Specify WITH_TESTS=OFF and WITH_TOOLS=OFF (#348)

Setting `WITH_TESTS=OFF` and `WITH_TOOLS=OFF` explicitly. Since we specify target explicitly, even without setting these flags we don't really build rocksdb tests and tools. But still, let's set it anyway to make sure.

Closes #344 

librocksdb_sys/build.rs

@@ -110,7 +110,10 @@ fn build_rocksdb() -> Build {
         .define("WITH_ZSTD", "ON")
         .register_dep("SNAPPY")
         .define("WITH_SNAPPY", "ON")
+        .define("WITH_TESTS", "OFF")
+        .define("WITH_TOOLS", "OFF")
         .build_target("rocksdb")
+        .very_verbose(true)
         .build();
     let build_dir = format!("{}/build", dst.display());
     let mut build = Build::new();

librocksdb_sys/libtitan_sys/build.rs

@@ -36,7 +36,10 @@ fn main() {
         .define("WITH_ZSTD", "ON")
         .register_dep("SNAPPY")
         .define("WITH_SNAPPY", "ON")
+        .define("WITH_TITAN_TESTS", "OFF")
+        .define("WITH_TITAN_TOOLS", "OFF")
         .build_target("titan")
+        .very_verbose(true)
         .build();
     println!("cargo:rustc-link-search=native={}/build", dst.display());
     println!("cargo:rustc-link-lib=static=titan");