macos - macOS Catalina 更改 clang sysroot 和 gxx-include-dir

Question

我升级到 macOS Catalina 10.15，导致一些头目录更改。

现在我找不到更改 clang 默认sysroot目录以及gxx-include-dir.

▶ gcc -v
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/4.2.1
Apple clang version 11.0.0 (clang-1100.0.33.8)
Target: x86_64-apple-darwin19.0.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

标签： macosclangmacos-catalina