Among other things, this PR fixes a bug where the build script for libmstpm wouldn't rerun if the submodules in libmstpm/deps/ were updated. It also changes the build script to only save output files in the directory specified on the OUT_DIR environment variable as recommended by the cargo docs.
Among other things, this PR fixes a bug where the build script for libmstpm wouldn't rerun if the submodules in
libmstpm/deps/were updated. It also changes the build script to only save output files in the directory specified on theOUT_DIRenvironment variable as recommended by the cargo docs.