https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87891
--- Comment #7 from Douglas Mencken <dougmencken at gmail dot com> --- So it’s not enough to just softlink ranlib, which is nothing more than alias to libtool, and libtool sees it is invoked as ranlib, and fails to work as "ranlib" when it’s powerpc64-unknown-darwin-ranlib $ ls -l /usr/bin/ranlib lrwxr-xr-x 1 root wheel 7 Jul 9 2014 /usr/bin/ranlib -> libtool That’s what you need to use sudo rm /usr/bin/powerpc64-unknown-darwin-ranlib sudo cat << EOF > /usr/bin/powerpc64-unknown-darwin-ranlib #!/bin/sh exec ranlib \${1+"\$@"} EOF sudo chmod +x /usr/bin/powerpc64-unknown-darwin-ranlib