[Driver] Update clang -B help message
authorFangrui Song <i@maskray.me>
Fri, 28 Jan 2022 03:05:10 +0000 (19:05 -0800)
committerFangrui Song <i@maskray.me>
Fri, 28 Jan 2022 03:05:10 +0000 (19:05 -0800)
commit232c601676a2940934d037b8c38efc24a2e269b1
tree8c75c042fc05870d90df82423ebcca7bc142265d
parent6d6c44a3f36f4854a567cbb2e1259a91ee0915ee
[Driver] Update clang -B help message

* After 3452a0d8c17f7166f479706b293caf6ac76ffd90 (2020-07), $prefix/$triple-$file is not searched.
* Unlike GCC, -B is not used for include paths. Seems nobody needs this behavior because there are more targeted options like --sysroot/-isystem
clang/include/clang/Driver/Options.td