From 127ebc549b3112d2506ec2868ce67a4b6d49769c Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Sun, 11 May 2025 16:14:56 -0500
Subject: [PATCH] + xo-process

---
 CMakeLists.txt      |  3 +--
 default.nix         |  2 +-
 pkgs/xo-process.nix | 31 +++++++++++++++++++++++++++++++
 pkgs/xo-userenv.nix |  4 ++--
 4 files changed, 35 insertions(+), 5 deletions(-)
 create mode 100644 pkgs/xo-process.nix

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30b2d0ae..4ae4987a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,7 +94,7 @@ add_subdirectory(xo-distribution)
 add_subdirectory(xo-pydistribution)
 add_subdirectory(xo-simulator)
 add_subdirectory(xo-pysimulator)
-#add_subdirectory(xo-process)
+add_subdirectory(xo-process)
 #
 add_subdirectory(xo-expression)
 add_subdirectory(xo-pyexpression)
@@ -103,7 +103,6 @@ add_subdirectory(xo-reader)
 add_subdirectory(xo-jit)
 add_subdirectory(xo-pyjit)
 #
-#add_subdirectory(xo-process)
 #add_subdirectory(xo-pyprocess)
 #add_subdirectory(xo-kalmanfilter)
 #add_subdirectory(xo-pykalmanfilter)
diff --git a/default.nix b/default.nix
index 1f99d5e9..106bf973 100644
--- a/default.nix
+++ b/default.nix
@@ -67,7 +67,7 @@ let
           xo-pydistribution = self.callPackage pkgs/xo-pydistribution.nix {};
           xo-simulator      = self.callPackage pkgs/xo-simulator.nix      {};
           xo-pysimulator    = self.callPackage pkgs/xo-pysimulator.nix    {};
-#          xo-process        = self.callPackage pkgs/xo-process.nix        {};
+          xo-process        = self.callPackage pkgs/xo-process.nix        {};
 #
           xo-expression     = self.callPackage pkgs/xo-expression.nix     {};
           xo-pyexpression   = self.callPackage pkgs/xo-pyexpression.nix   {};
diff --git a/pkgs/xo-process.nix b/pkgs/xo-process.nix
new file mode 100644
index 00000000..81f4e464
--- /dev/null
+++ b/pkgs/xo-process.nix
@@ -0,0 +1,31 @@
+{
+  # nixpkgs dependencies
+  stdenv, cmake, catch2,
+
+  # xo dependencies
+  xo-cmake,
+#  xo-refcnt,
+#  xo-reflect,
+  #  xo-reactor,
+  xo-simulator,
+    #, xo-indentlog,
+} :
+
+stdenv.mkDerivation (finalattrs:
+  {
+    name = "xo-process";
+
+    src = ../xo-process;
+
+    cmakeFlags = ["-DCMAKE_MODULE_PATH=${xo-cmake}/share/cmake"];
+    doCheck = true;
+    nativeBuildInputs = [
+      cmake catch2 xo-cmake
+    ];
+    propagatedBuildInputs = [
+      xo-simulator
+#      xo-refcnt
+#      xo-reflect
+#      xo-indentlog
+    ];
+  })
diff --git a/pkgs/xo-userenv.nix b/pkgs/xo-userenv.nix
index 2f4a02bc..3b18646d 100644
--- a/pkgs/xo-userenv.nix
+++ b/pkgs/xo-userenv.nix
@@ -52,7 +52,7 @@
   xo-pydistribution,
   xo-simulator,
   xo-pysimulator,
-#  xo-process,
+  xo-process,
   #xo-pyprocess,
   #xo-kalmanfilter,
   #  xo-pykalmanfilter,
@@ -100,7 +100,7 @@ buildEnv {
             xo-pydistribution
             xo-simulator
             xo-pysimulator
-#            xo-process
+            xo-process
 #
             xo-expression
             xo-pyexpression