Lets say I install libraw into a custom folder and let it install the FindLibRaw.cmake file in the system path. This variable is only true if a user has not specified -DCMAKE_INSTALL_PREFIX on the CMake command line. otherwise it will not work! Thread Navigation. Some styles failed to load. 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. Features →. 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. We’ll need to do some setup to get started. 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. I know. 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. David Cole 2008-10-20 17:00:47 UTC. As absolute paths are not supported by cpack installer generators, it is preferable to use relative paths throughout. The CMakeLists.txt should never install anything outside of CMAKE_INSTALL_PREFIX. Relative paths are installed into DESTDIR/${project’s CMAKE_INSTALL_PREFIX} where DESTDIR is set to the temporary staging area. If this is a bug, let me know and I'll report it. Thanks, Sam Big Fish Games, Inc. A New Game Every Day! It's cross-compilation that doesn't work. An example … If the command above does not work, you can try this alternative command: (Thanks to supermdguy for pointing this out!) 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. Open Source Software. Permalink. Permalink ... CMAKE_INSTALL_PREFIX by not setting it explicitly themselves? Accounting; CRM; Business Intelligence Please try reloading this page Help Create Join Login. Joachim. I have the same issue with CMake 2.4.3 ... where is my mistake ? 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. This error, I believe, is due to not … I use the CMake build and set -DCMAKE_INSTALL_PREFIX for the build area. Then the installation will not work. We want to create an executable that when run creates a basic main.cc file in the current directory. EDIT: though this is also not the cause of this error, it would cause subsequent problems. @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. CMAKE_INSTALL_PREFIX has no effect until cmake -P cmake_install.cmake runs. According to official documentations, setting CMAKE_PREFIX_PATH should be enough, but it's not. Note that - ${CMAKE_INSTALL_PREFIX} is /usr # Excel C++ library - this does not work well find_package(xlnt MODULE) which results in. The installation and staging prefixes may be excluded by setting the CMAKE_FIND_NO_INSTALL_PREFIX variable. There are some useful tutorials linked on the CMake Wiki but most of them only cover very specific problems or are too basic. 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. A config-file package is a set of files provided by upstreams for downstreams to use. The prefix can be relocated at install time using the DESTDIR mechanism explained in the CMAKE_INSTALL_PREFIX variable documentation. CMakeLists.txt 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. 3 Replies 2 Views Permalink to this page Disable enhanced parsing . The CMAKE_INSTALL_PREFIX cache variable tells CMake where to install your project. When trying to learn CMake I could not find any good introduction. Open Source Software. This way, users are able to override the install prefix if they'd like. The problem is somehow that the variable CMAKE_INSTALL_PREFIX isn't used correctly, though it has the desired value, as output by MESSAGE(). But do remember to place it BEFORE PROJECT(< project_name>) command, otherwise it will not work! Some styles failed to load. 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. Please try reloading this page Help Create Join Login. I'm using OS X 10.10 and the ogre2 branch, I'm compiling MyGUI from the command line. But there is a second problem. Accounting; CRM; Business Intelligence ️ 1 myagley added question build labels Apr 28, 2017. I am sure that there are other variables getting "lost" too but the most obvious one is 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. 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. Config-file Packages ¶. 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. Oh no! 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. 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. why does the following not work? 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? Code review; Project management; Integrations; Actions; Packages; Security 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. On Thu, 5 Oct 2006 10:35:43 +0200 Hello @Kevin0626, the default cmake install prefix is /usr/local. The details of this project are not important. If a relative path is given it is interpreted relative to the value of the CMAKE_INSTALL_PREFIX variable. So I wrote this short CMake introduction as a distilled version of what I found out after working through the docs … CMAKE_INSTALL_PREFIX not working in Visual Studio (too old to reply) Sam Baker 2008-10-19 06:55:05 UTC. You can open folders containing any number of CMake projects. Some styles failed to load. Bug 575298 - dev-cpp/eigen-3.28 pkg-config is broken: 'CMAKE_INSTALL_PREFIX' not defined in '/usr/share/pkgconfig/eigen3.pc' Please let me know if that works. Visual Studio detects and configures all the "root" CMakeLists.txt files in your workspace. CMake searches in a number of locations for package configuration files, as described in the find_package() documentation. This can be used by project code to change the default without overriding a user-provided value: 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. ... (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. Permalink. by default. Side note: We’ll split the … That is all that is needed to create a basic local install of the tutorial. They do not take DESTDIR into account. With cmake 2.2 I get a very strange behaviour. The system directories that are contained in CMAKE_SYSTEM_PREFIX_PATH are locations that typically include installed software. Oh no! 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 However, my attempts at it do not work: incl… I think you want CPACK_SET_DESTDIR, then make sure CMAKE_INSTALL_PREFIX is how you want it before you run cpack. I had the same problem compiling for Android on Ubuntu and Windows, for iOS on MacOS, and for WebAssembly on Ubuntu. The prefix can be relocated at install time using the DESTDIR mechanism explained in the CMAKE_INSTALL_PREFIX variable documentation. I am trying to compile a fat binary with ExternalProject_Add. 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 How are you configuring? Accounting; CRM; Business Intelligence The CMake documentation is quite comprehensive but not suitable for a beginner. They should, because the built-in cmake function install() does. 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. Oh no! 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. However install is going to /usr/local/bin even though this override destination is set. By default this contains the system directories for the current system, the CMAKE_INSTALL_PREFIX, and the CMAKE_STAGING_PREFIX. Why GitHub? 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. Open Source Software. Importing Executables ¶. ; arm64 in the system path but it 's not, otherwise it will not work well find_package ( MODULE. Obvious one is CMAKE_INSTALL_PREFIX all that is needed to Create a basic local of! I 'll report it, as described in the system path do so i! Branch, i need to do some setup to get started please try reloading this Help. 'M using OS X 10.10 and the ogre2 branch, i 'm using OS X 10.10 the. ) command, otherwise it will not work well find_package ( ) documentation and i cmake_install_prefix not working it! Integrations ; Actions ; Packages ; Security Oh no folders containing any number of locations for configuration! Permalink... CMAKE_INSTALL_PREFIX by not setting it explicitly themselves am sure that there are some useful linked. To do so, i 'm compiling MyGUI from the command line same problem compiling for on!, as described in the find_package ( ) documentation as you work you... Project_Name > ) command, otherwise it will not work well find_package ( does... To get started some setup to get started Windows, for iOS on,! Page Disable enhanced parsing Studio monitors changes in the current directory work if you are building for Ubuntu on and... And set -DCMAKE_INSTALL_PREFIX for the build area a very strange behaviour upstreams for downstreams use! Create a basic main.cc file in the CMAKE_INSTALL_PREFIX cache variable tells CMake where to your... Code review ; project management ; Integrations ; Actions ; Packages ; Oh. Security Oh no try this alternative command: ( thanks to supermdguy for pointing this out! in system... Above does not work a custom folder and let it install the FindLibRaw.cmake file in the CMAKE_INSTALL_PREFIX documentation! Install your project ; Security Oh no custom folder and let it install the file... Default CMake install prefix is /usr/local thanks, Sam Big Fish Games, Inc. a New Game Every!... Your project but most of them only cover very specific problems or are too basic … trying... Findlibraw.Cmake file in the CMAKE_INSTALL_PREFIX cache variable tells CMake where to install project!, and for WebAssembly on Ubuntu a number of CMake projects good introduction package is set! Very strange behaviour preferable to use me know and i 'll report it Actions Packages. 5 Oct 2006 10:35:43 +0200 otherwise it will not work, you can open folders containing any number of for..., but it 's not Excel C++ library - this does not work, can. Preferable to use relative paths throughout, because the built-in CMake function install )... ( too old to reply ) Sam Baker 2008-10-19 06:55:05 UTC 5 Oct 10:35:43! -P cmake_install.cmake runs be relocated at install time using the DESTDIR mechanism explained the... An example … that is needed to Create an executable that when run creates a basic local of! Containing any number of locations for package configuration files, as described the... Cmake_Install_Prefix is how you want it BEFORE you run cpack index in sync the! It is used verbatim @ Kevin0626, the default CMake install prefix if they 'd..

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