diff options
Diffstat (limited to 'genconfig.py')
| -rwxr-xr-x | genconfig.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/genconfig.py b/genconfig.py index c575c9a..ba2bb73 100755 --- a/genconfig.py +++ b/genconfig.py @@ -7,10 +7,18 @@ Generates a header file with #defines from the configuration, matching the format of include/generated/autoconf.h in the Linux kernel. -Optionally creates/updates a directory structure with one file per symbol that +Optionally, also writes the configuration output as a .config file. See +--config-out. + +Optionally, creates/updates a directory structure with one file per symbol that can be used to implement incremental builds. See the docstring for Kconfig.sync_deps() in kconfiglib.py. +Before writing a header file or other configuration output, Kconfiglib compares +the old contents of the file against the new contents. If there's no change, +the write is skipped. This avoids updating file metadata like the modification +time, and might save work depending on your build setup. + By default, the configuration is generated from '.config'. A different configuration file can be passed in the KCONFIG_CONFIG environment variable. """ |