[Octave-bug-tracker] [bug #47656] [pkg fl-core] Build failure. Missing header

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?47656>

                 Summary: [pkg fl-core] Build failure. Missing header
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sun 10 Apr 2016 01:23:47 PM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Build Failure
                  Status: None
             Assigned to: None
         Originator Name: Eugeny Logan
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.1
        Operating System: GNU/Linux

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Details:

I downloaded package from http://octave.sourceforge.net/fl-core/index.html and
have got build failure:

>> pkg install fl-core-1.0.0.tar.gz
fl_compose.cc: In function ‘int get_available_cpus()’:
fl_compose.cc:757:19: error: ‘_SC_NPROCESSORS_ONLN’ was not declared in
this scope
   return sysconf( _SC_NPROCESSORS_ONLN);
                   ^
fl_compose.cc:757:39: error: ‘sysconf’ was not declared in this scope
   return sysconf( _SC_NPROCESSORS_ONLN);

I saw man for sysconf and found that header for it is unistd.h. Then I add
include directive for this header and rebuild package was successfull.

$ uname -r
4.4.1-2
$ gcc --version
gcc (GCC) 5.3.0




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