Tried to install Curses module to AIX 5.3 with IBM C compiler. System info: $ oslevel 5.3.0.0 $ perl -version This is perl, v5.8.2 built for aix-thread-multi $ cc_r -version exec: /usr/bin/pg(/usr/bin/pg,/usr/lib/nls/msg/en_US/vac.help,NULL) C for AIX Compiler, Version 6 $ cc -version exec: /usr/bin/pg(/usr/bin/pg,/usr/lib/nls/msg/en_US/vac.help,NULL) C for AIX Compiler, Version 6 Error messages cc -c -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong -O -DVERSION=\"1.13\" -DXS_VERSION=\"1.13\" "-I/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE" Curses.c "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/embed.h", line 2894.9: 1506-236 (W) Macro name instr has been redefined. "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/embed.h", line 2894.9: 1506-358 (I) "instr" is defined on line 1064 of /usr/include/curses.h. "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/perlio.h", line 105.53: 1506-277 (S) Syntax error: possible missing ')' or ','? "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/perlio.h", line 108.59: 1506-277 (S) Syntax error: possible missing ')' or ','? "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/reentr.h", line 619.16: 1506-007 (S) "struct drand48_data" is undefined. "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/reentr.h", line 727.16: 1506-007 (S) "struct random_data" is undefined. "/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/reentr.h", line 775.16: 1506-007 (S) "struct random_data" is undefined. "CursesFun.c", line 1279.25: 1506-196 (W) Initialization between types "struct {...}*" and "struct _PerlIO**" is not allowed. "CursesFun.c", line 1280.25: 1506-196 (W) Initialization between types "struct {...}*" and "struct _PerlIO**" is not allowed. "CursesFun.c", line 3453.25: 1506-196 (W) Initialization between types "struct {...}*" and "struct _PerlIO**" is not allowed. "CursesFun.c", line 3472.25: 1506-196 (W) Initialization between types "struct {...}*" and "struct _PerlIO**" is not allowed. make: 1254-004 The error code from the last command is 1. Any input will help. Thanks,