[MacPorts] #43346: glib2 @2.40.0 issues a "Got weird mach timebase info" error when running Inkscape 0.48.4 r9939

[MacPorts]

#43346: glib2 @2.40.0 issues a "Got weird mach timebase info" error when running
Inkscape 0.48.4 r9939
-------------------------+--------------------------
  Reporter:  braumann@…  |      Owner:  ryandesign@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.2.1
Resolution:              |   Keywords:  leopard ppc
      Port:  glib2       |
-------------------------+--------------------------

Comment (by ccorn@…):

 The cause is in {{{glib/gmain.c}}} in function
 {{{g_get_monotonic_time()}}}. When called for the first time, the function
 sets {{{timebase_info}}} which is a fraction giving the mach tick period
 in nanoseconds. That value is divided by 1000 to give microseconds. The
 current code requires the resulting fraction to be representable as
 1/denominator because the author did not feel the need for risking integer
 overflows when multiplying. However, on PPC a representation as
 1/denominator would not be exact, and the code errs out. I have replaced
 the code with a {{{long double}}} computation that should be accurate
 enough. I do not mind whether that's faster or slower than the previous
 64-bit integer division. Feel free to try it for the time being until a
 proper fix is provided upstream.

-- 
Ticket URL: <https://trac.macports.org/ticket/43346#comment:2>
MacPorts <http://www.macports.org/>
Ports system for OS X