Merge mars.ravnborg.org:/home/sam/bk/kbuild-mm

into mars.ravnborg.org:/home/sam/bk/kbuild

Documentation/DocBook/Makefile

@@ -185,9 +185,7 @@ clean-files := $(DOCBOOKS) \
 	$(patsubst %.sgml, %.9,    $(DOCBOOKS)) \
 	$(C-procfs-example)
 
-ifneq ($(wildcard $(patsubst %.html,%,$(HTML))),)
-clean-rule := rm -rf $(wildcard $(patsubst %.html,%,$(HTML)))
-endif
+clean-dirs := $(patsubst %.sgml,%,$(DOCBOOKS))
 
 #man put files in man subdir - traverse down
 subdir- := man/

Documentation/kbuild/makefiles.txt

@@ -25,6 +25,7 @@ This document describes the Linux kernel Makefiles.
 	   --- 4.4 Using C++ for host programs
 	   --- 4.5 Controlling compiler options for host programs
 	   --- 4.6 When host programs are actually built
+	   --- 4.7 Using hostprogs-$(CONFIG_FOO)
 
 	=== 5 Kbuild clean infrastructure
 
@@ -387,7 +388,7 @@ compilation stage.
 Two steps are required in order to use a host executable.
 
 The first step is to tell kbuild that a host program exists. This is
-done utilising the variable host-prog.
+done utilising the variable hostprogs-y.
 
 The second step is to add an explicit dependency to the executable.
 This can be done in two ways. Either add the dependency in a rule, 
@@ -402,7 +403,7 @@ Both possibilities are described in the following.
 	built on the build host.
 
 	Example:
-		host-progs := bin2hex
+		hostprogs-y := bin2hex
 
 	Kbuild assumes in the above example that bin2hex is made from a single
 	c-source file named bin2hex.c located in the same directory as
@@ -418,7 +419,7 @@ Both possibilities are described in the following.
 
 	Example:
 		#scripts/lxdialog/Makefile
-		host-progs    := lxdialog  
+		hostprogs-y   := lxdialog  
 		lxdialog-objs := checklist.o lxdialog.o
 
 	Objects with extension .o are compiled from the corresponding .c
@@ -438,7 +439,7 @@ Both possibilities are described in the following.
 
 	Example:
 		#scripts/kconfig/Makefile
-		host-progs      := conf
+		hostprogs-y     := conf
 		conf-objs       := conf.o libkconfig.so
 		libkconfig-objs := expr.o type.o
   
@@ -457,7 +458,7 @@ Both possibilities are described in the following.
 
 	Example:
 		#scripts/kconfig/Makefile
-		host-progs    := qconf
+		hostprogs-y   := qconf
 		qconf-cxxobjs := qconf.o
 
 	In the example above the executable is composed of the C++ file
@@ -468,7 +469,7 @@ Both possibilities are described in the following.
 
 	Example:
 		#scripts/kconfig/Makefile
-		host-progs    := qconf
+		hostprogs-y   := qconf
 		qconf-cxxobjs := qconf.o
 		qconf-objs    := check.o
 	
@@ -509,7 +510,7 @@ Both possibilities are described in the following.
 
 	Example:
 		#drivers/pci/Makefile
-		host-progs := gen-devlist
+		hostprogs-y := gen-devlist
 		$(obj)/devlist.h: $(src)/pci.ids $(obj)/gen-devlist
 			( cd $(obj); ./gen-devlist ) < $<
 
@@ -524,18 +525,32 @@ Both possibilities are described in the following.
 
 	Example:
 		#scripts/lxdialog/Makefile
-		host-progs    := lxdialog
-		always        := $(host-progs)
+		hostprogs-y   := lxdialog
+		always        := $(hostprogs-y)
 
 	This will tell kbuild to build lxdialog even if not referenced in
 	any rule.
 
+--- 4.7 Using hostprogs-$(CONFIG_FOO)
+
+	A typcal pattern in a Kbuild file lok like this:
+
+	Example:
+		#scripts/Makefile
+		hostprogs-$(CONFIG_KALLSYMS) += kallsyms
+
+	Kbuild knows about both 'y' for built-in and 'm' for module.
+	So if a config symbol evaluate to 'm', kbuild will still build
+	the binary. In other words Kbuild handle hostprogs-m exactly
+	like hostprogs-y. But only hostprogs-y is recommend used
+	when no CONFIG symbol are involved.
+
 === 5 Kbuild clean infrastructure
 
 "make clean" deletes most generated files in the src tree where the kernel
 is compiled. This includes generated files such as host programs.
-Kbuild knows targets listed in $(host-progs), $(always), $(extra-y) and
-$(targets). They are all deleted during "make clean".
+Kbuild knows targets listed in $(hostprogs-y), $(hostprogs-m), $(always),
+$(extra-y) and $(targets). They are all deleted during "make clean".
 Files matching the patterns "*.[oas]", "*.ko", plus some additional files
 generated by kbuild are deleted all over the kernel src tree when
 "make clean" is executed.
@@ -547,8 +562,17 @@ Additional files can be specified in kbuild makefiles by use of $(clean-files).
 		clean-files := devlist.h classlist.h
 
 When executing "make clean", the two files "devlist.h classlist.h" will
-be deleted. Kbuild knows that files specified by $(clean-files) are
-located in the same directory as the makefile.
+be deleted. Kbuild will assume files to be in same relative directory as the
+Makefile except if an absolute path is specified (path starting with '/').
+
+To delete a directory hirachy use:
+	Example:
+		#scripts/package/Makefile
+		clean-dirs := $(objtree)/debian/
+
+This will delete the directory debian, including all subdirectories.
+Kbuild will assume the directories to be in the same relative path as the
+Makefile if no absolute path is specified (path does not start with '/').
 
 Usually kbuild descends down in subdirectories due to "obj-* := dir/",
 but in the architecture makefiles where the kbuild infrastructure

Makefile

@@ -294,8 +294,12 @@ AFLAGS_KERNEL	=
 
 NOSTDINC_FLAGS  = -nostdinc -iwithprefix include
 
-CPPFLAGS        := -D__KERNEL__ -Iinclude \
-		   $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include)
+# Use LINUXINCLUDE when you must reference the include/ directory.
+# Needed to be compatible with the O= option
+LINUXINCLUDE    := -Iinclude \
+                   $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include)
+
+CPPFLAGS        := -D__KERNEL__ $(LINUXINCLUDE)
 
 CFLAGS 		:= -Wall -Wstrict-prototypes -Wno-trigraphs \
 	  	   -fno-strict-aliasing -fno-common
@@ -306,7 +310,7 @@ export	VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \
 	CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE \
 	HOSTCXX HOSTCXXFLAGS LDFLAGS_BLOB LDFLAGS_MODULE CHECK
 
-export CPPFLAGS NOSTDINC_FLAGS OBJCOPYFLAGS LDFLAGS
+export CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
 export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE 
 export AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
 
@@ -538,8 +542,9 @@ define rule_vmlinux__
 	echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd
 endef
 
-do_system_map = $(NM) $(1) | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > $(2)
-
+quiet_cmd_sysmap = SYSMAP 
+      cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
+		   
 LDFLAGS_vmlinux += -T arch/$(ARCH)/kernel/vmlinux.lds.s
 
 #	Generate section listing all symbols and add it into vmlinux
@@ -570,8 +575,10 @@ endif
 kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
 
 define rule_verify_kallsyms
-	@$(call do_system_map, .tmp_vmlinux$(last_kallsyms), .tmp_System.map)
-	@cmp -s System.map .tmp_System.map || \
+	$(Q)$(if $($(quiet)cmd_sysmap),                       \
+	  echo '  $($(quiet)cmd_sysmap) .tmp_System.map' &&)  \
+	  $(cmd_sysmap) .tmp_vmlinux$(last_kallsyms) .tmp_System.map
+	$(Q)cmp -s System.map .tmp_System.map || \
 		(echo Inconsistent kallsyms data, try setting CONFIG_KALLSYMS_EXTRA_PASS ; rm .tmp_kallsyms* ; false)
 endef
 
@@ -581,7 +588,7 @@ cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) $(foreach x,$(CONFIG_KALLSYMS_ALL),--al
 .tmp_kallsyms1.o .tmp_kallsyms2.o .tmp_kallsyms3.o: %.o: %.S scripts FORCE
 	$(call if_changed_dep,as_o_S)
 
-.tmp_kallsyms%.S: .tmp_vmlinux%
+.tmp_kallsyms%.S: .tmp_vmlinux% $(KALLSYMS)
 	$(call cmd,kallsyms)
 
 .tmp_vmlinux1: $(vmlinux-objs) arch/$(ARCH)/kernel/vmlinux.lds.s FORCE
@@ -595,11 +602,19 @@ cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) $(foreach x,$(CONFIG_KALLSYMS_ALL),--al
 
 endif
 
-#	Finally the vmlinux rule
+# Finally the vmlinux rule
+# This rule is also used to generate System.map
+# and to verify that the content of kallsyms are consistent
 
 define rule_vmlinux
-	$(rule_vmlinux__); \
-	$(call do_system_map, $@, System.map)
+	$(rule_vmlinux__);
+	$(Q)$(if $($(quiet)cmd_sysmap),                  \
+	  echo '  $($(quiet)cmd_sysmap) System.map' &&)  \
+	$(cmd_sysmap) $@ System.map;                     \
+	if [ $$? -ne 0 ]; then                           \
+		rm -f $@;                                \
+		/bin/false;                              \
+	fi;
 	$(rule_verify_kallsyms)
 endef
 

arch/alpha/boot/Makefile

@@ -8,7 +8,7 @@
 # Copyright (C) 1994 by Linus Torvalds
 #
 
-host-progs	:= tools/mkbb tools/objstrip
+hostprogs-y	:= tools/mkbb tools/objstrip
 targets		:= vmlinux.gz vmlinux \
 		   vmlinux.nh tools/lxboot tools/bootlx tools/bootph \
 		   tools/bootpzh bootloader bootpheader bootpzheader 

arch/i386/boot/Makefile

@@ -29,9 +29,9 @@ targets		:= vmlinux.bin bootsect bootsect.o setup setup.o \
 		   zImage bzImage
 subdir- 	:= compressed
 
-host-progs	:= tools/build
+hostprogs-y	:= tools/build
 
-HOSTCFLAGS_build.o := -Iinclude
+HOSTCFLAGS_build.o := $(LINUXINCLUDE)
 
 # ---------------------------------------------------------------------------
 

arch/ppc/boot/Makefile

@@ -23,12 +23,12 @@ subdir-$(CONFIG_PPC_OF)		+= of1275
 # for cleaning
 subdir-				+= simple openfirmware
 
-host-progs := $(addprefix utils/, addnote mknote hack-coff mkprep mkbugboot mktree)
+hostprogs-y := $(addprefix utils/, addnote mknote hack-coff mkprep mkbugboot mktree)
 
 .PHONY: $(BOOT_TARGETS) $(bootdir-y)
 
 $(BOOT_TARGETS): $(bootdir-y)
 
 $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \
-		$(addprefix $(obj)/,$(host-progs))
+		$(addprefix $(obj)/,$(hostprogs-y))
 	$(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)

arch/ppc64/boot/Makefile

@@ -25,7 +25,7 @@ CROSS32_COMPILE ?=
 
 BOOTCC		:= $(CROSS32_COMPILE)gcc
 HOSTCC		:= gcc
-BOOTCFLAGS	:= $(HOSTCFLAGS) -Iinclude -fno-builtin 
+BOOTCFLAGS	:= $(HOSTCFLAGS) $(LINUXINCLUDE) -fno-builtin 
 BOOTAS		:= $(CROSS32_COMPILE)as
 BOOTAFLAGS	:= -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional
 BOOTLD		:= $(CROSS32_COMPILE)ld
@@ -58,7 +58,7 @@ obj-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.o, $(section)))
 src-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.c, $(section)))
 gz-sec  = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.gz, $(section)))
 
-host-progs		:= piggy addnote addSystemMap addRamDisk
+hostprogs-y		:= piggy addnote addSystemMap addRamDisk
 targets 		+= zImage zImage.initrd imagesize.c \
 			   $(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \
 			   $(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \

arch/sparc/boot/Makefile

@@ -7,28 +7,52 @@
 ROOT_IMG	:= /usr/src/root.img
 ELFTOAOUT	:= elftoaout
 
-host-progs	:= piggyback btfixupprep
-targets		:= tftpboot.img btfix.o btfix.s image
+hostprogs-y	:= piggyback btfixupprep
+targets		:= tftpboot.img btfix.o btfix.S image
 
 quiet_cmd_elftoaout	= ELFTOAOUT $@
       cmd_elftoaout	= $(ELFTOAOUT) $(obj)/image -o $@
-quiet_cmd_piggy		= PIGGY $@
+quiet_cmd_piggy		= PIGGY   $@
       cmd_piggy		= $(obj)/piggyback $@ $(obj)/System.map $(ROOT_IMG)
-quiet_cmd_btfix		= BTFIX $@
+quiet_cmd_btfix		= BTFIX   $@
       cmd_btfix		= $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
+quiet_cmd_sysmap        = SYSMAP  $(obj)/System.map
+      cmd_sysmap        = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
+quiet_cmd_image = LD      $@
+      cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
+
+define rule_image
+	$(if $($(quiet)cmd_image),               \
+	  echo '  $($(quiet)cmd_image)' &&)      \
+	  $(cmd_image);                          \
+	$(if $($(quiet)cmd_sysmap),              \
+	  echo '  $($(quiet)cmd_sysmap)' &&)  \
+	$(cmd_sysmap) $@ $(obj)/System.map;      \
+	if [ $$? -ne 0 ]; then                   \
+		rm -f $@;                        \
+		/bin/false;                      \
+	fi;                                      \
+	echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
+endef
 
 BTOBJS := $(HEAD_Y) $(INIT_Y)
 BTLIBS := $(CORE_Y) $(LIBS_Y) $(DRIVERS_Y) $(NET_Y)
-LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds.s $(BTOBJS) --start-group $(BTLIBS) --end-group $(kallsyms.o)
+LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds.s $(BTOBJS) \
+                  --start-group $(BTLIBS) --end-group \
+                  $(kallsyms.o) $(obj)/btfix.o
 
-# Actual linking
+# Link the final image including btfixup'ed symbols.
+# This is a replacement for the link done in the top-level Makefile.
+# Note: No dependency on the prerequisite files since that would require
+# make to try check if they are updated - and due to changes
+# in gcc options (path for example) this would result in
+# these files being recompiled for each build.
 $(obj)/image: $(obj)/btfix.o FORCE
-	$(call if_changed,ld)
-	$(NM) $@ | grep -v  '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > $(obj)/System.map
+	$(call if_changed_rule,image)
 
 $(obj)/tftpboot.img: $(obj)/piggyback $(obj)/System.map $(obj)/image FORCE
 	$(call if_changed,elftoaout)
 	$(call if_changed,piggy)
 
-$(obj)/btfix.s: $(obj)/btfixupprep vmlinux FORCE
+$(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
 	$(call if_changed,btfix)

arch/sparc64/boot/Makefile

@@ -7,7 +7,7 @@
 ROOT_IMG	:= /usr/src/root.img
 ELFTOAOUT	:= elftoaout
 
-host-progs	:= piggyback
+hostprogs-y	:= piggyback
 targets		:= image tftpboot.img vmlinux.aout
 
 quiet_cmd_elftoaout = ELF2AOUT $@

arch/um/sys-i386/util/Makefile

 
-host-progs	:= mk_sc
-always		:= $(host-progs) mk_thread
+hostprogs-y	:= mk_sc
+always		:= $(hostprogs-y) mk_thread
 targets		:= mk_thread_kern.o mk_thread_user.o
 
 mk_sc-objs	:= mk_sc.o

arch/x86_64/boot/Makefile

@@ -30,7 +30,7 @@ targets		:= vmlinux.bin bootsect bootsect.o \
 
 EXTRA_CFLAGS := -m32
 
-host-progs	:= tools/build
+hostprogs-y	:= tools/build
 subdir-		:= compressed/	#Let make clean descend in compressed/
 # ---------------------------------------------------------------------------
 

drivers/atm/Makefile

@@ -3,7 +3,7 @@
 #
 
 fore_200e-objs	:= fore200e.o
-host-progs	:= fore200e_mkfirm
+hostprogs-y	:= fore200e_mkfirm
 
 # Files generated that shall be removed upon make clean
 clean-files := atmsar11.bin atmsar11.bin1 atmsar11.bin2 pca200e.bin \

drivers/md/Makefile

@@ -10,7 +10,7 @@ raid6-objs	:= raid6main.o raid6algos.o raid6recov.o raid6tables.o \
 		   raid6int1.o raid6int2.o raid6int4.o \
 		   raid6int8.o raid6int16.o raid6int32.o \
 		   raid6mmx.o raid6sse1.o raid6sse2.o
-host-progs	:= mktables
+hostprogs-y	:= mktables
 
 # Note: link order is important.  All raid personalities
 # and xor.o must come before md.o, as they each initialise 

drivers/media/dvb/ttpci/Makefile

@@ -13,7 +13,7 @@ obj-$(CONFIG_DVB_AV7110) += dvb-ttpci.o ttpci-eeprom.o
 
 EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/
 
-host-progs	:= fdump
+hostprogs-y	:= fdump
 
 ifdef CONFIG_DVB_AV7110_FIRMWARE
 $(obj)/av7110.o: $(obj)/fdump $(obj)/av7110_firm.h 

drivers/pci/Makefile

@@ -35,7 +35,7 @@ ifndef CONFIG_X86
 obj-y += syscall.o
 endif
 
-host-progs := gen-devlist
+hostprogs-y := gen-devlist
 
 # Dependencies on generated files need to be listed explicitly
 $(obj)/names.o: $(obj)/devlist.h $(obj)/classlist.h

drivers/zorro/Makefile

@@ -5,7 +5,7 @@
 obj-$(CONFIG_ZORRO)	+= zorro.o zorro-driver.o zorro-sysfs.o names.o
 obj-$(CONFIG_PROC_FS)	+= proc.o
 
-host-progs 		:= gen-devlist
+hostprogs-y 		:= gen-devlist
 
 # Files generated that shall be removed upon make clean
 clean-files := devlist.h

lib/Makefile

@@ -25,7 +25,7 @@ obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
 
-host-progs	:= gen_crc32table
+hostprogs-y	:= gen_crc32table
 clean-files	:= crc32table.h
 
 $(obj)/crc32.o: $(obj)/crc32table.h

scripts/Makefile

@@ -2,14 +2,21 @@
 # scripts contains sources for various helper programs used throughout
 # the kernel for the build process.
 # ---------------------------------------------------------------------------
-# docproc: 	 Preprocess .tmpl file in order to generate .sgml docs
+# kallsyms:      Find all symbols in vmlinux
+# pnmttologo:    Convert pnm files to logo files
+# conmakehash:   Create chartable
 # conmakehash:	 Create arrays for initializing the kernel console tables
 
-host-progs	:= conmakehash kallsyms pnmtologo bin2c
-always		:= $(host-progs)
+hostprogs-$(CONFIG_KALLSYMS)     += kallsyms
+hostprogs-$(CONFIG_LOGO)         += pnmtologo
+hostprogs-$(CONFIG_VT)           += conmakehash
+hostprogs-$(CONFIG_PROM_CONSOLE) += conmakehash
+hostprogs-$(CONFIG_IKCONFIG)     += bin2c
 
-subdir-$(CONFIG_MODVERSIONS)	+= genksyms
-subdir-y	+= mod
+always		:= $(hostprogs-y)
+
+subdir-$(CONFIG_MODVERSIONS) += genksyms
+subdir-$(CONFIG_MODULES)     += mod
 
 # Let clean descend into subdirs
 subdir-	+= basic lxdialog kconfig package

scripts/Makefile.build

@@ -14,6 +14,16 @@ include $(obj)/Makefile
 
 include scripts/Makefile.lib
 
+ifdef host-progs
+$(warning kbuild: $(obj)/Makefile - Usage of host-progs is deprecated. Please replace with hostprogs-y!)
+hostprogs-y += $(host-progs)
+endif
+
+# Do not include host rules unles needed
+ifneq ($(hostprogs-y)$(hostprogs-m),)
+include scripts/Makefile.host
+endif
+
 ifneq ($(KBUILD_SRC),)
 # Create output directory if not already present
 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
@@ -275,90 +285,6 @@ $(multi-used-m) : %.o: $(multi-objs-m) FORCE
 
 targets += $(multi-used-y) $(multi-used-m)
 
-# Compile programs on the host
-# ===========================================================================
-# host-progs := bin2hex
-# Will compile bin2hex.c and create an executable named bin2hex
-#
-# host-progs    := lxdialog
-# lxdialog-objs := checklist.o lxdialog.o
-# Will compile lxdialog.c and checklist.c, and then link the executable
-# lxdialog, based on checklist.o and lxdialog.o
-#
-# host-progs      := qconf
-# qconf-cxxobjs   := qconf.o
-# qconf-objs      := menu.o
-# Will compile qconf as a C++ program, and menu as a C program.
-# They are linked as C++ code to the executable qconf
-
-# host-progs := conf
-# conf-objs  := conf.o libkconfig.so
-# libkconfig-objs := expr.o type.o
-# Will create a shared library named libkconfig.so that consist of
-# expr.o and type.o (they are both compiled as C code and the object file
-# are made as position independent code).
-# conf.c is compiled as a c program, and conf.o is linked together with
-# libkconfig.so as the executable conf.
-# Note: Shared libraries consisting of C++ files are not supported  
-#
-
-# Create executable from a single .c file
-# host-csingle -> Executable
-quiet_cmd_host-csingle 	= HOSTCC  $@
-      cmd_host-csingle	= $(HOSTCC) $(hostc_flags) $(HOST_LOADLIBES) -o $@ $<
-$(host-csingle): %: %.c FORCE
-	$(call if_changed_dep,host-csingle)
-
-# Link an executable based on list of .o files, all plain c
-# host-cmulti -> executable
-quiet_cmd_host-cmulti	= HOSTLD  $@
-      cmd_host-cmulti	= $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
-			  $(addprefix $(obj)/,$($(@F)-objs)) \
-			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cmulti): %: $(host-cobjs) $(host-cshlib) FORCE
-	$(call if_changed,host-cmulti)
-
-# Create .o file from a single .c file
-# host-cobjs -> .o
-quiet_cmd_host-cobjs	= HOSTCC  $@
-      cmd_host-cobjs	= $(HOSTCC) $(hostc_flags) -c -o $@ $<
-$(host-cobjs): %.o: %.c FORCE
-	$(call if_changed_dep,host-cobjs)
-
-# Link an executable based on list of .o files, a mixture of .c and .cc
-# host-cxxmulti -> executable
-quiet_cmd_host-cxxmulti	= HOSTLD  $@
-      cmd_host-cxxmulti	= $(HOSTCXX) $(HOSTLDFLAGS) -o $@ \
-			  $(foreach o,objs cxxobjs,\
-			  $(addprefix $(obj)/,$($(@F)-$(o)))) \
-			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cxxmulti): %: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE
-	$(call if_changed,host-cxxmulti)
-
-# Create .o file from a single .cc (C++) file
-quiet_cmd_host-cxxobjs	= HOSTCXX $@
-      cmd_host-cxxobjs	= $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
-$(host-cxxobjs): %.o: %.cc FORCE
-	$(call if_changed_dep,host-cxxobjs)
-
-# Compile .c file, create position independent .o file
-# host-cshobjs -> .o
-quiet_cmd_host-cshobjs	= HOSTCC  -fPIC $@
-      cmd_host-cshobjs	= $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
-$(host-cshobjs): %.o: %.c FORCE
-	$(call if_changed_dep,host-cshobjs)
-
-# Link a shared library, based on position independent .o files
-# *.o -> .so shared library (host-cshlib)
-quiet_cmd_host-cshlib	= HOSTLLD -shared $@
-      cmd_host-cshlib	= $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
-			  $(addprefix $(obj)/,$($(@F:.so=-objs))) \
-			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cshlib): %: $(host-cshobjs) FORCE
-	$(call if_changed,host-cshlib)
-
-targets += $(host-csingle)  $(host-cmulti) $(host-cobjs)\
-	   $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) 
 
 # Descending
 # ---------------------------------------------------------------------------

scripts/Makefile.clean

@@ -29,21 +29,37 @@ subdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
 # Add subdir path
 
 subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
-__clean-files	:= $(wildcard $(addprefix $(obj)/, \
-		   $(extra-y) $(EXTRA_TARGETS) $(always) $(host-progs) \
-		   $(targets) $(clean-files)))
+__clean-files	:= $(extra-y) $(EXTRA_TARGETS) $(always) \
+		   $(targets) $(clean-files)             \
+		   $(host-progs)                         \
+		   $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
+__clean-files   := $(wildcard                                               \
+                   $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
+		   $(filter /%, $(__clean-files)))
+__clean-dirs    := $(wildcard                                               \
+                   $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs)))    \
+		   $(filter /%, $(clean-dirs)))
 
 # ==========================================================================
 
-quiet_cmd_clean = CLEAN   $(obj)
-      cmd_clean = rm -f $(__clean-files); $(clean-rule)
+quiet_cmd_clean    = CLEAN   $(obj)
+      cmd_clean    = rm -f $(__clean-files)
+quiet_cmd_cleandir = CLEAN   $(__clean-dirs)
+      cmd_cleandir = rm -rf $(__clean-dirs)
+
 
 __clean: $(subdir-ymn)
-ifneq ($(strip $(__clean-files) $(clean-rule)),)
+ifneq ($(strip $(__clean-files)),)
 	+$(call cmd,clean)
-else
-	@:
 endif
+ifneq ($(strip $(__clean-dirs)),)
+	+$(call cmd,cleandir)
+endif
+ifneq ($(strip $(clean-rule)),)
+	+$(clean-rule)
+endif
+	@:
+
 
 # ===========================================================================
 # Generic stuff

scripts/Makefile.host

+# ==========================================================================
+# Building binaries on the host system
+# Binaries are used during the compilation of the kernel, for example
+# to preprocess a data file.
+#
+# Both C and C++ is supported, but preferred language is C for such utilities.
+#
+# Samle syntax (see Documentation/kbuild/makefile.txt for reference)
+# hostprogs-y := bin2hex
+# Will compile bin2hex.c and create an executable named bin2hex
+#
+# hostprogs-y    := lxdialog
+# lxdialog-objs := checklist.o lxdialog.o
+# Will compile lxdialog.c and checklist.c, and then link the executable
+# lxdialog, based on checklist.o and lxdialog.o
+#
+# hostprogs-y      := qconf
+# qconf-cxxobjs   := qconf.o
+# qconf-objs      := menu.o
+# Will compile qconf as a C++ program, and menu as a C program.
+# They are linked as C++ code to the executable qconf
+
+# hostprogs-y := conf
+# conf-objs  := conf.o libkconfig.so
+# libkconfig-objs := expr.o type.o
+# Will create a shared library named libkconfig.so that consist of
+# expr.o and type.o (they are both compiled as C code and the object file
+# are made as position independent code).
+# conf.c is compiled as a c program, and conf.o is linked together with
+# libkconfig.so as the executable conf.
+# Note: Shared libraries consisting of C++ files are not supported
+
+__hostprogs := $(sort $(hostprogs-y)$(hostprogs-m))
+
+# hostprogs-y := tools/build may have been specified. Retreive directory
+obj-dirs += $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f))))
+obj-dirs := $(strip $(sort $(filter-out ./,$(obj-dirs))))
+
+
+# C code
+# Executables compiled from a single .c file
+host-csingle	:= $(foreach m,$(__hostprogs),$(if $($(m)-objs),,$(m)))
+
+# C executables linked based on several .o files
+host-cmulti	:= $(foreach m,$(__hostprogs),\
+		   $(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))
+
+# Object (.o) files compiled from .c files
+host-cobjs	:= $(sort $(foreach m,$(__hostprogs),$($(m)-objs)))
+
+# C++ code
+# C++ executables compiled from at least on .cc file
+# and zero or more .c files
+host-cxxmulti	:= $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))
+
+# C++ Object (.o) files compiled from .cc files
+host-cxxobjs	:= $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
+
+# Shared libaries (only .c supported)
+# Shared libraries (.so) - all .so files referenced in "xxx-objs"
+host-cshlib	:= $(sort $(filter %.so, $(host-cobjs)))
+# Remove .so files from "xxx-objs"
+host-cobjs	:= $(filter-out %.so,$(host-cobjs))
+
+#Object (.o) files used by the shared libaries
+host-cshobjs	:= $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
+
+__hostprogs     := $(addprefix $(obj)/,$(__hostprogs))
+host-csingle	:= $(addprefix $(obj)/,$(host-csingle))
+host-cmulti	:= $(addprefix $(obj)/,$(host-cmulti))
+host-cobjs	:= $(addprefix $(obj)/,$(host-cobjs))
+host-cxxmulti	:= $(addprefix $(obj)/,$(host-cxxmulti))
+host-cxxobjs	:= $(addprefix $(obj)/,$(host-cxxobjs))
+host-cshlib	:= $(addprefix $(obj)/,$(host-cshlib))
+host-cshobjs	:= $(addprefix $(obj)/,$(host-cshobjs))
+
+#####
+# Handle options to gcc. Support building with separate output directory
+
+_hostc_flags   = $(HOSTCFLAGS)   $(HOST_EXTRACFLAGS)   $(HOSTCFLAGS_$(*F).o)
+_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) $(HOSTCXXFLAGS_$(*F).o)
+
+ifeq ($(KBUILD_SRC),)
+__hostc_flags	= $(_hostc_flags)
+__hostcxx_flags	= $(_hostcxx_flags)
+else
+__hostc_flags	= -I$(obj) $(call flags,_hostc_flags)
+__hostcxx_flags	= -I$(obj) $(call flags,_hostcxx_flags)
+endif
+
+hostc_flags    = -Wp,-MD,$(depfile) $(__hostc_flags)
+hostcxx_flags  = -Wp,-MD,$(depfile) $(__hostcxx_flags)
+
+#####
+# Compile programs on the host
+
+# Create executable from a single .c file
+# host-csingle -> Executable
+quiet_cmd_host-csingle 	= HOSTCC  $@
+      cmd_host-csingle	= $(HOSTCC) $(hostc_flags) $(HOST_LOADLIBES) -o $@ $<
+$(host-csingle): %: %.c FORCE
+	$(call if_changed_dep,host-csingle)
+
+# Link an executable based on list of .o files, all plain c
+# host-cmulti -> executable
+quiet_cmd_host-cmulti	= HOSTLD  $@
+      cmd_host-cmulti	= $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
+			  $(addprefix $(obj)/,$($(@F)-objs)) \
+			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
+$(host-cmulti): %: $(host-cobjs) $(host-cshlib) FORCE
+	$(call if_changed,host-cmulti)
+
+# Create .o file from a single .c file
+# host-cobjs -> .o
+quiet_cmd_host-cobjs	= HOSTCC  $@
+      cmd_host-cobjs	= $(HOSTCC) $(hostc_flags) -c -o $@ $<
+$(host-cobjs): %.o: %.c FORCE
+	$(call if_changed_dep,host-cobjs)
+
+# Link an executable based on list of .o files, a mixture of .c and .cc
+# host-cxxmulti -> executable
+quiet_cmd_host-cxxmulti	= HOSTLD  $@
+      cmd_host-cxxmulti	= $(HOSTCXX) $(HOSTLDFLAGS) -o $@ \
+			  $(foreach o,objs cxxobjs,\
+			  $(addprefix $(obj)/,$($(@F)-$(o)))) \
+			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
+$(host-cxxmulti): %: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE
+	$(call if_changed,host-cxxmulti)
+
+# Create .o file from a single .cc (C++) file
+quiet_cmd_host-cxxobjs	= HOSTCXX $@
+      cmd_host-cxxobjs	= $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
+$(host-cxxobjs): %.o: %.cc FORCE
+	$(call if_changed_dep,host-cxxobjs)
+
+# Compile .c file, create position independent .o file
+# host-cshobjs -> .o
+quiet_cmd_host-cshobjs	= HOSTCC  -fPIC $@
+      cmd_host-cshobjs	= $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
+$(host-cshobjs): %.o: %.c FORCE
+	$(call if_changed_dep,host-cshobjs)
+
+# Link a shared library, based on position independent .o files
+# *.o -> .so shared library (host-cshlib)
+quiet_cmd_host-cshlib	= HOSTLLD -shared $@
+      cmd_host-cshlib	= $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
+			  $(addprefix $(obj)/,$($(@F:.so=-objs))) \
+			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
+$(host-cshlib): %: $(host-cshobjs) FORCE
+	$(call if_changed,host-cshlib)
+
+targets += $(host-csingle)  $(host-cmulti) $(host-cobjs)\
+	   $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) 
+

scripts/Makefile.lib

@@ -60,41 +60,11 @@ subdir-obj-y := $(foreach o,$(obj-y),$(if $(filter-out $(o),$(notdir $(o))),$(o)
 
 # $(obj-dirs) is a list of directories that contain object files
 obj-dirs := $(dir $(multi-objs) $(subdir-obj-y))
-obj-dirs += $(foreach f,$(host-progs), $(if $(dir $(f)),$(dir $(f))))
-obj-dirs := $(strip $(sort $(filter-out ./,$(obj-dirs))))
 
 # Replace multi-part objects by their individual parts, look at local dir only
 real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)
 real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
 
-# C code
-# Executables compiled from a single .c file
-host-csingle	:= $(foreach m,$(host-progs),$(if $($(m)-objs),,$(m)))
-
-# C executables linked based on several .o files
-host-cmulti	:= $(foreach m,$(host-progs),\
-		   $(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))
-
-# Object (.o) files compiled from .c files
-host-cobjs	:= $(sort $(foreach m,$(host-progs),$($(m)-objs)))
-
-# C++ code
-# C++ executables compiled from at least on .cc file
-# and zero or more .c files
-host-cxxmulti	:= $(foreach m,$(host-progs),$(if $($(m)-cxxobjs),$(m)))
-
-# C++ Object (.o) files compiled from .cc files
-host-cxxobjs	:= $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
-
-# Shared libaries (only .c supported)
-# Shared libraries (.so) - all .so files referenced in "xxx-objs"
-host-cshlib	:= $(sort $(filter %.so, $(host-cobjs)))
-# Remove .so files from "xxx-objs"
-host-cobjs	:= $(filter-out %.so,$(host-cobjs))
-
-#Object (.o) files used by the shared libaries
-host-cshobjs	:= $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
-
 # Add subdir path
 
 extra-y		:= $(addprefix $(obj)/,$(extra-y))
@@ -113,14 +83,6 @@ multi-objs-y	:= $(addprefix $(obj)/,$(multi-objs-y))
 multi-objs-m	:= $(addprefix $(obj)/,$(multi-objs-m))
 subdir-ym	:= $(addprefix $(obj)/,$(subdir-ym))
 obj-dirs	:= $(addprefix $(obj)/,$(obj-dirs))
-host-progs      := $(addprefix $(obj)/,$(host-progs))
-host-csingle	:= $(addprefix $(obj)/,$(host-csingle))
-host-cmulti	:= $(addprefix $(obj)/,$(host-cmulti))
-host-cobjs	:= $(addprefix $(obj)/,$(host-cobjs))
-host-cxxmulti	:= $(addprefix $(obj)/,$(host-cxxmulti))
-host-cxxobjs	:= $(addprefix $(obj)/,$(host-cxxobjs))
-host-cshlib	:= $(addprefix $(obj)/,$(host-cshlib))
-host-cshobjs	:= $(addprefix $(obj)/,$(host-cshobjs))
 
 # The temporary file to save gcc -MD generated dependencies must not
 # contain a comma
@@ -136,12 +98,8 @@ depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
 basename_flags = -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F)))
 modname_flags  = $(if $(filter 1,$(words $(modname))),-DKBUILD_MODNAME=$(subst $(comma),_,$(subst -,_,$(modname))))
 
-
 _c_flags       = $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o)
 _a_flags       = $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
-_hostc_flags   = $(HOSTCFLAGS)   $(HOST_EXTRACFLAGS)   $(HOSTCFLAGS_$(*F).o)
-_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) $(HOSTCXXFLAGS_$(*F).o)
-
 
 # If building the kernel in a separate objtree expand all occurrences
 # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
@@ -149,8 +107,6 @@ _hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) $(HOSTCXXFLAGS_$(*F).o)
 ifeq ($(KBUILD_SRC),)
 __c_flags	= $(_c_flags)
 __a_flags	= $(_a_flags)
-__hostc_flags	= $(_hostc_flags)
-__hostcxx_flags	= $(_hostcxx_flags)
 else
 
 # Prefix -I with $(srctree) if it is not an absolute path
@@ -164,8 +120,6 @@ flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
 # FIXME: Replace both with specific CFLAGS* statements in the makefiles
 __c_flags	= $(call addtree,-I$(obj)) $(call flags,_c_flags)
 __a_flags	=                          $(call flags,_a_flags)
-__hostc_flags	= -I$(obj)                 $(call flags,_hostc_flags)
-__hostcxx_flags	= -I$(obj)                 $(call flags,_hostcxx_flags)
 endif
 
 c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) \
@@ -175,9 +129,6 @@ c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) \
 a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) \
 		 $(__a_flags) $(modkern_aflags)
 
-hostc_flags    = -Wp,-MD,$(depfile) $(__hostc_flags)
-hostcxx_flags  = -Wp,-MD,$(depfile) $(__hostcxx_flags)
-
 ld_flags       = $(LDFLAGS) $(EXTRA_LDFLAGS)
 
 # Finds the multi-part object the current object will be linked into

scripts/basic/Makefile

@@ -11,8 +11,8 @@
 #                include/config/...
 # docproc:	 Used in Documentation/docbook
 
-host-progs	:= fixdep split-include docproc
-always		:= $(host-progs)
+hostprogs-y	:= fixdep split-include docproc
+always		:= $(hostprogs-y)
 
 # fixdep is needed to compile other host programs
 $(addprefix $(obj)/,$(filter-out fixdep,$(always))): $(obj)/fixdep

scripts/basic/fixdep.c

@@ -104,7 +104,7 @@
 #include <stdio.h>
 #include <limits.h>
 #include <ctype.h>
-#include <netinet/in.h>
+#include <arpa/inet.h>
 
 #define INT_CONF ntohl(0x434f4e46)
 #define INT_ONFI ntohl(0x4f4e4649)

scripts/genksyms/Makefile

 
-host-progs	:= genksyms
-always		:= $(host-progs)
+hostprogs-y	:= genksyms
+always		:= $(hostprogs-y)
 
 genksyms-objs	:= genksyms.o parse.o lex.o
 

scripts/kconfig/Makefile

@@ -67,7 +67,7 @@ help:
 
 libkconfig-objs := zconf.tab.o
 
-host-progs	:= conf mconf qconf gconf
+hostprogs-y	:= conf mconf qconf gconf
 conf-objs	:= conf.o  libkconfig.so
 mconf-objs	:= mconf.o libkconfig.so
 

scripts/kconfig/confdata.c

@@ -8,6 +8,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <unistd.h>
 
 #define LKC_DIRECT_LINK
@@ -268,6 +269,7 @@ int conf_write(const char *name)
 	char dirname[128], tmpname[128], newname[128];
 	int type, l;
 	const char *str;
+	time_t now;
 
 	dirname[0] = 0;
 	if (name && name[0]) {
@@ -301,14 +303,25 @@ int conf_write(const char *name)
 		if (!out_h)
 			return 1;
 	}
+	sym = sym_lookup("KERNELRELEASE", 0);
+	sym_calc_value(sym);
+	time(&now);
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
-		     "#\n");
+		     "# Linux kernel version: %s\n"
+		     "# %s"
+		     "#\n",
+		     sym_get_string_value(sym),
+		     ctime(&now));
 	if (out_h)
 		fprintf(out_h, "/*\n"
 			       " * Automatically generated C config: don't edit\n"
+			       " * Linux kernel version: %s\n"
+			       " * %s"
 			       " */\n"
-			       "#define AUTOCONF_INCLUDED\n");
+			       "#define AUTOCONF_INCLUDED\n",
+			       sym_get_string_value(sym),
+			       ctime(&now));
 
 	if (!sym_change_count)
 		sym_clear_all_valid();

scripts/lxdialog/Makefile

@@ -15,8 +15,8 @@ endif
 endif
 endif
 
-host-progs	:= lxdialog
-always		:= ncurses $(host-progs)
+hostprogs-y	:= lxdialog
+always		:= ncurses $(hostprogs-y)
 
 lxdialog-objs := checklist.o menubox.o textbox.o yesno.o inputbox.o \
 		 util.o lxdialog.o msgbox.o

scripts/mksysmap

+#!/bin/sh -x
+# Based on the vmlinux file create the System.map file
+# System.map is used by module-init tools and some debugging
+# tools to retreive the actual addresses of symbols in the kernel.
+#
+# Before creating the System.map file as a sideeffect check for
+# undefined symbols.
+# At least one version of the ARM bin-utils did not error out on
+# undefined symbols, so catch them here instead.
+
+# Usage
+# mksysmap vmlinux System.map
+
+
+#####
+# Check for undefined symbols.
+# Undefined symbols with three leading underscores are ignored since
+# they are used by the sparc BTFIXUP logic - and is assumed to be undefined.
+
+
+if [ "`$NM -u $1 | grep -v ' ___'`" != "" ]; then
+	echo "$1: error: undefined symbol(s) found:"
+	$NM -u $1 | grep -v ' ___'
+	exit 1
+fi
+
+#####
+# Generate System.map (actual filename passed as second argument)
+
+# $NM produces the following output:
+# f0081e80 T alloc_vfsmnt
+
+#   The second row specify the type of the symbol:
+#   A = Absolute
+#   B = Uninitialised data (.bss)
+#   C = Comon symbol
+#   D = Initialised data
+#   G = Initialised data for small objects
+#   I = Indirect reference to another symbol
+#   N = Debugging symbol
+#   R = Read only
+#   S = Uninitialised data for small objects
+#   T = Text code symbol
+#   U = Undefined symbol
+#   V = Weak symbol
+#   W = Weak symbol
+#   Corresponding small letters are local symbols
+
+# For System.map filter away:
+#   a - local absolute symbols
+#   U - undefined global symbols
+#   w - local weak symbols
+
+# readprofile starts reading symbols when _stext is found, and
+# continue until it finds a symbol which is not either of 'T', 't',
+# 'W' or 'w'. __crc_ are 'A' and placed in the middle
+# so we just ignore them to let readprofile continue to work.
+# (At least sparc64 has __crc_ in the middle).
+
+$NM -n $1 | grep -v '\( [aUw] \)\|\(__crc_\)' > $2
+

scripts/mod/Makefile

-host-progs	:= modpost mk_elfconfig
-always		:= $(host-progs) empty.o
+hostprogs-y	:= modpost mk_elfconfig
+always		:= $(hostprogs-y) empty.o
 
 modpost-objs	:= modpost.o file2alias.o sumversion.o
 

scripts/mod/sumversion.c

-#include <netinet/in.h>
+#include <arpa/inet.h>
 #include <stdint.h>
 #include <ctype.h>
 #include <errno.h>

scripts/package/Makefile

@@ -51,7 +51,7 @@ rpm-pkg rpm: $(objtree)/kernel.spec
 	$(RPM) --target $(UTS_MACHINE) -ta ../$(KERNELPATH).tar.gz
 	rm ../$(KERNELPATH).tar.gz
 
-clean-rule +=  rm -f $(objtree)/kernel.spec
+clean-files := $(objtree)/kernel.spec
 
 # binrpm-pkg
 .PHONY: binrpm-pkg
@@ -67,7 +67,7 @@ binrpm-pkg: $(objtree)/binkernel.spec
 
 	$(RPM) --define "_builddir $(srctree)" --target $(UTS_MACHINE) -bb $<
 
-clean-rule += rm -f $(objtree)/binkernel.spec
+clean-files += $(objtree)/binkernel.spec
 
 # Deb target
 # ---------------------------------------------------------------------------
@@ -77,7 +77,7 @@ deb-pkg:
 	$(MAKE)
 	$(CONFIG_SHELL) $(srctree)/scripts/package/builddeb
 
-clean-rule += && rm -rf $(objtree)/debian/
+clean-dirs += $(objtree)/debian/
 
 
 # Help text displayed when executing 'make help'

sound/oss/Makefile

@@ -103,7 +103,7 @@ sb_lib-objs	:= sb_common.o sb_audio.o sb_midi.o sb_mixer.o sb_ess.o
 vidc_mod-objs	:= vidc.o vidc_fill.o
 wavefront-objs  := wavfront.o wf_midi.o yss225.o
 
-host-progs	:= bin2hex hex2hex
+hostprogs-y	:= bin2hex hex2hex
 
 # Files generated that shall be removed upon make clean
 clean-files := maui_boot.h msndperm.c msndinit.c pndsperm.c pndspini.c \

usr/Makefile

 
 obj-y := initramfs_data.o
 
-host-progs  := gen_init_cpio
+hostprogs-y  := gen_init_cpio
 
 clean-files := initramfs_data.cpio.gz