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    1. General Information
    2. MySQL Installation
    3. Tutorial Introduction
    4. Database Administration
    5. MySQL Optimisation
    6. MySQL Language Reference
    7. MySQL Table Types
    8. MySQL APIs
    9. Extending MySQL
    Chapter 2:  MySQL Installation 129 2.6.6.2  HP-UX Version 10.20 Notes There are a couple of small problems when compiling MySQL on HP-UX. We recommend that you use gcc instead of the HP-UX native compiler, because gcc produces better code! We recommend using gcc 2.95 on HP-UX. Don't use high optimisation ags (like -O6) as this may not be safe on HP-UX. The following con gure line should work with gcc 2.95: CFLAGS="-I/opt/dce/include -fpic" \ CXXFLAGS="-I/opt/dce/include -felide-constructors -fno-exceptions \ -fno-rtti" CXX=gcc ./configure --with-pthread \ --with-named-thread-libs='-ldce' --prefix=/usr/local/mysql --disable- 2.6.6.3  HP-UX Version 11.x Notes For HP-UX Version 11.x we recommend MySQL Version 3.23.15 or later. Because of some critical bugs in the standard HP-UX libraries, you should install the fol- lowing patches before trying to run MySQL on HP-UX 11.0: PHKL_22840 Streams cumulative PHNE_22397 ARPA cumulative This will solve the problem of getting EWOULDBLOCK from recv() and EBADF from accept() in threaded applications. If you are using gcc 2.95.1 on an unpatched HP-UX 11.x system, you will get the error: In file included from /usr/include/unistd.h:11, from ../include/global.h:125, from mysql_priv.h:15, from item.cc:19: /usr/include/sys/unistd.h:184: declaration of C function ... /usr/include/sys/pthread.h:440: previous declaration ... In file included from item.h:306, from mysql_priv.h:158, from item.cc:19: The problem is that HP-UX doesn't de ne pthreads_atfork() consistently. It has con ict- ing prototypes in `/usr/include/sys/unistd.h':184 and `/usr/include/sys/pthread.h':440 (details below). One  solution  is  to  copy  `/usr/include/sys/unistd.h'  into  `mysql/include'  and  edit `unistd.h' and change it to match the de nition in `pthread.h'.  Here's the di : 183,184c183,184 < extern int pthread_atfork(void (*prepare)(), void (*parent)(), < void (*child)()); --- > extern int pthread_atfork(void (*prepare)(void), void (*parent)(void), > void (*child)(void)); After this, the following con gure line should work:
     

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