On Sat, 9 Jan 2021, 03:01 xian li via Gcc-help, <gcc-help@xxxxxxxxxxx> wrote: > Hi, > > On my computer, there is already existing aarch64-linux-gnu toolchain, > but we have to modify codes in stdc++ lib in gcc (5.4), > we just want to compile the stdc++ library alone, is it possible to > accomplish this work? > This is not supported. The only supported way to build libstdc++ is as part of building GCC. > >