On macOS Catalina I have an old, pre-installed version of GCC (4.2.1) that is not compatible with other libraries that I need to use...
How can I upgrade to a more recent version (I need 4.4 at least)?
$ gcc --versionConfigured 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++/4.2.1Apple clang version 11.0.3 (clang-1103.0.32.29)Target: x86_64-apple-darwin19.4.0Thread model: posixInstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin