diff --git a/pcsx2/gui/Debugger/DebuggerLists.h b/pcsx2/gui/Debugger/DebuggerLists.h
index be5c62b676..cee8d51a34 100644
--- a/pcsx2/gui/Debugger/DebuggerLists.h
+++ b/pcsx2/gui/Debugger/DebuggerLists.h
@@ -21,7 +21,7 @@
 
 struct GenericListViewColumn
 {
-	wchar_t *name;
+	const wchar_t *name;
 	float size;
 	int flags;
 };
diff --git a/plugins/GSdx/GSLinuxDialog.cpp b/plugins/GSdx/GSLinuxDialog.cpp
index ad1667f17e..431492c419 100644
--- a/plugins/GSdx/GSLinuxDialog.cpp
+++ b/plugins/GSdx/GSLinuxDialog.cpp
@@ -29,23 +29,6 @@ GtkWidget *shadeboost_check, *paltex_check, *fba_check, *aa_check,  *native_res_
 GtkWidget *sb_contrast, *sb_brightness, *sb_saturation;
 GtkWidget *resx_spin, *resy_spin;
 
-static void SysMessage(const char *fmt, ...)
-{
-	va_list list;
-	char msg[512];
-
-	va_start(list, fmt);
-	vsprintf(msg, fmt, list);
-	va_end(list);
-
-	if (msg[strlen(msg)-1] == '\n') msg[strlen(msg) - 1] = 0;
-
-	GtkWidget *dialog;
-	dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "%s", msg);
-	gtk_dialog_run (GTK_DIALOG (dialog));
-	gtk_widget_destroy (dialog);
-}
-
 GtkWidget* CreateRenderComboBox()
 {
 	GtkWidget  *render_combo_box;
diff --git a/plugins/GSdx/GSShaderOGL.cpp b/plugins/GSdx/GSShaderOGL.cpp
index f1ee3dad30..3ec2207322 100644
--- a/plugins/GSdx/GSShaderOGL.cpp
+++ b/plugins/GSdx/GSShaderOGL.cpp
@@ -128,7 +128,7 @@ void GSShaderOGL::GS(GLuint s)
 	}
 }
 
-void GSShaderOGL::SetUniformBinding(GLuint prog, GLchar* name, GLuint binding)
+void GSShaderOGL::SetUniformBinding(GLuint prog, const GLchar* name, GLuint binding)
 {
 	GLuint index;
 	index = gl_GetUniformBlockIndex(prog, name);
@@ -137,7 +137,7 @@ void GSShaderOGL::SetUniformBinding(GLuint prog, GLchar* name, GLuint binding)
 	}
 }
 
-void GSShaderOGL::SetSamplerBinding(GLuint prog, GLchar* name, GLuint binding)
+void GSShaderOGL::SetSamplerBinding(GLuint prog, const GLchar* name, GLuint binding)
 {
 	GLint loc = gl_GetUniformLocation(prog, name);
 	if (loc != -1) {
diff --git a/plugins/GSdx/GSShaderOGL.h b/plugins/GSdx/GSShaderOGL.h
index d30c2ca95f..b98a362af5 100644
--- a/plugins/GSdx/GSShaderOGL.h
+++ b/plugins/GSdx/GSShaderOGL.h
@@ -35,8 +35,8 @@ class GSShaderOGL {
 	void SetupUniform();
 	void SetupRessources();
 
-	void SetUniformBinding(GLuint prog, GLchar* name, GLuint binding);
-	void SetSamplerBinding(GLuint prog, GLchar* name, GLuint binding);
+	void SetUniformBinding(GLuint prog, const GLchar* name, GLuint binding);
+	void SetSamplerBinding(GLuint prog, const GLchar* name, GLuint binding);
 
 	bool ValidateShader(GLuint p);
 	bool ValidateProgram(GLuint p);
diff --git a/plugins/zzogl-pg/opengl/GSmain.cpp b/plugins/zzogl-pg/opengl/GSmain.cpp
index e08766e041..99267c99a2 100644
--- a/plugins/zzogl-pg/opengl/GSmain.cpp
+++ b/plugins/zzogl-pg/opengl/GSmain.cpp
@@ -65,11 +65,11 @@ unsigned char zgsbuild	= VER;
 unsigned char zgsminor = 0;
 
 #ifdef _DEBUG
-char *libraryName	 = "ZZ Ogl PG (Debug) ";
+const char *libraryName	 = "ZZ Ogl PG (Debug) ";
 #elif defined(ZEROGS_DEVBUILD)
-char *libraryName	 = "ZZ Ogl PG (Dev)";
+const char *libraryName	 = "ZZ Ogl PG (Dev)";
 #else
-char *libraryName	 = "ZZ Ogl PG ";
+const char *libraryName	 = "ZZ Ogl PG ";
 #endif
 
 extern int g_nPixelShaderVer, g_nFrameRender, g_nFramesSkipped;
@@ -99,7 +99,7 @@ EXPORT_C_(u32) PS2EgetLibType()
 
 EXPORT_C_(char*) PS2EgetLibName()
 {
-	return libraryName;
+	return (char*) libraryName;
 }
 
 EXPORT_C_(u32) PS2EgetLibVersion2(u32 type)
@@ -393,7 +393,7 @@ EXPORT_C_(void) GSchangeSaveState(int newstate, const char* filename)
 	SaveStateExists = (access(SaveStateFile, 0) == 0);
 }
 
-static bool get_snapshot_filename(char *filename, char* path, const char* extension)
+static bool get_snapshot_filename(char *filename, const char* path, const char* extension)
 {
 	FUNCLOG
 
@@ -440,7 +440,7 @@ EXPORT_C_(void) GSmakeSnapshot(char *path)
 	FUNCLOG
 
 	char filename[256];
-	if (get_snapshot_filename(filename, path, (conf.zz_options.tga_snap) ? "bmp" : "jpg"))
+	if (get_snapshot_filename(filename, (const char*)path, (conf.zz_options.tga_snap) ? "bmp" : "jpg"))
 		SaveSnapshot(filename);
 }
 
diff --git a/plugins/zzogl-pg/opengl/Mem_Tables.cpp b/plugins/zzogl-pg/opengl/Mem_Tables.cpp
index 93e9c66efc..ea9be50e8d 100644
--- a/plugins/zzogl-pg/opengl/Mem_Tables.cpp
+++ b/plugins/zzogl-pg/opengl/Mem_Tables.cpp
@@ -346,7 +346,7 @@ u32** g_pageTableNew[MAX_PSM] = {NULL,};
 	32Z, 24Z, 16Z, NULL, NULL, NULL, NULL, NULL,
 	NULL, NULL, 16SZ, NULL, NULL, NULL, NULL, NULL };
 */
-char* psm_name[64] =
+const char* psm_name[64] =
 { 	"PSMCT32", "PSMCT24", "PSMCT16", NULL, NULL, NULL, NULL, NULL,
 	NULL, NULL, "PSMCT16S", NULL, NULL, NULL, NULL, NULL,
 	NULL, NULL, NULL, "PSMT8", "PSMT4", NULL, NULL, NULL,
diff --git a/plugins/zzogl-pg/opengl/Profile.cpp b/plugins/zzogl-pg/opengl/Profile.cpp
index 9e1bd81c34..290a23d5e9 100644
--- a/plugins/zzogl-pg/opengl/Profile.cpp
+++ b/plugins/zzogl-pg/opengl/Profile.cpp
@@ -206,7 +206,7 @@ u64 DVProfWriteStruct(FILE* f, DVPROFSTRUCT* p, int ident)
 	return utime;
 }
 
-void DVProfWrite(char* pfilename, u32 frames)
+void DVProfWrite(const char* pfilename, u32 frames)
 {
 	assert(pfilename != NULL);
 	FILE* f = fopen(pfilename, "wb");
diff --git a/plugins/zzogl-pg/opengl/Profile.h b/plugins/zzogl-pg/opengl/Profile.h
index b6e17b7af3..0c621f98ca 100644
--- a/plugins/zzogl-pg/opengl/Profile.h
+++ b/plugins/zzogl-pg/opengl/Profile.h
@@ -101,7 +101,7 @@ static __forceinline u64 GetCPUTicks()
 // IMPORTANT: For every Register there must be an End
 void DVProfRegister(char* pname);			// first checks if this profiler exists in g_listProfilers
 void DVProfEnd(u32 dwUserData);
-void DVProfWrite(char* pfilename, u32 frames = 0);
+void DVProfWrite(const char* pfilename, u32 frames = 0);
 void DVProfClear();						// clears all the profilers
 
 #define DVPROFILE
diff --git a/plugins/zzogl-pg/opengl/Util.h b/plugins/zzogl-pg/opengl/Util.h
index 38f0795286..adbed89793 100644
--- a/plugins/zzogl-pg/opengl/Util.h
+++ b/plugins/zzogl-pg/opengl/Util.h
@@ -317,8 +317,8 @@ extern void SysCloseLibrary(void *lib);		// Closes Library
 extern void SysMessage(const char *fmt, ...);
 
 #ifdef ZEROGS_DEVBUILD
-extern char* EFFECT_NAME;
-extern char* EFFECT_DIR;
+extern char EFFECT_NAME[256];
+extern char EFFECT_DIR[256];
 extern u32 g_nGenVars, g_nTexVars, g_nAlphaVars, g_nResolve;
 extern bool g_bSaveTrans, g_bUpdateEffect, g_bSaveTex, g_bSaveResolved;
 #endif
diff --git a/plugins/zzogl-pg/opengl/ZZoglCreate.cpp b/plugins/zzogl-pg/opengl/ZZoglCreate.cpp
index ae9c6aa50d..38fa993fa1 100644
--- a/plugins/zzogl-pg/opengl/ZZoglCreate.cpp
+++ b/plugins/zzogl-pg/opengl/ZZoglCreate.cpp
@@ -86,8 +86,8 @@ extern u8* s_lpShaderResources;
 
 // String's for shader file in developer mode
 //#ifdef ZEROGS_DEVBUILD
-char* EFFECT_NAME = "";
-char* EFFECT_DIR = "";
+char EFFECT_NAME[256];
+char EFFECT_DIR[256];
 //#endif
 
 /////////////////////
diff --git a/plugins/zzogl-pg/opengl/ZZoglSave.cpp b/plugins/zzogl-pg/opengl/ZZoglSave.cpp
index fe9f8f4fbb..2ca5fdd70f 100644
--- a/plugins/zzogl-pg/opengl/ZZoglSave.cpp
+++ b/plugins/zzogl-pg/opengl/ZZoglSave.cpp
@@ -33,11 +33,11 @@ extern void ZZGSStateReset();
 
 // Hack for save game compatible!
 #ifdef _DEBUG
-char *libraryNameX	 = "ZeroGS-Pg OpenGL (Debug) ";
+const char *libraryNameX	 = "ZeroGS-Pg OpenGL (Debug) ";
 #elif defined(ZEROGS_DEVBUILD)
-char *libraryNameX	 = "ZeroGS-Pg OpenGL (Dev) ";
+const char *libraryNameX	 = "ZeroGS-Pg OpenGL (Dev) ";
 #else
-char *libraryNameX	 = "ZeroGS Playground OpenGL ";
+const char *libraryNameX	 = "ZeroGS Playground OpenGL ";
 #endif
 
 //------------------ Code
diff --git a/plugins/zzogl-pg/opengl/ZZoglShaders.cpp b/plugins/zzogl-pg/opengl/ZZoglShaders.cpp
index 2ca27a9873..cce839fab7 100644
--- a/plugins/zzogl-pg/opengl/ZZoglShaders.cpp
+++ b/plugins/zzogl-pg/opengl/ZZoglShaders.cpp
@@ -88,8 +88,8 @@ ZZshProgram 	g_vsprog = 0, g_psprog = 0;							// 2 -- ZZ
 ZZshParameter 	g_vparamPosXY[2] = {0}, g_fparamFogColor = 0;
 
 //#ifdef DEVBUILD
-extern char* EFFECT_NAME;		// All this variables used for testing and set manually
-extern char* EFFECT_DIR;
+extern char EFFECT_NAME[256];		// All this variables used for testing and set manually
+extern char EFFECT_DIR[256];
 //#endif
 
 bool g_bCRTCBilinear = true;
diff --git a/plugins/zzogl-pg/opengl/ZZoglShadersGLSL.cpp b/plugins/zzogl-pg/opengl/ZZoglShadersGLSL.cpp
index c3eed11749..88a1a60dea 100644
--- a/plugins/zzogl-pg/opengl/ZZoglShadersGLSL.cpp
+++ b/plugins/zzogl-pg/opengl/ZZoglShadersGLSL.cpp
@@ -93,8 +93,8 @@ ZZshProgram	ZZshMainProgram;
 char*		ZZshSource;			// Shader's source data.	
 off_t		ZZshSourceSize;
 
-extern char* EFFECT_NAME;				// All this variables used for testing and set manually
-extern char* EFFECT_DIR;
+extern char EFFECT_NAME[256];				// All this variables used for testing and set manually
+extern char EFFECT_DIR[256];
 
 bool g_bCRTCBilinear = true;