-dnl Searches for a directory to put lockfiles for tty devices.
-dnl Defines C preprocessor variable TTY_LOCK_DIR to a quoted string
-dnl for that directory.
-AC_DEFUN([OVS_CHECK_TTY_LOCK_DIR],
- [AC_CACHE_CHECK([directory used for serial device lockfiles],
- [ovs_cv_path_tty_locks],
- [# This list of candidate directories is from minicom.
- ovs_cv_path_tty_locks=none
- for dir in /etc/locks /var/lock /usr/spool/locks \
- /var/spool/locks /var/spool/lock \
- /usr/spool/uucp /var/spool/uucp /var/run; do
- if test -d $dir; then
- ovs_cv_path_tty_locks=$dir
- break
- fi
- done])
- if test "$ovs_cv_path_tty_locks" = none; then
- AC_MSG_ERROR([cannot find a directory for tty locks])
- fi
- AC_DEFINE_UNQUOTED([TTY_LOCK_DIR], "$ovs_cv_path_tty_locks",
- [Directory used for serial device lockfiles])])
-
-dnl The following check is adapted from GNU PSPP.
-dnl It searches for the ncurses library. If it finds it, it sets
-dnl HAVE_CURSES to yes and sets NCURSES_LIBS and NCURSES_CFLAGS
-dnl appropriate. Otherwise, it sets HAVE_CURSES to no.
-AC_DEFUN([OVS_CHECK_CURSES],
- [if test "$cross_compiling" != yes; then
- AC_CHECK_PROGS([NCURSES_CONFIG], [ncurses5-config ncurses8-config])
- fi
- if test "$NCURSES_CONFIG" = ""; then
- AC_SEARCH_LIBS([tgetent], [ncurses],
- [AC_CHECK_HEADERS([term.h curses.h],
- [HAVE_CURSES=yes],
- [HAVE_CURSES=no])])
- else
- save_cflags=$CFLAGS
- CFLAGS="$CFLAGS $($NCURSES_CONFIG --cflags)"
- AC_CHECK_HEADERS([term.h curses.h],
- [HAVE_CURSES=yes],
- [HAVE_CURSES=no])
- CFLAGS=$save_cflags
- if test "$HAVE_CURSES" = yes; then
- NCURSES_LIBS=$($NCURSES_CONFIG --libs)
- NCURSES_CFLAGS=$($NCURSES_CONFIG --cflags)
- AC_SUBST(NCURSES_CFLAGS)
- AC_SUBST(NCURSES_LIBS)
- fi
- fi
- AM_CONDITIONAL([HAVE_CURSES], [test "$HAVE_CURSES" = yes])])
-
-dnl Checks for linux/vt.h.
-AC_DEFUN([OVS_CHECK_LINUX_VT_H],
- [AC_CHECK_HEADER([linux/vt.h],
- [HAVE_LINUX_VT_H=yes],
- [HAVE_LINUX_VT_H=no])
- AM_CONDITIONAL([HAVE_LINUX_VT_H], [test "$HAVE_LINUX_VT_H" = yes])
- if test "$HAVE_LINUX_VT_H" = yes; then
- AC_DEFINE([HAVE_LINUX_VT_H], [1],
- [Define to 1 if linux/vt.h is available.])
- fi])
-
-dnl Checks for libpcre.
-dnl
-dnl ezio-term wants libpcre that supports the PCRE_PARTIAL feature,
-dnl which is libpcre 7.2 or later.
-AC_DEFUN([OVS_CHECK_PCRE],
- [dnl Make sure that pkg-config is installed.
- m4_pattern_forbid([PKG_CHECK_MODULES])
- PKG_CHECK_MODULES([PCRE],
- [libpcre >= 7.2],
- [HAVE_PCRE_PARTIAL=yes],
- [HAVE_PCRE_PARTIAL=no])
- AM_CONDITIONAL([HAVE_PCRE_PARTIAL], [test "$HAVE_PCRE_PARTIAL" = yes])
- AC_SUBST([HAVE_PCRE_PARTIAL])
-])
-