What is MCU? Microcontroller unit? What's the relationship to apt-get? The problem is just as the error message says. You can't build gcc without an existing C compiler. Perhaps your real problem is getting "apt-get install" to work, and not building gcc from scratch without an existing compiler. On Fri, Oct 15, 2021 at 1:27 PM 李金龙 via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > Dear Ladies or Gentelman: > > My MCU can’t connect to the ubuntu’s apt-source(like Ubuntu,aliyun,163 > etc). So It certainly can’t use the command “sudo apt-get install gcc" to > make it all right. > So I want to know how to install gcc in the way of offline in > ubuntu18.04. > I search the solution from the internet then find one: > https://blog.csdn.net/weixin_40671425/article/details/92762839. But > unfortunately, it worked wrong on the steps: " ./configure > --disable-multilib --prefix=/data2/upchen/MyPackages/gcc/gcc-5.4.0 > --enable-add-ons ". The result is as follows: > ---------------------linux@test:~/gcc-5.4.0$ ./configure > --disable-multilib --prefix=/data2/upchen/MyPackages/gcc/gcc-5.4.0 > --enable-add-ons > checking build system type... x86_64-unknown-linux-gnu > checking host system type... x86_64-unknown-linux-gnu > checking target system type... x86_64-unknown-linux-gnu > checking for a BSD-compatible install... /usr/bin/install -c > checking whether ln works... yes > checking whether ln -s works... yes > checking for a sed that does not truncate output... /bin/sed > checking for gawk... gawk > checking for libatomic support... yes > checking for libcilkrts support... yes > checking for libitm support... yes > checking for libsanitizer support... yes > checking for libvtv support... yes > checking for gcc... no > checking for cc... no > checking for cl.exe... no > configure: error: in `/home/linux/gcc-5.4.0': > configure: error: no acceptable C compiler found in $PATH > See `config.log' for more details. > > --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > the config.log is in attachment. > Thanks for the kind of selfless help in good faith. > > >
