[Buildroot] [PATCH v2 1/2] package/linux-backports: use flex and bison to generate kconfig parser
Peter Korsgaard
peter at korsgaard.com
Sun Nov 15 15:09:22 UTC 2020
>>>>> "Julien" == Julien Olivain <ju.o at free.fr> writes:
> Upstream backports package does not define the LEX/YACC Makefile
> variables, contrary to the Kernel which is defining those in [1]. The
> default "lex" and "yacc" are then used. On some systems, "yacc" is
> Berkeley Yacc. Kconfig parser files are using non-Posix Bison
> constructs.
> Attempting to generate the parser with byacc fails with error:
> yacc: e - line 97 of "zconf.y", syntax error
> %destructor {
> ^
> This patch defines the LEX and YACC Makefile variable to use flex and
> bison, to fix this issue. The host-bison and host-flex dependencies are
> added only if the host does not have them, following the same logic of
> the Kernel.
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=73a4f6dbe70a1b93c11e2d1d6ca68f3522daf434
> Signed-off-by: Julien Olivain <ju.o at free.fr>
> ---
> Changes v1 -> v2:
> - Include suggestions from Yann:
> Follow the same logic as the Kernel for kconfig flex/bison.
Committed to 2020.02.x and 2020.08.x, thanks.
--
Bye, Peter Korsgaard
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