dev-python/pyicu: Force C++11

Closes: https://bugs.gentoo.org/651748
Package-Manager: Portage-2.3.40, Repoman-2.3.9

dev-python/pyicu/pyicu-2.0.3.ebuild

@@ -5,7 +5,7 @@ EAPI=6
 
 PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
 
-inherit distutils-r1
+inherit distutils-r1 flag-o-matic
 
 MY_PN="PyICU"
 MY_P="${MY_PN}-${PV}"
@@ -30,6 +30,14 @@ S="${WORKDIR}/${MY_P}"
 
 DOCS=(CHANGES CREDITS README.md)
 
+python_prepare_all() {
+ # bug 651748
+ # due to ICU 59 requiring C++11 now
+ append-cxxflags -std=c++11
+
+ distutils-r1_python_prepare_all
+}
+
 python_test() {
  if [[ ${EPYTHON} == python2* ]]; then
  # See Bug #644226