Compiling C/C++ code

The present document compiles a list of guidelines, recommendations, and expectations around the topic of compiling C and C++ code against the Core SDK.


The Fuchsia sysroot for a given target architecture is available under //arch/<architecture>/sysroot. That directory contains a complete sysroot and may be used with any tool that accepts a --sysroot flag.


All prebuilts have C linkage.

Debug symbols

Debug symbols for all prebuilts are available under //.build-id, which follows a standard convention.

Compilation parameters

  • C++ sources must be compatible with C++17.

Warning flags

The following flags are guaranteed to not generate any warning: - -Wall - -Wctad-maybe-unsupported - -Wextra-semi - -Wnewline-eof - -Wnon-virtual-dtor - -Wshadow

The following flags may generate warnings: - -Wdeprecated-declarations