Documentation in kbuild/headers_install.txt is not up to date regarding: - way to list the various architectures; - path where the headers are installed. This patch try to fix these issues. Cc: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> Cc: Michal Marek <mmarek@xxxxxxx> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> Cc: Rob Landley <rob@xxxxxxxxxxx> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> Signed-off-by: Yann Droneaud <ydroneaud@xxxxxxxxxx> --- Documentation/kbuild/headers_install.txt | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/Documentation/kbuild/headers_install.txt b/Documentation/kbuild/headers_install.txt index 951eb9f1e040..8b6751f10dd3 100644 --- a/Documentation/kbuild/headers_install.txt +++ b/Documentation/kbuild/headers_install.txt @@ -24,23 +24,24 @@ The "make headers_install" command can be run in the top level directory of the kernel source code (or using a standard out-of-tree build). It takes two optional arguments: - make headers_install ARCH=i386 INSTALL_HDR_PATH=/usr/include + make headers_install ARCH=i386 INSTALL_HDR_PATH=/usr ARCH indicates which architecture to produce headers for, and defaults to the -current architecture. The linux/asm directory of the exported kernel headers -is platform-specific, to see a complete list of supported architectures use +current architecture. The asm/ directory of the exported kernel headers +is platform-specific, to see a list of supported architectures use the command: - ls -d include/asm-* | sed 's/.*-//' + /bin/ls -1 arch/*/include/asm/Kbuild | sed -e 's,^arch/,,' \ + -e 's,/include/asm/Kbuild$,,' -INSTALL_HDR_PATH indicates where to install the headers. It defaults to -"./usr/include". +INSTALL_HDR_PATH indicates where to create include/ directory to install the +headers. It defaults to "./usr/". 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.) 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" +Remember to provide the appropriate 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 -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
