A recent version of gawk has been successfully compiled and run "make test" on the following: Using cc: Dec Alpha OSF 4.0 HP9000/755 HP-UX 9.01 IBM PowerPC AIX 4.1.4.0 SCO Unix (OpenServer 5) SGI IRIX 4.0.5 SGI IRIX 5.3 SGI IRIX 6.1 SGI IRIX 6.2 SunOS 4.1.3 SunOS 5.5 IBM SP2 AIX 4.1 Other systems: DEC Alpha Linux/AXP DEC Alpha OSF/1 3.2 DECstation 5000 ULTRIX 4.3 HP 9000/735 HP-UX 10.01 IBM RS/6000 AIX 3.2 IBM SP2 AIX 4.1 Intel x86 DOS (compiler: djgpp v2, emx+gcc, and MSC 6.00A, 7, and 8) Intel x86 Linux 2.0.27 Intel x86 Linux 2.1.36 Intel x86 OS+2 (compiler: emx+gcc) NeXT Turbostation Mach 3.3 SGI Indigo/2 IRIX 5.3 SGI O2 IRIX 6.2 SGI PowerChallenge IRIX 6.1 Sun SPARC Linux 2.0.22 Sun SPARC Solaris 2.5 Sun SPARC Solaris 2.5.1 Sun SPARC SunOS 4.1.3