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I've read the CMake wiki on cross compiling with a tool chain file and seen other people discussing in the forums using CMake, so I'm optimistic that is can be done.ĬCS v5.4.0 for ARM Cortext R (Hercules RM46) CMake is an extensible, open-source system that manages the build process in an operating system and compiler-agnostic manner. I'm trying to use CMake to build my project and need some help. src/Īttention: CMake does not re-execute the configuration phase if the file containing the compilation chain configuration is modified.Other Parts Discussed in Thread: HALCOGEN $ cmake -DCMAKE_TOOLCHAIN_FILE=./bgq-toolchain.cmake. With CMake, you must create a file which describes the toolchain.īgq-toolchain.cmake set (CMAKE_SYSTEM_NAME BlueGeneQ-static ) set (COMPILER_SEARCH_PATHS /bglocal/fe/pub/Modules/IDRIS/wrappers/ ) find_program (CMAKE_C_COMPILER mpixlc_r $ ) SET_PROPERTY ( GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE ) SET_PROPERTY ( GLOBAL PROPERTY TARGET_ARCHIVES_MAY_BE_SHARED_LIBS FALSE ) set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER ) set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY ) set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY ) When creating an executable file on the BG/Q machine, you must cross compile on the front-end cross compilation.

CMAKE SET COMPILER INSTALL

If the library is not available on the machine, you can install it on your account or contact us. If not, you must consult the cache file, the CMakeLists.txt files or use the GUI (graphical user interface) to list the variables. They are often shown in the error message. Try running CMake like this instead: rm -rf build mkdir build cd build CCgcc CXXg++ cmake. Any time you change the compiler you have to wipe out the build tree and start from scratch. The names of the CMake variables depend on the libraries to be used. Please set CMAKECXXCOMPILER to a valid compiler path or > name. If the CMake variables have been set, it is not necessary to load the corresponding module. The module show command allows obtaining information about the installation paths of the products (libraries, tools, …) provided by IDRIS. $ cmake -DFFTW_INCLUDE_DIR=/smplocal/pub/FFTW/3.3.2/include -DFFTW_LIBRARY=/smplocal/pub/FFTW/3.3.2/lib. You must help CMake find the libraries by setting the CMake variables or by adapting the command files. When the library has already been installed on the IDRIS machine, you can try loading the modules necessary for the compilation before the execution of CMake but this will not be sufficient. This is why CMake does not always find the access paths to the libraries. cmakeminimumrequired(VERSION 2.6) SET(CMAKECCOMPILER C:/MinGW/bin/gcc) SET(CMAKECXXCOMPILER C:/MinGW/bin/g++) project(cmaketest) addexecutable(a.exe test.cpp) Calling cmake with: cmake -G 'MinGW Makefiles', it fails with the following output: c:\Users\le\projects\tests\buildSystemtest\cmaketest>cmake -G 'MinGW Makefiles'. I needed to make a small additional modification to CMakeLists.txt in the project source directory to get an executable built with debugging info and-O0 optimizations (on cmake version 2.8.12.2). However, they do not necessarily set the same environment variables which CMake uses to find libraries. Chips answer was helpful, however since the SET line overwrote CMAKECXXFLAGSDEBUG this removed the -g default which caused my executable to be built without debug info.

The modules directly add the access paths for the include and library files to the compiler arguments.

The command file names are in this form: FindLIBRARY.cmake.Īt IDRIS, the libraries are managed with the module tool. These command files can also be supplied with the product to be installed.

CMAKE SET COMPILER HOW TO

CMake automatically detects the libraries of the product to be installed as it uses internal commands which describe how to find libraries.