auto install GLEW

[richard-sim]

---

Starting step: BUILD KICAD

---

-- The C compiler identification is Clang 5.0.0 -- The CXX compiler identification is Clang 5.0.0 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for installed OpenGL -- found -- Check for installed GLEW -- not found CMake Error at CMakeModules/CheckFindPackageResult.cmake:6 (message): GLEW was not found - it is required to build Kicad Call Stack (most recent call first): CMakeLists.txt:246 (check_find_package_result)

-- Configuring incomplete, errors occurred! make: *** No rule to make target `install'. Stop. build error on BUILD KICAD STEP: 5

[richard-sim]

Fix for those using Homebrew: brew install glew

[mangelajo]

sames a #10 , thanks!

[eidosabi]

For those using MacPorts: sudo port install glew