[CMake] Question about INSTALL_COMMAND for ExternalProject_Add()

Sun Mar 10 10:47:26 EDT 2019

I finally got it working, for other who might have the same problem:

You just have to use

ExternalProject_Add(ftgl-dl

...

....

)

add_executable(Test01 ${SRC})

add_dependencies(Test01 ftgl-dl)

That all!

Happy coding!

best regards!

On 10.03.19 13:20, Workbench at gmx.at wrote:
>
> I got the problem solved again, but now i'm stuck... now i've the
> following:
>
>
> add_library(glad STATIC IMPORTED)
> set_target_properties(glad PROPERTIES IMPORTED_LOCATION
> ${LIB_DIR}/glad/lib/libglad.a)
>
> add_library(glfw3 STATIC IMPORTED)
> set_target_properties(glfw3 PROPERTIES IMPORTED_LOCATION
> ${LIB_DIR}/glew/lib/libglfw3.a)
>
>
> add_executable(Test01 source/test/Test01.cpp)
> target_link_libraries(Test01 PRIVATE glad glfw3)
>
> But now he can't find the header files which are also created after
> the configuration, how to solve this problem ??
>
> I hope you see i put much effort in this and find most of the problems
> alone, i hope this time someone can help me out.
>
>
> best regards!
>
>
> On 10.03.19 12:38, Workbench at gmx.at wrote:
>>
>> I came a step forward, now it looks like this:
>>
>> include(ExternalProject)
>> ExternalProject_Add(glfw3
>>     PREFIX ${CMAKE_BINARY_DIR}/glfw-log
>>     GIT_REPOSITORY https://github.com/glfw/glfw.git
>>     GIT_TAG 3.2.1
>>     SOURCE_DIR ${CMAKE_BINARY_DIR}/glfw
>>     UPDATE_COMMAND ""
>>     PATCH_COMMAND ""
>>     INSTALL_DIR ${CMAKE_BINARY_DIR}/glfw
>>     CMAKE_ARGS -DCMAKE_BUILD_TYPE:String={CMAKE_BUILD_TYPE}
>> -DCMAKE_INSTALL_PREFIX=${LIB_DIR}/glfw
>> )
>>
>> ExternalProject_Add(glad
>>     PREFIX ${CMAKE_BINARY_DIR}/glad-log
>>     GIT_REPOSITORY https://github.com/Dav1dde/glad.git
>>     GIT_TAG v0.1.29
>>     SOURCE_DIR ${CMAKE_BINARY_DIR}/glad
>>     UPDATE_COMMAND ""
>>     PATCH_COMMAND ""
>>     INSTALL_DIR ${CMAKE_BINARY_DIR}/glad
>>     CMAKE_ARGS -DCMAKE_BUILD_TYPE:String=${CMAKE_BUILD_TYPE}
>> -DCMAKE_INSTALL_PREFIX=${LIB_DIR}/glad -DGLAD_EXPORT=True
>> -DGLAD_INSTALL=True
>>     CONFIGURE_COMMAND ${CMAKE_BUILD_DIR}/
>>     INSTALL_COMMAND
>>         COMMAND ${CMAKE_COMMAND} -E copy
>> ${CMAKE_BINARY_DIR}/glad-log/src/glad-build/libglad.a
>> ${LIB_DIR}/glad/lib/libglad.a
>>         COMMAND ${CMAKE_COMMAND} -E copy_directory
>> ${CMAKE_BINARY_DIR}/glad-log/src/glad-build/include ${LIB_DIR}/glad/
>> )
>> find_package(glad REQUIRED)
>> find_package(glfw3 REQUIRED)
>> add_executable(Test01 source/test/Test01.cpp)
>> target_link_libraries(Test01 PRIVATE glad glfw3)
>>
>> But now i've the following problem, i get the error message:
>>
>> CMake Error at CMakeLists.txt:95 (find_package):
>>   By not providing "Findglad.cmake" in CMAKE_MODULE_PATH this project has
>>   asked CMake to find a package configuration file provided by
>> "glad", but
>>   CMake did not find one.
>>
>>   Could not find a package configuration file provided by "glad" with
>> any of
>>   the following names:
>>
>>     gladConfig.cmake
>>     glad-config.cmake
>>
>>   Add the installation prefix of "glad" to CMAKE_PREFIX_PATH or set
>>   "glad_DIR" to a directory containing one of the above files.  If "glad"
>>   provides a separate development package or SDK, be sure it has been
>>   installed.
>>
>> The problem is gladConfig.cmake is created after the configure
>> procedure, how can i solve this issue ??
>>
>>
>> best regards!
>>
>>
>>
>>
>> On 10.03.19 11:44, Workbench at gmx.at wrote:
>>>
>>> Now i've managed to create the right INSTALL_COMMAND but i don't
>>> know how to link with my executable. i tried
>>>
>>> add_executable(MyApp ${src})
>>>
>>> target_link_libraries(MyApp STATIC GLFW GLAD)
>>>
>>> and i get the following error message:
>>>
>>> CMake Error at CMakeLists.txt:96 (target_link_libraries):
>>>   Target "LIBGLAD" of type UTILITY may not be linked into another
>>> target.
>>>   One may link only to INTERFACE, OBJECT, STATIC or SHARED
>>> libraries, or to
>>>   executables with the ENABLE_EXPORTS property set.
>>>
>>>
>>> CMake Error at CMakeLists.txt:96 (target_link_libraries):
>>>   Target "LIBGLFW" of type UTILITY may not be linked into another
>>> target.
>>>   One may link only to INTERFACE, OBJECT, STATIC or SHARED
>>> libraries, or to
>>>   executables with the ENABLE_EXPORTS property set.
>>>
>>>
>>>
>>> target_link_libraries(M
>>>
>>> On 10.03.19 10:40, Workbench at gmx.at wrote:
>>>> Hi everyone,
>>>>
>>>> i've managed to use ExternalProject_Add to install GLFW but i have
>>>> troubles with glad...
>>>>
>>>> Here is my code for GLFW wich is working:
>>>>
>>>> include(ExternalProject)
>>>> ExternalProject_Add(GLFW
>>>>     PREFIX ${LIBDIR}/${CMAKE_BUILD_TYPE}/glfw-log
>>>>     GIT_REPOSITORY https://github.com/glfw/glfw.git
>>>>     GIT_TAG 3.2.1
>>>>     SOURCE_DIR ${CMAKE_BINARY_DIR}/glfw
>>>>     UPDATE_COMMAND ""
>>>>     PATCH_COMMAND ""
>>>>     INSTALL_DIR ${LIBDIR}/glfw
>>>>     CMAKE_ARGS -DCMAKE_BUILD_TYPE:String={CMAKE_BUILD_TYPE}
>>>> -DCMAKE_INSTALL_PREFIX=${LIB_DIR}/glfw
>>>> )
>>>>
>>>> Now i tried the same with GLAD but i had to add INSTALL_COMMAND to make
>>>> it work but i've no clue what i should enter there to install it the
>>>> same way i did with glfw..
>>>>
>>>> ExternalProject_Add(GLAD
>>>>     PREFIX ${LIBDIR}/${CMAKE_BUILD_TYPE}/glad-log
>>>>     GIT_REPOSITORY https://github.com/Dav1dde/glad.git
>>>>     GIT_TAG v0.1.29
>>>>     SOURCE_DIR ${CMAKE_BINARY_DIR}/glad
>>>>     UPDATE_COMMAND ""
>>>>     PATCH_COMMAND ""
>>>>     INSTALL_DIR ${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/glad
>>>>     CMAKE_ARGS -DCMAKE_BUILD_TYPE:String=${CMAKE_BUILD_TYPE}
>>>> -DCMAKE_INSTALL_PREFIX=${LIB_DIR}/glad
>>>>     INSTALL_COMMAND "??"
>>>> )
>>>>
>>>>
>>>> I hope someone can help me, i'm a bit clueless about this.
>>>>
>>>>
>>>> best regards!
>>>>
>>>>
>>>
>>
>
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