From 2c3571598b3ccc75fce2a0d54a724e403a81a881 Mon Sep 17 00:00:00 2001
From: Yuriy Glukhov <yuriy.glukhov@gmail.com>
Date: Thu, 15 Mar 2018 20:34:55 +0200
Subject: [PATCH] Enable ECDH + some minor fixes

---
 secp256k1.nim                           |  1 +
 secp256k1_wrapper/gen.sh                | 10 +++++++---
 secp256k1_wrapper/libsecp256k1-config.h |  2 +-
 3 files changed, 9 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 secp256k1_wrapper/gen.sh

diff --git a/secp256k1.nim b/secp256k1.nim
index 905cecf..39b3665 100644
--- a/secp256k1.nim
+++ b/secp256k1.nim
@@ -4,6 +4,7 @@ from os import DirSep
 const wrapperPath = currentSourcePath.rsplit(DirSep, 1)[0] & "/secp256k1_wrapper"
 {.passC: "-I" & wrapperPath .}
 {.passC: "-I" & wrapperPath & "/secp256k1".}
+{.passC: "-I" & wrapperPath & "/secp256k1/src".}
 {.passC: "-DHAVE_CONFIG_H".}
 
 const secpSrc = wrapperPath & "/secp256k1/src/secp256k1.c"
diff --git a/secp256k1_wrapper/gen.sh b/secp256k1_wrapper/gen.sh
old mode 100644
new mode 100755
index fccf3da..4857169
--- a/secp256k1_wrapper/gen.sh
+++ b/secp256k1_wrapper/gen.sh
@@ -1,9 +1,13 @@
 #!/bin/sh
 
+set -e
+
 THIS_DIR=$(dirname "$0")
 cd $THIS_DIR/secp256k1
 ./autogen.sh
-./configure
+./configure --enable-module-ecdh --enable-module-recovery --enable-experimental
 make src/ecmult_static_context.h
-cp src/ecmult_static_context.h "$THIS_DIR"
-cp src/libsecp256k1-config.h "$THIS_DIR"
+
+cd -
+cp secp256k1/src/ecmult_static_context.h "$THIS_DIR"
+cp secp256k1/src/libsecp256k1-config.h "$THIS_DIR"
diff --git a/secp256k1_wrapper/libsecp256k1-config.h b/secp256k1_wrapper/libsecp256k1-config.h
index e427337..4d9167d 100644
--- a/secp256k1_wrapper/libsecp256k1-config.h
+++ b/secp256k1_wrapper/libsecp256k1-config.h
@@ -12,7 +12,7 @@
 /* #undef COVERAGE */
 
 /* Define this symbol to enable the ECDH module */
-/* #undef ENABLE_MODULE_ECDH */
+#define ENABLE_MODULE_ECDH 1
 
 /* Define this symbol to enable the ECDSA pubkey recovery module */
 #define ENABLE_MODULE_RECOVERY 1