Update build.mk to 1987be57d988f5062d462ef6e4ed3d3e88877694
This version of build.mk was fetched from: https://gitlab.com/ModioAB/build.mk/raw/1987be57d988f5062d462ef6e4ed3d3e88877694/build.mk
This version of build.mk was fetched from: https://gitlab.com/ModioAB/build.mk/raw/1987be57d988f5062d462ef6e4ed3d3e88877694/build.mk