Not related to speed at all. glibc needs to add the support for them and it doesn't exist, at least not in the older branches that all the commercially support

Not related to speed at all. glibc needs to add the support for them and it doesn't exist, at least not in the older branches that all the commercially supported distros use. There is talk of adding support for external libraries. [0] [0] - https://sourceware.org/bugzilla/show_bug.cgi?id=16814 https://sourceware.org/bugzilla/show_bug.cgi?id=16814