[MacPorts] #51634: libgomp configure error os x 10.6 gcc-5.4.0

[MacPorts]

#51634: libgomp configure error os x 10.6 gcc-5.4.0
--------------------------------------+--------------------------------
 Reporter:  chrisgorman@…             |      Owner:  macports-tickets@…
     Type:  defect                    |     Status:  new
 Priority:  Normal                    |  Milestone:
Component:  ports                     |    Version:  2.3.4
 Keywords:  libgomp configure gcc4.2  |       Port:  gcc5
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 gcc5 fails to build on os x 10.6.8 due to problem with configure of
 libgomp.  Using xcode compiler gcc4.2.

 Will try to investigate cause, have eliminated google found bug
 [https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43511]

 {{{
 configure: error: unsupported system, cannot find sizeof (omp_lock_t)
 make[2]: *** [configure-stage1-target-libgomp] Error 1
 make[2]: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc5/gcc5/work/build'
 make[1]: *** [stage1-bubble] Error 2
 make[1]: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc5/gcc5/work/build'
 make: *** [bootstrap-lean] Error 2
 make: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc5/gcc5/work/build'
 Command failed:  cd
 "/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc5/gcc5/work/build"
 && /usr/bin/make -j2 -w bootstrap-lean
 Exit code: 2
 Error: Failed to build gcc5: command execution failed
 Error: See
 /sandbox/var/macports/logs/_sandbox_trunk_dports_lang_gcc5/gcc5/main.log
 for details.
 Error: Unable to execute port: upgrade gcc5 failed
 }}}

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Ticket URL: <https://trac.macports.org/ticket/51634>
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