zerebubuth/openstreetmap-cgimap — pull request #32 by springmeyer (2013-07-24 19:44:37+00:00)
Title: Fixes to compile and link on OS X

Building master on OS X I hit the below errors which are both fixed by this pull request:

```sh
main.cpp:468:3: error: use of undeclared identifier 'sigemptyset'
sigemptyset(&sa.sa_mask);
^
```

And

```sh
CXXLD ../map
Undefined symbols for architecture x86_64:
"boost::system::system_category()", referenced from:
boost::mutex::unlock() in backend.o
boost::unique_lock::lock() in backend.o
boost::mutex::lock() in backend.o
boost::mutex::mutex() in backend.o
__GLOBAL__I_a in backend.o
"boost::system::generic_category()", referenced from:
__GLOBAL__I_a in backend.o
ld: symbol(s) not found for architecture x86_64
```