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diff --git a/docs/platform_specific_build_instructions.md b/docs/platform_specific_build_instructions.md new file mode 100644 index 0000000..2d5d6c4 --- /dev/null +++ b/docs/platform_specific_build_instructions.md @@ -0,0 +1,48 @@ +# Platform Specific Build Instructions + +## Building with GCC + +When the library is built using GCC it is necessary to link with the pthread +library due to how GCC implements `std::thread`. Failing to link to pthread will +lead to runtime exceptions (unless you're using libc++), not linker errors. See +[issue #67](https://github.com/google/benchmark/issues/67) for more details. You +can link to pthread by adding `-pthread` to your linker command. Note, you can +also use `-lpthread`, but there are potential issues with ordering of command +line parameters if you use that. + +On QNX, the pthread library is part of libc and usually included automatically +(see +[`pthread_create()`](https://www.qnx.com/developers/docs/7.1/index.html#com.qnx.doc.neutrino.lib_ref/topic/p/pthread_create.html)). +There's no separate pthread library to link. + +## Building with Visual Studio 2015 or 2017 + +The `shlwapi` library (`-lshlwapi`) is required to support a call to `CPUInfo` which reads the registry. Either add `shlwapi.lib` under `[ Configuration Properties > Linker > Input ]`, or use the following: + +``` +// Alternatively, can add libraries using linker options. +#ifdef _WIN32 +#pragma comment ( lib, "Shlwapi.lib" ) +#ifdef _DEBUG +#pragma comment ( lib, "benchmarkd.lib" ) +#else +#pragma comment ( lib, "benchmark.lib" ) +#endif +#endif +``` + +Can also use the graphical version of CMake: +* Open `CMake GUI`. +* Under `Where to build the binaries`, same path as source plus `build`. +* Under `CMAKE_INSTALL_PREFIX`, same path as source plus `install`. +* Click `Configure`, `Generate`, `Open Project`. +* If build fails, try deleting entire directory and starting again, or unticking options to build less. + +## Building with Intel 2015 Update 1 or Intel System Studio Update 4 + +See instructions for building with Visual Studio. Once built, right click on the solution and change the build to Intel. + +## Building on Solaris + +If you're running benchmarks on solaris, you'll want the kstat library linked in +too (`-lkstat`).
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