Bug#888933: gli FTBFS with libglm-dev 0.9.9~a2-1

[Adrian Bunk]

Source: gli
Version: 0.8.2.0+ds1-2
Severity: serious
Tags: buster unstable

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

...
In file included from /build/1st/gli-0.8.2.0+ds1/./gli/type.hpp:13:0,
                 from /build/1st/gli-0.8.2.0+ds1/./gli/format.hpp:6,
                 from /build/1st/gli-0.8.2.0+ds1/./gli/gli.hpp:39,
                 from /build/1st/gli-0.8.2.0+ds1/test/bug/bug.cpp:1:
/usr/include/glm/gtx/std_based_type.hpp:21:3: error: #error "GLM: GLM_GTX_std_based_type 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_std_based_type 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."
   ^~~~~