Ticket 49141 - Enable tcmalloc
    
    Bug Description:  tcmallon conflicts with asan. Additionally,
    tcmalloc needs to use -lpthread, so we should guarantee this with
    the use of the pkg-config file.
    
    Fix Description:  Fix the rpm to use asan *or* tcmalloc. Fix
    configure to explode if you try and use both. Fix m4/tcmalloc to
    use pkg-config file. Update bundled tcmalloc link to apply to all
    binaries to ensure proper behaviour of the server. This also limits
    tcmalloc to supported arches (IE exclude s390)
    
    https://pagure.io/389-ds-base/issue/49141
    
    Author: wibrown
    
    Review by: vashirov (Thanks!)