+dnl ------ mkstemp
+AC_CHECK_FUNCS(mkstemp)
+dnl
+dnl ------ GNU Readline
+READLINE_SHARED_LIBADD=""
+AC_CHECK_LIB(ncurses, tgetent, [READLINE_SHARED_LIBADD="-lncurses"],
+ AC_CHECK_LIB(termcap, tgetent, [READLINE_SHARED_LIBADD="-ltermcap"])
+)
+READLINE_LIBS=""
+AC_CHECK_LIB(readline, readline, [READLINE_LIBS="$READLINE_LIBS -lreadline $READLINE_SHARED_LIBADD"],,$READLINE_SHARED_LIBADD)
+AC_CHECK_LIB(history, add_history, [READLINE_LIBS="$READLINE_LIBS -lhistory"])
+if test "$ac_cv_lib_readline_readline" = "yes"; then
+ AC_CHECK_HEADERS(readline/readline.h readline/history.h)
+ xLIBS=$LIBS
+ LIBS="$LIBS $READLINE_LIBS"
+ AC_TRY_LINK([
+ #include <stdio.h>
+ #include <readline/readline.h>
+ ],[
+ rl_attempted_completion_over = 0;
+ ],AC_DEFINE(HAVE_READLINE_COMPLETION_OVER))
+ AC_TRY_LINK([
+ #include <stdio.h>
+ #include <readline/readline.h>
+ ],[
+ rl_completion_matches (0, 0);
+ ],AC_DEFINE(HAVE_READLINE_RL_COMPLETION_MATCHES))
+ LIBS=$xLIBS
+fi
+dnl
+dnl ------ iconv
+AC_ARG_WITH(iconv, [ --with-iconv[=DIR] iconv library in DIR])
+if test "$with_iconv" != "no"; then
+ AC_MSG_CHECKING(for iconv)
+ oldLIBS="$LIBS"
+ oldCPPFLAGS="${CPPFLAGS}"
+ if test "$with_iconv" != "yes" -a "$with_iconv" != ""; then
+ LIBS="$LIBS -L${with_iconv}/lib"
+ CPPFLAGS="${CPPFLAGS} -I${with_iconv}/include"
+ fi
+ AC_TRY_LINK([
+ #include <iconv.h>
+ ],[
+ iconv_t t = iconv_open("", "");
+ ],[
+ AC_DEFINE(HAVE_ICONV_H)
+ AC_MSG_RESULT(yes)
+ ],[
+ LIBS="$LIBS -liconv"
+ AC_TRY_LINK([
+ #include <iconv.h>
+ ],[
+ iconv_t t = iconv_open("", "");
+ ],[
+ AC_DEFINE(HAVE_ICONV_H)
+ AC_MSG_RESULT(yes)
+ ],[
+ LIBS="$oldLIBS"
+ CPPFLAGS="$oldCPPFLAGS"
+ AC_MSG_RESULT(no)
+ ])
+ ])
+fi
+dnl