This repository contains an attempt to resurrect GCC for AIX5L IA64. Currently it consists of GCC 3.0.1 patched with Timothy Wall's patch from 2001, see here.
This is a part of a wider effort to revive AIX/ia64 started on NCommander's Discord. For more information, see the related wiki page.
A cross compiler can be built the usual way. For x86-64 hosts a 32-bit build using --build and --host set to i686-unknown-linux-gnu is required, since GCC 3.0.1 pre-dates x86-64 support in GCC.
Currently only an incomplete xgcc compiler build works due to issues preventing
C++ and libgcc build. This can be done like this, assuming $PREFIX is where binutils
2.12 targeting ia64-ibm-aix are:
$ ./fix-timestamps.sh
$ mkdir build && cd build
$ ../configure --prefix=$PREFIX --enable-languages=c -target=ia64-ibm-aix
$ make all-gcc
GCC 3 cannot recognize x86_64 systems, a workaround is running configure to target i686, provided you have a multilib system with corresponding development packages installed:
$ CC='gcc -m32' ../configure ... --build=i686-unknown-linux-gnu --host=i686-unknown-linux-gnu
See Issues in GitHub repository.