works? maybe?

.github/workflows/run_unit_tests.yml

@@ -29,6 +29,9 @@ jobs:
           sudo apt update || true
           sudo apt install -o APT::Immediate-Configure=false zlib1g-dev:i386 libssl-dev:i386
           bash tools/ci/install_rust_g.sh
+      - name: Install auxlua
+        run: |
+          bash tools/ci/install_auxlua.sh
       - name: Configure version
         run: |
           echo "BYOND_MAJOR=${{ inputs.major }}" >> $GITHUB_ENV

.gitignore

@@ -37,3 +37,8 @@ colonialmarines.json
 
 # From auxtools code coverage
 code_coverage.xml
+
+# Built auxtools libraries and intermediate files
+#aux*.dll
+#libaux*.so
+#aux*.pdb

.vscode/launch.json

@@ -15,6 +15,18 @@
             "preLaunchTask": "Build All",
             "dmb": "${workspaceFolder}/${command:CurrentDMB}",
             "dreamDaemon": true
-        }
+        },
+        {
+			"name": "Debug External Libraries",
+			"type": "cppvsdbg",
+			"request": "launch",
+			"program": "${command:dreammaker.returnDreamDaemonPath}",
+			"cwd": "${workspaceRoot}",
+			"args": [
+				"${command:dreammaker.getFilenameDmb}",
+				"-trusted"
+			],
+			"preLaunchTask": "Build All"
+		},
     ]
 }

code/__HELPERS/auxtools.dm

@@ -1,5 +1,6 @@
 /// Macro for getting the auxtools library file
 #define AUXLIB(name) (world.system_type == MS_WINDOWS ? "[#name].dll" : __detect_auxtools(#name))
+#define AUXLUA AUXLIB(auxlua)
 
 /proc/__detect_auxtools(library)
 	if(IsAdminAdvancedProcCall())

code/__HELPERS/auxtools_api.dm

@@ -55,6 +55,7 @@ GLOBAL_PROTECT(auxtools_initialized)
 	CRASH("auxcov not loaded")
 
 /world/Del()
+	AUXTOOLS_FULL_SHUTDOWN(AUXLUA)
 	var/debug_server = world.GetConfig("env", "AUXTOOLS_DEBUG_DLL")
 	if (debug_server)
 		LIBCALL(debug_server, "auxtools_shutdown")()

code/game/world.dm

@@ -374,7 +374,7 @@ GLOBAL_LIST_INIT(reboot_sfx, file2list("config/reboot_sfx.txt"))
 
 /world/proc/init_coverage()
 #ifdef CODE_COVERAGE
-	AUXTOOLS_CHECK_NO_CONFIG(world.GetConfig("env", "AUXTOOLS_DEBUG_DLL"))
+	AUXTOOLS_CHECK_NO_CONFIG(AUXLUA)
 	start_code_coverage("code_coverage.xml")
 #else
 	return

dependencies.sh

@@ -19,3 +19,9 @@ export SPACEMAN_DMM_VERSION=suite-1.8
 
 # Python version for mapmerge and other tools
 export PYTHON_VERSION=3.7.9
+
+#auxlua repo
+export AUXLUA_REPO=tgstation/auxlua
+
+#auxlua git tag
+export AUXLUA_VERSION=1.4.4

tools/ci/install_auxlua.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+source dependencies.sh
+
+mkdir -p ~/.byond/bin
+wget -nv -O ~/.byond/bin/libauxlua.so "https://github.com/$AUXLUA_REPO/releases/download/$AUXLUA_VERSION/libauxlua-coverage.so"
+chmod +x ~/.byond/bin/libauxlua.so
+ldd ~/.byond/bin/libauxlua.so