diff --git a/README.md b/README.md
index 24c073a32b..7d5516bbac 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ __Windows__
 
 __Linux__
 * Debian & Ubuntu: `sudo apt-get install libopenal-dev libwxgtk3.0-dev build-essential libglew-dev`
+* Arch: `sudo pacman -S glew openal wxgtk cmake llvm`
 
 __Mac OSX__
 * Install with Homebrew: `brew install glew wxwidgets`
diff --git a/Utilities/rFile.cpp b/Utilities/rFile.cpp
index 88db8ad28e..b25310ab4d 100644
--- a/Utilities/rFile.cpp
+++ b/Utilities/rFile.cpp
@@ -5,6 +5,7 @@
 #include <wx/file.h>
 #include <wx/filename.h>
 #include "rFile.h"
+#include "errno.h"
 
 #ifdef _WIN32
 #include <Windows.h>
@@ -25,7 +26,7 @@ std::wstring ConvertUTF8ToWString(const std::string &source) {
 #ifdef _WIN32
 #define GET_API_ERROR GetLastError()
 #else
-#define GET_API_ERROR err
+#define GET_API_ERROR errno
 #endif
 
 bool getFileInfo(const char *path, FileInfo *fileInfo) {
@@ -112,7 +113,7 @@ bool rRmdir(const std::string &dir)
 #ifdef _WIN32
 	if (!RemoveDirectory(ConvertUTF8ToWString(dir).c_str()))
 #else
-	if (int err = rmdir(dir.c_str()))
+	if (rmdir(dir.c_str()))
 #endif
 	{
 		LOG_ERROR(GENERAL, "Error deleting directory %s: 0x%llx", dir.c_str(), (u64)GET_API_ERROR);
@@ -152,7 +153,7 @@ bool rRemoveFile(const std::string &file)
 #ifdef _WIN32
 	if (!DeleteFile(ConvertUTF8ToWString(file).c_str()))
 #else
-	if (int err = unlink(file.c_str()))
+	if (unlink(file.c_str()))
 #endif
 	{
 		LOG_ERROR(GENERAL, "Error deleting file %s: 0x%llx", file.c_str(), (u64)GET_API_ERROR);
diff --git a/rpcs3/CMakeLists.txt b/rpcs3/CMakeLists.txt
index 495d00f44e..c20b911b90 100644
--- a/rpcs3/CMakeLists.txt
+++ b/rpcs3/CMakeLists.txt
@@ -45,6 +45,7 @@ endif()
 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	#on some Linux distros shm_unlink and similar functions are in librt only
 	set(ADDITIONAL_LIBS "rt")
+	set(ADDITIONAL_LIBS "X11")
 elseif(UNIX)
 	#it seems like glibc includes the iconv functions we use but other libc
 	#implementations like the one on OSX don't seem implement them