cmake: older emscripten releases have a broken FindOpenGL.cmake This is fixed since 3.1.10: https://github.com/emscripten-core/emscripten/commit/485a7b4d6f84d4bc3b594ff81d39b6b143c8d598#diff-034f4d123f23ec5493d0fbf28cba1c36e404a991f286c8d031a22799e4e8b0e5
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index c608f47..a396ad5 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -230,6 +230,9 @@ if(OPENGL_FOUND)
target_link_libraries(testshader OpenGL::GL)
target_link_libraries(testgl2 OpenGL::GL)
else()
+ if(EMSCRIPTEN AND OPENGL_gl_LIBRARY STREQUAL "nul")
+ set(OPENGL_gl_LIBRARY GL)
+ endif()
# emscripten's FindOpenGL.cmake does not create OpenGL::GL
target_link_libraries(testshader ${OPENGL_gl_LIBRARY})
target_link_libraries(testgl2 ${OPENGL_gl_LIBRARY})