FreeCAD WebAssembly development snapshot

cMake/FreeCAD_Helpers/SetupOpenGL.cmake

@@ -0,0 +1,21 @@
+macro(SetupOpenGL)
+# -------------------------------- OpenGL --------------------------------
+
+    # If on a system with both a legacy GL library and GLVND, prefer the legacy library.
+    # This is probably needed until we no longer have any gl.*ARB calls in the codebase
+    # See, e.g. SoBrepFaceSet.cpp
+    set(OpenGL_GL_PREFERENCE LEGACY)
+
+    find_package(OpenGL)
+    include(FindPackageMessage)
+    if(OPENGL_GLU_FOUND)
+        find_package_message(OPENGL_GLU
+            "Found OpenGLU: ${OPENGL_glu_LIBRARY}"
+            "[${OPENGL_glu_LIBRARY}][${OPENGL_INCLUDE_DIR}]")
+    else(OPENGL_GLU_FOUND)
+        message(FATAL_ERROR "======================\n"
+                            "GLU library not found.\n"
+                            "======================\n")
+    endif(OPENGL_GLU_FOUND)
+
+endmacro(SetupOpenGL)