--- Makefile.orig	2014-01-22 11:33:35.000000000 +0100
+++ Makefile	2014-01-25 19:13:32.000000000 +0100
@@ -15,7 +15,7 @@
 STRIP = $(CROSS)strip
 endif
 
-CFLAGS += -fPIC -O3 -Wall -Iinclude
+CFLAGS += -fPIC -Wall -Iinclude
 
 ifeq ($(USE_SYS_DYN_MEM),yes)
 CFLAGS += -DUSE_SYS_DYN_MEM
@@ -38,6 +38,14 @@
 endif
 endif
 
+LIBDATADIR = $(LIBDIR)
+UNAME_S := $(shell uname -s)
+ifeq ($(UNAME_S), FreeBSD)
+LIBDATADIR = $(DESTDIR)$(PREFIX)/libdata
+else
+LIBDATADIR = $(LIBDIR)
+endif
+
 INSTALL_BIN ?= install
 INSTALL_DATA ?= $(INSTALL_BIN) -m0644
 INSTALL_LIBRARY ?= $(INSTALL_BIN) -m0755
@@ -88,7 +96,6 @@
 
 LIBOBJ += MCInst.o
 
-UNAME_S := $(shell uname -s)
 # OSX?
 ifeq ($(UNAME_S),Darwin)
 EXT = dylib
@@ -156,14 +163,14 @@
 	$(INSTALL_DATA) lib$(LIBNAME).$(AR_EXT) $(LIBDIR)
 	mkdir -p $(INCDIR)/$(LIBNAME)
 	$(INSTALL_DATA) include/*.h $(INCDIR)/$(LIBNAME)
-	mkdir -p $(LIBDIR)/pkgconfig
-	$(INSTALL_DATA) $(PKGCFGF) $(LIBDIR)/pkgconfig/
+	mkdir -p $(LIBDATADIR)/pkgconfig
+	$(INSTALL_DATA) $(PKGCFGF) $(LIBDATADIR)/pkgconfig/
 
 uninstall:
 	rm -rf $(INCDIR)/$(LIBNAME)
 	rm -f $(LIBDIR)/lib$(LIBNAME).$(EXT)
 	rm -f $(LIBDIR)/lib$(LIBNAME).$(AR_EXT)
-	rm -f $(LIBDIR)/pkgconfig/$(LIBNAME).pc
+	rm -f $(LIBDATADIR)/pkgconfig/$(LIBNAME).pc
 
 clean:
 	rm -f $(LIBOBJ) lib$(LIBNAME).*