Search code examples
makefilebuildautotoolsconfigureautoconf

How to tell a configure script to use my own toolchain

I want to compile a program for the xtensa lx106 architecture.

This architecture does not appear inside config.guess or config.sub. So doing ./configure --host xtensa or similar produce an error.

How can I tell configure to use a toolchain (gcc, ld etc) that is installed on some arbitrary location on the filesystem?

Solution

  • Pass the CC, LD etc. variables on the configure command line usually does it:

    ./configure CC=x86_64-xtensa-linux-gnu-gcc LD=...

    Or whatever tool you want to use. See:

    https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/Compilers-and-Options.html