diff --git a/pkgs/by-name/ch/chmlib/package.nix b/pkgs/by-name/ch/chmlib/package.nix
index 6c3ce72e3576..6b7f22c09c8f 100644
--- a/pkgs/by-name/ch/chmlib/package.nix
+++ b/pkgs/by-name/ch/chmlib/package.nix
@@ -22,6 +22,11 @@ stdenv.mkDerivation rec {
     NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";
   };
 
+  configureFlags = [
+    "--enable-examples"
+    "--enable-devel"
+  ];
+
   meta = with lib; {
     homepage = "http://www.jedrea.com/chmlib";
     license = licenses.lgpl2;