Checking if your kit is complete... Looks good Writing Makefile for ExtUtils::F77 Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp F77.pm blib\lib\ExtUtils\F77.pm cp ._F77.pm blib\lib\ExtUtils\._F77.pm Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. C:\cpanrun\build\5-10-0\bin\perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib\lib', 'blib\arch')" t/*.t t/require....1..2 ExtUtils::F77: Version 1.16 Loaded ExtUtils::F77 version 1.16 ExtUtils::F77: Using system=MSWin32 compiler= ExtUtils::F77: Unable to guess and/or validate system/compiler configuration ExtUtils::F77: Will try system=Generic Compiler=G77 'g77' is not recognized as an internal or external command, operable program or batch file. Checking for gcc in disguise: Not gcc 'gcc' is not recognized as an internal or external command, operable program or batch file. ExtUtils::F77: Validating -L -L/usr/lib -lg2c -lm -L -lgcc [ok] ExtUtils::F77: There does not appear to be any configuration info about ExtUtils::F77: the F77 compiler name. Will assume 'f77'. ExtUtils::F77: Compiler: f77 ExtUtils::F77: Cflags: -O ok 1 'f77' is not recognized as an internal or external command, operable program or batch file. 2 WARNING: f77 -O -c hello.f returned non-zero exit status 1 FAILED test 2 Failed 1/2 tests, 50.00% okay Failed Test Stat Wstat Total Fail List of Failed ------------------------------------------------------------------------------- t/require.t 2 1 2 Failed 1/1 test scripts. 1/2 subtests failed. Files=1, Tests=2, 0 wallclock secs ( 0.00 cusr + 0.00 csys = 0.00 CPU) Failed 1/1 test programs. 1/2 subtests failed. NMAKE : fatal error U1077: 'C:\cpanrun\build\5-10-0\bin\perl.exe' : return code '0xff' Stop.