sysdeps/mach/hurd/Makefile

   1 # Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Library General Public License
   6 # as published by the Free Software Foundation; either version 2 of
   7 # the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Library General Public License for more details.
  13
  14 # You should have received a copy of the GNU Library General Public
  15 # License along with the GNU C Library; see the file COPYING.LIB.  If
  16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 # Cambridge, MA 02139, USA.
  18
  19 ifdef in-Makerules
  20
  21 subdirs := $(filter-out sunrpc,$(subdirs)) # XXX skip broken dirs
  22
  23 # Look for header files in hurd/ under the top-level library source directory.
  24 includes += -I$(..)hurd
  25
  26 # Do not use any assembly code from sysdeps/unix (and subdirectories).
  27 # This bypasses all the system call stubs and uses any existing posix or
  28 # generic C files instead.
  29 inhibit-sysdep-asm += unix*
  30 inhibit-unix-syscalls = yes
  31
  32 # Don't try to generate anything from the installed Unix system and its
  33 # libraries.  That is only of use when building for a Unix system, so as to
  34 # be compatible with some existing binaries for that system.
  35 inhibit-glue = yes
  36
  37
  38 ifeq (,$(filter mach hurd,$(subdir)))
  39 # Subdirectories other than hurd/ might use the generated Hurd headers.
  40 # So make sure we get a chance to run in hurd/ to make them before all else.
  41 # (But we don't want to do this in mach/, because hurd/ needs some things
  42 # there, and we know mach/ doesn't need anything from hurd/.)
  43
  44 hurd-objpfx = $(common-objpfx)hurd/
  45
  46 # These are all the generated headers that <hurd.h> includes.
  47 before-compile += $(patsubst %,$(hurd-objpfx)hurd/%.h,io fs process)
  48 $(patsubst %,$(hurd-objpfx)hurd/%.%,io fs process):
  49         $(MAKE) -C $(..)hurd generated no_deps=t
  50 endif
  51 \f
  52 # Generate errnos.h from the section of the manual that lists all the errno
  53 # codes.
  54
  55 errno.texinfo = $(..)manual/errno.texi
  56
  57 hurd = $(..)sysdeps/mach/hurd
  58
  59 define mach-errno-h
  60 ($(foreach h,mach/message.h \
  61              mach/kern_return.h \
  62              mach/mig_errors.h \
  63              device/device_types.h,\
  64  echo '#include <$h>';\
  65  ))
  66 endef
  67
  68 # We use the compiler to generate a list of absolute file names for
  69 # the headers we want to search for Mach error codes, listed above (and
  70 # incidentally, all other headers those include).
  71 -include $(common-objpfx)errnos.d
  72 $(common-objpfx)errnos.d: $(mach-errnos-deps)
  73         $(mach-errno-h) | \
  74         $(CC) $(CPPFLAGS) -M -x c - | \
  75         sed $(sed-remove-objpfx) -e 's,- *:,mach-errnos-deps :=,' \
  76             -e 's,\.\./,$(..),g' > $@t
  77         mv -f $@t $@
  78
  79 $(hurd)/errnos.h: $(common-objpfx)stamp-errnos ;
  80 $(common-objpfx)stamp-errnos: $(hurd)/errnos.awk $(errno.texinfo) \
  81                               $(mach-errnos-deps)
  82         gawk -f $^ > $(hurd)/errnos.h-tmp
  83 # Make it unwritable so noone will edit it by mistake.
  84         -chmod a-w $(hurd)/errnos.h-tmp
  85         ./$(..)move-if-change $(hurd)/errnos.h-tmp $(hurd)/errnos.h
  86         test ! -d CVS || \
  87           (cd $(hurd); cvs commit -m'Regenerated from $^' errnos.h)
  88         touch $@
  89 generated += errnos.d stamp-errnos
  90 \f
  91 # We install the real libc.a as libcrt.a and as libc.a we install a linker
  92 # script which does -( -lcrt -lmachuser -lhurduser -).
  93
  94 libc-name = crt
  95
  96 ifeq (,$(subdir))
  97 install-others += $(libdir)/libc.a
  98 $(libdir)/libc.a: $(hurd)/libc-ldscript; $(do-install)
  99 endif
 100
 101 # For the shared library, we don't need to do the linker script machination.
 102 # Instead, we specify the required libraries when building the shared object.
 103 rpcuserlibs := $(common-objpfx)mach/libmachuser.so \
 104                $(common-objpfx)hurd/libhurduser.so
 105 $(common-objpfx)libc.so: $(rpcuserlibs)
 106 rpath-link += $(common-objpfx)mach:$(common-objpfx)hurd
 107
 108 # The RPC stubs from these libraries are needed in building the dynamic
 109 # linker, too.  It must be self-contained, so we link the needed PIC
 110 # objects directly into the shared object.
 111 ifeq (elf,$(subdir))
 112 $(objpfx)librtld.so: $(rpcuserlibs:.so=_pic.a)
 113 endif
 114 \f
 115
 116 endif   # in-Makerules