From 0230167a1798627bf37d66b127c3568b9e646559 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Mancilla?= <smancill@smancill.dev>
Date: Mon, 12 Jul 2021 18:25:09 -0400
Subject: [PATCH 1/3] ifstat: build on darwin

---
 pkgs/tools/networking/ifstat-legacy/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/ifstat-legacy/default.nix b/pkgs/tools/networking/ifstat-legacy/default.nix
index 8383f82fd93c..014cce5ea4f1 100644
--- a/pkgs/tools/networking/ifstat-legacy/default.nix
+++ b/pkgs/tools/networking/ifstat-legacy/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "01zmv6vk5kh5xmd563xws8a1qnxjb6b6kv59yzz9r3rrghxhd6c5";
   };
 
-  buildInputs = [ net-snmp ];
+  buildInputs = lib.optional stdenv.isLinux net-snmp;
 
   nativeBuildInputs = [ autoreconfHook ];
 

From 7deb6b2aef27133c71381bb2683cd758824da55e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Mancilla?= <smancill@smancill.dev>
Date: Mon, 12 Jul 2021 18:20:11 -0400
Subject: [PATCH 2/3] bmon: build on darwin

---
 pkgs/tools/misc/bmon/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/misc/bmon/default.nix b/pkgs/tools/misc/bmon/default.nix
index ca5f99f3b62a..758a42d15385 100644
--- a/pkgs/tools/misc/bmon/default.nix
+++ b/pkgs/tools/misc/bmon/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook pkg-config ];
 
-  buildInputs = [ ncurses libconfuse libnl ];
+  buildInputs = [ ncurses libconfuse ] ++ lib.optional stdenv.isLinux libnl;
 
   preConfigure = ''
     # Must be an absolute path
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     #  - https://github.com/tgraf/bmon/blob/master/LICENSE.BSD
     #  - https://github.com/tgraf/bmon/blob/master/LICENSE.MIT
     license = licenses.bsd2;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = with maintainers; [ bjornfor pSub ];
   };
 }

From 7cbefdda67d4c8c4c32d348712caef967c6fca33 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Mancilla?= <smancill@smancill.dev>
Date: Mon, 12 Jul 2021 18:00:18 -0400
Subject: [PATCH 3/3] gcal: depend on gettext on Darwin

Without gettext the gcal binary crashes on macOS:

   $ ./src/gcal
   Illegal instruction: 4
---
 pkgs/applications/misc/gcal/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/misc/gcal/default.nix b/pkgs/applications/misc/gcal/default.nix
index 28de8e0eceae..da190218d095 100644
--- a/pkgs/applications/misc/gcal/default.nix
+++ b/pkgs/applications/misc/gcal/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, ncurses, fetchpatch }:
+{ lib, stdenv, fetchurl, ncurses, gettext, fetchpatch }:
 
 stdenv.mkDerivation rec {
   pname = "gcal";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  buildInputs = [ ncurses ];
+  buildInputs = [ ncurses ] ++ lib.optional stdenv.isDarwin gettext;
 
   meta = {
     description = "Program for calculating and printing calendars";