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Diffstat (limited to 'README.md')
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@@ -90,9 +90,25 @@ You can install a portable version of any provided toolchain (e.g., $ just-mr --main gcc-latest-musl install toolchain -D'{"ARCH":"x86_64"}' -o /opt/gcc ~~~ -*Note that the configuration variable `ARCH` should be set to the host -architecture. For installing a cross-compiler, you can additionally set -`BUILD_ARCH` to specify a different target architecture.* +*Note that the configuration variable `ARCH` should be set to the build host +architecture.* + +For installing a *cross compiler*, you can additionally set `BUILD_ARCH` to +specify the architecture the compiler should build for: + +~~~ sh +$ just-mr --main gcc-latest-musl install toolchain \ + -D'{"ARCH":"x86_64","BUILD_ARCH":"arm64"}' -o /opt/gcc-for-arm64 +~~~ + +For installing a *crossed native compiler*, you have to also set the variable +`TARGET_ARCH` (the architecture the compiler is build for) to the same value as +`BUILD_ARCH`: + +~~~ sh +$ just-mr --main gcc-latest-musl install toolchain \ + -D'{"ARCH":"x86_64","TARGET_ARCH":"arm64","BUILD_ARCH":"arm64"}' -o /opt/arm64-gcc-for-arm64 +~~~ ## Initial requirements |