From bce692390f009be6b923b753a15d89a00ad80dc4 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@z.cash>
Date: Thu, 24 May 2018 14:23:50 +1200
Subject: [PATCH] configure: Don't add -ldl to RUST_LIBS for mingw32

---
 configure.ac | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index fad565fd8..b4ee70551 100644
--- a/configure.ac
+++ b/configure.ac
@@ -733,7 +733,14 @@ AC_CHECK_LIB([gmp],[[__gmpn_sub_n]],GMP_LIBS=-lgmp, [AC_MSG_ERROR(libgmp missing
 AC_CHECK_HEADER([gmpxx.h],,AC_MSG_ERROR(libgmpxx headers missing))
 AC_CHECK_LIB([gmpxx],[main],GMPXX_LIBS=-lgmpxx, [AC_MSG_ERROR(libgmpxx missing)])
 
-RUST_LIBS="-lrustzcash -ldl"
+RUST_LIBS="-lrustzcash"
+case $host in
+  *mingw*)
+    ;;
+  *)
+    RUST_LIBS="$RUST_LIBS -ldl"
+    ;;
+esac
 
 dnl Check for OpenMP support
 AX_OPENMP(