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From jerenkra...@apache.org
Subject cvs commit: apr configure.in
Date Fri, 01 Jun 2001 02:58:32 GMT
jerenkrantz    01/05/31 19:58:32

  Modified:    .        configure.in
  Log:
  Detect the wacky Linux-specific condition where pthread_rwlock_init is
  defined, but the declaration of pthread_rwlock_t requires extra #defines.
  
  Revision  Changes    Path
  1.311     +25 -0     apr/configure.in
  
  Index: configure.in
  ===================================================================
  RCS file: /home/cvs/apr/configure.in,v
  retrieving revision 1.310
  retrieving revision 1.311
  diff -u -r1.310 -r1.311
  --- configure.in	2001/05/31 03:29:51	1.310
  +++ configure.in	2001/06/01 02:58:31	1.311
  @@ -281,6 +281,31 @@
           APR_CHECK_PTHREAD_GETSPECIFIC_TWO_ARGS
           APR_CHECK_PTHREAD_ATTR_GETDETACHSTATE_ONE_ARG
           AC_CHECK_FUNCS(pthread_key_delete pthread_rwlock_init)
  +
  +        if test "$ac_cv_func_pthread_rwlock_init" = "yes"; then
  +            dnl #----------------------------- Checking for pthread_rwlock_t
  +            dnl # Linux is silly as it has pthread_rwlock_init defined
  +            dnl # but keeps the pthread_rwlock_t structure hidden unless 
  +            dnl # special things are defined.
  +            AC_CACHE_CHECK([for pthread_rwlock_t], ac_cv_struct_pthread_rw,
  +                [AC_TRY_COMPILE([#include <sys/types.h>
  +                #include <pthread.h>], 
  +                [pthread_rwlock_t rwlock=PTHREAD_RWLOCK_INITIALIZER;],
  +                ac_cv_struct_pthread_rw=yes, ac_cv_struct_pthread_rw=no)])
  +            if test "$ac_cv_struct_pthread_rw" = "no"; then
  +                AC_TRY_COMPILE([#define _XOPEN_SOURCE 500
  +                    #define _BSD_SOURCE
  +                    #define _SVID_SOURCE
  +                    #include <sys/types.h>
  +                    #include <pthread.h>], 
  +                    [pthread_rwlock_t rwlock=PTHREAD_RWLOCK_INITIALIZER;],
  +                    ac_cv_struct_pthread_rw=yes, ac_cv_struct_pthread_rw=no)
  +                if test "$ac_cv_struct_pthread_rw" = "yes"; then
  +                    APR_ADDTO(CPPFLAGS, [-D_XOPEN_SOURCE=500 -D_BSD_SOURCE])
  +                    APR_ADDTO(CPPFLAGS, [-D_SVID_SOURCE])
  +                fi
  +            fi
  +        fi
       fi
   fi
   
  
  
  

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