Here is an example how to specify PATHS variable to make cmake be able to find library:
cmake find_package specify path
But how to get this PATHS variable for specific library?
For example I have installed apt-get install libharfbuzz-dev and dpkg -L libharfbuzz-dev shows me:
/usr
/usr/include
/usr/include/harfbuzz
/usr/include/harfbuzz/hb-blob.h
/usr/include/harfbuzz/hb-buffer.h
/usr/include/harfbuzz/hb-common.h
/usr/include/harfbuzz/hb-deprecated.h
/usr/include/harfbuzz/hb-face.h
/usr/include/harfbuzz/hb-font.h
/usr/include/harfbuzz/hb-ft.h
/usr/include/harfbuzz/hb-glib.h
/usr/include/harfbuzz/hb-gobject-enums.h
/usr/include/harfbuzz/hb-gobject-structs.h
/usr/include/harfbuzz/hb-gobject.h
/usr/include/harfbuzz/hb-graphite2.h
/usr/include/harfbuzz/hb-icu.h
/usr/include/harfbuzz/hb-ot-font.h
/usr/include/harfbuzz/hb-ot-layout.h
/usr/include/harfbuzz/hb-ot-math.h
/usr/include/harfbuzz/hb-ot-shape.h
/usr/include/harfbuzz/hb-ot-tag.h
/usr/include/harfbuzz/hb-ot-var.h
/usr/include/harfbuzz/hb-ot.h
/usr/include/harfbuzz/hb-set.h
/usr/include/harfbuzz/hb-shape-plan.h
/usr/include/harfbuzz/hb-shape.h
/usr/include/harfbuzz/hb-unicode.h
/usr/include/harfbuzz/hb-version.h
/usr/include/harfbuzz/hb.h
/usr/lib
/usr/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu/libharfbuzz-gobject.a
/usr/lib/x86_64-linux-gnu/libharfbuzz-icu.a
/usr/lib/x86_64-linux-gnu/libharfbuzz.a
/usr/lib/x86_64-linux-gnu/pkgconfig
/usr/lib/x86_64-linux-gnu/pkgconfig/harfbuzz-gobject.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/harfbuzz-icu.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/harfbuzz.pc
/usr/share
/usr/share/doc
/usr/share/doc/libharfbuzz-dev
/usr/share/doc/libharfbuzz-dev/copyright
/usr/share/gir-1.0
/usr/share/gir-1.0/HarfBuzz-0.0.gir
/usr/lib/x86_64-linux-gnu/libharfbuzz-gobject.so
/usr/lib/x86_64-linux-gnu/libharfbuzz-icu.so
/usr/lib/x86_64-linux-gnu/libharfbuzz.so
/usr/share/doc/libharfbuzz-dev/changelog.Debian.gz
Which path should I use?
Update:
Error message:
CMake Error at <some_path>/CMakeLists.txt:6 (find_package):
By not providing "FindHarfbuzz.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "Harfbuzz",
but CMake did not find one.
Could not find a package configuration file provided by "Harfbuzz" with any
of the following names:
HarfbuzzConfig.cmake
harfbuzz-config.cmake
Add the installation prefix of "Harfbuzz" to CMAKE_PREFIX_PATH or set
"Harfbuzz_DIR" to a directory containing one of the above files. If
"Harfbuzz" provides a separate development package or SDK, be sure it has
been installed.
I tried to add path via CMAKE_PREFIX_PATH like cmake .. -DCMAKE_PREFIX_PATH=/usr/lib/x86_64-linux-gnu but it doesn't help.
Related
I am getting the following CMake error:
CMake Error at CMakeLists.txt:23 (find_package):
By not providing "FindQt5.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "Qt5", but
CMake did not find one.
Could not find a package configuration file provided by "Qt5" with any of
the following names:
Qt5Config.cmake
qt5-config.cmake
Add the installation prefix of "Qt5" to CMAKE_PREFIX_PATH or set "Qt5_DIR"
to a directory containing one of the above files. If "Qt5" provides a
separate development package or SDK, be sure it has been installed.
In my CMakeLists.txt, there is this line:
if (NOT CMAKE_PREFIX_PATH)
message(WARNING "CMAKE_PREFIX_PATH is not defined, you may need to set it "
"(-DCMAKE_PREFIX_PATH=\"path/to/Qt/lib/cmake\" or -DCMAKE_PREFIX_PATH=/usr/include/{host}/qt{version}/ on Ubuntu)")
endif ()
So I did what it says and set my PREFIX_PATH to "/usr/include/x86_64-linux-gnu/qt5/".
However, the error I get says that CMake cannot find "qt5-config.cmake", which is located at "/usr/lib/x86_64-linux-gnu/cmake/Qt5" and not "/usr/include/x86_64-linux-gnu/qt5/", so I tried setting the "Qt5_DIR" to that directory (since it says in the error to set it to a dir that contains the above files) but still without success. Any ideas why it cant find the files it needs?
edit:
my CMakeLists.txt:
cmake_minimum_required(VERSION 3.19)
project(untitled1)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_PREFIX_PATH "/usr/lib/x86_64-linux-gnu/cmake/Qt5/")
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)
set(QT_VERSION 5)
set(REQUIRED_LIBS Core Gui Widgets)
set(REQUIRED_LIBS_QUALIFIED Qt5::Core Qt5::Gui Qt5::Widgets)
add_executable(${PROJECT_NAME} main.cpp)
if (NOT CMAKE_PREFIX_PATH)
message(WARNING "CMAKE_PREFIX_PATH is not defined, you may need to set it "
"(-DCMAKE_PREFIX_PATH=\"path/to/Qt/lib/cmake\" or -DCMAKE_PREFIX_PATH=/usr/include/{host}/qt{version}/ on Ubuntu)")
endif ()
find_package(Qt${QT_VERSION} COMPONENTS ${REQUIRED_LIBS} REQUIRED)
target_link_libraries(${PROJECT_NAME} ${REQUIRED_LIBS_QUALIFIED})
note that the file has been auto-generated by CLion, all I did was change the path according to what is specified in the if-Block
# Try to find IntelIPP
# Once done, this will define
#
# Ipp_FOUND - system has IntelIPP
# Ipp_INCLUDE_DIR - the IntelIPP include directories
# Ipp_LIBRARY - link these to use IntelIPP
include(LibFindMacros)
set(IPP_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../libs/intel/linux/intel_ipp)
# Include dir
find_path(Ipp_INCLUDE_DIR
NAMES ipp.h
PATHS ${IPP_ROOT_DIR}/include
)
find_library(Ipp_IRC_LIB
NAMES irc
PATHS ${IPP_ROOT_DIR}/lib/ia32
)
find_library(Ipp_MAT_LIB
NAMES ippm
PATHS ${IPP_ROOT_DIR}/lib/ia32
)
list(APPEND Ipp_LIBRARY ${Ipp_IRC_LIB} ${Ipp_MAT_LIB} )
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set Ipp_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(Ipp DEFAULT_MSG
Ipp_LIBRARY Ipp_INCLUDE_DIR)
# Set the include dir variables and the libraries and let libfind_process do the rest.
# NOTE: Singular variables for this library
set(Ipp_INCLUDE_DIRS ${Ipp_INCLUDE_DIR})
set(Ipp_LIBRARIES ${Ipp_LIBRARY})
My FindIpp.cmake script is shown above. On windows, I get
-- Could NOT find IPP (missing: IPP_INCLUDE_DIR IPP_LIBRARY). I've tested this under Linux and it works without any issues. In both cases, I'm trying to cross-compile using the QNX Momentics toolchain.
The ${CMAKE_CURRENT_SOURCE_DIR} is the location of the 'root' script which does include(FindIpp).
I've looked at the output of ${CMAKE_CURRENT_SOURCE_DIR} and the output of the relative paths to make sure that the files and folders exist in the reported paths. ${CMAKE_CURRENT_SOURCE_DIR}/../libs/intel shows up as C:/../libs/intel.
I use CMake 3.5 on Linux and CMake 3.6.1 on Windows 7.
From a cmd prompt, I could type in 'cd c:/libs/intel' without any issues.
I tried hardcoding the IPP_ROOT_DIR path to set(IPP_ROOT_DIR C:/libs/intel/linux/intel_ipp), tried adding quotes around the path, appended CACHE PATH "Description" to the set call. None of these worked.
I tried -GNinja, -G "MinGW Makefiles" and -G "Unix Makefiles". Still came up with:
-- Could NOT find IPP (missing: IPP_INCLUDE_DIR IPP_LIBRARY)
-- Could NOT find Mkl (missing: Mkl_LIBRARY Mkl_INCLUDE_DIR)
-- Could NOT find Boost (missing: Boost_LIBRARY Boost_INCLUDE_DIR)
-- Could NOT find GTest (missing: GTEST_LIBRARY GTEST_MAIN_LIBRARY)
Copying and pasting contents from individual files like FindIpp.cmake into the main CMakeLists.txt file finds the libraries, but not the path to includes. Now I've also added list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SRC_DIR}/CMake/Modules) to find my module files. If I remove that line, cmake throws an error at include(FindIpp).
Is there anything obvious that I'm doing wrong? Also, is this the way to write a find_library or find_path? Thanks
So the correct way to cross-compile to QNX from Windows and Linux:
cmake -DCMAKE_SYSTEM_NAME="QNX" -DCMAKE_SYSTEM_VERSION="660" -DCMAKE_SYSTEM_PROCESSOR="x86" -GNinja path_to_project
Where 660 is QNX version 6.6.0. I was using my own Toolchain file for QNX. This is not necessary. There is one already provided under share/cmake-/Modules/Platform. So as long as we define the above CMAKE variable somewhere, you should be good to go.
I'm new to CMake. I copied a small vtk example from the link http://www.vtk.org/Wiki/VTK/Examples/Cxx/IO/SimplePointsReader and used CMake to compile. And it gives me an error, " Error in configuration process, Project files may be invalid".
It shows me the errors,
CMake Error at CMakeLists.txt:5 (find_package): By not providing
"FindVTK.cmake" in CMAKE_MODULE_PATH this project has asked CMake to
find a package configuration file provided by "VTK", but CMake did
not find one.
Could not find a package configuration file provided by "VTK" with
any of the following names:
VTKConfig.cmake
vtk-config.cmake
Add the installation prefix of "VTK" to CMAKE_PREFIX_PATH or set
"VTK_DIR" to a directory containing one of the above files. If
"VTK" provides a separate development package or SDK, be sure it has
been installed.
I have already installed vtk in my pc and please help me with this problem.
CMakeLists.txt contains the following code
cmake_minimum_required(VERSION 2.8)
PROJECT(SimplePointsReader)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(SimplePointsReader MACOSX_BUNDLE SimplePointsReader)
if(VTK_LIBRARIES)
target_link_libraries(SimplePointsReader ${VTK_LIBRARIES})
else()
target_link_libraries(SimplePointsReader vtkHybrid vtkWidgets)
endif()
I've solved this problem by setting VTK_DIR=path_to_VTK/bin as an environment variable, because CMakeList.txt file's changing was not helpful.
I am creating an object tracking program which rely on OpenCV. Thus I want to be able to test it with different versions of OpenCV but I have linking errors.
I installed the last version of OpenCV (a69b435c928f422fb5f99c02cf2dcae57dcf820a) in the following folder : /usr/local/opencv/opencv-trunk instead of the usual /usr/local.
Then I followed also the official tutorial to use OpenCV with CMake in Linux, but I had the following "normal" error :
CMake Error at CMakeLists.txt:11 (find_package):
By not providing "FindOpenCV.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "OpenCV", but CMake did not find one.
Could not find a package configuration file provided by "OpenCV" with any of the following names:
OpenCVConfig.cmake
opencv-config.cmake
Add the installation prefix of "OpenCV" to CMAKE_PREFIX_PATH or set "OpenCV_DIR" to a directory containing one of the above files. If "OpenCV" provides a separate development package or SDK, be sure it has been installed.
-- Configuring incomplete, errors occurred!
So I did what was suggested and added the following line in my CMakeLists.txt :
# Find independently installed OpenCV libraries
set(OpenCV_DIR "/usr/local/opencv/opencv-trunk/share/OpenCV")
This is the complete CMakeLists.txt file :
# Find independently installed OpenCV libraries
set(OpenCV_DIR "/usr/local/opencv/opencv-trunk/share/OpenCV")
cmake_minimum_required(VERSION 2.8)
project( DisplayImage )
add_executable( DisplayImage DisplayImage.cpp )
find_package( OpenCV REQUIRED )
include_directories( ${OpenCV_INCLUDE_DIRS} )
target_link_libraries( DisplayImage ${OpenCV_LIBS} )
Now I have the following error and I don't find how to deal with it.
CMake Error at CMakeLists.txt:12 (find_package):
Found package configuration file:
/usr/local/opencv/opencv-trunk/share/OpenCV/OpenCVConfig.cmake
but it set OpenCV_FOUND to FALSE so package "OpenCV" is considered to be NOT FOUND.
-- Configuring incomplete, errors occurred!
If you have already faced that issue in such context your solutions are welcomed ;)
If you are running IntelliJ or any other IDE, just try re-building CMake cache (or just remove your build directory and run cmake utility again).
I believe this is not the best practice - to set the configuration variable like OpenCV_DIR hard-coded in the CMakeLists.txt. Try setting it manually, as an environment variable to the cmake utility:
OpenCV_DIR=/usr/local/Cellar/opencv3/3.1.0_2/share/OpenCV/ cmake ..
or set your IDE to make this for you:
I am using CMake to build a program on linux. The program compiles successfully and runs from the project build directory. The program is linked with a custom library in the directory ${HOME}/build/lib
I have an install stage with:
install(TARGETS ProgName RUNTIME DESTINATION bin)
When I run make install the program gets put in the correct place, but the cmake installer removes the runtime path from the binary.
-- Install configuration: "Debug"
-- Installing: *binary name*
-- Removed runtime path from "*binary name*"
I have read articles on the internet discussing the misuse of the LD_LIBRARY_PATH variable so I like to keep mine limited to system library locations if possible. I am not sysadmin so I cannot add the location to the default linker search path either.
Does anyone know how I can keep the development-time linking paths when installing or at least customising which paths are added to the runtime?
Cheers
Note: if you don't want to modify the cmake scripts themselves, setting property around, you can launch you cmake with a directive asking to not remove the runtime path:
See "Variables that Control the Build", with variable: "CMAKE_SKIP_RPATH"
If true, do not add run time path information.
If this is set to TRUE, then the rpath information is not added to compiled executables.
The default is to add rpath information if the platform supports it. This allows for easy running from the build tree.
To omit RPATH in the install step, but not the build step, use CMAKE_SKIP_INSTALL_RPATH instead.
If the deliveries already contained the right runtime path, that directive will avoid cmake to do any modification to the current runtime path included in said deliveries.
cmake -DCMAKE_SKIP_RPATH=ON xxx.cmake
You should look at set_target_properties command and the property BUILD_WITH_INSTALL_RPATH
http://www.cmake.org/cmake/help/cmake-2-8-docs.html#command:set_target_properties
This works for CMake 2.8
set_target_properties(foo PROPERTIES INSTALL_RPATH_USE_LINK_PATH TRUE)
where foo is the target you defined earlier:
project(foo)
add_executable(foo ...)
...
install(TARGETS foo DESTINATION bin)
...
Before
% sudo make install
Install the project...
-- Install configuration: ""
-- Installing: /opt/mystuff/bin/foo
-- Removed runtime path from "/opt/mystuff/bin/foo"
After
% sudo make install
Install the project...
-- Install configuration: ""
-- Installing: /opt/mystuff/bin/foo
-- Set runtime path of "/opt/mystuff/bin/foo" to "/opt/zzyzx/lib:/opt/bar/lib/x86_64"