[PATCHv2] kconfig: add some Kconfig env variables to make help

Sergey Senozhatsky
2024-02-22T03:26:06Z

Add a new section "Configuration environment variables" to
`make help` output in order to make it easier for people to
discover KCONFIG_WERROR, etc.

Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
---
scripts/kconfig/Makefile | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index ea1bf3b3dbde..0044d49e149c 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -158,6 +158,10 @@ help:
if help=$$(grep -m1 '^# Help: ' $(f)); then \
printf ' %-25s - %s\n' '$(notdir $(f))' "$${help#*: }"; \
fi;)
+ @echo ''
+ @echo 'Configuration environment variables:'
+ @echo ' KCONFIG_WERROR - Turn some Kconfig warnings into error conditions'
+ @echo ' KCONFIG_WARN_UNKNOWN_SYMBOLS - Make Kconfig warn about all unrecognized config symbols'

# ===========================================================================
# object files used by all kconfig flavours
--
2.44.0.rc0.258.g7320e95886-goog