Add sqlite3 support

test=develop

tools/manylinux1/Dockerfile.x64

@@ -16,7 +16,7 @@ ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
 RUN yum install -y sqlite-devel zlib-devel openssl-devel pcre-devel vim tk-devel tkinter libtool xz graphviz
 COPY build_scripts /build_scripts
 RUN bash build_scripts/build.sh && \
-  bash build_scripts/install_nccl2.sh && rm -r build_scripts
+  bash build_scripts/install_nccl2.sh && rm -rf build_scripts
 
 ENV SSL_CERT_FILE=/opt/_internal/certs.pem