scripts/Makefile.asm-generic

# include/asm-generic contains a lot of files that are used
# verbatim by several architectures.
#
# This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild
# and for each file listed in this file with generic-y creates
# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)

kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild
-include $(kbuild-file)

include scripts/Kbuild.include

# Create output directory if not already present
_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))

quiet_cmd_wrap = WRAP    $@
cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@

all: $(patsubst %, $(obj)/%, $(generic-y))
	@:

$(obj)/%.h:
	$(call cmd,wrap)
kbuild: asm-generic support There is an increasing amount of header files shared between individual architectures in asm-generic. To avoid a lot of dummy wrapper files that just include the corresponding file in asm-generic provide some basic support in kbuild for this. With the following patch an architecture can maintain a list of files in the file arch/$(ARCH)/include/asm/Kbuild To use a generic file just add: generic-y += <name-of-header-file.h> For each file listed kbuild will generate the necessary wrapper in arch/$(ARCH)/include/generated/asm. When installing userspace headers a wrapper is likewise created. The original inspiration for this came from the unicore32 patchset - although a different method is used. The patch includes several improvements from Arnd Bergmann. Michael Marek contributed Makefile.asm-generic. Remis Baima did an intial implementation along to achive the same - see https://patchwork.kernel.org/patch/13352/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz> 2011-04-27 22:29:49 +02:00			`# include/asm-generic contains a lot of files that are used`
			`# verbatim by several architectures.`
			`#`
			`# This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild`
			`# and for each file listed in this file with generic-y creates`
			`# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)`

			`kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild`
kbuild: Fix Makefile.asm-generic for um Do nothing if arch/$(SRCARCH)/include/asm/Kbuild does not exist, which is the case of um. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Michal Marek <mmarek@suse.cz> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Sam Ravnborg <sam@ravnborg.org> 2011-05-02 18:01:06 +02:00			`-include $(kbuild-file)`
kbuild: asm-generic support There is an increasing amount of header files shared between individual architectures in asm-generic. To avoid a lot of dummy wrapper files that just include the corresponding file in asm-generic provide some basic support in kbuild for this. With the following patch an architecture can maintain a list of files in the file arch/$(ARCH)/include/asm/Kbuild To use a generic file just add: generic-y += <name-of-header-file.h> For each file listed kbuild will generate the necessary wrapper in arch/$(ARCH)/include/generated/asm. When installing userspace headers a wrapper is likewise created. The original inspiration for this came from the unicore32 patchset - although a different method is used. The patch includes several improvements from Arnd Bergmann. Michael Marek contributed Makefile.asm-generic. Remis Baima did an intial implementation along to achive the same - see https://patchwork.kernel.org/patch/13352/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz> 2011-04-27 22:29:49 +02:00
			`include scripts/Kbuild.include`

			`# Create output directory if not already present`
			`_dummy := $(shell [ -d $(obj) ] \|\| mkdir -p $(obj))`

			`quiet_cmd_wrap = WRAP $@`
			`cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@`

			`all: $(patsubst %, $(obj)/%, $(generic-y))`
kbuild: silence Nothing to be done for 'all' message This patch silences a Makefile.asm-generic message by defining a dummy rule for all. make -f /usr/src/git/scripts/Makefile.asm-generic \ obj=arch/x86/include/generated/asm make[1]: Nothing to be done for `all'. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz> 2011-06-08 20:58:32 -04:00			`@:`
kbuild: asm-generic support There is an increasing amount of header files shared between individual architectures in asm-generic. To avoid a lot of dummy wrapper files that just include the corresponding file in asm-generic provide some basic support in kbuild for this. With the following patch an architecture can maintain a list of files in the file arch/$(ARCH)/include/asm/Kbuild To use a generic file just add: generic-y += <name-of-header-file.h> For each file listed kbuild will generate the necessary wrapper in arch/$(ARCH)/include/generated/asm. When installing userspace headers a wrapper is likewise created. The original inspiration for this came from the unicore32 patchset - although a different method is used. The patch includes several improvements from Arnd Bergmann. Michael Marek contributed Makefile.asm-generic. Remis Baima did an intial implementation along to achive the same - see https://patchwork.kernel.org/patch/13352/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz> 2011-04-27 22:29:49 +02:00
			`$(obj)/%.h:`
			`$(call cmd,wrap)`