py-shiboken: revert breakage introduced by C++11 requirement

python/py-shiboken/Portfile

@@ -45,8 +45,18 @@ if {${name} ne ${subport}} {
                         port:libxslt \
                         port:sparsehash
     use_configure   yes
-    compiler.cxx_standard 2011
-    configure.cxxflags-append -std=c++11
+
+    # It is not really clear if the issue is specific to powerpc, gcc version
+    # or something else. However, building with C++11 leads to segfault.
+    # https://github.com/pyside/Shiboken/issues/94
+    # Shiboken does not require C++11; it was added here:
+    # https://github.com/macports/macports-ports/commit/e6316eff0372ba2ef5e8216a3fe7e2073057cf3e
+    # Same versions which build fine without C++11 (and thus with gcc-4.2)
+    # are broken with C++11 and a modern gcc. Unbreak this at least for powerpc:
+    if {${configure.build_arch} ni [list ppc ppc64]} {
+        compiler.cxx_standard 2011
+        configure.cxxflags-append -std=c++11
+    }
     # build.cmd must be set before configure.args is changed
     #    (see https://github.com/macports/macports-ports/commit/63c9c8e6e312c8e36603cb118d94f995aa8a6e67)
     build.cmd       make