ICU 59+ requires C++11 and errors out without the option

diff --git a/ext/intl/config.m4 b/ext/intl/config.m4
index 52408f8e918351cc0dc27b1f50e77dd63b99da5a..e8fad2e432cf1923046fa247071fe71299a29160 100644 (file)
--- a/ext/intl/config.m4
+++ b/ext/intl/config.m4
@@ -18,6 +18,9 @@ if test "$PHP_INTL" != "no"; then
   else
     icu_spoof_src=""
   fi
+  if test "$icu_version" -ge "59000"; then
+       ICU_CXXFLAGS="$ICU_CXXFLAGS -std=c++11 -stdlib=libc++"
+  fi
   PHP_NEW_EXTENSION(intl, php_intl.c \
     intl_error.c \
     intl_convert.c \