/opt/pgi/linux86-64/7.0-3/lib/f90main.o(.text+0x3c): In function `main': : undefined reference to `MAIN_' /opt/openmpi/pgi/lib/libopen-pal.so.0: undefined reference to `__c_mcopy1' /opt/openmpi/pgi/lib/libopen-pal.so.0: undefined reference to `__mth_i_fixuk' make[2]: *** [dexe.grd] Error 2 make[2]: Leaving directory `/root/hpl/testing/ptest/Linux_PGI_ACML' make[1]: *** [build_tst] Error 2 make[1]: Leaving directory `/root/hpl' make: *** [build] Error 2