3 AC_INIT(guile-readline,
4 m4_esyscmd(. ../GUILE-VERSION && echo -n ${GUILE_VERSION}))
5 AC_CONFIG_SRCDIR(readline.c)
6 AM_INIT_AUTOMAKE([foreign no-define])
8 . $srcdir/../GUILE-VERSION
17 dnl Check for Winsock and other functionality on Win32 (*not* CygWin)
22 if test "$MINGW32" = "yes" ; then
23 if test $enable_shared = yes ; then
24 EXTRA_DEFS="-DSCM_IMPORT"
29 for termlib in ncurses curses termcap terminfo termlib ; do
30 AC_CHECK_LIB(${termlib}, tgoto,
31 [LIBS="-l${termlib} $LIBS"; break])
34 AC_CHECK_LIB(readline, readline)
35 if test $ac_cv_lib_readline_readline = no; then
36 AC_MSG_WARN([libreadline was not found on your system.])
39 AC_CHECK_FUNCS(siginterrupt rl_clear_signals rl_cleanup_after_signal)
41 dnl Check for modern readline naming
42 AC_CHECK_FUNCS(rl_filename_completion_function)
44 dnl Check for rl_pre_input_hook. This is more complicated because on
45 dnl some systems (HP/UX), the linker wont let us treat
46 dnl rl_pre_input_hook as a function when it really is a function
49 AC_MSG_CHECKING([for rl_pre_input_hook])
50 AC_CACHE_VAL(ac_cv_var_rl_pre_input_hook,
53 #include <readline/readline.h>
55 rl_pre_input_hook = 0;
57 ac_cv_var_rl_pre_input_hook=yes,
58 ac_cv_var_rl_pre_input_hook=no)])
59 AC_MSG_RESULT($ac_cv_var_rl_pre_input_hook)
60 if test $ac_cv_var_rl_pre_input_hook = yes; then
61 AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK)
65 AC_MSG_CHECKING(if readline clears SA_RESTART flag for SIGWINCH)
66 AC_CACHE_VAL(guile_cv_sigwinch_sa_restart_cleared,
67 AC_TRY_RUN([#include <signal.h>
69 #include <readline/readline.h>
74 struct sigaction action;
76 sigaction (SIGWINCH, NULL, &action);
77 rl_cleanup_after_signal();
79 /* exit with 0 if readline disabled SA_RESTART */
80 exit (action.sa_flags & SA_RESTART);
86 struct sigaction action;
88 sigaction (SIGWINCH, NULL, &action);
89 action.sa_flags |= SA_RESTART;
90 sigaction (SIGWINCH, &action, NULL);
92 /* Give readline something to read. Otherwise, it might hang, for
93 example when run as a background process with job control.
95 rl_instream = fopen ("/dev/null", "r");
96 if (rl_instream == NULL)
102 rl_pre_input_hook = hook;
105 guile_cv_sigwinch_sa_restart_cleared=yes,
106 guile_cv_sigwinch_sa_restart_cleared=no,
107 guile_cv_sigwinch_sa_restart_cleared=yes))
108 AC_MSG_RESULT($guile_cv_sigwinch_sa_restart_cleared)
109 if test $guile_cv_sigwinch_sa_restart_cleared = yes; then
110 AC_DEFINE(GUILE_SIGWINCH_SA_RESTART_CLEARED)
113 AC_CACHE_CHECK([for rl_getc_function pointer in readline],
114 ac_cv_var_rl_getc_function,
117 #include <readline/readline.h>],
118 [printf ("%ld", (long) rl_getc_function)],
119 [ac_cv_var_rl_getc_function=yes],
120 [ac_cv_var_rl_getc_function=no])])
121 if test "${ac_cv_var_rl_getc_function}" = "yes"; then
122 AC_DEFINE(HAVE_RL_GETC_FUNCTION, 1,
123 [Define if your readline library has the rl_getc_function variable.])
126 if test $ac_cv_lib_readline_readline = yes \
127 -a $ac_cv_var_rl_getc_function = no; then
128 AC_MSG_WARN([*** libreadline is too old on your system.])
129 AC_MSG_WARN([*** You need readline version 2.1 or later.])
132 AC_CHECK_FUNCS(strdup)
134 . $srcdir/LIBGUILEREADLINE-VERSION
135 AC_SUBST(LIBGUILEREADLINE_INTERFACE_CURRENT)
136 AC_SUBST(LIBGUILEREADLINE_INTERFACE_REVISION)
137 AC_SUBST(LIBGUILEREADLINE_INTERFACE_AGE)
138 AC_SUBST(LIBGUILEREADLINE_INTERFACE)
140 AC_SUBST(GUILE_EFFECTIVE_VERSION)
142 AC_CONFIG_FILES(Makefile ice-9/Makefile)