Linux support

Author: mittorn

CMakeLists.txt

@@ -45,7 +45,7 @@ if(WIN32)
 	add_compile_definitions(/w26812)
 	endif()
 else()
-	set(library_filename "${library_name}.so")
+	set(library_filename "../lib${library_name}.so")
 endif(WIN32)
 
 configure_file(

src/layer.cpp

@@ -7,6 +7,7 @@
 #include "layer.hpp"
 #include "layer_config.hpp"
 #include <stdexcept>
+#include <string.h>
 
 OpenXRLayer* OpenXRLayer::this_layer = nullptr;
 std::vector<const char*> OpenXRLayer::extensions{};
@@ -18,14 +19,13 @@ void OpenXRLayer::SetEnabledExtensions(const std::vector<const char*>& extension
 
 bool OpenXRLayer::IsExtensionEnabled(const char* extensionName)
 {
-	const auto iterator = std::find_if(extensions.begin(),
-		extensions.end(),
-		[extensionName](const char* enabled_extension)
-		{
-			return 0 == strcmp(extensionName, enabled_extension);
-		});
-
-	return iterator != extensions.end();
+	for(const auto ext : extensions)
+	{
+		if(!strcmp(ext, extensionName))
+			return true;
+	}
+
+	return false;
 }
 
 OpenXRLayer::OpenXRLayer(PFN_xrGetInstanceProcAddr nextLayerGetInstanceProcAddr) :

src/layer_bootstrap.hpp

@@ -11,7 +11,14 @@
 #define XR_OS_WINDOWS
 #define WIN32_LEAN_AND_MEAN
 #define NOMINMAX
-#include <Windows.h>
+#include <windows.h>
+#elif defined __linux__
+// openxr loader recommends using secure_getenv, which was introduced in glibc 2.17
+#include <stdlib.h>
+#define XR_OS_LINUX
+#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 17
+#define HAVE_SECURE_GETENV
+#endif
 #endif
 
 #include "openxr/openxr_platform_defines.h"