Windows Cgo Glew undefined reference

[Mathews]

Hi,

i'm trying to use opengl with go.

Therefore i tried Banthar-Opengl: https://github.com/banthar/gl

While on Linux everything works fine, i have troubles making it work

on windows.

Running a "go install" on the packages yields many of those:

C:\SOME\PATH\banthar\gl\_obj\gl.cgo2.o: In function `_cgo_f94b1c8c2048_Cfunc_glActiveTexture':

./gl.go:58: undefined reference to `__imp___glewActiveTexture'

Usually i would say, that the glew32.lib isn't linked, however in gl.gol it says:

// #cgo windows LDFLAGS: -lglew32 -lopengl32

I'm using Win7_64 with mingw-w64.

The 64bit Glew is installed.

Any ideas what is causing the problem or how to fix it?

[minux]

make sure you can compile a C program that calls opengl and glew function 

with the LDFLAGS "-lglew32 -lopengl32".

cgo doesn't need the xxx.lib file, it only needs to find the xxx.dll file.

[Mathews]

Ahh, thank you, found the mistake - the binaries from glew are only for

Visual-Studio.

Had to compile the glew-source with mingw.

Anyone stumbling across the same problem, this thread may help, if you

don't want to install cygwin or the like to run the makefile.