Commit | Line | Data |
---|---|---|
691f5a4d MV |
1 | AC_PREREQ(2.50) |
2 | ||
c4d088f5 LC |
3 | dnl Don't use "echo -n", which is not portable (e.g., not available on |
4 | dnl MacOS X). Instead, use `patsubst' to remove the newline. | |
6fb858d5 | 5 | AC_INIT(guile-readline, |
c4d088f5 LC |
6 | patsubst(m4_esyscmd(. ../GUILE-VERSION && echo ${GUILE_VERSION}), [ |
7 | ]), | |
8 | [bug-guile@gnu.org]) | |
9 | ||
5be9f729 | 10 | AC_CONFIG_AUX_DIR([.]) |
6fb858d5 | 11 | AC_CONFIG_SRCDIR(readline.c) |
5be9f729 | 12 | AM_CONFIG_HEADER([guile-readline-config.h]) |
6fb858d5 RB |
13 | AM_INIT_AUTOMAKE([foreign no-define]) |
14 | ||
395753a1 | 15 | . $srcdir/../GUILE-VERSION |
c374ab69 | 16 | |
78f81266 | 17 | AC_PROG_INSTALL |
c374ab69 | 18 | AC_PROG_CC |
52b30d5e | 19 | AM_PROG_CC_STDC |
78f81266 | 20 | AC_LIBTOOL_WIN32_DLL |
c78a96e0 | 21 | AC_PROG_LIBTOOL |
c374ab69 | 22 | |
78f81266 MV |
23 | dnl |
24 | dnl Check for Winsock and other functionality on Win32 (*not* CygWin) | |
25 | dnl | |
26 | AC_CYGWIN | |
27 | AC_MINGW32 | |
28 | EXTRA_DEFS="" | |
29 | if test "$MINGW32" = "yes" ; then | |
30 | if test $enable_shared = yes ; then | |
8f99e3f3 | 31 | EXTRA_DEFS="-DSCM_IMPORT" |
78f81266 MV |
32 | fi |
33 | fi | |
34 | AC_SUBST(EXTRA_DEFS) | |
35 | ||
49dd8ff3 | 36 | for termlib in ncurses curses termcap terminfo termlib ; do |
88a1ce4c | 37 | AC_CHECK_LIB(${termlib}, tgoto, |
c374ab69 MV |
38 | [LIBS="-l${termlib} $LIBS"; break]) |
39 | done | |
40 | ||
49dd8ff3 MV |
41 | AC_CHECK_LIB(readline, readline) |
42 | if test $ac_cv_lib_readline_readline = no; then | |
66e28f02 | 43 | AC_MSG_WARN([libreadline was not found on your system.]) |
c374ab69 MV |
44 | fi |
45 | ||
60113271 MV |
46 | AC_CHECK_FUNCS(siginterrupt rl_clear_signals rl_cleanup_after_signal) |
47 | ||
dcb17187 MV |
48 | dnl Check for modern readline naming |
49 | AC_CHECK_FUNCS(rl_filename_completion_function) | |
50 | ||
6a945c34 NJ |
51 | dnl Check for rl_get_keymap. We only use this for deciding whether to |
52 | dnl install paren matching on the Guile command line (when using | |
53 | dnl readline for input), so it's completely optional. | |
54 | AC_CHECK_FUNCS(rl_get_keymap) | |
55 | ||
60113271 MV |
56 | dnl Check for rl_pre_input_hook. This is more complicated because on |
57 | dnl some systems (HP/UX), the linker wont let us treat | |
58 | dnl rl_pre_input_hook as a function when it really is a function | |
59 | dnl pointer. | |
60 | ||
61 | AC_MSG_CHECKING([for rl_pre_input_hook]) | |
62 | AC_CACHE_VAL(ac_cv_var_rl_pre_input_hook, | |
63 | [AC_TRY_LINK([ | |
64 | #include <stdio.h> | |
65 | #include <readline/readline.h> | |
66 | ], [ | |
67 | rl_pre_input_hook = 0; | |
68 | ], | |
69 | ac_cv_var_rl_pre_input_hook=yes, | |
70 | ac_cv_var_rl_pre_input_hook=no)]) | |
71 | AC_MSG_RESULT($ac_cv_var_rl_pre_input_hook) | |
72 | if test $ac_cv_var_rl_pre_input_hook = yes; then | |
5be9f729 KR |
73 | AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK,1, |
74 | [Define if rl_pre_input_hook is available.]) | |
60113271 | 75 | fi |
49a2970b MD |
76 | |
77 | ||
78 | AC_MSG_CHECKING(if readline clears SA_RESTART flag for SIGWINCH) | |
79 | AC_CACHE_VAL(guile_cv_sigwinch_sa_restart_cleared, | |
80 | AC_TRY_RUN([#include <signal.h> | |
81 | #include <stdio.h> | |
82 | #include <readline/readline.h> | |
83 | ||
84 | int | |
85 | hook () | |
86 | { | |
87 | struct sigaction action; | |
88 | ||
89 | sigaction (SIGWINCH, NULL, &action); | |
90 | rl_cleanup_after_signal(); | |
88a1ce4c | 91 | |
49a2970b MD |
92 | /* exit with 0 if readline disabled SA_RESTART */ |
93 | exit (action.sa_flags & SA_RESTART); | |
94 | } | |
88a1ce4c | 95 | |
49a2970b MD |
96 | int |
97 | main () | |
98 | { | |
99 | struct sigaction action; | |
88a1ce4c | 100 | |
49a2970b MD |
101 | sigaction (SIGWINCH, NULL, &action); |
102 | action.sa_flags |= SA_RESTART; | |
103 | sigaction (SIGWINCH, &action, NULL); | |
88a1ce4c | 104 | |
3894870b MV |
105 | /* Give readline something to read. Otherwise, it might hang, for |
106 | example when run as a background process with job control. | |
107 | */ | |
108 | rl_instream = fopen ("/dev/null", "r"); | |
109 | if (rl_instream == NULL) | |
110 | { | |
111 | perror ("/dev/null"); | |
112 | exit (1); | |
113 | } | |
114 | ||
49a2970b MD |
115 | rl_pre_input_hook = hook; |
116 | readline (""); | |
117 | }], | |
118 | guile_cv_sigwinch_sa_restart_cleared=yes, | |
119 | guile_cv_sigwinch_sa_restart_cleared=no, | |
120 | guile_cv_sigwinch_sa_restart_cleared=yes)) | |
121 | AC_MSG_RESULT($guile_cv_sigwinch_sa_restart_cleared) | |
122 | if test $guile_cv_sigwinch_sa_restart_cleared = yes; then | |
5be9f729 KR |
123 | AC_DEFINE(GUILE_SIGWINCH_SA_RESTART_CLEARED, 1, |
124 | [Define if readline disables SA_RESTART.]) | |
49a2970b | 125 | fi |
c374ab69 MV |
126 | |
127 | AC_CACHE_CHECK([for rl_getc_function pointer in readline], | |
128 | ac_cv_var_rl_getc_function, | |
129 | [AC_TRY_LINK([ | |
130 | #include <stdio.h> | |
131 | #include <readline/readline.h>], | |
f30a1c95 | 132 | [printf ("%ld", (long) rl_getc_function)], |
c374ab69 MV |
133 | [ac_cv_var_rl_getc_function=yes], |
134 | [ac_cv_var_rl_getc_function=no])]) | |
135 | if test "${ac_cv_var_rl_getc_function}" = "yes"; then | |
587cd126 RB |
136 | AC_DEFINE(HAVE_RL_GETC_FUNCTION, 1, |
137 | [Define if your readline library has the rl_getc_function variable.]) | |
c374ab69 MV |
138 | fi |
139 | ||
c2c27602 | 140 | if test $ac_cv_lib_readline_readline = yes \ |
c374ab69 | 141 | -a $ac_cv_var_rl_getc_function = no; then |
5ca264aa MD |
142 | AC_MSG_WARN([*** libreadline is too old on your system.]) |
143 | AC_MSG_WARN([*** You need readline version 2.1 or later.]) | |
c374ab69 MV |
144 | fi |
145 | ||
146 | AC_CHECK_FUNCS(strdup) | |
147 | ||
88a1ce4c | 148 | . $srcdir/LIBGUILEREADLINE-VERSION |
e5ab7101 | 149 | AC_SUBST(LIBGUILEREADLINE_MAJOR) |
cbab4855 RB |
150 | AC_SUBST(LIBGUILEREADLINE_INTERFACE_CURRENT) |
151 | AC_SUBST(LIBGUILEREADLINE_INTERFACE_REVISION) | |
152 | AC_SUBST(LIBGUILEREADLINE_INTERFACE_AGE) | |
153 | AC_SUBST(LIBGUILEREADLINE_INTERFACE) | |
154 | ||
41d8c90a RB |
155 | AC_SUBST(GUILE_EFFECTIVE_VERSION) |
156 | ||
6fb858d5 | 157 | AC_CONFIG_FILES(Makefile ice-9/Makefile) |
691f5a4d | 158 | AC_OUTPUT |