From b62788f744225e5ff498059e7c5b9048d31f966d Mon Sep 17 00:00:00 2001
From: Philipp Middendorf <middendorf@plapadoo.de>
Date: Thu, 3 May 2018 13:40:48 +0200
Subject: [PATCH] ledger: enable python command
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ledger in nixpkgs currently uses python (it’s in buildInputs), but the
ledger python command isn’t available until you turn it on via a cmake
flag.
---
 pkgs/applications/office/ledger/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/office/ledger/default.nix b/pkgs/applications/office/ledger/default.nix
index bb6e529f5d2..9675293cfe5 100644
--- a/pkgs/applications/office/ledger/default.nix
+++ b/pkgs/applications/office/ledger/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, cmake, boost, gmp, mpfr, libedit, python
-, texinfo, gnused }:
+, texinfo, gnused, usePython ? true }:
 
 stdenv.mkDerivation rec {
   name = "ledger-${version}";
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  cmakeFlags = [ "-DCMAKE_INSTALL_LIBDIR=lib" ];
+  cmakeFlags = [ "-DCMAKE_INSTALL_LIBDIR=lib" (stdenv.lib.optionalString usePython "-DUSE_PYTHON=true") ];
 
   # Skip byte-compiling of emacs-lisp files because this is currently
   # broken in ledger...