How to build x86 and/or x64 on Windows from command line with CMAKE?
One way to get cmake to build x86 on Windows with Visual Studio is like so:
cmake -G "NMake Makefiles" path_to_source One way to get cmake to build x64 on Windows with Visual Studio is like so:
cmake -G "NMake Makefiles" path_to_source Using Cmake, how do I compile either or both architectures? (like how Visual Studio does it from in the IDE)
This cannot be done with CMake. You have to generate two separate build folders. One for the x86 NMake build and one for the x64 NMake build. You cannot generate a single Visual Studio project covering both architectures with CMake either.
To build Visual Studio projects from the command line for both 32-bit and 64-bit without starting a Visual Studio command prompt, use the regular Visual Studio generators:
mkdir build32 & pushd build32
cmake -G "Visual Studio 12 2013" path_to_source
popd
mkdir build64 & pushd build64
cmake -G "Visual Studio 12 2013 Win64" path_to_source
popd
cmake --build build32 --config Release
cmake --build build64 --config Release
CMake generated projects that use one of the Visual Studio generators can be built from the command line with using the option --build followed by the build directory. The --config options specifies the build configuration.
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