From cdc72478d3041f3f70961c4e4c039c9672996edf Mon Sep 17 00:00:00 2001
From: Mike Nolan <tesses@tesses.net>
Date: Wed, 16 Apr 2025 12:39:49 -0500
Subject: [PATCH] Make CROSSLANG_CONFIG a environment variable

---
 CMakeLists.txt              | 4 ++++
 src/runtime_methods/env.cpp | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1bff314..1d1cd9d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@ option(CROSSLANG_ENABLE_TERMIOS "Enable termios (For changing terminal options)"
 option(CROSSLANG_ENABLE_PLATFORM_FOLDERS "Enable platform folders" ON)
 option(CROSSLANG_SHARED_EXECUTABLES "Link with libcrosslang_shared" ON)
 option(CROSSLANG_FETCHCONTENT "Use fetchcontent" ON)
+option(CROSSLANG_ENABLE_CONFIG_ENVVAR "Allow setting config directory via the environment variable CROSSLANG_CONFIG" ON)
 
 option(CROSSLANG_CUSTOM_CONSOLE "Enable custom Console" OFF)
 
@@ -50,6 +51,9 @@ else()
 find_package(TessesFramework REQUIRED)
 endif()
 function(CROSSLANG_LINK_DEPS CROSSLANG_TARGET_NAME)
+if(CROSSLANG_ENABLE_CONFIG_ENVVAR)
+target_compile_definitions(${CROSSLANG_TARGET_NAME} PUBLIC CROSSLANG_ENABLE_CONFIG_ENVVAR)
+endif()
 if(CROSSLANG_ENABLE_PROCESS)
 target_compile_definitions(${CROSSLANG_TARGET_NAME} PUBLIC CROSSLANG_ENABLE_PROCESS)
 endif()
diff --git a/src/runtime_methods/env.cpp b/src/runtime_methods/env.cpp
index 20bb1f6..da73308 100644
--- a/src/runtime_methods/env.cpp
+++ b/src/runtime_methods/env.cpp
@@ -25,6 +25,13 @@ namespace Tesses::CrossLang
     }
     Tesses::Framework::Filesystem::VFSPath GetCrossLangConfigDir()
     {
+        #if defined(CROSSLANG_ENABLE_CONFIG_ENVVAR)
+        char* conf = std::getenv("CROSSLANG_CONFIG");
+        if(conf != NULL)
+        {
+            return std::string(conf);
+        }
+        #endif
         Tesses::Framework::Filesystem::VFSPath p;
         #if defined(CROSSLANG_ENABLE_PLATFORM_FOLDERS)
         p=sago::getConfigHome();