4 AC_CONFIG_SRCDIR([readline.c])
5 . $srcdir/../GUILE-VERSION
7 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
16 dnl Check for Winsock and other functionality on Win32 (*not* CygWin)
21 if test "$MINGW32" = "yes" ; then
22 if test $enable_shared = yes ; then
23 EXTRA_DEFS="-DSCM_IMPORT"
28 for termlib in ncurses curses termcap terminfo termlib ; do
29 AC_CHECK_LIB(${termlib}, tgoto,
30 [LIBS="-l${termlib} $LIBS"; break])
33 AC_CHECK_LIB(readline, readline)
34 if test $ac_cv_lib_readline_readline = no; then
35 AC_MSG_WARN([libreadline was not found on your system.])
38 AC_CHECK_FUNCS(siginterrupt rl_clear_signals rl_cleanup_after_signal)
40 dnl Check for modern readline naming
41 AC_CHECK_FUNCS(rl_filename_completion_function)
43 dnl Check for rl_pre_input_hook. This is more complicated because on
44 dnl some systems (HP/UX), the linker wont let us treat
45 dnl rl_pre_input_hook as a function when it really is a function
48 AC_MSG_CHECKING([for rl_pre_input_hook])
49 AC_CACHE_VAL(ac_cv_var_rl_pre_input_hook,
52 #include <readline/readline.h>
54 rl_pre_input_hook = 0;
56 ac_cv_var_rl_pre_input_hook=yes,
57 ac_cv_var_rl_pre_input_hook=no)])
58 AC_MSG_RESULT($ac_cv_var_rl_pre_input_hook)
59 if test $ac_cv_var_rl_pre_input_hook = yes; then
60 AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK)
64 AC_MSG_CHECKING(if readline clears SA_RESTART flag for SIGWINCH)
65 AC_CACHE_VAL(guile_cv_sigwinch_sa_restart_cleared,
66 AC_TRY_RUN([#include <signal.h>
68 #include <readline/readline.h>
73 struct sigaction action;
75 sigaction (SIGWINCH, NULL, &action);
76 rl_cleanup_after_signal();
78 /* exit with 0 if readline disabled SA_RESTART */
79 exit (action.sa_flags & SA_RESTART);
85 struct sigaction action;
87 sigaction (SIGWINCH, NULL, &action);
88 action.sa_flags |= SA_RESTART;
89 sigaction (SIGWINCH, &action, NULL);
91 /* Give readline something to read. Otherwise, it might hang, for
92 example when run as a background process with job control.
94 rl_instream = fopen ("/dev/null", "r");
95 if (rl_instream == NULL)
101 rl_pre_input_hook = hook;
104 guile_cv_sigwinch_sa_restart_cleared=yes,
105 guile_cv_sigwinch_sa_restart_cleared=no,
106 guile_cv_sigwinch_sa_restart_cleared=yes))
107 AC_MSG_RESULT($guile_cv_sigwinch_sa_restart_cleared)
108 if test $guile_cv_sigwinch_sa_restart_cleared = yes; then
109 AC_DEFINE(GUILE_SIGWINCH_SA_RESTART_CLEARED)
112 AC_CACHE_CHECK([for rl_getc_function pointer in readline],
113 ac_cv_var_rl_getc_function,
116 #include <readline/readline.h>],
117 [printf ("%ld", (long) rl_getc_function)],
118 [ac_cv_var_rl_getc_function=yes],
119 [ac_cv_var_rl_getc_function=no])])
120 if test "${ac_cv_var_rl_getc_function}" = "yes"; then
121 AC_DEFINE(HAVE_RL_GETC_FUNCTION, 1,
122 [Define if your readline library has the rl_getc_function variable.])
125 if test $ac_cv_lib_readline_readline = yes \
126 -a $ac_cv_var_rl_getc_function = no; then
127 AC_MSG_WARN([*** libreadline is too old on your system.])
128 AC_MSG_WARN([*** You need readline version 2.1 or later.])
131 AC_CHECK_FUNCS(strdup)
133 . $srcdir/LIBGUILEREADLINE-VERSION
134 AC_SUBST(LIBGUILEREADLINE_INTERFACE_CURRENT)
135 AC_SUBST(LIBGUILEREADLINE_INTERFACE_REVISION)
136 AC_SUBST(LIBGUILEREADLINE_INTERFACE_AGE)
137 AC_SUBST(LIBGUILEREADLINE_INTERFACE)
139 AC_SUBST(GUILE_EFFECTIVE_VERSION)
141 AC_CONFIG_FILES(Makefile)