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vaiorabbit / ruby-opengl

Yet another OpenGL wrapper for Ruby (and wrapper code generator).
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Windows MSYS2 Ruby 2.4.1-2 (x64): GLFW library load error #27

Closed mrlukaszfuszara closed 3 years ago

mrlukaszfuszara commented 7 years ago

This error is connected with precompiled library from http://www.glfw.org/download.html , compiled for MSYS2 is loading but can't show window (Expression: window != NULL). Since Ruby 2.4 all Windows builds are using MSYS2 as compilation environment.

vaiorabbit commented 7 years ago

Hi.

I don't have enough time to reproduce your problem now, and I don't know much about MSYS2 (sorry).

In general, if you use ruby built on MSYS2, you must make sure that all shared libraries (.dll) you are going to use are built on MSYS2. And current GLFW package for Windows (glfw-3.2.1.bin.WIN64.zip) does not contain DLLs for MSYS2.

$ cd ~/Downloads/glfw-3.2.1.bin.WIN64
$ ll
    -rw-r--r--@ 1 foo  staff  928  8 18  2016 COPYING.txt
    drwxr-xr-x@ 3 foo  staff  102  8 18  2016 docs
    drwxr-xr-x@ 3 foo  staff  102  8 18  2016 include
    drwxrwxr-x@ 5 foo  staff  170  8 18  2016 lib-mingw-w64
    drwxrwxr-x@ 5 foo  staff  170  8 18  2016 lib-vc2012
    drwxrwxr-x@ 5 foo  staff  170  8 18  2016 lib-vc2013
    drwxrwxr-x@ 5 foo  staff  170  8 18  2016 lib-vc2015