If you're a beginner and want to learn moreabout cmake, you may want to look into getting a book: Mastering CMake. The $"Īnd everything started to work as expected. The PATHS option is used after many other standard cmake searches (THIS IS QUITE IMPORTANT) The "advgetopt" is the name of the library being searched In this case, the find_library() sets the result of the search in the variable named ADVGETOPT_LIBRARY If that library has a subfolder that you need to put in your include path (for example -I/usr/include/glib-2.0 for GLib) youre on your own to figure it out. Failure to find Zlib will be reported during link stage. The CMake command findpackage will look for the configuration in a. targetlinklibrary (whateverProgram z) -lz is passed to linker and nothing else. I fixed the search implementation, to make it cleaner as a result, which is not a bad thing, but the problem was a -D on a cmake call that would define the value ahead of time. The recommended way to use the PROJ library in a CMake project is to link to the. By using CMAKEFINDROOTPATHBOTH the search order will be as described above. This behavior can be manually overridden on a per-call basis. The default behavior can be adjusted by setting CMAKEFINDROOTPATHMODELIBRARY.
CMAKE FIND LIBRARY WINDOWS
Today I spent hours trying to find out why one of my find_library() would fail. dll on windows Bo Zhou Tue, 22:48:02 -0700 Hi, This is a feature/problem on Windows, the library used for dynamic linking is not the runtime module as Linux or OSX but the. By default at first the directories listed in CMAKEFINDROOTPATH and then the non-rooted directories will be searched. Now, let's see what happened to me with the find_library() on that day. the next project that depends on it will fail a #include if the file was not installed in the distribution folder. That way I can at least partially verify that a project installs its header files (i.e.
CMAKE FIND LIBRARY INSTALL
That is, instead of trying to install under /usr/include or /usr/local/include or some other magical place, I like to have a distribution folder in under my own /home/alexis folder. This is where I install files while working. In most cases, once I set that one path, that's when things start working as expected. This variable is actually the one which makes things really work well. I Ubuntu, I am learning about cmake and make, and just trying a simple example. Without a matching prefix, it somehow gets ignored. C++ Cmake cannot find library using linkdirectories. This variable defines where to search for modules, but only if the prefix matches. But 99.9% of the time, these three are enough: Note that there are many other variables that can be used in the search which are listed on this page.
The CMake search algorithms are fairely simple, but it feels like each time I try to use them I make a small mistake and something goes wrong.įirst there are three very important variables that are used in the search.
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