Here is a bit more info from "perl Makefile.PL -s mutex_init"
searching oracle lib/libclient8.a ... [50] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching oracle lib/libclntst8.a ... [50] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [29] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [47] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [27] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [28] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching oracle lib/libcore8.a ... [29] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [47] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [26] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [27] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [26] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [26] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init [28] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching oracle lib/libagtsh.so ... [11740] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching oracle lib/libclntsh.so ... [26519] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching oracle lib/libcorejava.so ... [3065] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching oracle lib/libtracepls8.so ... [5433] | 0| 92|FUNC |GLOB |0 |UNDEF |mutex_init searching /usr/lib/libNwLoc.so ... [274] | 0| 0|NOTY |GLOB |0 |UNDEF |_mt_mutex_initp searching /usr/lib/libX11.so ... [2221] | 818524| 4|OBJT |GLOB |0 |12 |_x11_mutex_init [2807] | 485056| 7|FUNC |GLOB |0 |9 |__x11_mutex_init searching /usr/lib/libXt.so ... [838] | 0| 0|NOTY |GLOB |0 |UNDEF |_x11_mutex_init searching /usr/lib/libfilter.so ... [235] | 0| 92|FUNC |GLOB |0 |UNDEF |mutex_init searching /usr/lib/libnsl.so ... [1018] | 323784| 4|OBJT |GLOB |0 |14 |_mt_mutex_initp searching /usr/lib/libnsl_d.so ... [1018] | 323784| 4|OBJT |GLOB |0 |14 |_mt_mutex_initp searching /usr/lib/libnsl_i.so ... [1003] | 301660| 4|OBJT |GLOB |0 |14 |_mt_mutex_initp searching /usr/lib/libnwutil.so ... [235] | 99268| 4|OBJT |GLOB |0 |15 |_nwutil_mt_rmutex_initp searching /usr/lib/libpcap.so ... [317] | 0| 0|NOTY |GLOB |0 |UNDEF |mutex_init searching /usr/lib/libsocket.so ... [286] | 0| 4|OBJT |GLOB |0 |UNDEF |_mt_mutex_initp searching /usr/lib/libthread.so ... [267] | 68800| 64|FUNC |GLOB |0 |9 |rmutex_init [425] | 35520| 180|FUNC |GLOB |0 |9 |pthread_mutex_init [523] | 118592| 92|FUNC |GLOB |0 |9 |mutex_init searching /usr/lib/libthreadT.so ... [275] | 73568| 64|FUNC |GLOB |0 |9 |rmutex_init [457] | 40288| 180|FUNC |GLOB |0 |9 |pthread_mutex_init [561] | 133120| 204|FUNC |GLOB |0 |9 |mutex_init [581] | 136304| 92|FUNC |GLOB |0 |9 |_thr_notrace_mutex_init searching /usr/lib/libxti.so ... [1018] | 323784| 4|OBJT |GLOB |0 |14 |_mt_mutex_initp
