Hi I tried to build openmpi-1.6.4a1r27766 on Solaris 10 Sparc and x86_64 with Sun C 5.12 and gcc-4.7.1 and got the following error for all combinations.
... CC vt_execwrap.lo "../../../../../../openmpi-1.6.4a1r27766/ompi/contrib/vt/vt/vtlib/vt_execwrap.c", line 187: warning: implicit function declaration: VTTHRD_MALLOC_TRACING_ENABLED "../../../../../../openmpi-1.6.4a1r27766/ompi/contrib/vt/vt/vtlib/vt_execwrap.c", line 358: undefined symbol: environ "../../../../../../openmpi-1.6.4a1r27766/ompi/contrib/vt/vt/vtlib/vt_execwrap.c", line 358: warning: improper pointer/integer combination: op "=" "../../../../../../openmpi-1.6.4a1r27766/ompi/contrib/vt/vt/vtlib/vt_execwrap.c", line 410: undefined symbol: environ "../../../../../../openmpi-1.6.4a1r27766/ompi/contrib/vt/vt/vtlib/vt_execwrap.c", line 410: warning: improper pointer/integer combination: op "=" cc: acomp failed for .../openmpi-1.6.4a1r27766/ompi/contrib/vt/vt/vtlib/vt_execwrap.c make[5]: *** [vt_execwrap.lo] Error 1 make[5]: Leaving directory `.../ompi/contrib/vt/vt/vtlib' make[4]: *** [all-recursive] Error 1 ... I would be grateful if you could solve the problem. Thank you very much for your help in advance. Kind regards Siegmar