[ 31%] Building CXX object src/CMakeFiles/zdoom.dir/posix/sdl/i_joystick.cpp.o
src/CMakeFiles/zdoom.dir/build.make:191: recipe for target 'src/CMakeFiles/zdoom.dir/posix/sdl/hardware.cpp.o' 
failed
make[2]: *** [src/CMakeFiles/zdoom.dir/posix/sdl/hardware.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/scripting/vm/vm.h:6:0,
                 
from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./dobjtype.h:18,
                 from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./dobject.h:373,
                 
from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./m_argv.h:37,
                 from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/posix/sdl/i_input.cpp:7:

/home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./vectors.h: In member function 
‘void TVector3<vec_t>::GetRightUp(TVector3<vec_t>&, TVector3<vec_t>&)’:

/home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./vectors.h:538:28: error: ‘FLT_EPSILON’ 
was not declared in this scope
   if (fabs(fn[0] - 1.0f) < FLT_EPSILON || fabs(fn[1] - 1.0f) < FLT_EPSILON || fabs(fn[2] - 1.0f) 
< FLT_EPSILON)
                            ^
In file included from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/textures/textures.h:5:0,
                 
from /home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/posix/sdl/i_gui.cpp:10:

/home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./vectors.h: In member function 
‘void TVector3<vec_t>::GetRightUp(TVector3<vec_t>&, TVector3<vec_t>&)’:

/home/mchan223/doom/gzdoom-60fd79ce23f797cc73e89a8febffbcf1f946d2db/src/./vectors.h:538:28: error: ‘FLT_EPSILON’ 
was not declared in this scope
   if (fabs(fn[0] - 1.0f) < FLT_EPSILON || fabs(fn[1] - 1.0f) < FLT_EPSILON || fabs(fn[2] - 1.0f) 
< FLT_EPSILON)
                            ^
src/CMakeFiles/zdoom.dir/build.make:214: recipe for target 'src/CMakeFiles/zdoom.dir/posix/sdl/i_gui.cpp.o' 
failed
make[2]: *** [src/CMakeFiles/zdoom.dir/posix/sdl/i_gui.cpp.o] Error 1
src/CMakeFiles/zdoom.dir/build.make:237: recipe for target 'src/CMakeFiles/zdoom.dir/posix/sdl/i_input.cpp.o' 
failed
make[2]: *** [src/CMakeFiles/zdoom.dir/posix/sdl/i_input.cpp.o] Error 1
CMakeFiles/Makefile2:719: recipe for target 'src/CMakeFiles/zdoom.dir/all' failed
make[1]: *** [src/CMakeFiles/zdoom.dir/all] Error 2
Makefile:117: recipe for target 'all' failed
make: *** [all] Error 2