diff options
Diffstat (limited to 'm4/pty.m4')
| -rw-r--r-- | m4/pty.m4 | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/m4/pty.m4 b/m4/pty.m4 deleted file mode 100644 index c68cca75..00000000 --- a/m4/pty.m4 +++ /dev/null @@ -1,148 +0,0 @@ -# pty.m4 serial 13 -dnl Copyright (C) 2010-2014 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -# gl_PTY_LIB -# ---------- -# Define automake variable PTY_LIB to the library needed (if any). -AC_DEFUN([gl_PTY_LIB], -[ - # Check for the library required for forkpty. - PTY_LIB= - save_LIBS="$LIBS" - AC_SEARCH_LIBS([forkpty], [util], - [if test "$ac_cv_search_forkpty" != "none required"; then - PTY_LIB="$ac_cv_search_forkpty" - fi]) - LIBS="$save_LIBS" - AC_SUBST([PTY_LIB]) -]) - -AC_DEFUN([gl_FUNC_FORKPTY], -[ - AC_REQUIRE([gl_PTY_LIB]) - AC_REQUIRE([gl_PTY_H]) - - dnl We assume that forkpty exists (possibly in libc, possibly in libutil) - dnl if and only if it is declared. - AC_CHECK_DECLS([forkpty],,, [[ -/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */ -#include <sys/types.h> -#if HAVE_PTY_H -# include <pty.h> -#endif -#if HAVE_UTIL_H -# include <util.h> -#endif -#if HAVE_LIBUTIL_H -# include <libutil.h> -#endif -]]) - if test $ac_cv_have_decl_forkpty = yes; then - dnl The system has forkpty. - dnl Prefer glibc's const-safe prototype, if available. - AC_CACHE_CHECK([for const-safe forkpty signature], - [gl_cv_func_forkpty_const], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[ -/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */ -#include <sys/types.h> -#if HAVE_PTY_H -# include <pty.h> -#endif -#if HAVE_UTIL_H -# include <util.h> -#endif -#if HAVE_LIBUTIL_H -# include <libutil.h> -#endif - ]], [[ - int forkpty (int *, char *, struct termios const *, - struct winsize const *); - ]]) - ], - [gl_cv_func_forkpty_const=yes], [gl_cv_func_forkpty_const=no]) - ]) - if test $gl_cv_func_forkpty_const != yes; then - REPLACE_FORKPTY=1 - fi - else - dnl The system does not have forkpty. - HAVE_FORKPTY=0 - fi - AC_DEFINE_UNQUOTED([HAVE_FORKPTY], [$HAVE_FORKPTY], - [Define to 1 if the system has the 'forkpty' function.]) -]) - -AC_DEFUN([gl_FUNC_OPENPTY], -[ - AC_REQUIRE([gl_PTY_LIB]) - AC_REQUIRE([gl_PTY_H]) - - dnl Persuade Solaris <stdlib.h> to declare posix_openpt(). - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - - dnl We assume that openpty exists (possibly in libc, possibly in libutil) - dnl if and only if it is declared. - AC_CHECK_DECLS([openpty],,, [[ -/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */ -#include <sys/types.h> -#if HAVE_PTY_H -# include <pty.h> -#endif -#if HAVE_UTIL_H -# include <util.h> -#endif -#if HAVE_LIBUTIL_H -# include <libutil.h> -#endif -]]) - if test $ac_cv_have_decl_openpty = yes; then - AC_DEFINE([HAVE_OPENPTY], [1], - [Define to 1 if the system has the 'openpty' function.]) - dnl The system has openpty. - dnl Prefer glibc's const-safe prototype, if available. - AC_CACHE_CHECK([for const-safe openpty signature], - [gl_cv_func_openpty_const], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[ -/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */ -#include <sys/types.h> -#if HAVE_PTY_H -# include <pty.h> -#endif -#if HAVE_UTIL_H -# include <util.h> -#endif -#if HAVE_LIBUTIL_H -# include <libutil.h> -#endif - ]], [[ - int openpty (int *, int *, char *, struct termios const *, - struct winsize const *); - ]]) - ], - [gl_cv_func_openpty_const=yes], [gl_cv_func_openpty_const=no]) - ]) - if test $gl_cv_func_openpty_const != yes; then - REPLACE_OPENPTY=1 - fi - else - dnl The system does not have openpty. - HAVE_OPENPTY=0 - dnl Prerequisites of lib/openpty.c in this case. - AC_CHECK_FUNCS([_getpty posix_openpt]) - fi -]) - -AC_DEFUN([gl_FUNC_LOGIN_TTY], -[ - AC_REQUIRE([gl_PTY_LIB]) - - gl_saved_libs="$LIBS" - LIBS="$LIBS $PTY_LIB" - AC_CHECK_FUNCS([login_tty]) - LIBS="$gl_saved_LIBS" -]) |