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#
# Copyright (c) 1997-1999 The University of Utah and the Flux Group.
#
# This file is part of the OSKit Linux Glue Libraries, which are free
# software, also known as "open source;" you can redistribute them and/or
# modify them under the terms of the GNU General Public License (GPL),
# version 2, as published by the Free Software Foundation (FSF).
#
# The OSKit 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 GPL for more details. You should have
# received a copy of the GPL along with the OSKit; see the file COPYING. If
# not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
#
#
# This make cruft is shared between the Linux fs and dev stuff.
# The respective fs and dev makefiles include this file,
# which should be done after setting $(OBJFILES).
#
ifndef _oskit_linux_shared_makerules_
_oskit_linux_shared_makerules_ = yes
# Translate oskit architecture names (host_arch in configure.in)
# to the Linux architecture names used to name the Linux source directories.
LINUX_ARCH-x86 := i386
LINUX_ARCH-arm32 := arm
LINUX_HOST_ARCH := $(firstword $(LINUX_ARCH-$(HOST_ARCH)) $(HOST_ARCH))
SRCDIRS += $(OSKIT_SRCDIR)/linux/shared \
$(OSKIT_SRCDIR)/linux/shared/libc \
$(OSKIT_SRCDIR)/linux/shared/$(HOST_ARCH) \
$(OSKIT_SRCDIR)/linux/src/lib \
$(OSKIT_SRCDIR)/linux/src/arch/$(LINUX_HOST_ARCH)/lib
INCDIRS += $(OSKIT_SRCDIR)/linux/src/include \
$(OSKIT_SRCDIR)/linux/shared/libc \
objinclude
DEFINES += -DOSKIT -D__KERNEL__
# If debugging is enabled,
# define the symbol OSKIT_DEBUG instead of the usual DEBUG,
# because the Linux drivers have their own meaning for DEBUG.
ifneq "$(filter -DDEBUG, $(DEFINES))" ""
DEFINES := $(subst -DDEBUG, -DOSKIT_DEBUG, $(DEFINES))
endif
#
# We need to do this here since it adds stuff to $(OBJFILES).
#
### Include other appropriate make rules files ###
include $(OSKIT_SRCDIR)/GNUmakerules-lib
OSKIT_ASFLAGS += -D__ASSEMBLY__
# Implicitly include the shared global.h header file at the top of all sources.
# This header #defines a bunch of global Linux symbols
# to ensure linker namespace cleanliness and avoid conflicts.
OSKIT_CPPFLAGS += -include $(OSKIT_SRCDIR)/linux/shared/global.h
$(OBJFILES): $(OSKIT_SRCDIR)/linux/shared/global.h
# Create the objinclude/asm include symlink.
# We have to kludge a little to get it to work right,
# because OSKIT_SRCDIR might be either an absolute or a relative path
# and it will only work reliably if interpreted from _this_ directory.
$(OBJFILES): objinclude/asm
CLEAN_FILES += objinclude objinclude_asm
objinclude/asm:
-mkdir -p objinclude
ln -s ../objinclude_asm objinclude/asm
ln -s $(OSKIT_SRCDIR)/linux/src/include/asm-$(LINUX_HOST_ARCH) objinclude_asm
#
# This needs config help. For now all ARM32 builds use the same subdirs.
# The proc subdir points to proc-armv, which should be fine for anything
# we care about. For the arch subdir, we will use the ebsa285 subdir, since
# that looks generic enough, and besides we don't really care about 90% of
# it. It just needs to keep the compiler happy. We need to toss in the
# appropriate CONFIG definitions too.
#
ifeq ($(HOST_ARCH), arm32)
$(OBJFILES): archinclude/asm/proc archinclude/asm/arch
CLEAN_FILES += archinclude archinclude_asmproc archinclude_asmarch
INCDIRS += archinclude
archinclude/asm/proc:
-mkdir -p archinclude/asm
ln -fs ../../archinclude_asmproc archinclude/asm/proc
ln -fs $(OSKIT_SRCDIR)/linux/src/include/asm-$(LINUX_HOST_ARCH)/proc-armv \
archinclude_asmproc
archinclude/asm/arch:
-mkdir -p archinclude/asm
ln -fs ../../archinclude_asmarch archinclude/asm/arch
ln -fs $(OSKIT_SRCDIR)/linux/src/include/asm-$(LINUX_HOST_ARCH)/arch-ebsa285 \
archinclude_asmarch
endif
endif
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