Determining if the include file linux/version.h exists failed with the following output:
Change Dir: /root/fastfetch/build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make -f Makefile cmTC_5729a/fast && /usr/bin/make  -f CMakeFiles/cmTC_5729a.dir/build.make CMakeFiles/cmTC_5729a.dir/build
make[1]: Entering directory '/root/fastfetch/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_5729a.dir/CheckIncludeFile.c.o
/usr/bin/cc    -o CMakeFiles/cmTC_5729a.dir/CheckIncludeFile.c.o -c /root/fastfetch/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/root/fastfetch/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: linux/version.h: No such file or directory
    1 | #include <linux/version.h>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [CMakeFiles/cmTC_5729a.dir/build.make:78: CMakeFiles/cmTC_5729a.dir/CheckIncludeFile.c.o] Error 1
make[1]: Leaving directory '/root/fastfetch/build/CMakeFiles/CMakeTmp'
make: *** [Makefile:127: cmTC_5729a/fast] Error 2