sim/erc32/configure.ac

   1 dnl Copyright (C) 1996-2020 Free Software Foundation, Inc.
   2 dnl
   3 dnl This program is free software; you can redistribute it and/or modify
   4 dnl it under the terms of the GNU General Public License as published by
   5 dnl the Free Software Foundation; either version 3 of the License, or
   6 dnl (at your option) any later version.
   7 dnl
   8 dnl This program is distributed in the hope that it will be useful,
   9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 dnl GNU General Public License for more details.
  12 dnl
  13 dnl You should have received a copy of the GNU General Public License
  14 dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 dnl Process this file with autoconf to produce a configure script.
  17 AC_INIT(Makefile.in)
  18 sinclude(../common/acinclude.m4)
  19
  20 SIM_AC_COMMON
  21
  22 # In the Cygwin environment, we need some additional flags.
  23 AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
  24 [AC_EGREP_CPP(lose, [
  25 #ifdef __CYGWIN__
  26 lose
  27 #endif],[sim_cv_os_cygwin=yes],[sim_cv_os_cygwin=no])])
  28
  29 # Keep in sync with gdb's configure.ac list.
  30 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
  31   [TERMCAP=$ac_cv_search_tgetent], [TERMCAP=""])
  32 if test x$sim_cv_os_cygwin = xyes; then
  33   TERMCAP="${TERMCAP} -luser32"
  34 fi
  35 AC_SUBST(TERMCAP)
  36
  37 # We prefer the in-tree readline.  Top-level dependencies make sure
  38 # src/readline (if it's there) is configured before src/sim.
  39 if test -r ../../readline/Makefile; then
  40   READLINE=../../readline/libreadline.a
  41 else
  42   AC_CHECK_LIB(readline, readline, READLINE=-lreadline,
  43                AC_ERROR([the required "readline" library is missing]), $TERMCAP)
  44 fi
  45 AC_SUBST(READLINE)
  46 SIM_AC_OUTPUT