Merge topic 'bootstrap-no-pkg-config' into release-3.30

35eb28bc76 bootstrap: Restore support for system jsoncpp and uv without pkg-config

Acked-by: Kitware Robot <[email protected]>
Acked-by: Alex Turbov <[email protected]>
Merge-request: !9679

bootstrap

@@ -1811,7 +1811,7 @@ else
     cmake_c_flags="${cmake_c_flags} ${use_uv_flags}"
     cmake_cxx_flags="${cmake_cxx_flags} ${use_uv_flags}"
   else
-    use_librhash_ldflags="-luv"
+    use_uv_ldflags="-luv"
   fi
   libs="${libs} ${use_uv_ldflags}"
 fi
@@ -1838,7 +1838,7 @@ else
     use_jsoncpp_ldflags="`pkg-config --libs jsoncpp`"
     cmake_cxx_flags="${cmake_cxx_flags} ${use_jsoncpp_flags}"
   else
-    use_librhash_ldflags="-ljsoncpp"
+    use_jsoncpp_ldflags="-ljsoncpp"
   fi
   libs="${libs} ${use_jsoncpp_ldflags}"
 fi