build: Make boost_url a list

Cmake 3.29 does not appreciate a space separated string being
substituted in.

Signed-off-by: Adam Emerson <aemerson@redhat.com>
(cherry picked from commit 35435420781f84e9b71f72b10e6842a89c06de7f)

diff --git a/cmake/modules/BuildBoost.cmake b/cmake/modules/BuildBoost.cmake
index 47cd702ca2252679474c5f8426eb43a6828a2b16..342f27387e24000f9009a54c8c0fcf6c72a82003 100644 (file)
--- a/cmake/modules/BuildBoost.cmake
+++ b/cmake/modules/BuildBoost.cmake
@@ -162,7 +162,7 @@ function(do_build_boost root_dir version)
     set(boost_version 1.82.0)
     set(boost_sha256 a6e1ab9b0860e6a2881dd7b21fe9f737a095e5f33a3a874afc6a345228597ee6)
     string(REPLACE "." "_" boost_version_underscore ${boost_version} )
-    string(JOIN " " boost_url
+    list(APPEND boost_url
       https://boostorg.jfrog.io/artifactory/main/release/${boost_version}/source/boost_${boost_version_underscore}.tar.bz2
       https://download.ceph.com/qa/boost_${boost_version_underscore}.tar.bz2)
     set(source_dir