diff -r b7cd2462c58f -r 47b0133297d6 components/php/php56/patches/ext-intl-config.m4.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/php/php56/patches/ext-intl-config.m4.patch	Thu Jun 04 09:10:36 2015 -0700
@@ -0,0 +1,14 @@
+# Internal, probably not for upstream.
+# Removes gcc-specific compiler option.
+
+--- a/ext/intl/config.m4	Wed Apr 15 11:05:57 2015
++++ b/ext/intl/config.m4	Mon Apr 27 13:30:25 2015
+@@ -85,7 +85,7 @@
+     breakiterator/codepointiterator_internal.cpp \
+     breakiterator/codepointiterator_methods.cpp \
+     idn/idn.c \
+-    $icu_spoof_src, $ext_shared,,$ICU_INCS -Wno-write-strings)
++    $icu_spoof_src, $ext_shared,,$ICU_INCS)
+   PHP_ADD_BUILD_DIR($ext_builddir/collator)
+   PHP_ADD_BUILD_DIR($ext_builddir/converter)
+   PHP_ADD_BUILD_DIR($ext_builddir/common)