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IBM XL Fortran Advanced Edition 8.1 for Mac OS X

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This software is still searched for, if you got a copy of this, please contact in the comments and/or upload this

Shortly after the introduction of the first PowerMac G5, in October 2003, IBM released a preview version of its XL C and Fortran compiler suite for the Mac OS X.

The final version of the compiler was released by IBM in January 2004 with the then brandnew G5 processor in mind, but is also working on G4 processors. Because of IBM's knowledge of its own PPC processors, the compiled code for the G4 and G5 is much faster than the same code compiled with the standard GNU Fortran compilers.
The compilers had to be ordered at IBM.

After Apple's announcement to switch from PPC-based to x86-based Macs in 2005, the IBM compilers were not longer available (there are now Intel compilers for C/C++ and Fortran available for Mac OS X instead). They were discontinued and are to be considered abandonware (latest versions of the compilers are for AIX, Linux and mainframes only (XLC: 12.1, XLFortran: V14.1)):
IBM's Announcement of Product Discontinuation

Information PDF

All the Manuals are available here: Fortran compiler.

Updates are still available on the IBM FTP server:

The Runtime environments are available here:
Fortran compiler

The compilers worked for Mac OS X 10.2 Jaguar and Mac OS X 10.3 Panther, for Mac OS X 10.4 Tiger, I found here a work-around.

See here for the C/C++ compiler sister product.

Architecture: PPC

Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger with workaround


Kitchen2010's picture
by Kitchen2010 - 2013, July 17 - 10:30am

If you have the preview or final version of this compiler, please upload this.

I set up this page for saving all the information, that I collected in this search thread, for future reference.

Zaiphaic's picture
by Zaiphaic - 2013, July 17 - 10:18am

Perhaps I’m blind, but where’s the actual compiler? Listed are manuals and updates, but not the compiler suite itself, right? (Same for the C++ compiler)