From 9baeb63482c91e7ee1ff5d5be86deea1c14fab34 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Mon, 12 Nov 2018 01:01:52 +0100
Subject: [PATCH] lib2geom: init at 1.0.0

---
 .../libraries/lib2geom/default.nix            | 72 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 2 files changed, 74 insertions(+)
 create mode 100644 pkgs/development/libraries/lib2geom/default.nix

diff --git a/pkgs/development/libraries/lib2geom/default.nix b/pkgs/development/libraries/lib2geom/default.nix
new file mode 100644
index 000000000000..ce494e4b68ad
--- /dev/null
+++ b/pkgs/development/libraries/lib2geom/default.nix
@@ -0,0 +1,72 @@
+{ stdenv
+, fetchFromGitLab
+, fetchpatch
+, cmake
+, ninja
+, pkg-config
+, boost
+, glib
+, gsl
+, cairo
+, double-conversion
+, gtest
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lib2geom-unstable";
+  version = "2020-03-12";
+
+  outputs = [ "out" "dev" ];
+
+  src = fetchFromGitLab {
+    owner = "inkscape";
+    repo = "lib2geom";
+    rev = "226eb8c60f2af639d74a0229c0ba90e649e6451d";
+    sha256 = "BSuqasBfig6HiKY/xtJm7CjbSaV8cW45ip59iEO5Es4=";
+  };
+
+  patches = [
+    # Re-enable assertions for tests to work
+    # https://gitlab.com/inkscape/lib2geom/issues/5
+    # https://gitlab.com/inkscape/lib2geom/merge_requests/17
+    (fetchpatch {
+      url = "https://gitlab.com/inkscape/lib2geom/commit/4aa78f52232682b353eb15c219171e466987bac7.patch";
+      sha256 = "XsX8SPft0RwDemJujc8lierBe4s3iw8YkW4CSlY5LsY=";
+    })
+  ];
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    boost
+    glib
+    gsl
+    cairo
+    double-conversion
+  ];
+
+  checkInputs = [
+    gtest
+  ];
+
+  cmakeBuildType = "RelWithDebugInfo"; # needed to keep assertions for tests working
+
+  cmakeFlags = [
+    "-DCMAKE_SKIP_BUILD_RPATH=OFF" # for tests
+    "-DBUILD_SHARED_LIBS=ON"
+  ];
+
+  doCheck = true;
+
+  meta = with stdenv.lib; {
+    description = "Easy to use 2D geometry library in C++";
+    homepage = "https://gitlab.com/inkscape/lib2geom";
+    license = [ licenses.lgpl21 licenses.mpl11 ];
+    maintainers = with maintainers; [ jtojnar ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e4f1a3d25583..dbf22e2deccd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15635,6 +15635,8 @@ in
 
   leptonica = callPackage ../development/libraries/leptonica { };
 
+  lib2geom = callPackage ../development/libraries/lib2geom { };
+
   lib3ds = callPackage ../development/libraries/lib3ds { };
 
   lib3mf = callPackage ../development/libraries/lib3mf { };