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Commit 527da38d authored by Linus Torvalds's avatar Linus Torvalds
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Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 

* ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
  kbuild: cc-cross-prefix spelling
  kbuild: allow depmod in cross builds again
  kbuild: fix modules_install after a 'make vmlinux'
parents 5081dba6 631bcfbb

Documentation/kbuild/makefiles.txt

+5 −5
Original line number Diff line number Diff line
@@ -519,17 +519,17 @@ more details, with real examples. 
	to the user why it stops.



    cc-cross-prefix

	cc-cross-prefix is used to check if there exist a $(CC) in path with

	cc-cross-prefix is used to check if there exists a $(CC) in path with

	one of the listed prefixes. The first prefix where there exist a

	prefix$(CC) in the PATH is returned - and if no prefix$(CC) is found

	then nothing is returned.

	Additional prefixes are separated by a single space in the

	call of cc-cross-prefix.

	This functionality is usefull for architecture Makefile that try

	to set CROSS_COMPILE to well know values but may have several

	This functionality is useful for architecture Makefiles that try

	to set CROSS_COMPILE to well-known values but may have several

	values to select between.

	It is recommended only to try to set CROSS_COMPILE is it is a cross

	build (host arch is different from target arch). And is CROSS_COMPILE

	It is recommended only to try to set CROSS_COMPILE if it is a cross

	build (host arch is different from target arch). And if CROSS_COMPILE

	is already set then leave it with the old value.



	Example:

Makefile

+4 −3
Original line number Diff line number Diff line
@@ -1505,15 +1505,16 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)) 
# and we build for the host arch

quiet_cmd_depmod = DEPMOD  $(KERNELRELEASE)

      cmd_depmod = \

	if [ -r System.map -a -x $(DEPMOD) -a "$(SUBARCH)" = "$(ARCH)" ]; then \

	if [ -r System.map -a -x $(DEPMOD) ]; then                              \

		$(DEPMOD) -ae -F System.map                                     \

		$(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) -r)   \

		$(KERNELRELEASE);                                               \

	fi



# Create temporary dir for module support files

cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR); rm -f $(MODVERDIR)/*



# clean it up only when building all modules

cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \

                  $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*)



a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \

	  $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \