2017-10-04 8:25 GMT+09:00 Ulf Magnusson <ulfalizer@xxxxxxxxx>: > This will catch mistakes like in the following real-world example, where > a "CONFIG_" prefix snuck in, making an undefined symbol the default: > > choice > prompt "Compiler optimization level" > default CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE > > config CC_OPTIMIZE_FOR_PERFORMANCE > ... > > config CC_OPTIMIZE_FOR_SIZE > ... > > endchoice > > This now prints the following warning: > > init/Kconfig:1036:warning: choice default symbol 'CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE' is not contained in the choice > > Cases where the default symbol belongs to the wrong choice are also > detected. > > (The mistake is harmless here: Since the default symbol is not visible, > the choice falls back on using the first visible symbol as the default, > which is CC_OPTIMIZE_FOR_PERFORMANCE, as intended.) > > Discovered while playing around with Kconfiglib > (https://github.com/ulfalizer/Kconfiglib). > > Signed-off-by: Ulf Magnusson <ulfalizer@xxxxxxxxx> > --- Applied to linux-kbuild/kconfig. Thanks! -- Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
