Bug#888929: libetonyek FTBFS with libglm-dev 0.9.9~a2-1

[Adrian Bunk <bunk@debian.org>]

Source: libetonyek
Version: 0.1.7-2
Severity: serious

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/libetonyek.html

...
In file included from /usr/include/glm/gtx/quaternion.hpp:20:0,
                 from /usr/include/glm/gtx/io.hpp:24,
                 from IWORKTransformationTest.cpp:13:
/usr/include/glm/gtx/norm.hpp:21:3: error: #error "GLM: GLM_GTX_norm is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
 # error "GLM: GLM_GTX_norm is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
   ^~~~~