From 9e6745c12e0b100cd38acecc16ce7db02905e27c Mon Sep 17 00:00:00 2001
From: David Millard <dmillard10@gmail.com>
Date: Tue, 10 May 2016 13:53:53 -0700
Subject: [PATCH] Fix autotools for static MinGW builds

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index da24aa5..abfd88b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -261,7 +261,7 @@ case "${host_os}" in
         libzmq_dso_visibility="no"
 
         if test "x$enable_static" = "xyes"; then
-            CPPFLAGS="-DZMQ_STATIC"
+            CPPFLAGS="-DZMQ_STATIC $CPPFLAGS"
         fi
         ;;
     *cygwin*)