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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
commit | 8de1ee1b2b676b0d07586f0752750dd6b0fb7511 (patch) | |
tree | dd46fd7dc3863045696cd0e48032d8a36fa0daf5 /m4/readline.m4 | |
parent | Initial commit. (diff) | |
download | gnupg2-8de1ee1b2b676b0d07586f0752750dd6b0fb7511.tar.xz gnupg2-8de1ee1b2b676b0d07586f0752750dd6b0fb7511.zip |
Adding upstream version 2.2.27.upstream/2.2.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/readline.m4')
-rw-r--r-- | m4/readline.m4 | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/m4/readline.m4 b/m4/readline.m4 new file mode 100644 index 0000000..0c9619d --- /dev/null +++ b/m4/readline.m4 @@ -0,0 +1,66 @@ +dnl Check for readline and dependencies +dnl Copyright (C) 2004, 2005 Free Software Foundation, Inc. +dnl +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. +dnl +dnl Defines HAVE_LIBREADLINE to 1 if a working readline setup is +dnl found, and sets @LIBREADLINE@ to the necessary libraries. + + +AC_DEFUN([GNUPG_CHECK_READLINE], +[ + AC_ARG_WITH(readline, + AC_HELP_STRING([--with-readline=DIR], + [look for the readline library in DIR]), + [_do_readline=$withval],[_do_readline=yes]) + + gnupg_cv_have_readline=no + if test "$_do_readline" != "no" ; then + if test -d "$withval" ; then + CPPFLAGS="${CPPFLAGS} -I$withval/include" + LDFLAGS="${LDFLAGS} -L$withval/lib" + fi + + for _termcap in "" "-ltermcap" "-lcurses" "-lncurses" ; do + _readline_save_libs=$LIBS + _combo="-lreadline${_termcap:+ $_termcap}" + LIBS="$LIBS $_combo" + + AC_MSG_CHECKING([whether readline via \"$_combo\" is present and sane]) + + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> +#include <readline/readline.h> +#include <readline/history.h> +]],[[ +rl_completion_func_t *completer; +add_history("foobar"); +rl_catch_signals=0; +rl_inhibit_completion=0; +rl_attempted_completion_function=NULL; +rl_completion_matches(NULL,NULL); +]])],[_found_readline=yes],[_found_readline=no]) + + AC_MSG_RESULT([$_found_readline]) + + LIBS=$_readline_save_libs + + if test $_found_readline = yes ; then + AC_DEFINE(HAVE_LIBREADLINE,1, + [Define to 1 if you have a fully functional readline library.]) + AC_SUBST(LIBREADLINE,$_combo) + gnupg_cv_have_readline=yes + break + fi + done + + unset _termcap + unset _readline_save_libs + unset _combo + unset _found_readline + fi +])dnl |