Mike Nolta 5f846be2e4 fix fortran compiler detection on FreeBSD ...

On FreeBSD, passing extra options to `which` causes it to report a non-zero status:

```
$ which gfortran48 -m64
/usr/local/bin/gfortran48
$ echo $?
1
```

```
$ which gfortran48
/usr/local/bin/gfortran48
$ echo $?
0
```

2014-12-02 20:47:40 -05:00

6.8 KiB

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