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get rid of the last symlink in uml build

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We need to make asm-offsets.h contents visible for objects built
with userland headers.  Instead of creating a symlink, just have the
file with equivalent include (relative to location of header) created
once.  That kills the last symlink used in arch/um builds.

Additionally, both generated headers can become dependencies of
archprepare now, killing the misuse of prepare.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2009-01-05 17:18:42 +00:00 committed by Linus Torvalds
parent fe0bdec68b
commit 22409f9c80
1 changed files with 11 additions and 14 deletions
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25
arch/um/Makefile
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@ -22,10 +22,11 @@ MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas
include $(srctree)/$(ARCH_DIR)/Makefile-skas
ARCH_INCLUDE := -I$(srctree)/$(ARCH_DIR)/include/shared
SHARED_HEADERS := $(ARCH_DIR)/include/shared
ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADERS)
ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared
ifneq ($(KBUILD_SRC),)
ARCH_INCLUDE += -I$(ARCH_DIR)/include/shared # for two generated files
ARCH_INCLUDE += -I$(SHARED_HEADERS)
endif
KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
@ -85,8 +86,8 @@ endef
KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH)
archprepare: $(ARCH_DIR)/include/shared/user_constants.h
prepare: $(ARCH_DIR)/include/shared/kern_constants.h
archprepare: $(SHARED_HEADERS)/user_constants.h
archprepare: $(SHARED_HEADERS)/kern_constants.h
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
@ -119,17 +120,13 @@ endef
# When cleaning we don't include .config, so we don't include
# TT or skas makefiles and don't clean skas_ptregs.h.
CLEAN_FILES += linux x.i gmon.out \
$(ARCH_DIR)/include/shared/user_constants.h \
$(ARCH_DIR)/include/shared/kern_constants.h
$(SHARED_HEADERS)/user_constants.h \
$(SHARED_HEADERS)/kern_constants.h
archclean:
@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
-o -name '*.gcov' \) -type f -print | xargs rm -f
$(objtree)/$(ARCH_DIR)/include/shared:
@echo ' MKDIR $@'
$(Q)mkdir -p $@
# Generated files
$(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
@ -148,11 +145,11 @@ define filechk_gen-asm-offsets
echo ""; )
endef
$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
$(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
$(call filechk,gen-asm-offsets)
$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared
@echo ' SYMLINK $@'
$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
$(SHARED_HEADERS)/kern_constants.h:
$(Q)mkdir -p $(dir $@)
$(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@
export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH