--enable-lto is enabled by default (check GCC configure script)
--enable-plugins is enabled by default (check GCC configure script)
*--disable-gnu-indirect-function is enabled by default since we're using musl (check https://gcc.gnu.org/install/configure.html)
--disable-libcilkrts: libcilkrts has been removed from GCC since 2017
--disable-threads is just an alias for --enable-threads=single
Removed unnecessary flags:
--enable-checking=releaseis enabled by default when GCC is being built from a release tarball (check https://gcc.gnu.org/install/configure.html)--enable-ltois enabled by default (check GCC configure script)--enable-pluginsis enabled by default (check GCC configure script) *--disable-gnu-indirect-functionis enabled by default since we're using musl (check https://gcc.gnu.org/install/configure.html)--disable-libcilkrts: libcilkrts has been removed from GCC since 2017--disable-threadsis just an alias for--enable-threads=single