Modified: trunk/dports/math/octave/Portfile (148871 => 148872)

--- trunk/dports/math/octave/Portfile	2016-05-20 20:26:27 UTC (rev 148871)
+++ trunk/dports/math/octave/Portfile	2016-05-20 20:47:26 UTC (rev 148872)
@@ -135,9 +135,23 @@
 
 # for now, limit the number of variants
 # some of these compilers may work fine
+#
+# gcc 5 (and below?) does not work because of
+#    https://stackoverflow.com/questions/22519756/macports-gcc-4-8-2-error-with-mmacosx-version-min-and-foundation-headers
+#    and
+#    https://www.riverbankcomputing.com/pipermail/qscintilla/2016-May/001129.html
+#
+# gcc 6 (and above?) does not work because of
+#    http://octave.1599824.n4.nabble.com/Major-issues-with-g-6-and-gnulib-tt4674928.html
+#    and
+#    https://savannah.gnu.org/bugs/?47073
+#
 compilers.setup     \
     require_fortran \
     -dragonegg      \
+    -gcc7           \
+    -gcc6           \
+    -gcc5           \
     -gcc49          \
     -gcc48          \
     -gcc47          \