| 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 |