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x86, um: get rid of arch/um/os symlink 

we can get DEV_NULL defined for arch/um/drivers/null.c in less
convoluted ways, TYVM...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Al Viro 2008-08-25 04:14:29 -04:00 committed by H. Peter Anvin
parent 887c57d480
commit ec82c32d45
5 changed files with 4 additions and 25 deletions
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15
arch/um/Makefile
View File

@ -18,12 +18,9 @@ core-y += $(ARCH_DIR)/kernel/ \
$(ARCH_DIR)/drivers/ \ $(ARCH_DIR)/drivers/ \
$(ARCH_DIR)/os-$(OS)/ $(ARCH_DIR)/os-$(OS)/
# XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
# ../os/include/file.h
#
# These are cleaned up during mrproper. Please DO NOT fix it again, this is # These are cleaned up during mrproper. Please DO NOT fix it again, this is
# the Correct Thing(tm) to do! # the Correct Thing(tm) to do!
ARCH_SYMLINKS = $(ARCH_DIR)/os $(ARCH_DIR)/include/shared/uml-config.h ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/uml-config.h
MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas
@ -143,14 +140,6 @@ $(objtree)/$(ARCH_DIR)/include/shared:
@echo ' MKDIR $@' @echo ' MKDIR $@'
$(Q)mkdir -p $@ $(Q)mkdir -p $@
$(ARCH_DIR)/os:
@echo ' SYMLINK $@'
ifneq ($(KBUILD_SRC),)
$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $@
else
$(Q)ln -fsn os-$(OS) $@
endif
# Generated files # Generated files
define filechk_umlconfig define filechk_umlconfig
sed 's/ CONFIG/ UML_CONFIG/' sed 's/ CONFIG/ UML_CONFIG/'
@ -182,4 +171,4 @@ $(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shar
@echo ' SYMLINK $@' @echo ' SYMLINK $@'
$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@ $(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH

1
arch/um/Makefile-os-Linux
View File

@ -6,3 +6,4 @@
# To get a definition of F_SETSIG # To get a definition of F_SETSIG
USER_CFLAGS += -D_GNU_SOURCE -D_LARGEFILE64_SOURCE USER_CFLAGS += -D_GNU_SOURCE -D_LARGEFILE64_SOURCE
KBUILD_CFLAGS += -D_LARGEFILE64_SOURCE KBUILD_CFLAGS += -D_LARGEFILE64_SOURCE
DEV_NULL_PATH = \"/dev/null\"

1
arch/um/drivers/Makefile
View File

@ -62,5 +62,6 @@ obj-$(CONFIG_UML_RANDOM) += random.o
# pcap_user.o must be added explicitly. # pcap_user.o must be added explicitly.
USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o pcap_user.o vde_user.o USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o pcap_user.o vde_user.o
CFLAGS_null.o = -DDEV_NULL=$(DEV_NULL_PATH)
include arch/um/scripts/Makefile.rules include arch/um/scripts/Makefile.rules

1
arch/um/include/shared/os.h
View File

@ -11,7 +11,6 @@
#include "longjmp.h" #include "longjmp.h"
#include "mm_id.h" #include "mm_id.h"
#include "sysdep/tls.h" #include "sysdep/tls.h"
#include "../../os/include/file.h"
#define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR)) #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))

11
arch/um/os-Linux/include/file.h
View File

@ -1,11 +0,0 @@
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#ifndef __OS_FILE_H__
#define __OS_FILE_H__
#define DEV_NULL "/dev/null"
#endif