gpgme: fix build on macOS

NixOS · Feb 15, 2017 · d1a9f2e · d1a9f2e
1 parent ace12f4
commit d1a9f2e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkgs/development/libraries/gpgme/default.nix b/pkgs/development/libraries/gpgme/default.nix
@@ -30,6 +30,9 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE =
     with stdenv; lib.optional (system == "i686-linux") "-D_FILE_OFFSET_BITS=64";
 
+  AM_CXXFLAGS =
+    with stdenv; lib.optional (isDarwin) "-D_POSIX_C_SOURCE=200809L";
+
   meta = with stdenv.lib; {
     homepage = "http://www.gnupg.org/related_software/gpgme";
     description = "Library for making GnuPG easier to use";