I'm working with Qt 4.8.3 and QtCreator, which I've compiled with msvc2010 as per the instructions here. Now however I need to link to GSL (Gnu Scientific Library), but currently I only know how to build it with g++ which produces linker errors just as described here, undoubtedly for the reason given in the answer by @EvanTeran. However, in my case, building Qt with g++ via cygwin is probably not an option--I've just come off a multi-day nightmare during which I tried to do just this, but could not, as recorded here. Surely there is a way to build gsl with msvc2010, but how? I have VS 2012 Express installed (though I've never used it before) in case there's a solution using it.
EDIT: Looking at CMake, it seems the best I can to is to manually create an entire hierarchy of CMakeLists.txt files for GSL. That's just a little too much so instead I've put a 100pt. bounty on the question mentioned above. Solving my problem the Visual Studio route (here) OR with g++ will get the bounty and the answer to both questions.
Update: The answer below worked great, but not seamlessly, possibly because I actually needed to compile under VS2012. A few tweaks to the code were required, such as explicit casts, which were tolerated under the previous compiler apparently but not mine. Otherwise things proceeded pretty smoothly.
I have implemented CMake build support for GSL here: https://github.com/ampl/gsl
CMake can either generate a Visual Studio solution or NMake makefiles. For example:
> git clone git://github.com/ampl/gsl.git
> cd gsl
> cmake .
-- Building for: Visual Studio 10
-- Check for working C compiler using: Visual Studio 10
-- Check for working C compiler using: Visual Studio 10 -- works
...
This generates the solution (GSL.sln
) and project files for Visual Studio 2010.
This CMake build script is now included in the contrib
directory of the GSL Git repository git://git.savannah.gnu.org/gsl.git
.
As of May 2014, building shared libraries (DLLs) is supported as well with GSL_SHARED
option.
You can use CMake and create your own build from this repository for whatever Visual Studio version you are using. Check out the answer by @vitaut for more details.
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