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kbuild: introduce HDR_ARCH_LIST for headers_install_all

Using HDR_ARCH_LIST you can specify subset of architectures you want to get
headers for.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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commit f6820308e025d645d9d766c97586badd4ddb8754 1 parent 8990c1b
@kiryl kiryl authored michal42 committed
Showing with 4 additions and 3 deletions.
  1. +3 −2 Documentation/make/headers_install.txt
  2. +1 −1  scripts/headers.sh
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5 Documentation/make/headers_install.txt
@@ -39,8 +39,9 @@ INSTALL_HDR_PATH indicates where to install the headers. It defaults to
The command "make headers_install_all" exports headers for all architectures
simultaneously. (This is mostly of interest to distribution maintainers,
who create an architecture-independent tarball from the resulting include
-directory.) Remember to provide the appropriate linux/asm directory via "mv"
-or "ln -s" before building a C library with headers exported this way.
+directory.) You also can use HDR_ARCH_LIST to specify list of architectures.
+Remember to provide the appropriate linux/asm directory via "mv" or "ln -s"
+before building a C library with headers exported this way.
The kernel header export infrastructure is maintained by David Woodhouse
<dwmw2@infradead.org>.
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2  scripts/headers.sh
@@ -13,7 +13,7 @@ do_command()
fi
}
-archs=$(ls ${srctree}/arch)
+archs=${HDR_ARCH_LIST:-$(ls ${srctree}/arch)}
for arch in ${archs}; do
case ${arch} in
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