| line | true | false | branch | 
 
| 439 | 1 | 0 | unless $system | 
 
| 440 | 0 | 1 | if $system =~ /Cygwin/ | 
 
| 441 | 1 | 0 | unless $compiler | 
 
| 443 | 1 | 0 | defined $compiler ? : | 
 
| 446 | 0 | 1 | if (defined $ENV{'F77LIBS'}) { } | 
 
| 454 | 1 | 0 | if (defined $compiler and defined $F77config{$system}) { } | 
 
| 456 | 0 | 1 | if ($flibs ne '') | 
 
| 463 | 0 | 0 | if $^O =~ /cygwin/i | 
 
| 464 | 0 | 0 | if $^O eq 'VMS' | 
 
| 467 | 0 | 0 | if ($compiler eq 'GNU') { } | 
 
| 471 | 0 | 0 | if $flibs ne '' | 
 
| 480 | 1 | 0 | unless ("$Runtime" ne '-LSNAFU -lwontwork' and $ok) | 
 
| 486 | 0 | 1 | $^O =~ /Freebsd/i ? : | 
 
|  | 0 | 1 | $Config{'cc'} =~ /\bgcc/ && $^O =~ /MSWin32/i ? : | 
 
| 492 | 0 | 1 | if $flibs ne '' | 
 
| 493 | 1 | 0 | unless $Runtime and $ok | 
 
| 503 | 0 | 1 | if (defined $F77config{$system}{$compiler}{'Trail_'}) { } | 
 
| 515 | 0 | 1 | if (defined $F77config{$system}{$compiler}{'Compiler'}) { } | 
 
| 526 | 0 | 1 | if (defined $F77config{$system}{$compiler}{'Cflags'}) { } | 
 
| 589 | 0 | 3 | ref $_[0] eq 'CODE' ? : | 
 
| 606 | 0 | 0 | if (m[/SC(\d)\.(\d)/?.*$]) | 
 
| 609 | 0 | 0 | if (m[/SC(\d)\.(\d)\.(\d)/?.*$]) | 
 
| 630 | 0 | 0 | if /^-L(.+)$/ and -d $1 | 
 
| 636 | 0 | 0 | if /^-L/ | 
 
| 637 | 0 | 0 | if $_ eq '-lm' | 
 
| 638 | 0 | 0 | if (/^-l(.+)$/) | 
 
| 641 | 0 | 0 | unless (any_exists($pat)) | 
 
| 647 | 0 | 0 | $ret ? : | 
 
| 665 | 0 | 0 | if (`${file}_exe` ne " Hello World\n") { } | 
 
| 674 | 0 | 0 | if -e "$file.o" | 
 
| 688 | 0 | 0 | if (not $isgcc and $^O ne 'VMS') | 
 
| 690 | 0 | 0 | if $Config{'gccversion'} | 
 
| 692 | 0 | 0 | if ($isgcc) { } | 
 
| 694 | 0 | 0 | unless $string =~ /\n$/ | 
 
| 700 | 0 | 0 | if ($isgcc or $flibs =~ /-lg2c/ or $flibs =~ /-lf2c/) { } | 
 
| 702 | 0 | 0 | if (not $fallback_compiler eq 'GFortran' && $^O =~ /MSWin/i) { } | 
 
| 720 | 0 | 5 | if ($^O =~ /mswin32/i) { } | 
 
| 727 | 0 | 19 | if exists $CACHE{$name} | 
 
| 729 | 0 | 133 | if (-x $dir . "/$name") | 
 
| 736 | 0 | 5 | if $^O eq 'VMS' | 
 
| 744 | 0 | 2 | if $^O =~ /MSWin32/i | 
 
| 755 | 2 | 0 | unless defined $compiler | 
 
| 764 | 0 | 0 | if (defined $dir and $dir ne "lib$test.a") { } | 
 
| 773 | 0 | 0 | if (defined $dir and $dir ne "lib$test.so") { } | 
 
| 789 | 0 | 0 | if ($Config{'osname'} =~ /darwin/ and $Config{'osvers'} >= 14 and $compiler eq 'gfortran' and $version >= 4.9) |