multi arch build of protobuf on macosx

[Romain Francois]

Hello,

Please bear with me if this is obvious ... I'm new to OSX.

Are there instructions somewhere to build protobuf for both i386 and
x86_64 architectures on OSX.

Also, on linux I can do :

$ pkg-config --libs protobuf
$ pkg-config --cflags protobuf

but OSX does not have pkg-config. I can get it through fink or something
but I wondered if there was some other way to grab the information.

Romain

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Romain Francois
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[Jason Hsueh]

Kenton, do you have any experience compiling protobufs on OSX?

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[Kenton Varda]

You can download and install pkg-config pretty easily.

Typically the only flags needed to link against libprotobuf are -lprotobuf, -lz, and whatever flags are required by pthreads on your system.  No cflags are required unless your headers were installed somewhere unusual (but you might want -pthread to ensure that GCC produces thread-safe code).  Note, though, that these requirements could change in the future, if libprotobuf gains other dependencies.