Ben Shi b31199bab4 [AVR][clang] Improve search for avr-libc installation path ...

Search avr-libc path according to avr-gcc installation at first,
then other possible installed pathes.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D107682

2021-08-17 11:51:35 +08:00

..

opt/local

…

usr/avr

…