139 lines
4.9 KiB
Makefile
139 lines
4.9 KiB
Makefile
# Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License
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# as published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, USA.
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# Get mach-srcdir defined.
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old-in-Makerules := $(in-Makerules)
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in-Makerules :=
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include $(..)sysdeps/mach/Makefile
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in-Makerules := $(old-in-Makerules)
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ifndef hurd-srcdir-computed
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hurd-srcdir-computed := yes
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# If we were configured with `--with-hurd=DIR', then config.make sets
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# hurd-srcdir to DIR. Otherwise guess we are in a big source tree.
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ifndef hurd-srcdir
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hurd-srcdir = ../hurd
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endif
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# hurd-srcdir is now set to the logical directory name. This name might be
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# relative to $(objdir), might be relative to the source directory $(..), or
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# might be absolute. We choose among these possibilities by looking for a
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# canonical file in each of those places (in that order).
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f := hurd/hurd_types.defs # Random file that identifies the Hurd source dir.
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f := $(strip $f)
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hurd-srcdir := $(firstword $(patsubst %/$f,%,$(wildcard $(addsuffix /$f,\
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$(objpfx)$(hurd-srcdir) $(..)$(hurd-srcdir)))) $(hurd-srcdir))
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endif # ! hurd-srcdir-computed
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ifdef in-Makerules
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subdirs := $(filter-out sunrpc,$(subdirs)) # XXX skip broken dirs
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# Look for header files in hurd/ under the top-level library source directory.
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includes += -I$(..)hurd
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# When compiling, use the Hurd header files directly from the sources.
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includes += -I$(hurd-srcdir)
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# When compiling, find cthreads.h in the Hurd cthreads source.
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# This directory has some other (private) header file with
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# conflicting names, so we put it last.
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last-includes += -I$(hurd-srcdir)/libthreads
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# Find the Hurd header files in the Hurd source.
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vpath hurd/%.h $(hurd-srcdir)
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# Do not use any assembly code from sysdeps/unix (and subdirectories).
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# This bypasses all the system call stubs and uses any existing posix or
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# generic C files instead.
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inhibit-sysdep-asm += unix*
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inhibit-unix-syscalls = yes
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# Don't try to generate anything from the installed Unix system and its
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# libraries. That is only of use when building for a Unix system, so as to
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# be compatible with some existing binaries for that system.
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inhibit-glue = yes
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ifeq (,$(filter mach hurd,$(subdir)))
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# Subdirectories other than hurd/ might use the generated Hurd headers.
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# So make sure we get a chance to run in hurd/ to make them before all else.
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# (But we don't want to do this in mach/, because hurd/ needs some things
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# there, and we know mach/ doesn't need anything from hurd/.)
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ifdef objpfx
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hurd-objpfx = $(objpfx)
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else
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hurd-objpfx = $(..)hurd/
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endif
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# These are all the generated headers that <hurd.h> includes.
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before-compile += $(patsubst %,$(hurd-objpfx)hurd/%.h,io fs process)
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$(patsubst %,$(hurd-objpfx)hurd/%.%,io fs process):
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$(MAKE) -C $(..)hurd generated no_deps=t
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endif
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# Generate errnos.h and sys_errlist.c from the section of the manual that
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# lists all the errno codes.
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errno.texinfo = $(..)manual/errno.texi
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hurd = $(..)sysdeps/mach/hurd
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$(hurd)/errnos.h: $(objpfx)stamp-errnos ;
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$(objpfx)stamp-errnos: $(hurd)/errnos.awk $(errno.texinfo) \
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$(mach-srcdir)/mach/message.h \
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$(mach-srcdir)/mach/kern_return.h \
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$(mach-srcdir)/mach/mig_errors.h \
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$(mach-srcdir)/device/device_types.h
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gawk -f $^ > $(hurd)/errnos.h-tmp
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# Make it unwritable so noone will edit it by mistake.
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-chmod a-w $(hurd)/errnos.h-tmp
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./$(..)move-if-change $(hurd)/errnos.h-tmp $(hurd)/errnos.h
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test ! -d CVS || \
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(cd $(hurd); cvs commit -m'Regenerated from $^' errnos.h)
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touch $@
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$(hurd)/errlist.c: $(hurd)/errlist.awk $(errno.texinfo)
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gawk -f $^ > $@-tmp
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# Make it unwritable so noone will edit it by mistake.
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-chmod a-w $@-tmp
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mv -f $@-tmp $@
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test ! -d CVS || cvs commit -m'Regenerated from $^' $@
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# We install the real libc.a as libcrt.a and as libc.a we install a linker
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# script which does -( -lcrt -lmachuser -lhurduser -).
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libc-name = crt
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ifeq (,$(subdir))
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install-others += $(libdir)/libc.a
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$(libdir)/libc.a: $(hurd)/libc-ldscript; $(do-install)
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endif
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# For the shared library, we don't need to do the linker script machination.
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# Instead, we specify the required libraries when building the shared object.
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LDLIBS-c.so = -lmachuser -lhurduser
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sysdep-LDFLAGS += -Wl,-rpath-link=$(..)mach:$(..)hurd
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endif # in-Makerules
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