From 568395d8c0169cea5ee49e8f47ede0c3b956e2a7 Mon Sep 17 00:00:00 2001
From: CharlesThobe <charlesthethobe@gmail.com>
Date: Tue, 4 Jan 2022 04:48:24 +0200
Subject: [PATCH] Use only needed functions from osdlib

---
 cmake_subdirs/ocore_sdl/CMakeLists.txt |  5 +++--
 src/osd/modules/lib/osd_getenv.cpp     | 23 +++++++++++++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 src/osd/modules/lib/osd_getenv.cpp

diff --git a/cmake_subdirs/ocore_sdl/CMakeLists.txt b/cmake_subdirs/ocore_sdl/CMakeLists.txt
index a73666a..4b95756 100644
--- a/cmake_subdirs/ocore_sdl/CMakeLists.txt
+++ b/cmake_subdirs/ocore_sdl/CMakeLists.txt
@@ -5,7 +5,7 @@ ${CMAKE_SOURCE_DIR}/src/emu
 ${CMAKE_SOURCE_DIR}/src/osd
 ${CMAKE_SOURCE_DIR}/src/lib
 ${CMAKE_SOURCE_DIR}/src/lib/util
-${CMAKE_SOURCE_DIR}/src/osd/sdl
+#${CMAKE_SOURCE_DIR}/src/osd/sdl
 )
 
 add_library(ocore_sdl STATIC
@@ -18,7 +18,8 @@ ${CMAKE_SOURCE_DIR}/src/osd/osdsync.cpp
 ${CMAKE_SOURCE_DIR}/src/osd/osdsync.h
 ${CMAKE_SOURCE_DIR}/src/osd/modules/osdmodule.cpp
 ${CMAKE_SOURCE_DIR}/src/osd/modules/osdmodule.h
-${CMAKE_SOURCE_DIR}/src/osd/modules/lib/osdlib_unix_mod.cpp
+#${CMAKE_SOURCE_DIR}/src/osd/modules/lib/osdlib_unix.cpp
+${CMAKE_SOURCE_DIR}/src/osd/modules/lib/osd_getenv.cpp
 ${CMAKE_SOURCE_DIR}/src/osd/modules/lib/osdlib.h
 ${CMAKE_SOURCE_DIR}/src/osd/modules/file/posixdir.cpp
 ${CMAKE_SOURCE_DIR}/src/osd/modules/file/posixfile.cpp
diff --git a/src/osd/modules/lib/osd_getenv.cpp b/src/osd/modules/lib/osd_getenv.cpp
new file mode 100644
index 0000000..7b6bbf6
--- /dev/null
+++ b/src/osd/modules/lib/osd_getenv.cpp
@@ -0,0 +1,23 @@
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert, R. Belmont
+//============================================================
+//
+//  sdlos_*.c - OS specific low level code
+//
+//  SDLMAME by Olivier Galibert and R. Belmont
+//
+//============================================================
+
+// MAME headers
+#include "osdcore.h"
+#include "osdlib.h"
+
+//============================================================
+//  osd_getenv
+//============================================================
+
+const char *osd_getenv(const char *name)
+{
+	return getenv(name);
+}
+