From fe8515de6e8ac33b94917869c668e55a8617eef8 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Mon, 8 Oct 2018 21:37:27 +0300
Subject: [PATCH] asymptote: apply upstream patch for compatibility with a
 newer boehmgc

As referenced in https://github.com/NixOS/nixpkgs/pull/45708#issuecomment-427840944
---
 pkgs/tools/graphics/asymptote/default.nix | 11 ++++++++++-
 pkgs/top-level/all-packages.nix           |  1 -
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/graphics/asymptote/default.nix b/pkgs/tools/graphics/asymptote/default.nix
index a0bf0a434471..102ffae5f9d0 100644
--- a/pkgs/tools/graphics/asymptote/default.nix
+++ b/pkgs/tools/graphics/asymptote/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl
+{stdenv, fetchurl, fetchpatch
   , freeglut, ghostscriptX, imagemagick, fftw
   , boehmgc, libGLU, libGL, mesa_noglu, ncurses, readline, gsl, libsigsegv
   , python, zlib, perl, texLive, texinfo, xz
@@ -33,6 +33,15 @@ stdenv.mkDerivation {
     inherit (s) url sha256;
   };
 
+  patches = [
+    # Remove when updating from 2.47 to 2.48
+    # Compatibility with BoehmGC 7.6.8
+    (fetchpatch {
+      url = "https://github.com/vectorgraphics/asymptote/commit/38a59370dc5ac720c29e1424614a10f7384b943f.patch";
+      sha256 = "0c3d11hzxxaqh24kfw9y8zvlid54kk40rx2zajx7jwl12gga05s1";
+    })
+  ];
+
   preConfigure = ''
     export HOME="$PWD"
     patchShebangs .
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 22ae50b68663..5b97cd827968 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -569,7 +569,6 @@ with pkgs;
   asymptote = callPackage ../tools/graphics/asymptote {
     texLive = texlive.combine { inherit (texlive) scheme-small epsf cm-super; };
     gsl = gsl_1;
-    boehmgc = boehmgc_766;
   };
 
   atomicparsley = callPackage ../tools/video/atomicparsley { };