CODEWITHSUNDEEP
boostmakefileboost-asio
Catprog
Catprog

Reputation: 267

makefile for boost sockets

I am trying to make my first Makefile for a simple server using boost sockets.

I can get the code to run under windows.

To get it to run under linux I run the command

c++ -I /var/boost/boost_1_55_0/ Source.cpp -o source -lboost_system

I have a make file http://pastebin.com/QTms69Kd

However when I run it I get errors like undefined reference to `boost::system::generic_category()'

I got that error before when I forgot the boost_system in my command. What I am doing wrong?

Upvotes: 0

Views: 1220

Answers (1)

kenba
kenba

Reputation: 4549

Your Makefile looks right and I would normally expect it to work on linux.

You are right to link boost::system. The boost::asio library is "header only" but it uses the boost::system library for error messages, so boost::system must be linked into the build.

However, their are a couple of complications with linking boost libraries. Firstly the location of the library may be necessary in addition to the library itself, e.g.:

LDFLAGS := -L/path/to/boost_1_55_0/built_library_directory -lboost_system

Secondly, boost addd suffixes to the library names to define boost version and possibly the compiler.
So boost_system on Windows becomes:

libboost_system-vc140-mt-1_60.lib // MSVC 2015, boost 1.60
libboost_system-mgw49-mt-1_60.a   // MinGW, boost 1.60

Whilst on a Fedora installation (in /usr/lib64):

libboost_system.a
libboost_system.so // symbolic link to: 
libboost_system.so.1.60.0 // gcc, boost 1.60

So I think that your issue is not with your Makefile, but how you have built the boost libraries and where you have put them.

Also, why are you using such an old version of boost?

Upvotes: 1

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