Re: pthreads issue when compiling 7.4.8 on AIX 5.3

You are not missing something obvious. Keep hunting to see why you are
not getting to those defines.

---------------------------------------------------------------------------

Andrew Hammond wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Sure enough, there's some _XOPEN_SOURCE magic around them:
>
> #if (_XOPEN_SOURCE >= 600)
> typedef struct
> {
> #ifdef __64BIT__
> long __sp_word[3];
> #else
> int __sp_word[6];
> #endif /* __64BIT__ */
> }
> pthread_spinlock_t;
>
> typedef struct
> {
> #ifdef __64BIT__
> long __br_word[5];
> #else
> int __br_word[8];
> #endif /* __64BIT__ */
> }
> pthread_barrier_t;
> #endif /* _XOPEN_SOURCE >= 600 */
>
>
> #if (_XOPEN_SOURCE >= 600)
> typedef void *pthread_barrierattr_t;
> #endif
>
>
> So... I went hunting to see where _XOPEN_SOURCE is defined and found it
> in standards.h which is included all over the place, including sys/types.h
>
>
> /* If _XOPEN_SOURCE is defined without a value, or with a value less
> * than 500 (UNIX98), then set a value, so that #if statements will
> * work properly.
> */
> #ifdef _XOPEN_SOURCE
> #if ((_XOPEN_SOURCE + 0) < 500)
> #undef _XOPEN_SOURCE
> #define _XOPEN_SOURCE 1
> #endif
> #endif
>
> #if defined(_UNIX03) || (_XOPEN_SOURCE==600)
> #undef _XOPEN_SOURCE
> #define _XOPEN_SOURCE 600
> #undef _XOPEN_SOURCE_EXTENDED
> #define _XOPEN_SOURCE_EXTENDED 1
> #undef _POSIX_C_SOURCE
> #define _POSIX_C_SOURCE 200112L
> #undef _THREAD_SAFE
> #define _THREAD_SAFE
> #endif
>
> #if defined(_UNIX98) || (_XOPEN_SOURCE==500)
> #undef _XOPEN_SOURCE
> #define _XOPEN_SOURCE 500
> #undef _XOPEN_SOURCE_EXTENDED
> #define _XOPEN_SOURCE_EXTENDED 1
> #endif
>
> #ifdef _UNIX95
> #undef _XOPEN_SOURCE_EXTENDED
> #define _XOPEN_SOURCE_EXTENDED 1
> #endif
>
> #if (_XOPEN_SOURCE_EXTENDED==1)
> #ifndef _XOPEN_SOURCE
> #define _XOPEN_SOURCE 1
> #endif /* _XOPEN_SOURCE */
> #endif /* _XOPEN_SOURCE_EXTENDED */
>
> #ifdef _XOPEN_SOURCE
> #ifndef _POSIX_SOURCE
> #define _POSIX_SOURCE
> #endif
> #endif
>
>
> I also made sure that it's not being defined or undefined anywhere else
> in the include paths. Then, I tried overriding the _XOPEN_SOURCE
> variable on the command line for gcc, but, still no luck.
>
> - -bash-2.05b$ gcc -O2 -fno-strict-aliasing -g -Wall -Wmissing-prototypes
> - -Wmissing-declarations -I../../../src/include
> - -I/opt/dbs/readline/include -I/opt/dbs/zlib/include
> - -I/opt/freeware/include -D _XOPEN_SOURCE=600 -c -o thread_test.o
> thread_test.c
> In file included from thread_test.c:23:
> /usr/include/pthread.h:652: error: parse error before '*' token
> /usr/include/pthread.h:655: error: parse error before '*' token
> /usr/include/pthread.h:658: error: parse error before '*' token
> /usr/include/pthread.h:661: error: parse error before '*' token
> /usr/include/pthread.h:664: error: parse error before '*' token
> /usr/include/pthread.h:672: error: parse error before '*' token
> /usr/include/pthread.h:675: error: parse error before '*' token
> /usr/include/pthread.h:678: error: parse error before '*' token
> /usr/include/pthread.h:681: error: parse error before '*' token
> /usr/include/pthread.h:689: error: parse error before '*' token
> /usr/include/pthread.h:693: error: parse error before '*' token
> /usr/include/pthread.h:696: error: parse error before '*' token
>
> I'd like to believe I'm missing something really obvious here... :)
>
> - --
> Andrew Hammond 416-673-4138 ahammond(at)ca(dot)afilias(dot)info
> Database Administrator, Afilias Canada Corp.
> CB83 2838 4B67 D40F D086 3568 81FC E7E5 27AF 4A9A
>
>
> Bruce Momjian wrote:
> > I would look around in sys/types.h to see if there is a #define that is
> > preventing the symbol from being exported.
> >
> > ---------------------------------------------------------------------------
> >
> > Andrew Hammond wrote:
> >
> > I'm seeing the following errors when compiling postgres 7.4.8 (vanilla)
> > on AIX 5.3
> >
> > make[2]: Entering directory `/opt/src/postgresql-7.4.8/src/port'
> > gcc -O2 -fno-strict-aliasing -g -Wall -Wmissing-prototypes
> > -Wmissing-declarations -I../../src/include -I/opt/dbs/readline/include
> > -I/opt/dbs/zlib/include -I/opt/freeware/include -c thread.c
> > In file included from thread.c:25:
> > /usr/include/pthread.h:652: error: parse error before '*' token
> > /usr/include/pthread.h:655: error: parse error before '*' token
> > /usr/include/pthread.h:658: error: parse error before '*' token
> > /usr/include/pthread.h:661: error: parse error before '*' token
> > /usr/include/pthread.h:664: error: parse error before '*' token
> > /usr/include/pthread.h:672: error: parse error before '*' token
> > /usr/include/pthread.h:675: error: parse error before '*' token
> > /usr/include/pthread.h:678: error: parse error before '*' token
> > /usr/include/pthread.h:681: error: parse error before '*' token
> > /usr/include/pthread.h:689: error: parse error before '*' token
> > /usr/include/pthread.h:693: error: parse error before '*' token
> > /usr/include/pthread.h:696: error: parse error before '*' token
> > make[2]: *** [thread.o] Error 1
> > make[2]: Leaving directory `/opt/src/postgresql-7.4.8/src/port'
> >
> > I've looked into pthread.h and it's refereing to pthread_barrier_t,
> > pthread_barrierattr_t and pthread_spinlock_t. These do not exist in
> > pthread.h on our 5.1 box. However they are defined in sys/types.h which
> > is included up near the top pthread.h.
> >
> > I'm somewhat at a loss about where this could be going wrong.
> >
> > Configure options follow
> >
> > ./configure --prefix=/opt/dbs/pgsql748-slony105-AIX53-2005-06-13
> > -
> > --with-includes=/opt/dbs/readline/include:/opt/dbs/zlib/include:/usr/ccs/include:/opt/freeware/include:/usr/local/include
> > -
> > --with-libraries=/opt/dbs/readline/lib:/opt/dbs/zlib/lib:/usr/ccs/lib:/opt/freeware/lib:/usr/local/lib
> > --enable-thread-safety --enable-debug --enable-aix64
> >
> > Note that this binary will need to have slony support which is why the
> > --enable-thread-safety. We've had success compiling postgres on AIX 5.1
> > with identical settings. We're using gcc 3.3.2
> >
> > The thread_test program fails identically:
> >
> > -bash-2.05b$ make
> > gcc -O2 -fno-strict-aliasing -g -Wall -Wmissing-prototypes
> > -Wmissing-declarations -I../../../src/include
> > -I/opt/dbs/readline/include -I/opt/dbs/zlib/include
> > -I/opt/freeware/include -c -o thread_test.o thread_test.c
> > In file included from thread_test.c:23:
> > /usr/include/pthread.h:652: error: parse error before '*' token
> > /usr/include/pthread.h:655: error: parse error before '*' token
> > /usr/include/pthread.h:658: error: parse error before '*' token
> > /usr/include/pthread.h:661: error: parse error before '*' token
> > /usr/include/pthread.h:664: error: parse error before '*' token
> > /usr/include/pthread.h:672: error: parse error before '*' token
> > /usr/include/pthread.h:675: error: parse error before '*' token
> > /usr/include/pthread.h:678: error: parse error before '*' token
> > /usr/include/pthread.h:681: error: parse error before '*' token
> > /usr/include/pthread.h:689: error: parse error before '*' token
> > /usr/include/pthread.h:693: error: parse error before '*' token
> > /usr/include/pthread.h:696: error: parse error before '*' token
> > make: *** [thread_test.o] Error 1
> >
> > --
> > Andrew Hammond 416-673-4138 ahammond(at)ca(dot)afilias(dot)info
> > Database Administrator, Afilias Canada Corp.
> > CB83 2838 4B67 D40F D086 3568 81FC E7E5 27AF 4A9A
>
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--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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