The glibc runtime required files is about 4MB total (uncompressed): libc, libm, libdl, ld.so (the runtime linker), libnss*, libcrypt, libidn, libpthread, librt,

The glibc runtime required files is about 4MB total (uncompressed): libc, libm, libdl, ld.so (the runtime linker), libnss*, libcrypt, libidn, libpthread, librt, libresolv, and a few others. The gcc runtime files by comparison are 12MB total (uncompressed): libstdc++ (7MB), libgcc_s (0.5MB), libasan (optional; 4.5MB).