tmm1/perftools.rb — comment on commit 2d0e799d2bd8eb6aa61167169bea1f6b08af615e
File: ext/extconf.rb line 6
By bearded:

#{CWD}/mkmf.log ~> #{CWD}/src/mkmf.log

```
$ ls perftools.rb-0.5.6/ext/src/
google-perftools-1.6	google-perftools-1.6.tar.gz	mkmf.log

$ ls perftools.rb-2.0.0/ext/src/
gperftools-2.0	gperftools-2.0.tar.gz	mkmf.log
```