sysdeps/mach/Makefile

   1 # Copyright (C) 1993-2017 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 Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of 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 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 ifdef in-Makerules
  19
  20 # Look for header files in mach/ under the top-level library source directory.
  21 # Look for generated header files where they get created.
  22 includes += -I$(..)mach -I$(common-objpfx)mach/
  23
  24 ifneq (mach,$(subdir))
  25 # Subdirectories other than mach/ might use the generated Mach headers.
  26 # So make sure we get a chance to run in mach/ to make them before all else.
  27
  28 mach-objpfx = $(common-objpfx)mach/
  29 else
  30 mach-objpfx = $(objpfx)
  31 endif
  32
  33 # These are all the generated files that <mach.h> includes.
  34 # Actually, it's only some of them.  We omit mach_interface.h
  35 # because it's different in Darwin and the conditional crap is
  36 # too much trouble.  This should suffice for getting the mach/Makefile
  37 # rules invoked when they need to be.
  38 mach-before-compile := $(mach-objpfx)mach-shortcuts.h \
  39                        $(patsubst %,$(mach-objpfx)mach/mach_%.h,\
  40                                   port host)
  41
  42 ifneq (mach,$(subdir))
  43 # This patsubst generates patterns like `m%h-shortcuts.h', which are damn
  44 # likely to match just the corresponding particular file we want.
  45 $(patsubst mach%,m\%h%,$(mach-before-compile)): mach-before-compile # Run only if doesn't exist.
  46 .PHONY: mach-before-compile
  47 mach-before-compile:
  48         $(MAKE) -C $(..)mach subdir=mach mach-before-compile no_deps=t generating=t
  49
  50 before-compile += $(mach-before-compile)
  51 endif
  52
  53 endif   # in-Makerules