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Diffstat (limited to 'docs/faq_build.md')
| -rw-r--r-- | docs/faq_build.md | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/faq_build.md b/docs/faq_build.md index 2d1b91b60d..7d17df0745 100644 --- a/docs/faq_build.md +++ b/docs/faq_build.md @@ -104,3 +104,17 @@ brew install dfu-programmer brew install gcc-arm-none-eabi brew install avrdude ``` + +### avr-gcc 8.1 and LUFA + +If you updated your avr-gcc to above 7 you may see errors involving LUFA. For example: + +`lib/lufa/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h:380:5: error: 'const' attribute on function returning 'void'` + +For now, you need to rollback avr-gcc to 7 in brew. + +``` +brew uninstall --force avr-gcc +brew install avr-gcc@7 +brew link avr-gcc@7 +``` |