Thanks Alan, I re-downloaded the source code and the problem was solved.It's a bit strange.
> 2020年8月3日 下午10:04,Nii Jyeni <niijy...@hotmail.com> 写道: > > OS:MacOS > Nuttx:nightly > Arm-none-eabi-gcc:7.3.1 > > … > arning: /Library/Developer/CommandLineTools/usr/bin/ranlib: warning for > library: libbinfmt.a the table of contents is empty (no object file members > in the library define global symbols) > IN: binfmt/libbinfmt.a -> staging/libbinfmt.a > CC: board/stm32_boot.c > CC: board/stm32_bringup.c > CC: board/stm32_spi.c > CC: board/stm32_userleds.c > CC: board/stm32_appinit.c > CC: board/stm32_extmem.c > CC: board/stm32_lcd.c > CC: board/stm32_adc.c > ar rcs libboard.a stm32_boot.o stm32_bringup.o stm32_spi.o > stm32_userleds.o stm32_appinit.o stm32_extmem.o stm32_lcd.o stm32_adc.o > warning: /Library/Developer/CommandLineTools/usr/bin/ranlib: warning for > library: libboard.a the table of contents is empty (no object file members in > the library define global symbols) > LD: nuttx > arm-none-eabi-ld: warning: cannot find entry symbol __start; defaulting to > 0000000008000000 > > Does anybody know what's going on? > > > Enjoy your life! > --------------------------------------------- > Nii Jyeni > > 13880639629 > niijy...@hotmail.com > www.niijyeni.org > [https://a.gfx.ms/emoji_1F680.png]Sent from Outlook.com