diff -r 707761d59a4a configure.ac
--- a/configure.ac	Sat Jul 07 03:06:42 2012 +0200
+++ b/configure.ac	Sat Jul 07 03:25:46 2012 +0200
@@ -1485,11 +1485,9 @@
 
 # checks for header files
 AC_HEADER_STDC
-ac_save_cppflags="$CPPFLAGS"
-CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"
-AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
+AC_CHECK_HEADERS(asm/types.h conio.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
-ieeefp.h io.h langinfo.h libintl.h ncurses.h process.h pthread.h \
+ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
 sched.h shadow.h signal.h stdint.h stropts.h termios.h \
 unistd.h utime.h \
 poll.h sys/devpoll.h sys/epoll.h sys/poll.h \
@@ -1500,7 +1498,6 @@
 sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
 libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
 bluetooth/bluetooth.h linux/tipc.h spawn.h util.h)
-CPPFLAGS=$ac_save_cppflags
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
 
@@ -1520,14 +1517,6 @@
 #endif
 ])
 
-
-# On Solaris, term.h requires curses.h
-AC_CHECK_HEADERS(term.h,,,[
-#ifdef HAVE_CURSES_H
-#include <curses.h>
-#endif
-])
-
 # On Linux, netlink.h requires asm/types.h
 AC_CHECK_HEADERS(linux/netlink.h,,,[
 #ifdef HAVE_ASM_TYPES_H
@@ -4208,8 +4197,19 @@
   [Define if you have struct stat.st_mtimensec])
 fi
 
+# first curses header check
 ac_save_cppflags="$CPPFLAGS"
 CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"
+
+AC_CHECK_HEADERS(curses.h ncurses.h)
+
+# On Solaris, term.h requires curses.h
+AC_CHECK_HEADERS(term.h,,,[
+#ifdef HAVE_CURSES_H
+#include <curses.h>
+#endif
+])
+
 # On HP/UX 11.0, mvwdelch is a block with a return statement
 AC_MSG_CHECKING(whether mvwdelch is an expression)
 AC_CACHE_VAL(ac_cv_mvwdelch_is_expression,