add gperftools dependencies

Former-commit-id: cc8e3f68f5fbe3393ac966083b607b54ccb50fe8

ci/jenkinsfile/milvus_build_no_ut.groovy

@@ -15,7 +15,7 @@ container('milvus-build-env') {
                     dir ("cpp") {
                         sh "git config --global user.email \"test@zilliz.com\""
                         sh "git config --global user.name \"test\""
-                        sh "./build.sh -t ${params.BUILD_TYPE} -k ${knowhere_build_dir}"
+                        sh "./build.sh -t ${params.BUILD_TYPE} -k ${knowhere_build_dir} -j"
                     }
                 } catch (exc) {
                     updateGitlabCommitStatus name: 'Build Engine', state: 'failed'

cpp/cmake/ThirdPartyPackages.cmake

@@ -2556,6 +2556,8 @@ macro(build_gperftools)
                 ${GPERFTOOLS_STATIC_LIB})
     endif()
 
+    ExternalProject_Add_StepDependencies(gperftools_ep build libunwind_ep)
+
     file(MAKE_DIRECTORY "${GPERFTOOLS_INCLUDE_DIR}")
 
     add_library(gperftools STATIC IMPORTED)