sysutils/dbus

uses libtool to create convient library
doesn't use -static to create the library
therefore PIC objects are used for it
this means PIC code and non-PIC code is directly linked
this means that different access conventions for errno are mixed
GNU ld merged the relocation entries, ignoring the semantic difference:
TLS_TPOFF: value - tls_offset
TLS_TPOFF32: tls_offset - value
GCC optimized the address computation of errno to a very innocent looking place in strtol