1. redis.conf contains lines to use these modules as snow flurry wrote:
# >>> BEGIN: loadmodule paths (replaced by make deploy) <<<
loadmodule ./modules/redisbloom/redisbloom.so
loadmodule ./modules/redisearch/redisearch.so
loadmodule ./modules/redisjson/rejson.so
loadmodule ./modules/redistimeseries/redistimeseries.so
# <<< END: loadmodule paths <<<
2. redis/Makefile contains these lines, so no redis's module will be built.
# Don't build modules. These require cmake, clang and rust.
post-extract:
${RM} -f -r ${WRKSRC}/modules/*/src