[MacPorts] #52822: gstreamer1 - add replacement for sysconf(_SC_NPROCESSORS_ONLN) on Tiger

[MacPorts]

#52822: gstreamer1 - add replacement for sysconf(_SC_NPROCESSORS_ONLN) on Tiger
------------------------------------+----------------------
  Reporter:  ken-cunningham-webuse  |      Owner:  dbevans
      Type:  enhancement            |     Status:  accepted
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:  2.3.4
Resolution:                         |   Keywords:
      Port:  gstreamer1             |
------------------------------------+----------------------

Comment (by ken-cunningham-webuse):

 to make life easier:

 {{{

 $ cat testnumproc.c

 #include <unistd.h>
 #include <stdio.h>
 #include <sys/resource.h>
 #include <sys/types.h>
 #include <sys/sysctl.h>


 int main() {
         int nm[2];
         size_t len = 4;
         uint32_t count;
         uint32_t num_cpus;

         nm[0] = CTL_HW; nm[1] = HW_AVAILCPU;
         sysctl(nm, 2, &count, &len, NULL, 0);

         if (count < 1) {
                 nm[1] = HW_NCPU;
                 sysctl(nm, 2, &count, &len, NULL, 0);
                 if (count < 1) { count = 1; }
          }

          num_cpus = count;

          printf("number of cpus %d \n\n", count);
  }


 $ which gcc
 /opt/local/bin/gcc

 $ gcc --version
 powerpc-apple-darwin8-gcc-apple-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666)
 (dot 3) (MacPorts apple-gcc42 5666.3_15)
 Copyright (C) 2007 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.

 $ gcc -o testnumpro testnumproc.c

 $ ./testnumproc
 number of cpus 2

 }}}

--
Ticket URL: <https://trac.macports.org/ticket/52822#comment:5>
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