[CMake] Freetype on linux systems in non-standard directories

[Kristian]

Hey Andreas,

thanks for your answer. Yes, that also works :)

2016-06-07 16:58 GMT-04:00 Andreas Naumann <Andreas-Naumann at gmx.net>:

> Hey Kristian,
>
> as the documentation
> https://github.com/Kitware/CMake/blob/master/Modules/FindFreetype.cmake
> at line 21 states, FREETYPE_DIR is an environment variable.
> So, if you change your line
> set(FREETYPE_DIR "/home/kristian/Documents/freetype/freetype")
> to
> set(ENV{FREETYPE_DIR} "/home/kristian/Documents/freetype/freetype")
> I would assume, your script will work.
>
> Hth,
> Andreas
>
> Am 07.06.2016 um 22:47 schrieb Kristian:
>
>> Hey guys,
>>
>> I wanted to try something out with CMake and latest version of freetype
>> (2.6.3). So I downloaded freetype, compiled it with the commands
>>
>> > ./configure --prefix=/home/kristian/Documents/freetype/freetype
>> > make
>> > make install
>>
>> After that, I created a small C++-file and a CMakeLists.txt. The C++-file
>> depends on freetype, so my CMakeLists.txt looks like this:
>>
>> =====
>>
>> > cmake_minimum_required(VERSION 3.5)
>> > project(freetype_ex)
>> >
>> > set(FREETYPE_DIR "/home/kristian/Documents/freetype/freetype")
>> > find_package(Freetype)
>> >
>> > set(SOURCES main.cpp)
>> >
>> > include_directories(${FREETYPE_INCLUDE_DIRS})
>> >
>> > add_executable(${PROJECT_NAME} ${SOURCES})
>> > target_link_libraries(${PROJECT_NAME} ${FREETYPE_LIBRARIES})
>>
>> =====
>>
>> But when calling cmake, I am getting this error:
>> =====
>>
>> > -- Could NOT find Freetype (missing: FREETYPE_LIBRARY
>> FREETYPE_INCLUDE_DIRS)
>> > CMake Error: The following variables are used in this project, but they
>> are set to NOTFOUND.
>> > Please set them or make sure they are set and tested correctly in the
>> CMake files:
>> > FREETYPE_LIBRARY (ADVANCED)
>> >     linked by target "freetype_ex" in directory
>> /home/kristian/Documents/freetype/cmake
>> >
>> > -- Configuring incomplete, errors occurred!
>> > See also
>> "/home/kristian/Documents/freetype/cmake/CMakeFiles/CMakeOutput.log".
>>
>> =====
>>
>> This sort of error seems for me to be a bug, because I would assume, that
>> when I set the variable FREETYPE_DIR, then CMake would also look at this
>> dir.
>>
>> I looked at the FindFreetype.cmake file (
>> https://github.com/Kitware/CMake/blob/master/Modules/FindFreetype.cmake)
>> and my first assumption is, that it would help, to add something like
>> ${FREETYPE_DIR} the the find_path calls.
>>
>> What do you think of this? Another idea is, to add another variable
>> instead of FREETYPE_DIR, e.g. FREETYPE_ROOT_DIR...
>>
>>
>>
> --
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