mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-05-02 21:10:27 +02:00
132 lines
3.3 KiB
Text
132 lines
3.3 KiB
Text
AC_PREREQ(2.50)
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AC_INIT
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AC_CONFIG_SRCDIR([readline.c])
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. $srcdir/../GUILE-VERSION
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PACKAGE=guile-readline
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AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
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AC_PROG_INSTALL
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AC_PROG_CC
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AM_PROG_CC_STDC
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AC_LIBTOOL_WIN32_DLL
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AM_PROG_LIBTOOL
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dnl
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dnl Check for Winsock and other functionality on Win32 (*not* CygWin)
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dnl
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AC_CYGWIN
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AC_MINGW32
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EXTRA_DEFS=""
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if test "$MINGW32" = "yes" ; then
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if test $enable_shared = yes ; then
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EXTRA_DEFS="-DSCM_IMPORT"
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fi
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fi
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AC_SUBST(EXTRA_DEFS)
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for termlib in ncurses curses termcap terminfo termlib ; do
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AC_CHECK_LIB(${termlib}, tgoto,
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[LIBS="-l${termlib} $LIBS"; break])
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done
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AC_CHECK_LIB(readline, readline)
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if test $ac_cv_lib_readline_readline = no; then
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AC_MSG_WARN([libreadline was not found on your system.])
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fi
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AC_CHECK_FUNCS(siginterrupt rl_clear_signals rl_cleanup_after_signal)
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dnl Check for modern readline naming
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AC_CHECK_FUNCS(rl_filename_completion_function)
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dnl Check for rl_pre_input_hook. This is more complicated because on
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dnl some systems (HP/UX), the linker wont let us treat
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dnl rl_pre_input_hook as a function when it really is a function
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dnl pointer.
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AC_MSG_CHECKING([for rl_pre_input_hook])
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AC_CACHE_VAL(ac_cv_var_rl_pre_input_hook,
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[AC_TRY_LINK([
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#include <stdio.h>
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#include <readline/readline.h>
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], [
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rl_pre_input_hook = 0;
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],
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ac_cv_var_rl_pre_input_hook=yes,
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ac_cv_var_rl_pre_input_hook=no)])
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AC_MSG_RESULT($ac_cv_var_rl_pre_input_hook)
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if test $ac_cv_var_rl_pre_input_hook = yes; then
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AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK)
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fi
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AC_MSG_CHECKING(if readline clears SA_RESTART flag for SIGWINCH)
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AC_CACHE_VAL(guile_cv_sigwinch_sa_restart_cleared,
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AC_TRY_RUN([#include <signal.h>
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#include <stdio.h>
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#include <readline/readline.h>
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int
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hook ()
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{
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struct sigaction action;
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sigaction (SIGWINCH, NULL, &action);
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rl_cleanup_after_signal();
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/* exit with 0 if readline disabled SA_RESTART */
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exit (action.sa_flags & SA_RESTART);
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}
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int
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main ()
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{
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struct sigaction action;
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sigaction (SIGWINCH, NULL, &action);
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action.sa_flags |= SA_RESTART;
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sigaction (SIGWINCH, &action, NULL);
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rl_pre_input_hook = hook;
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readline ("");
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}],
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guile_cv_sigwinch_sa_restart_cleared=yes,
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guile_cv_sigwinch_sa_restart_cleared=no,
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guile_cv_sigwinch_sa_restart_cleared=yes))
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AC_MSG_RESULT($guile_cv_sigwinch_sa_restart_cleared)
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if test $guile_cv_sigwinch_sa_restart_cleared = yes; then
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AC_DEFINE(GUILE_SIGWINCH_SA_RESTART_CLEARED)
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fi
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AC_CACHE_CHECK([for rl_getc_function pointer in readline],
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ac_cv_var_rl_getc_function,
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[AC_TRY_LINK([
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#include <stdio.h>
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#include <readline/readline.h>],
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[printf ("%ld", (long) rl_getc_function)],
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[ac_cv_var_rl_getc_function=yes],
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[ac_cv_var_rl_getc_function=no])])
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if test "${ac_cv_var_rl_getc_function}" = "yes"; then
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AC_DEFINE(HAVE_RL_GETC_FUNCTION, 1,
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[Define if your readline library has the rl_getc_function variable.])
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fi
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if test $ac_cv_lib_readline_readline = yes \
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-a $ac_cv_var_rl_getc_function = no; then
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AC_MSG_WARN([*** libreadline is too old on your system.])
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AC_MSG_WARN([*** You need readline version 2.1 or later.])
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fi
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AC_CHECK_FUNCS(strdup)
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. $srcdir/LIBGUILEREADLINE-VERSION
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AC_SUBST(LIBGUILEREADLINE_INTERFACE_CURRENT)
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AC_SUBST(LIBGUILEREADLINE_INTERFACE_REVISION)
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AC_SUBST(LIBGUILEREADLINE_INTERFACE_AGE)
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AC_SUBST(LIBGUILEREADLINE_INTERFACE)
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AC_SUBST(GUILE_EFFECTIVE_VERSION)
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AC_CONFIG_FILES(Makefile)
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AC_OUTPUT
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