On 12 October 2017 at 19:16, CM Graff via cfarm-users <cfarm-users@lists.tetaneutral.net> wrote: > gcc111 uses gcc-4.8.1 so as an experiment I performed the following test: > > > wget http://ftp.gnu.org/gnu/gcc/gcc-4.8.1/gcc-4.8.1.tar.gz > gunzip gcc-4.8.1.tar.gz > tar -xf gcc-4.8.1.tar > cd gcc-4.8.1 > ./configure --prefix="${HOME}/testarea" > make -j2 >logfile 2>errlog > make install > > configure: error: Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC > 0.8.0+. > Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify [..] > > Gcc recommends that the local libraries libgmp, libmpfr and libmpc be > installed on the development machine, which they are, but they do not > coordinate with gcc-4.8.1.
Because you didn't tell GCC how to find the installed versions. > https://gcc.gnu.org/wiki/InstallingGCC > > "The difficult way, which is not recommended, is to download the > sources for GMP, MPFR and MPC, then configure and install each of them > in non-standard locations, then configure GCC with > --with-gmp=/some/silly/path/gmp [...]" > > I have no problem with both techniques of installing gcc, however many > modern guides, scripts and cross build systems assume the presence of > working gmp, mpfr and mpc as per the gcc documentation provided above. See https://gcc.gnu.org/wiki/CompileFarm#Building_GCC_on_AIX _______________________________________________ cfarm-users mailing list cfarm-users@lists.tetaneutral.net https://lists.tetaneutral.net/listinfo/cfarm-users
