Commit f86082359b6b95fc5ed2e2614f641df79040b43f

Ben Boeckel 2021-07-26T20:06:18

cmake: fix `ATTRIBUTE_DESTRUCTOR` definition The code expects it to be set to the attribute for `xmlDestructor`, but in CMake, it is only ever available as `1` or undefined. Instead, match the behavior or autoconf.