With the new CMake file structure, no need to dive into "src"

build.sh

@@ -59,8 +59,6 @@ case "${ostype}" in
 	;;
 esac
 
-cd src
-
 cmake ${build_flags} ${extra_enable} -D CMAKE_BUILD_TYPE=${build_type} -B build_${ostype} ||\
     { echo "CMake failed."; exit 1; }
 cmake --build build_${ostype} ||\