be useful, but WITHOUT
- # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
- # details.
- #
- # You should have received a copy of the GNU Library General Public License
- # along with this program; if not, write to the Free Software Foundation, Inc.,
- # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- #
- # Derived in part from the Linux-8086 C library, the GNU C Library, and several
- # other sundry sources. Files within this library are copyright by their
- # respective copyright holders.
- #--------------------------------------------------------
- #
- #There are a number of configurable options in "Config"
- #
- #--------------------------------------------------------
- TOPDIR=../
- include $(TOPDIR)Rules.mak
- DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd
- # Check if the target architecture has a version script for
- # libc, and if so, include it when linking.
- VERSION_SCRIPT:=${shell if [ -f sysdeps/linux/$(TARGET_ARCH)/libc.map ] ; then \
- echo "--version-script sysdeps/linux/$(TARGET_ARCH)/libc.map"; fi}
- LIBNAME_TARGET:=$(TOPDIR)lib/$(LIBNAME)
- all: halfclean $(LIBNAME_TARGET)
- # Some functions are duplicated across subdirs, and when you pass $(AR)
- # the same object file more than once, it'll add it to the archive multiple
- # times (boo!). So what we do here is:
- # - import all the objects (thus we may have dupes)
- # - delete all the dupes
- # - re-import certain objects based upon preference
- # - the sysdeps dir should override all other symbols for example
- # We need to use shell globbing with obj.* because if we use make's wildcard,
- # the wildcard will be evaluated when `make` is run instead of when the make
- # target is evaluated. That means if you run `rm obj.* ; make`, the wildcard
- # will evaluate to no files :(.
- $(LIBNAME) shared_$(LIBNAME) ar-target: subdirs
- $(RM) $(LIBNAME) shared_$(LIBNAME)
- objs=`cat obj.*` ; \
- $(AR) $(ARFLAGS) $(LIBNAME) $$objs && \
- $(AR) dN 2 $(LIBNAME) $$objs && \
- $(AR) dN 2 $(LIBNAME) $$objs
- @for objfile in obj.signal \
- obj.string.generic obj.string.$(TARGET_ARCH) obj.string \
- obj.sysdeps.common obj.sysdeps.$(TARGET_ARCH) ; do \
- if [ -e $$objfile ] ; then \
- if [ "$(MAKE_IS_SILENT)" = "n" ] ; then \
- echo $(AR) $(ARFLAGS) $(LIBNAME) $$objfile ; \
- fi ; \
- objs=`cat $$objfile` ; \
- fi ; \
- $(AR) $(ARFLAGS) $(LIBNAME) $$objs || exit 1 ; \
- done
- cp $(LIBNAME) shared_$(LIBNAME)
- $(AR) $(ARFLAGS) $(LIBNAME) misc/internals/static.o
- $(RANLIB) $(LIBNAME)
- $(LIBNAME_TARGET): $(LIBNAME)
- $(INSTALL) -d $(TOPDIR)lib
- $(RM) $(TOPDIR)lib/$(LIBNAME)
- $(INSTALL) -m 644 $(LIBNAME) $(TOPDIR)lib
- shared: shared_$(LIBNAME)
- $(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) -o $(SHARED_FULLNAME) \
- --whole-archive shared_$(LIBNAME) \
- $(TOPDIR)libc/misc/internals/interp.o --no-whole-archive \
- -init __uClibc_init $(TOPDIR)lib/$(UCLIBC_LDSO) $(LIBGCC) $(LDADD_LIBFLOAT)
- $(INSTALL) -d $(TOPDIR)lib
- $(RM) $(TOPDIR)lib/$(SHARED_FULLNAME)
- $(INSTALL) -m 644 $(SHARED_FULLNAME) $(TOPDIR)lib
- $(LN) -sf $(SHARED_FULLNAME) $(TOPDIR)lib/$(SHARED_MAJORNAME)
- $(AR) $(ARFLAGS) $(TOPDIR)lib/$(NONSHARED_LIBNAME) `cat nonshared_obj.*`
- $(RANLIB) $(TOPDIR)lib/$(NONSHARED_LIBNAME)
- echo "/* GNU ld script" > $(TOPDIR)lib/libc.so
- echo " * Use the shared library, but some functions are only in" >> $(TOPDIR)lib/libc.so
- echo " * the static library, so try that secondarily. */" >> $(TOPDIR)lib/libc.so
- #OUT_FORMAT:=$(shell $(LD) --verbose | grep OUTPUT_FORMAT | awk -F '"' '{print $2}')
- #echo "OUTPUT_FORMAT($(OUT_FORMAT))" >> $(TOPDIR)lib/libc.so
- ifeq ($(strip $(COMPAT_ATEXIT)),y)
- echo "GROUP ( $(TOPDIR)lib/$(NONSHARED_LIBNAME) $(TOPDIR)lib/$(SHARED_MAJORNAME) )" >> $(TOPDIR)lib/libc.so
- else
- echo "GROUP ( $(TOPDIR)lib/$(SHARED_MAJORNAME) $(TOPDIR)lib/$(NONSHARED_LIBNAME) )" >> $(TOPDIR)lib/libc.so
- endif
- halfclean:
- $(RM) $(LIBNAME) shared_$(LIBNAME) $(SHARED_FULLNAME)
- tags:
- ctags -R
- clean: subdirs_clean halfclean
- $(RM) obj.* nonshared_obj.*
- subdirs: $(patsubst %, _dir_%, $(DIRS))
- subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS))
- $(patsubst %, _dir_%, $(DIRS)) : dummy
- $(MAKE) -C $(patsubst _dir_%, %, $@)
- $(patsubst %, _dirclean_%, $(DIRS)) : dummy
- $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
- .PHONY: dummy subdirs
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