mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
75 lines
2.7 KiB
Makefile
75 lines
2.7 KiB
Makefile
# Copyright (C) 1993, 1994 Free Software Foundation, Inc.
|
||
# This file is part of the GNU C Library.
|
||
|
||
# The GNU C Library 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.
|
||
|
||
# The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If
|
||
# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||
# Cambridge, MA 02139, USA.
|
||
|
||
ifndef mach-srcdir-computed
|
||
mach-srcdir-computed := yes
|
||
|
||
# If we were configured with `--with-mach=DIR', then config.make sets
|
||
# mach-srcdir to DIR. Otherwise guess we are in a big source tree.
|
||
ifndef mach-srcdir
|
||
mach-srcdir = ../mach
|
||
endif
|
||
|
||
# mach-srcdir is now set to the logical directory name. This name might be
|
||
# relative to $(objdir), might be relative to the source directory $(..), or
|
||
# might be absolute. We choose among these possibilities by looking for a
|
||
# canonical file in each of those places (in that order).
|
||
f := mach/mach.defs # Random file that identifies the Mach source dir.
|
||
f := $(strip $f)
|
||
mach-srcdir := $(firstword $(patsubst %/$f,%,$(wildcard $(addsuffix /$f,\
|
||
$(objpfx)$(mach-srcdir) $(..)$(mach-srcdir)))) $(mach-srcdir))
|
||
|
||
endif # ! mach-srcdir-computed
|
||
|
||
ifdef in-Makerules
|
||
|
||
# Look for header files in mach/ under the top-level library source directory.
|
||
includes += -I$(..)mach
|
||
|
||
# When compiling, use the Mach header files directly from the kernel sources.
|
||
includes += -I$(mach-srcdir)
|
||
|
||
# Find Mach header files in the kernel source.
|
||
vpath mach/%.h $(mach-srcdir)
|
||
vpath device/%.h $(mach-srcdir)
|
||
|
||
ifneq (mach,$(subdir))
|
||
# Subdirectories other than mach/ might use the generated Mach headers.
|
||
# So make sure we get a chance to run in mach/ to make them before all else.
|
||
|
||
ifdef objpfx
|
||
mach-objpfx = $(objpfx)
|
||
else
|
||
mach-objpfx = $(..)mach/
|
||
endif
|
||
|
||
# These are all the generated files that <mach.h> includes.
|
||
mach-before-compile := $(mach-objpfx)mach-shortcuts.h \
|
||
$(patsubst %,$(mach-objpfx)mach/mach_%.h,\
|
||
interface port host)
|
||
|
||
# This patsubst generates patterns like `m%h-shortcuts.h', which are damn
|
||
# likely to match just the corresponding particular file we want.
|
||
$(patsubst mach%,m\%h%,$(mach-before-compile)): # Run only if doesn't exist.
|
||
$(MAKE) -C $(..)mach generated no_deps=t
|
||
|
||
before-compile += $(mach-before-compile)
|
||
endif
|
||
|
||
endif # in-Makerules
|