From d583c165683122fb5fd04e3463c8ca7b23edd98b Mon Sep 17 00:00:00 2001
From: "Matthias C. M. Troffaes" <matthias.troffaes@gmail.com>
Date: Fri, 6 Nov 2015 15:02:12 +0000
Subject: libssh2: fix shared library build under mingw

---
 pkgs/development/libraries/libssh2/default.nix | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'pkgs/development/libraries/libssh2')

diff --git a/pkgs/development/libraries/libssh2/default.nix b/pkgs/development/libraries/libssh2/default.nix
index 2bd7950751b..5e12ea734c1 100644
--- a/pkgs/development/libraries/libssh2/default.nix
+++ b/pkgs/development/libraries/libssh2/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurlBoot, openssl, zlib}:
+{stdenv, fetchurlBoot, openssl, zlib, windows}:
 
 stdenv.mkDerivation rec {
   name = "libssh2-1.6.0";
@@ -10,6 +10,21 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ openssl zlib ];
 
+  crossAttrs = {
+    # link against cross-built libraries
+    configureFlags = [
+      "--with-openssl"
+      "--with-libssl-prefix=${openssl.crossDrv}"
+      "--with-libz"
+      "--with-libz-prefix=${zlib.crossDrv}"
+    ];
+  } // stdenv.lib.optionalAttrs (stdenv.cross.libc == "msvcrt") {
+    # mingw needs import library of ws2_32 to build the shared library
+    preConfigure = ''
+      export LDFLAGS="-L${windows.mingw_w64}/lib $LDFLAGS"
+    '';
+  };
+
   meta = {
     description = "A client-side C library implementing the SSH2 protocol";
     homepage = http://www.libssh2.org;
-- 
cgit 1.4.1