Sebastian Bøe 13a6840261 cmake: Re-organize syscall generation wrt. the build system ... This commit fixes https://github.com/zephyrproject-rtos/zephyr/issues/5008. It does so by splitting up gen_syscalls.py into two scripts with a json metadata file to communicate syscall metadata between them. The parsing script parses header files from include/ and writes syscall metadata to a file if the contents changed. The generation script reads from the json file and generates syscall code. The build system DAG now looks like this: always_rebuild -> json -> syscalls -> offset.o The script for generating json will do so only if the content changes, this ensures that the entire DAG does not always do a full rebuild. Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>		2017-12-04 10:51:07 -08:00
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boilerplate.cmake	cmake: Re-organize syscall generation wrt. the build system	2017-12-04 10:51:07 -08:00