diff -r 20daa32eec6f -r fe7df3d2f5ae common/autoconf/flags.m4
--- a/common/autoconf/flags.m4	Mon May 21 06:54:25 2018 -0700
+++ b/common/autoconf/flags.m4	Fri May 25 10:37:07 2018 +0100
@@ -476,7 +476,7 @@
     # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual
     # studio.
     if test "x$TOOLCHAIN_VERSION" = "x2010"; then
-      CXXFLAGS_JDK="$CXXFLAGS_JDK \
+      CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
           -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB"
     fi
   fi