I try to link Boost libraries in my CMakeList on Windows. Here is my code :
set(BOOST_ROOT C:/lib/boost_1_59_0)
set(BOOST_LIBRARYDIR C:/lib/boost_1_59_0/lib)
find_package(Boost COMPONENTS system REQUIRED)
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
target_link_libraries(${EXECUTABLE_NAME} ${Boost_LIBRARIES})
endif()
My folder "lib" contains all the lib build by bjam, including "libboost_system-vc140-mt-1_59.lib" and "libboost_system-vc140-mt-gd-1_59.lib".
It works for headers, but It doesn't find libs. I have this error :
Error:Unable to find the requested Boost libraries.
Boost version: 1.59.0
Boost include path: C:/lib/boost_1_59_0
Could not find the following Boost libraries:
boost_system
No Boost libraries were found. You may need to set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.
I try a lot of things (this is the first time I ask a question here, I really search a lot before asking) like "add_definitions(-DBOOST_ALL_NO_LIB)" or change the path to "C:\lib\boost_1_59_0" but I find nothing to fix it.
If anyone have an idea, I will thank him a lot !
CMake Configuration- Boost- Visual Studio - C++
Step 1: Download CMake installation file, install and save it in local disk
Step 2: Create 2 Folders in local disk a) Raw File b)Solution File
Step 3: Raw File folder- Create a Main.cpp file and paste your raw c++ code it it and save. Now in the same folder create a txt file named CMakeLists and paste the following code in it and save.
cmake_minimum_required(VERSION 3.7)
project (cmboosttest)
#find_package(Boost REQUIRED)
#include_directories(${Boost_INCLUDE_DIR})
add_executable(boosttest ${PROJECT_SOURCE_DIR}/Main.cpp)
Step 4: Open CMake choose Raw File folder in browse source and Solution File Folder in browse build.
Step 5: Click Configure. Once it succeeds, click Generate.
Step 6: When you open the Solution File folder, you can see the built solution file. Click on it and your program will open in Visual Studio. Now, build your program in VS.
Hope this helps!
Related
When i try to run cmake to build a project where i include the SFML library i get the following Error: SFML found but version too low (requested: 2.4, found: 1.x.x)
I downloaded only the source of the newest Version of the library (SFML-2.4.2). I than run cmake (with MinGW Makefiles) And build the binaries into the same folder.
I copied the FindSFML into an subfolder of my project.
After that i had the following folder structure
SFML-2.4.2\
cmake\
Modules\
FindSFML.cmake
CMakeFiles
doc
...
include
lib
src
..
sfml-games\
tetris\
cmake_modules\
FindSFML.cmake
CMakeLists.txt
main.cpp
tetris-build
...
My CMakeLists.txt contains the following stuff:
project(Tetris)
cmake_minimum_required(VERSION 2.8)
aux_source_directory(. SRC_LIST)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake_modules")
Find_package(SFML 2 REQUIRED system window graphics network audio)
include_directories(${SFML_INCLUDE_DIR})
add_executable(${PROJECT_NAME} ${SRC_LIST})
target_link_libraries(${PROJECT_NAME} ${SFML_LIBRARY})
I found that in cmake the entry CMAKE_INSTALL_PREFIX (which i dont get) is set to C:\Program Files (x86)\SFML so i put the library and the lib of SFML into C:\Program Files (x86)\SFML. (what is that CMAKE_INSTALL_PREFIX and should i realy always copy the library and lib folders into my C:\Program Files (x86)\ ??). Now my cmake runs through but when i try to compile the code i get a lot of undifined references to '_imp__....'
By the way on linux i just installed SFML via sudo apt-get install libsfml-dev and it works out of the box.
You're confusing things. CMAKE_INSTALL_PREFIX is the default location where to put SFML when you build the install target (i.e. running make install). This has nothing to do with your other issues.
You don't have to install SFML (or any other library) somewhere under C:\Program Files. That's completely up to you.
What I found to be rather neat is installing MinGW to C:\usr (or creating a symlink to your installation folder) and also use that path for CMAKE_INSTALL_PREFIX when building SFML.
This way MinGW should behave pretty much the way you're used to from Linux (i.e. not having to specify paths for include dir or libraries etc.).
As for your undefined reference errors, you should create a new question only asking for these (and then include at least a few of them), as they have nothing to do with the installation directory.
Right now I can only guess, but it's most likely due to you using the wrong CMake variables for the linker. You won't notice this on Linux, since SFML will be in the default search path (which will also happen if you use C:\usr as described above).
To try fixing this, use this line:
target_link_libraries(${PROJECT_NAME} ${SFML_LIBRARIES} ${SFML_DEPENDENCIES})
I have a CMake file which does this:
find_package(Boost COMPONENTS system filesystem)
add_library(MyModule MODULE main.cpp)
target_include_directories(MyModule PUBLIC ${Boost_INCLUDE_DIRS})
target_link_libraries(MyModule Boost::system Boost::filesystem)
I'm using VS 2017 as my generator. When I generate the project file with cmake, it finds boost_system-vc141-mt-1_63.lib and I can see that it is in the linking rules of the vcxproj. However, when I try to compile I get this error:
LINK : fatal error LNK1104: cannot open file 'libboost_system-vc140-mt-1_63.lib
Note the different generators (vc140 vs vc141). I know my compiler has output the right values because I built boost from source, so I tried to just rename vc141 to vc140, but the error stayed the same. I also confirmed that vc140 is not referenced in the project file.
What's going on? How can I force boost to link to the correct version?
When building with Visual Studio, boost has some pragma statements which do the linking for you. This is called "Auto-linking" and it over-rides any command-line arguments you may be passing to the linker.
The solution is to define BOOST_ALL_NO_LIB. This can be done in two ways:
In source code before including boost headers as #define BOOST_ALL_NO_LIB.
It could be added to your cmake file as: add_definitions("-DBOOST_ALL_NO_LIB").
As of CMake 3.5: Use the disable_autolinking imported target:
target_link_libraries(MyModule Boost::system Boost::filesystem Boost::disable_autolinking)
Trying to use Code::blocks with the library Eigen. Using windows vista. With some help from a forum I got this command to compile a sample program:
C:\Users\Me\Desktop\eigen>g++ -I C:\Users\Me\Desktop\eigen\eigen3
-o test2.exe C:\Users\Me\Desktop\eigen\test.cpp
But if I cd anywhere else (other than my folder containing test.cpp) and try to build, I get a permission denied error.
On code blocks I started a new project and went to Settings->Compiler->Linker settings->Link libraries-> and added C:\Users\Me\Desktop\eigen
And also added the same link under build options. I got this error:
C:\Users\Me\Desktop\GUI\vector\main.cpp|2|fatal error:
Eigen/Dense: No such file or directory|
The pages I followed were:
http://eigen.tuxfamily.org/dox/GettingStarted.html
https://github.com/Microsoft/AirSim/blob/master/docs/install_eigen.md
As eigen has already stated, all you have to do is copy the headers from the eigen folder to the include folder of your compiler (or just make sure your compiler can find your eigen folder).
Just copy the entire Eigen folder from drive/(where eigen is)/eigen/ to the include folder of code blocks in CodeBlocks\MinGW\include.
After that, all you have to do is make sure in Settings->Compiler in the Search directories tab, the compiler tab has the location to include and linker tab to lib, and the same goes for your build options.
There is absolutely no use of adding the Eigen folder to link libraries option of the linker tab, since Eigen has no libraries and works only with headers.
I used Cmake gui and the FindBoost module to add Boost as a dependency in my visual studio 2010 c++ project. I set the parameter that tells FindBoost to use the win32 thread library instead of pthread (because I'm running on windows). When i build my code, all the calls to boost libraries compile fine, but boost itself is having a compile error. its failing on
boost\thread\pthread\mutex.hpp line 11
cannot open include file: 'pthread.h': No such file or directory
If I could make it use the win32 library, the mutex.hpp (and all the other files) dont call pthread.h
How do I build so that it uses boost\thread\win32 ?
here is the section of my cmakelists.txt
# include boost
set(BOOST_ROOT "E:/boost_1_58_0/boost_1_58_0")
add_definitions( -DBOOST_ALL_NO_LIB )
find_package(Boost COMPONENTS thread system)
if(Boost_FOUND)
message(STATUS "Boost was found, Success!")
# telling it to use win32 threads not pthreads
set(Boost_THREADAPI "win32")
INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS})
LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})
endif()
CMake comes with a module called FindBoost which i used, and it correctly found the boost directory and set the following
Boost_INCLUDE_DIR
E:/boost_1_58_0/boost_1_58_0/
Boost_LIBRARY_DIR
E:/boost_1_58_0/boost_1_58_0/stage/lib
Boost_SYSTEM_LIBRARY_DEBUG
E:/boost_1_58_0/boost_1_58_0/stage/lib/boost_system-vc100-mt-gd-1_58.lib
Boost_SYSTEM_LIBRARY_RELEASE
E:/boost_1_58_0/boost_1_58_0/stage/lib/boost_system-vc100-mt-1_58.lib
Boost_THREAD_LIBRARY_DEBUG
E:/boost_1_58_0/boost_1_58_0/stage/lib/boost_system-vc100-mt-gd-1_58.lib
Boost_THREAD_LIBRARY_RELEASE
E:/boost_1_58_0/boost_1_58_0/stage/lib/boost_thread-vc100-mt-1_58.lib
visual studio project settings
C/C++ -> General -> Additional Include Directories:
...bunch of my other dependencies
E:\boost_1_58_0\boost_1_58_0
Linker -> General -> Additional Library Directories
E:/boost_1_58_0/boost_1_58_0/stage/lib;E:/boost_1_58_0/boost_1_58_0/stage/lib/$(Configuration);%(AdditionalLibraryDirectories)
Linker -> General -> Link Library Dependencies - No
Linker -> General -> Use LIbrary Dependency Inputs - No
Linker -> Input -> Additional Dependencies:
...bunch of my other .libs
boost_thread.lib
boost_system.lib
I fixed the error but I had try what I call the "dumb" way. The "smart" way didnt work. Smart way was reviewing several times the cmakelists code and the visual studio include library settings. i even did a clean and rebuild boost using b2 and manually set threading=multi and link=static because i thought maybe the library just wasnt built correct.
Finally i gave up and tried the dumb way: I cut and pasted the pthread folder and moved it somewhere else, so that it was no longer in the boost/thread folder, only the win32 folder.
I wish i tried it so long ago, because i didnt think that the compilation error would be due to my project's code, but rather an environment setting in the include and linking. But sure enough i got an error showing that in one of my project's files i was directly trying to include that mutex.hpp from the pthread folder. i didnt write this code (its open source) so i couldnt have exactly known, but still i want to slap myself
#include <boost/thread.hpp>
#include <boost/thread/pthread/mutex.hpp>
changing pthread to win32 made the error go away.
I am trying to use CMake with Qt and LuaJIT that will run on Visual Studio 2012. I managed somehow to run Qt, but i don't know how to add LuaJIT library to project. I am using source of LuaJIT cloned from http://luajit.org/git/luajit-2.0.git, which is build by running .bat file.
I dont care that LuaJIT will be build by CMake, i just need to link library and add headers to project.
I removed lib folder from my project... Is not worth troubles to have dependancies coupled with project whitout cmake file :D
My project hierarchy is:
+lib
-luajit-2.0
+src
-my sources
+ui
-ui files
-CMakeLists.txt
And CMakeLists.txt file looks like this:
cmake_minimum_required(VERSION 2.8.12)
set(PROJECT "Grapedit")
project(${PROJECT})
# Qt Stuff
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOMOC ON)
find_package(Qt5Widgets REQUIRED)
set(SOURCE_FILES
src/main.cpp
src/mainwindow.h
src/mainwindow.cpp
)
set(UI_FILES
ui/mainwindow.ui
)
source_group("UI Files" FILES ${UI_FILES})
qt5_wrap_ui(UI_HEADERS ${UI_FILES})
source_group("Generated UI Headers" FILES ${UI_HEADERS})
add_executable(${PROJECT} ${SOURCE_FILES} ${UI_HEADERS} ${UI_FILES})
qt5_use_modules(${PROJECT} Widgets)
My solution
So it is finally working and I made couple of newbie mistakes... :)
I will write them down for others:
didn't know what is find module... This will search environment and set up locations of libraries or flag that it didn't find them. Since LuaJIT is compatible with Lua51 you can use find_package(Lua51).
Your libraries must be some way visible to CMake. On Windows simplest way is to add them to PATH variable. Or you can add path of your libraries to CMake variable CMAKE_PREFIX_PATH. Open find module, for example FindLua51.cmake and you will see how must be your library organized. On windows I've must installed LuaJIT manualy - created LuaJIT folder and I've put *.h files to include subfolder, *.dll to bin subfolder and *.lib to lib subfolder. Then add bin folder to PATH and set LUA_DIR to LuaJIT folder.
use include_directories on include folder
then you must link libraries target_link_libraries, but after add_executable!
My CMakeLists.txt file:
cmake_minimum_required(VERSION 2.8.12)
# Declare project variables...
set (PROJECT "Grapedit")
set (
SOURCE_FILES
src/main.cpp
src/mainwindow.h
src/mainwindow.cpp
)
set(UI_FILES
ui/mainwindow.ui
)
# Set project name
project(${PROJECT})
# Include Lua directories
include_directories(${LUA_INCLUDE_DIR})
# Qt Stuff
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOMOC ON)
# Find packages...
# Will find also LuaJIT, but must be named same as Lua51 and installed into directories
find_package(Lua51)
# Find Qt modules, every module separately
find_package(Qt5Widgets REQUIRED)
# Create nice groups in IDEs
source_group("UI Files" FILES ${UI_FILES})
source_group("Generated UI Headers" FILES ${UI_HEADERS})
# Use Qt UI files
qt5_wrap_ui(UI_HEADERS ${UI_FILES})
# Create executable
add_executable (
${PROJECT}
${SOURCE_FILES}
${UI_HEADERS}
${UI_FILES}
)
# Link libraries...
# Must be after executable is created!
# Link Qt modules
qt5_use_modules (
${PROJECT}
Widgets
)
# Link Lua
target_link_libraries(${PROJECT} ${LUA_LIBRARIES})
# Will not show new windows prompt when running program
if (MSVC)
set_target_properties(${PROJECT} PROPERTIES
WIN32_EXECUTABLE YES
LINK_FLAGS "/ENTRY:mainCRTStartup"
)
endif ()
You are missing the actual linkage which you can amend with the following statement:
target_link_libraries(${PROJECT} luajit-5.1)
For sure, it would be even better if this lua jit could have a cmake find module, or config/version file depending on its exact build system.
You could grab the find module from here:
https://github.com/brimworks/lua-zlib/blob/master/cmake/Modules/FindLuaJIT.cmake
Then you could link against it as follows:
target_link_libraries(${PROJECT} ${LUA_LIBRARIES})
You can see that it would become more dynamic this way rather than hard-coding the exact name. The details for figuring out that would be left with the find module.
Note that you would probably need to use the corresponding variables for the header inclusion then as follows:
include_directories(${LUA_INCLUDE_DIR})
This will take care of automatically finding the include directory, respectively, without you hard-coding it.
You would also need to add the following line into your CMakeLists.txt:
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
and you need to place the downloaded find module into a "cmake" subfolder.
Please refer to the following page for further details about this topic in general:
CMake:How To Find Libraries