binutils 2.37.50.20211017
gcc 10.3 (gmp 6.2.1, mpfr 4.1.0-p13, mpc 1.2.1, isl 0.24)
mingw-w64 [da8fd9] 20211017
gdb 10.2
make 4.2.1
zlib 1.2.11

build script [r421] + '--disable-shared --enable-fully-dynamic-string' https://sourceforge.net/projects/mingw-w64-dgn/
