https://bugs.gentoo.org/690072

--- mudix-4.3/configure.in
+++ mudix-4.3/configure.in
@@ -4,9 +4,12 @@
 
 dnl Checks for programs.
 AC_PROG_CC
+PKG_PROG_PKG_CONFIG
 
 dnl Checks for libraries.
-AC_CHECK_LIB(ncurses, initscr)
+PKG_CHECK_MODULES(NCURSES, ncurses,,
+		  [AC_MSG_ERROR([Cannot find ncurses libs])]
+		 )
 AC_CHECK_LIB(panel, new_panel)
 
 dnl Checks for header files.
--- mudix-4.3/Makefile.in
+++ mudix-4.3/Makefile.in
@@ -1,5 +1,7 @@
+export NCURSES_LIBS=@NCURSES_LIBS@
+
 all:
-	(cd src; make) 
+	$(MAKE) -C src 
 
 clean:
-	(cd src; make $@)
+	$(MAKE) -C src $@
--- mudix-4.3/src/Makefile.in
+++ mudix-4.3/src/Makefile.in
@@ -2,9 +2,8 @@
 #DEBUG   = -DKEY_DEBUG 
 DEBUG   = 
 EXEC    = ../mudix
-O_FLAGS = -O -g
 C_FLAGS = $(O_FLAGS) $(DEBUG) -Wall -I../include
-L_FLAGS = $(O_FLAGS) $(DEBUG) -lpanel -lncurses
+L_FLAGS = $(O_FLAGS) $(DEBUG) -lpanel $(NCURSES_LIBS)
 
 O_FILES = alias.o \
           commands.o \