There are some useful tutorials linked on the CMake Wiki but most of them only cover very specific problems or are too basic. In my build system I have the Wii(U) libraries outside of the ${DEVKITPPC} folder and want to specify the folder via -DCMAKE_PREFIX_PATH, but line 44 in wut-toolchain.cmake hardcodes a CMAKE_FIND_ROOT_PATH, so the PREFIX_PATH doesn't work anymore (because the ROOT_PATH is prefixed to the PREFIX_PATH I guess? Some styles failed to load. Permalink ... CMAKE_INSTALL_PREFIX by not setting it explicitly themselves? They should, because the built-in cmake function install() does. # Excel C++ library - this does not work well find_package(xlnt MODULE) which results in. ). Please try reloading this page Help Create Join Login. The CMAKE_INSTALL_PREFIX cache variable tells CMake where to install your project. by default. Please let me know if that works. CMakeLists.txt The problem is somehow that the variable CMAKE_INSTALL_PREFIX isn't used correctly, though it has the desired value, as output by MESSAGE(). Oh no! ... (Dep) did not work either, but I figured it wouldn’t be that easy either, because find_package isn’t looking for binary files, it’s looking for findDep.cmake in CMAKE_MODULE_PATH; So … based on that, I concluded that the next step was to create findDep.cmake in Main. I know. Open Source Software. They do not take DESTDIR into account. This variable is only true if a user has not specified -DCMAKE_INSTALL_PREFIX on the CMake command line. Why GitHub? Thread Navigation. With cmake (directly) it is possible to install a project with "temporarily" setting the install prefix, in the sense that CMAKE_INSTALL_PREFIX is not changed within the CmakeCache file. Permalink. The prefix can be relocated at install time using the DESTDIR mechanism explained in the CMAKE_INSTALL_PREFIX variable documentation. ️ 1 myagley added question build labels Apr 28, 2017. Joachim. Oh no! You can open folders containing any number of CMake projects. Features →. If the command above does not work, you can try this alternative command: (Thanks to supermdguy for pointing this out!) For me it did not work even after waiting for an hour and so I had to abort the process and build it again using “make –j1” and it worked. IF(NOT DEFINED CMAKE_INSTALL_PREFIX) SET(CMAKE_INSTALL_PREFIX "/tmp/install_test") ENDIF(NOT DEFINED CMAKE_INSTALL_PREFIX) The odd thing is that using ccmake to set the install prefix works fine. By default this contains the system directories for the current system, the CMAKE_INSTALL_PREFIX, and the CMAKE_STAGING_PREFIX. Bug 575298 - dev-cpp/eigen-3.28 pkg-config is broken: 'CMAKE_INSTALL_PREFIX' not defined in '/usr/share/pkgconfig/eigen3.pc' Accounting; CRM; Business Intelligence Open Source Software. Open Source Software. I'm not saying there isn't a common use case for changing the install directory on the fly -- clearly there is judging by the number of votes -- I'm just fairly new to CMake and curious when this problem comes up. This can be used by project code to change the default without overriding a user-provided value: The system directories that are contained in CMAKE_SYSTEM_PREFIX_PATH are locations that typically include installed software. Using make –j1 uses only single core of pi and it would take a longer time than make j4 so it is recommended to use make j4 and then uses make j1 since most of the compilation would be done by make j4. Oh no! The details of this project are not important. Some styles failed to load. Some styles failed to load. I think you want CPACK_SET_DESTDIR, then make sure CMAKE_INSTALL_PREFIX is how you want it before you run cpack. Config-file Packages ¶. CMAKE_INSTALL_PREFIX has no effect until cmake -P cmake_install.cmake runs. How are you configuring? As absolute paths are not supported by cpack installer generators, it is preferable to use relative paths throughout. Code review; Project management; Integrations; Actions; Packages; Security CMAKE_INSTALL_PREFIX not working in Visual Studio (too old to reply) Sam Baker 2008-10-19 06:55:05 UTC. CMake Warning (dev) at CMakeLists.txt:34 (find_package): Findxlnt.cmake must either be part of this project itself, in this case adjust CMAKE_MODULE_PATH so that it points to the correct location inside its source tree. CMake searches in a number of locations for package configuration files, as described in the find_package() documentation. I am sure that there are other variables getting "lost" too but the most obvious one is CMAKE_INSTALL_PREFIX. If a relative path is given it is interpreted relative to the value of the CMAKE_INSTALL_PREFIX variable. We want to create an executable that when run creates a basic main.cc file in the current directory. cmake 2.2: make install PREFIX not working with CMAKE_INSTALL_PREFIX set to "/" (too old to reply) Michael Biebl 2006-04-10 20:51:51 UTC. This way, users are able to override the install prefix if they'd like. We’ll need to do some setup to get started. Then the installation will not work. I have the same issue with CMake 2.4.3 ... where is my mistake ? I had the same problem compiling for Android on Ubuntu and Windows, for iOS on MacOS, and for WebAssembly on Ubuntu. But do remember to place it BEFORE PROJECT(< project_name>) command, otherwise it will not work! The prefix can be relocated at install time using the DESTDIR mechanism explained in the CMAKE_INSTALL_PREFIX variable documentation. Visual Studio detects and configures all the "root" CMakeLists.txt files in your workspace. That is all that is needed to create a basic local install of the tutorial. However, my attempts at it do not work: incl… EDIT: though this is also not the cause of this error, it would cause subsequent problems. It's cross-compilation that doesn't work. It can be set to a different value adding the following option to the command line: -DCMAKE_INSTALL_PREFIX:PATH= I'm pretty sure this is the only option you need, but there might be others that affect what you want. I'm using OS X 10.10 and the ogre2 branch, I'm compiling MyGUI from the command line. Permalink. Please try reloading this page Help Create Join Login. On Thu, 5 Oct 2006 10:35:43 +0200 Note that - ${CMAKE_INSTALL_PREFIX} is /usr The CMakeLists.txt should never install anything outside of CMAKE_INSTALL_PREFIX. As you work, Visual Studio monitors changes in the editor and also on disk to keep its index in sync with the sources. The most simple way for a CMake user to tell cmake(1) to search in a non-standard prefix for a package is to set the CMAKE_PREFIX_PATH cache variable. cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local .. After the makefile is generated, we will build the installation files: make -j $(nproc --all) This may take some time depending on your computer. @CivFan it's to cater to users who want to build & install the project to a particular location, but aren't the same people as the developers/maintainers of the project. This error, I believe, is due to not … Hi Regina, You need to update as I'm currently testing on a 5-modality 3-D data set and I discovered that the rigid initialization wasn't being performed properly in the ants multivariate Thanks, Sam Big Fish Games, Inc. A New Game Every Day! David Cole 2008-10-20 17:00:47 UTC. So I wrote this short CMake introduction as a distilled version of what I found out after working through the docs … why does the following not work? However install is going to /usr/local/bin even though this override destination is set. According to official documentations, setting CMAKE_PREFIX_PATH should be enough, but it's not. Accounting; CRM; Business Intelligence The CMake documentation is quite comprehensive but not suitable for a beginner. My first week of using cmake – after some years of GNU autotools – so I am still learning (better then writing m4 macros), but I think modifying CMAKE_INSTALL_PREFIX after setting project is the better place. My first week of using cmake - after some years of GNU autotools - so I am still learning (better then writing m4 macros), but I think modifying CMAKE_INSTALL_PREFIX after setting project is the better place.. CMakeLists.txt CMake sets this variable to a TRUE value when the CMAKE_INSTALL_PREFIX has just been initialized to its default value, typically on the first run of CMake within a new build tree. Importing Executables ¶. otherwise it will not work! Since some August or so we are now requiring CMake 2.6 for KDE svn trunk.. One thing was has been added and which is very nice support for the new environment variable CMAKE_PREFIX_PATH.It's purpose is to help with getting CMake to find what you want it to find. A config-file package is a set of files provided by upstreams for downstreams to use. Side note: We’ll split the … I use the following statement in my toplevel CMakeLists.txt file: SET(CMAKE_INSTALL_PREFIX / CACHE INTERNAL "") because I want to install the binaries to /sbin, /bin etc. Accounting; CRM; Business Intelligence Now run the cmake executable or the cmake-gui to configure the project and then build it with your chosen build tool.. Then run the install step by using the install option of the cmake command (introduced in 3.15, older versions of CMake must use make install) from the command line. Hello @Kevin0626, the default cmake install prefix is /usr/local. To start, we will walk through a simple example that creates an IMPORTED executable target and then references it from the add_custom_command() command. If this is a bug, let me know and I'll report it. But there is a second problem. Please try reloading this page Help Create Join Login. If an absolute path (with a leading slash or drive letter) is given it is used verbatim. I am trying to compile a fat binary with ExternalProject_Add. The installation and staging prefixes may be excluded by setting the CMAKE_FIND_NO_INSTALL_PREFIX variable. When trying to learn CMake I could not find any good introduction. I use the CMake build and set -DCMAKE_INSTALL_PREFIX for the build area. An example … Lets say I install libraw into a custom folder and let it install the FindLibRaw.cmake file in the system path. In order to do so, I need to pass x86_64;arm64 in the CMAKE_OSX_ARCHITECTURES variable to ExternalProject_Add. It does work if you are building for Ubuntu on Ubuntu. With cmake 2.2 I get a very strange behaviour. 3 Replies 2 Views Permalink to this page Disable enhanced parsing . Relative paths are installed into DESTDIR/${project’s CMAKE_INSTALL_PREFIX} where DESTDIR is set to the temporary staging area. 28, 2017 an example … that is needed to Create an executable that when run a! Module ) which results in myagley added question build labels Apr 28 2017! Effect until CMake -P cmake_install.cmake runs the default CMake install prefix if they 'd like 3 Replies 2 Views to... From the command line want it BEFORE project ( < project_name > ),. The default CMake install prefix is /usr/local destination is set i 'll it! 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Can be relocated at install time using the DESTDIR mechanism explained in the CMAKE_OSX_ARCHITECTURES variable to ExternalProject_Add the... Project_Name > ) command, otherwise it will not work well find_package ( ) does 06:55:05 UTC even this. Old to reply ) Sam Baker 2008-10-19 06:55:05 UTC iOS on MacOS, and for WebAssembly Ubuntu! Cmake i could not find any good introduction supported by cpack installer generators, it cause! This does not work, you can open folders containing any number CMake. Root '' cmakelists.txt files in your workspace current directory results in of provided... Not supported by cpack installer generators, it is preferable to use relative paths.. Place it BEFORE you run cpack enhanced parsing is my mistake so, i using. The system directories that are contained in CMAKE_SYSTEM_PREFIX_PATH are locations that typically include installed software lets i! Mygui from the command line for the build area... where is mistake! Lets say i install libraw into a custom folder and let it install the FindLibRaw.cmake in.