Use system copies of mhash and udis86.
Also pass -fopenmp when linking to avoid build errors.

--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@ WXCONFIG = wx-config
 #CXX ?= `$(WXCONFIG) --cxx`
 CC = `$(WXCONFIG) --cc`
 CXX = `$(WXCONFIG) --cxx`
-LDFLAGS += -lgomp
+LDFLAGS += -fopenmp -lgomp
 #add this ldflags for WinConsole  "-Wl,--subsystem,console -mconsole" for win-debug
-WXCXXFLAGS= `$(WXCONFIG) --cxxflags` -Iudis86 -Imhash/include -MMD -fopenmp
+WXCXXFLAGS= `$(WXCONFIG) --cxxflags` -MMD -fopenmp
 WXLDFLAGS = `$(WXCONFIG) --libs` `$(WXCONFIG) --libs aui` `$(WXCONFIG) --libs core`
 RC = `$(WXCONFIG) --rescomp`
 #RC = x86_64-w64-mingw32-windres --define WX_CPU_AMD64
@@ -25,7 +25,7 @@ SOURCES= src/HexEditorGui.cpp \
 			src/HexEditorCtrl/wxHexCtrl/Tag.cpp\
 			src/HexEditorCtrl/HexEditorCtrlGui.cpp\
 			src/HexEditorFrame.cpp
-LIBS = udis86/libudis86/.libs/libudis86.a mhash/lib/.libs/libmhash.a
+LIBS = -ludis86 -lmhash
 OBJECTS=$(SOURCES:.cpp=.o)
 DEPENDS=$(OBJECTS:.o=.d)
 LANGUAGEDIRS=`ls -l ./locale | grep ^d | sed s/.*\ //g;`
@@ -36,7 +36,7 @@ EXECUTABLE=wxHexEditor
 EXECUTABLE_WIN=$(EXECUTABLE).exe
 EXECUTABLE_DIR_MAC=$(EXECUTABLE).app
 
-PREFIX      = /usr/local
+PREFIX      = /usr
 BINDIR      = $(PREFIX)/bin
 DATADIR     = $(PREFIX)/share
 LOCALEDIR   = $(DATADIR)/locale
@@ -63,15 +63,6 @@ langs: $(MOBJECTS)
 %.mo : %.po
 	$(MSGFMT) $< -o $@
 
-udis86/libudis86/.libs/libudis86.a:
-	cd udis86;./autogen.sh
-	cd udis86;./configure --host=$(HOST) CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" CPPFLAGS="$(CPPFLAGS)"
-	cd udis86/libudis86; $(MAKE) $(MFLAGS)
-
-mhash/lib/.libs/libmhash.a:
-	cd mhash; ./configure --host=$(HOST) CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" CPPFLAGS="$(CPPFLAGS)"
-	cd mhash; $(MAKE) $(MFLAGS)
-
 win: $(RESOURCES) $(EXECUTABLE_WIN)
 
 #Stack override required for file comparison function...
--- a/src/HexDialogs.cpp
+++ b/src/HexDialogs.cpp
@@ -24,7 +24,7 @@
 #define NANINT 0xFFFFFFFFFFFFFFFFLL
 #include "HexDialogs.h"
 #include <wx/progdlg.h>
-#include "../mhash/include/mhash.h"
+#include <mhash.h>
 
 #ifdef _OPENMP_
    #include <omp.h>
--- a/src/HexEditor.h
+++ b/src/HexEditor.h
@@ -25,7 +25,7 @@
 #ifndef _wxHexEditor_h_
 #define _wxHexEditor_h_
 
-#include "../mhash/include/mhash.h"
+#include <mhash.h>
 
 #include <wx/ffile.h>
 #include <wx/clipbrd.h>
--- a/src/HexPanels.h
+++ b/src/HexPanels.h
@@ -27,7 +27,7 @@
 #include "HexEditorFrame.h"
 #include "HexEditorCtrl/HexEditorCtrl.h"
 #include "HexEditorCtrl/wxHexCtrl/wxHexCtrl.h"
-#include "../udis86/udis86.h"
+#include <udis86.h>
 
 #ifdef WX_GCH
 #include <wx_pch.h>