Use system copies of mhash and udis86.
Also pass -fopenmp when linking to avoid build errors.
Remove -O2 from forced CXXFLAGS.

--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 WXCONFIG ?= wx-config
 HOST=
-WXCXXFLAGS= `$(WXCONFIG) --cxxflags` -Iudis86 -Imhash/include -MMD -fopenmp -Wall -O2
+WXCXXFLAGS= `$(WXCONFIG) --cxxflags` -MMD -fopenmp -Wall
 WXLDFLAGS = `$(WXCONFIG) --libs` `$(WXCONFIG) --libs aui` `$(WXCONFIG) --libs core`
 WXCXXFLAGS += -fopenmp
-LDFLAGS += -lgomp
+LDFLAGS += -fopenmp -lgomp
 #add this ldflags for WinConsole  "-Wl,--subsystem,console -mconsole" for win-debug
 #LDFLAGS += -Wl,--subsystem,console -mconsole
 RC = `$(WXCONFIG) --rescomp`
@@ -22,7 +22,7 @@ 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;`
@@ -68,15 +68,6 @@ langs: $(MOBJECTS)
 %.mo : %.po
 	$(MSGFMT) $< -o $@
 
-udis86/libudis86/.libs/libudis86.a:
-	cd udis86;./autogen.sh
-	cd udis86;./configure --host=$(HOST) CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS) ${OPTFLAGS}" CXXFLAGS="$(CXXFLAGS) ${OPTFLAGS}" CPPFLAGS="$(CPPFLAGS)"
-	cd udis86/libudis86; $(MAKE) $(MFLAGS)
-
-mhash/lib/.libs/libmhash.a:
-	cd mhash; ./configure --host=$(HOST) CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS) ${OPTFLAGS}" CXXFLAGS="$(CXXFLAGS) ${OPTFLAGS}" CPPFLAGS="$(CPPFLAGS)"
-	cd mhash; $(MAKE) $(MFLAGS)
-
 src/windrv.o:
 	$(CXX) $(LIBS) ${CXXFLAGS} ${OPTFLAGS} $(WXCXXFLAGS) $(WXLDFLAGS) ${LDFLAGS} -c src/windrv.cpp -o src/windrv.o
 
--- 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 __SSE2__
 	#include <emmintrin.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>