+dnl Copyright (C) 1996-2017 Free Software Foundation, Inc.
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
+
dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.59)dnl
+AC_PREREQ(2.64)dnl
AC_INIT(Makefile.in)
-AC_CONFIG_HEADER(config.h:config.in)
-
-sinclude(../common/aclocal.m4)
-
-# Bugs in autoconf 2.59 break the call to SIM_AC_COMMON, hack around
-# it by inlining the macro's contents.
-sinclude(../common/common.m4)
+sinclude(../common/acinclude.m4)
-AC_CHECK_HEADERS(stdlib.h)
+SIM_AC_COMMON
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
if test x$sim_cv_os_cygwin = xyes; then
TERMCAP='`if test -r ../../libtermcap/libtermcap.a; then echo ../../libtermcap/libtermcap.a; else echo -ltermcap; fi` -luser32'
else
- AC_CHECK_LIB(termcap, main, TERMCAP=-ltermcap, TERMCAP="")
+ # Keep in sync with gdb's configure.ac list.
+ AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
+ [TERMCAP=$ac_cv_search_tgetent], [TERMCAP=""])
fi
AC_SUBST(TERMCAP)
+# We prefer the in-tree readline. Top-level dependencies make sure
+# src/readline (if it's there) is configured before src/sim.
+if test -r ../../readline/Makefile; then
+ READLINE=../../readline/libreadline.a
+else
+ AC_CHECK_LIB(readline, readline, READLINE=-lreadline,
+ AC_ERROR([the required "readline" library is missing]), $TERMCAP)
+fi
+AC_SUBST(READLINE)
SIM_AC_OUTPUT