GeoIP.h: No such file or directory about geoip HOT 6 CLOSED

You need to install the geoip development package. (geoip-devel or libgeoip-dev or some such).

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Ok seems this is then an extra dependency that I have to take care of. Because I'm doing development on Mac but deploying on a Linux machine. Will have a look.

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Ah, installing geoip via macports should work then. Do you use something else?

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The default flags that it compiles with are

#cgo CFLAGS: -I/opt/local/include -I/usr/local/include -I/usr/include
#cgo LDFLAGS: -lGeoIP -L/opt/local/lib -L/usr/local/lib -L/usr/lib

So the headers and library file needs to be found there.

Beware that cgo doesn't support cross compilations, so you can't compile linux binaries for your program on OS X. (But geoip works fine on OS X, that's how I develop too and then deploy on Linux and FreeBSD).

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Thanks for the info @abh. Just one question, I've found this https://github.com/nranchev/go-libGeoIP. This just implement it instead of using the C library. Is your choice better? or is there any reason you're using the c library?

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@fatih I think I also tried go-libGeoIP briefly and it didn't work for me right away. Re-using the C library means "less new code" which was important for me in my first use case (the GeoDNS server), so using cgo made more sense. Also when I started I wasn't very good at Go (this was the first thing I did after "Hello World" because it was a dependency for me for the real project), so wrapping C was easier than writing a lot of Go. :-)

There are tradeoffs either way, I haven't done any benchmarks.

Whichever one you use will be good for the community as long as you report any bugs you find and send patches if you can. :-)

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