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The kernel module needs the version.h headers at build-time, but the
Makefile only generates it when the module is built with that Makefile,
because it has this rule:
build: version.h
make ${KERNEL_MAKE_OPTS} modules
So, we must explicitly build this header, which we do in a pre-build hook
to ensure it comes before the kernel-module's own hooks. This header needs
not be installed in staging.
However, the cryptodev.h header still needs to be installed in staging,
which we still do in a staging-install command.
The KERNEL_DIR and PREFIX variables are no longer needed, because we're
no longer calling the rules that needed them (build, above, and
modules_install, both now handled by the kernel-module infra).
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Doug: add pre-build hook to build version.h]
Signed-off-by: Doug Kehn <rdkehn@yahoo.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC.