From 5b143ccc91a63f19aee15fcb133c484d54bdca5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Erik=20B=C3=A4ckman?=
 <46724898+erikbackman@users.noreply.github.com>
Date: Mon, 17 May 2021 19:16:51 +0200
Subject: [PATCH] numworks-epsilon: 15.3.2 -> 15.5.0 (#122760)

Co-authored-by: erikbackman <erikbackman@users.noreply.github.com>
---
 .../0001-ion-linux-makerules.patch               | 12 ++++++++++++
 .../science/math/numworks-epsilon/default.nix    | 16 +++++++++++++---
 2 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 pkgs/applications/science/math/numworks-epsilon/0001-ion-linux-makerules.patch

diff --git a/pkgs/applications/science/math/numworks-epsilon/0001-ion-linux-makerules.patch b/pkgs/applications/science/math/numworks-epsilon/0001-ion-linux-makerules.patch
new file mode 100644
index 000000000000..0bc29b9aab5f
--- /dev/null
+++ b/pkgs/applications/science/math/numworks-epsilon/0001-ion-linux-makerules.patch
@@ -0,0 +1,12 @@
+diff --git a/ion/src/simulator/linux/Makefile b/ion/src/simulator/linux/Makefile
+index ca7da03fa..b05bba115 100644
+--- a/ion/src/simulator/linux/Makefile
++++ b/ion/src/simulator/linux/Makefile
+@@ -28,7 +28,6 @@ ion_src += $(addprefix ion/src/simulator/shared/, \
+   collect_registers.cpp \
+   haptics.cpp \
+   journal.cpp \
+-  platform_action_modifier_ctrl.cpp \
+   state_file.cpp \
+ )
+ 
diff --git a/pkgs/applications/science/math/numworks-epsilon/default.nix b/pkgs/applications/science/math/numworks-epsilon/default.nix
index 9ec41386da5b..a90ebc67b65b 100644
--- a/pkgs/applications/science/math/numworks-epsilon/default.nix
+++ b/pkgs/applications/science/math/numworks-epsilon/default.nix
@@ -2,6 +2,8 @@
 , lib
 , fetchFromGitHub
 , libpng
+, libjpeg
+, freetype
 , xorg
 , python3
 , imagemagick
@@ -11,18 +13,20 @@
 
 stdenv.mkDerivation rec {
   pname = "numworks-epsilon";
-  version = "15.3.2";
+  version = "15.5.0";
 
   src = fetchFromGitHub {
     owner = "numworks";
     repo = "epsilon";
     rev = version;
-    sha256 = "1q34dilyypiggjs16486jm122yf20wcigqxvspc77ig9albaxgh5";
+    sha256 = "fPBO3FzZ4k5OxG+Ifc6R/au4Te974HNKAEdHz+aFdSg=";
   };
 
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libpng
+    libjpeg
+    freetype
     xorg.libXext
     python3
     imagemagick
@@ -33,6 +37,12 @@ stdenv.mkDerivation rec {
     "PLATFORM=simulator"
   ];
 
+  patches = [
+    # Remove make rule Introduced in cba596dde7
+    # which causes it to not build with nix
+    ./0001-ion-linux-makerules.patch
+  ];
+
   installPhase = ''
     runHook preInstall
 
@@ -44,7 +54,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = "Emulator for Epsilon, a High-performance graphing calculator operating system";
+    description = "Simulator for Epsilon, a High-performance graphing calculator operating system";
     homepage = "https://numworks.com/";
     license = licenses.cc-by-nc-sa-40;
     maintainers = with maintainers; [ erikbackman ];