fix mac build

Author: BewareMyPower

pkg/mac/build-pulsar-cpp.sh

@@ -24,6 +24,7 @@ ROOT_DIR=$(git rev-parse --show-toplevel)
 cd "${ROOT_DIR}"
 
 source pkg/mac/common.sh
+source build-support/dep-url.sh
 
 PULSAR_CPP_VERSION=$(./build-support/dep-version.py pulsar-cpp)
 
@@ -36,7 +37,6 @@ PREFIX=$CACHE_DIR_CPP_CLIENT/install
 DEPS_PREFIX=${CACHE_DIR_DEPS}/install
 
 ###############################################################################
-source ./build-support/dep-url.sh
 download_dependency ./dependencies.yaml ${PULSAR_CPP_VERSION}
 tar xfz apache-pulsar-client-cpp-${PULSAR_CPP_VERSION}.tar.gz