Move dep_sort from nix to a submodule.

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "3rdparty/qnanopainter"]
 	path = 3rdparty/qnanopainter
 	url = https://github.com/QUItCoding/qnanopainter
+[submodule "3rdparty/dep_sort"]
+	path = 3rdparty/dep_sort
+	url = https://github.com/graphitemaster/dep_sort

3rdparty/README.md

@@ -1,5 +1,9 @@
-Some of the more obscure packages, which are not available generally available in distributions.
+Some of the more obscure packages, which are not generally available in distributions.
 
 * qlnanopainter: Library for implementing OpenGL accelerated Qt5 C++ UI components.
   - Source: https://github.com/QUItCoding/qnanopainter
   - License: zlib
+
+* dep_sort: Generic topological sorting for sorting a list of dependencies in C++17.
+  - Source: https://github.com/graphitemaster/dep_sort
+  - License: MIT

3rdparty/dep_sort

@@ -0,0 +1 @@
+Subproject commit 9e96e9426e74e6dc24ba26fdd9c2bee5bab72b0b

3rdparty/wscript

@@ -37,6 +37,8 @@ def configure(ctx):
         #'QNANO_USE_RENDERNODE=1',
     ]
 
+    ctx.env['INCLUDES_DEP_SORT'] = os.path.join(ctx.srcnode.abspath(), '3rdparty/dep_sort')
+
 def build(ctx):
     ctx.shlib(
         target='qnanopainter',

appimg/build.sh

@@ -96,7 +96,7 @@ if [ ! -x /usr/local/bin/appimagetool ]; then
     # AppImages, then that (might) leak into the docker container, preventing us from starting the
     # binary. An ugly workaround is to remove the magic bytes from the file.
     # See https://github.com/TheAssassin/AppImageLauncher/issues/407
-    dd if=/dev/zero of=image bs=1 seek=8 count=3 conv=notrunc status=none
+    dd if=/dev/zero of=appimagetool-x86_64.AppImage bs=1 seek=8 count=3 conv=notrunc status=none
     ./appimagetool-x86_64.AppImage --appimage-extract
     rm -fr /opt/appimagetool
     mv squashfs-root /opt/appimagetool
@@ -122,17 +122,6 @@ if [ ! -x /usr/local/bin/flatpy ]; then
     python3 -m pip install /src/flatpy/
 fi
 
-### dep_sort
-
-if [ ! -e /usr/local/include/dep_sort.h ]; then
-    cd /build
-    curl -L -o dep_sort.tar.gz https://github.com/graphitemaster/dep_sort/archive/9e96e9426e74e6dc24ba26fdd9c2bee5bab72b0b.tar.gz
-    mkdir dep_sort
-    cd dep_sort
-    tar -x --gzip -f ../dep_sort.tar.gz --strip-components=1
-    cp dep_sort.h dep_sort.inl dep_sort_stl.h /usr/local/include/
-fi
-
 ### python build dependencies
 
 cd /src

noisicaa.nix

@@ -98,27 +98,6 @@ let
     '';
   };
 
-  # dep_sort: Generic topological sorting for sorting a list of dependencies in C++17.
-  # https://github.com/graphitemaster/dep_sort
-  dep_sort = stdenv.mkDerivation rec {
-    pname = "dep_sort";
-    version = "2018-10-18";
-
-    src = fetchFromGitHub {
-      owner = "graphitemaster";
-      repo = "dep_sort";
-      rev = "9e96e9426e74e6dc24ba26fdd9c2bee5bab72b0b";
-      sha256 = "sha256:15dqhqdy74l38065rkn73s083gysgnwn2rvkx6id85yh57l8np6f";
-    };
-
-    installPhase = ''
-      mkdir -p $out/include
-      cp $src/dep_sort.h $out/include/
-      cp $src/dep_sort.inl $out/include/
-      cp $src/dep_sort_stl.h $out/include/
-    '';
-  };
-
   # FlatBuffers: Memory Efficient Serialization Library
   # https://github.com/google/flatbuffers
   flatbuffers = stdenv.mkDerivation rec {
@@ -157,7 +136,6 @@ in stdenv.mkDerivation {
     nixpkgs.libjack2
     subprocess
     nixpkgs.ffmpeg.dev
-    dep_sort
     nixpkgs.fmt
     qt5.qmake
     qt5.qtbase

noisicaa/engine/wscript

@@ -48,6 +48,7 @@ def build(ctx):
             'SWRESAMPLE',
             'AVUTIL',
             'FLATBUFFERS',
+            'DEP_SORT',
             'noisicaa-core',
             'noisicaa-node_lib'
         ],

wscript

@@ -119,8 +119,6 @@ def configure(ctx):
     ctx.pkg_config('FMT', 'fmt', '7.1.3')
     ctx.pkg_config('PYTHON', 'python3', '3.8')
 
-    ctx.check(header_name='dep_sort_stl.h', features='cxx cxxprogram')
-
     ctx.check_python_module('flatbuffers', condition="ver >= num(2, 0)")
     ctx.check_python_module('eventfd')  # has no __version__