diff -rupN wiimms-iso-tools.orig/project/Makefile wiimms-iso-tools/project/Makefile
--- wiimms-iso-tools.orig/project/Makefile	2020-08-14 16:44:53.248171741 +0200
+++ wiimms-iso-tools/project/Makefile	2020-08-14 16:54:48.841047552 +0200
@@ -171,7 +171,7 @@ endif
 TOPT_wit	:= $(OPT_STATIC)
 TOPT_wwt	:= $(OPT_STATIC)
 TOPT_wdf	:= $(OPT_STATIC)
-TOPT_wfuse	:= -lfuse -lpthread -ldl
+TOPT_wfuse	:= -lfuse -lpthread
 
 #TOPT_ALL	:= $(TOPT_wit) $(TOPT_wwt) $(TOPT_wdf) $(TOPT_wfuse)
 
@@ -206,8 +206,8 @@ else
 endif
 
 # lib summary
-LIB_LIST	+= libbz2 lzma
-LIB_OBJECTS	+= $(LIBBZ2_OBJ) $(LZMA_OBJ)
+LIB_LIST	+= lzma
+LIB_OBJECTS	+= $(LZMA_OBJ)
 RM_FILES	+= $(foreach l,$(LIB_LIST),src/$(l)/*.{d,o})
 
 
@@ -297,10 +297,8 @@ DEFINES1	+= -D_7ZIP_ST=1		# disable 7zip
 DEFINES1	+= -D_LZMA_PROB32=1	# LZMA option
 DEFINES		=  $(strip $(DEFINES1) $(MODE) $(XDEF))
 
-CFLAGS		+= -std=gnu99 -fomit-frame-pointer -fno-strict-aliasing -funroll-loops
 CFLAGS		+= -Wall -Wno-parentheses -Wno-unused-function
-#CFLAGS		+= -O3 -Isrc/libwbfs -Isrc/lzma -Isrc -I$(UI) -I. -Iwork
-CFLAGS		+= -O3 -Isrc/libwbfs -Isrc -I$(UI) -I. -Iwork
+CFLAGS		+= -Isrc/libwbfs -Isrc -I$(UI) -I. -Iwork
 
 ifeq ($(SYSTEM_LINUX),1)
   LIBS		+= -ltinfo
@@ -327,7 +325,7 @@ LDFLAGS		:= $(strip $(LDFLAGS))
 ifeq ($(HAVE_ZLIB),1)
  LIBS		+= -lz
 endif
-LIBS		+= -lm -lncurses $(XLIBS)
+LIBS		+= -lm $(shell pkg-config --libs ncurses) -lbz2 $(XLIBS)
 
 DISTRIB_RM	= ./wit-v$(VERSION)-r
 DISTRIB_BASE	= wit-v$(VERSION)-r$(REVISION_NEXT)