aclocal.m4

基于的linux的oracle sqlplus替代工具

AC_DEFINE(HAVE_POSIX_SIGNALS)
elif test "$bash_cv_signal_vintage" = "4.2bsd"; then
AC_DEFINE(HAVE_BSD_SIGNALS)
elif test "$bash_cv_signal_vintage" = svr3; then
AC_DEFINE(HAVE_USG_SIGHOLD)
fi
])

dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process.
AC_DEFUN(BASH_SYS_PGRP_SYNC,
[AC_REQUIRE([AC_FUNC_GETPGRP])
AC_MSG_CHECKING(whether pgrps need synchronization)
AC_CACHE_VAL(bash_cv_pgrp_pipe,
[AC_TRY_RUN([
#ifdef HAVE_UNISTD_H
#  include <unistd.h>
#endif
main()
{
# ifdef GETPGRP_VOID
#  define getpgID()	getpgrp()
# else
#  define getpgID()	getpgrp(0)
#  define setpgid(x,y)	setpgrp(x,y)
# endif
	int pid1, pid2, fds[2];
	int status;
	char ok;

	switch (pid1 = fork()) {
	  case -1:
	    exit(1);
	  case 0:
	    setpgid(0, getpid());
	    exit(0);
	}
	setpgid(pid1, pid1);

	sleep(2);	/* let first child die */

	if (pipe(fds) < 0)
	  exit(2);

	switch (pid2 = fork()) {
	  case -1:
	    exit(3);
	  case 0:
	    setpgid(0, pid1);
	    ok = getpgID() == pid1;
	    write(fds[1], &ok, 1);
	    exit(0);
	}
	setpgid(pid2, pid1);

	close(fds[1]);
	if (read(fds[0], &ok, 1) != 1)
	  exit(4);
	wait(&status);
	wait(&status);
	exit(ok ? 0 : 5);
}
], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes,
   [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no)
    bash_cv_pgrp_pipe=no])
])
AC_MSG_RESULT($bash_cv_pgrp_pipe)
if test $bash_cv_pgrp_pipe = yes; then
AC_DEFINE(PGRP_PIPE)
fi
])

AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS,
[AC_REQUIRE([AC_TYPE_SIGNAL])
AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked])
AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers,
[AC_TRY_RUN([
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

typedef RETSIGTYPE sigfunc();

int nsigint;

#ifdef HAVE_POSIX_SIGNALS
sigfunc *
set_signal_handler(sig, handler)
     int sig;
     sigfunc *handler;
{
  struct sigaction act, oact;
  act.sa_handler = handler;
  act.sa_flags = 0;
  sigemptyset (&act.sa_mask);
  sigemptyset (&oact.sa_mask);
  sigaction (sig, &act, &oact);
  return (oact.sa_handler);
}
#else
#define set_signal_handler(s, h) signal(s, h)
#endif

RETSIGTYPE
sigint(s)
int s;
{
  nsigint++;
}

main()
{
	nsigint = 0;
	set_signal_handler(SIGINT, sigint);
	kill((int)getpid(), SIGINT);
	kill((int)getpid(), SIGINT);
	exit(nsigint != 2);
}
], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes,
   [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no)
    bash_cv_must_reinstall_sighandlers=no]
)])
AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers)
if test $bash_cv_must_reinstall_sighandlers = yes; then
AC_DEFINE(MUST_REINSTALL_SIGHANDLERS)
fi
])

dnl check that some necessary job control definitions are present
AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING,
[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
AC_MSG_CHECKING(for presence of necessary job control definitions)
AC_CACHE_VAL(bash_cv_job_control_missing,
[AC_TRY_RUN([
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <signal.h>

/* Add more tests in here as appropriate. */
main()
{
/* signal type */
#if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS)
exit(1);
#endif

/* signals and tty control. */
#if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT)
exit (1);
#endif

/* process control */
#if !defined (WNOHANG) || !defined (WUNTRACED) 
exit(1);
#endif

/* Posix systems have tcgetpgrp and waitpid. */
#if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP)
exit(1);
#endif

#if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID)
exit(1);
#endif

/* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */
#if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3)
exit(1);
#endif

exit(0);
}], bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing,
    [AC_MSG_WARN(cannot check job control if cross-compiling -- defaulting to missing)
     bash_cv_job_control_missing=missing]
)])
AC_MSG_RESULT($bash_cv_job_control_missing)
if test $bash_cv_job_control_missing = missing; then
AC_DEFINE(JOB_CONTROL_MISSING)
fi
])

dnl check whether named pipes are present
dnl this requires a previous check for mkfifo, but that is awkward to specify
AC_DEFUN(BASH_SYS_NAMED_PIPES,
[AC_MSG_CHECKING(for presence of named pipes)
AC_CACHE_VAL(bash_cv_sys_named_pipes,
[AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

/* Add more tests in here as appropriate. */
main()
{
int fd, err;

#if defined (HAVE_MKFIFO)
exit (0);
#endif

#if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO))
exit (1);
#endif

#if defined (NeXT)
exit (1);
#endif
err = mkdir("/tmp/bash-aclocal", 0700);
if (err < 0) {
  perror ("mkdir");
  exit(1);
}
fd = mknod ("/tmp/bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0);
if (fd == -1) {
  rmdir ("/tmp/bash-aclocal");
  exit (1);
}
close(fd);
unlink ("/tmp/bash-aclocal/sh-np-autoconf");
rmdir ("/tmp/bash-aclocal");
exit(0);
}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing,
    [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing)
     bash_cv_sys_named_pipes=missing]
)])
AC_MSG_RESULT($bash_cv_sys_named_pipes)
if test $bash_cv_sys_named_pipes = missing; then
AC_DEFINE(NAMED_PIPES_MISSING)
fi
])

AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR,
[AC_MSG_CHECKING(for default mail directory)
AC_CACHE_VAL(bash_cv_mail_dir,
[if test -d /var/mail; then
   bash_cv_mail_dir=/var/mail
 elif test -d /var/spool/mail; then
   bash_cv_mail_dir=/var/spool/mail
 elif test -d /usr/mail; then
   bash_cv_mail_dir=/usr/mail
 elif test -d /usr/spool/mail; then
   bash_cv_mail_dir=/usr/spool/mail
 else
   bash_cv_mail_dir=unknown
 fi
])
AC_MSG_RESULT($bash_cv_mail_dir)
AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir")
])

AC_DEFUN(BASH_HAVE_TIOCGWINSZ,
[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [int x = TIOCGWINSZ;],
  bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)])
AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl)
if test $bash_cv_tiocgwinsz_in_ioctl = yes; then   
AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
fi
])

AC_DEFUN(BASH_HAVE_TIOCSTAT,
[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [int x = TIOCSTAT;],
  bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)])
AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl)
if test $bash_cv_tiocstat_in_ioctl = yes; then   
AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL)
fi
])

AC_DEFUN(BASH_HAVE_FIONREAD,
[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_fionread_in_ioctl,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [int x = FIONREAD;],
  bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)])
AC_MSG_RESULT($bash_cv_fionread_in_ioctl)
if test $bash_cv_fionread_in_ioctl = yes; then   
AC_DEFINE(FIONREAD_IN_SYS_IOCTL)
fi
])

dnl
dnl See if speed_t is declared in <sys/types.h>.  Some versions of linux
dnl require a definition of speed_t each time <termcap.h> is included,
dnl but you can only get speed_t if you include <termios.h> (on some
dnl versions) or <sys/types.h> (on others).
dnl
AC_DEFUN(BASH_CHECK_SPEED_T,
[AC_MSG_CHECKING(for speed_t in sys/types.h)
AC_CACHE_VAL(bash_cv_speed_t_in_sys_types,
[AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;],
  bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)])
AC_MSG_RESULT($bash_cv_speed_t_in_sys_types)
if test $bash_cv_speed_t_in_sys_types = yes; then   
AC_DEFINE(SPEED_T_IN_SYS_TYPES)
fi
])

AC_DEFUN(BASH_CHECK_GETPW_FUNCS,
[AC_MSG_CHECKING(whether getpw functions are declared in pwd.h)
AC_CACHE_VAL(bash_cv_getpw_declared,
[AC_EGREP_CPP(getpwuid,
[
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#  include <unistd.h>
#endif
#include <pwd.h>
],
bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)])
AC_MSG_RESULT($bash_cv_getpw_declared)
if test $bash_cv_getpw_declared = yes; then
AC_DEFINE(HAVE_GETPW_DECLS)
fi
])

AC_DEFUN(BASH_CHECK_DEV_FD,
[AC_MSG_CHECKING(whether /dev/fd is available)
AC_CACHE_VAL(bash_cv_dev_fd,
[if test -d /dev/fd  && test -r /dev/fd/0; then
   bash_cv_dev_fd=standard
 elif test -d /proc/self/fd && test -r /proc/self/fd/0; then
   bash_cv_dev_fd=whacky
 else
   bash_cv_dev_fd=absent
 fi
])
AC_MSG_RESULT($bash_cv_dev_fd)
if test $bash_cv_dev_fd = "standard"; then
  AC_DEFINE(HAVE_DEV_FD)
  AC_DEFINE(DEV_FD_PREFIX, "/dev/fd/")
elif test $bash_cv_dev_fd = "whacky"; then
  AC_DEFINE(HAVE_DEV_FD)
  AC_DEFINE(DEV_FD_PREFIX, "/proc/self/fd/")
fi
])

AC_DEFUN(BASH_CHECK_DEV_STDIN,
[AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available)
AC_CACHE_VAL(bash_cv_dev_stdin,
[if test -d /dev/fd && test -r /dev/stdin; then
   bash_cv_dev_stdin=present
 elif test -d /proc/self/fd && test -r /dev/stdin; then
   bash_cv_dev_stdin=present
 else
   bash_cv_dev_stdin=absent
 fi
])
AC_MSG_RESULT($bash_cv_dev_stdin)
if test $bash_cv_dev_stdin = "present"; then
  AC_DEFINE(HAVE_DEV_STDIN)
fi
])

dnl
dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions
dnl
AC_DEFUN(BASH_CHECK_KERNEL_RLIMIT,
[AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines])
AC_CACHE_VAL(bash_cv_kernel_rlimit,
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/resource.h>
],
[
  int f;
  f = RLIMIT_DATA;
], bash_cv_kernel_rlimit=no,
[AC_TRY_COMPILE([
#include <sys/types.h>
#define _KERNEL
#include <sys/resource.h>
#undef _KERNEL
],
[
	int f;
        f = RLIMIT_DATA;
], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)]
)])
AC_MSG_RESULT($bash_cv_kernel_rlimit)
if test $bash_cv_kernel_rlimit = yes; then
AC_DEFINE(RLIMIT_NEEDS_KERNEL)
fi
])

dnl
dnl Check for 64-bit off_t -- used for malloc alignment
dnl
dnl C does not allow duplicate case labels, so the compile will fail if
dnl sizeof(off_t) is > 4.
dnl
AC_DEFUN(BASH_CHECK_OFF_T_64,
[AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64,
AC_TRY_COMPILE([
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
],[
switch (0) case 0: case (sizeof (off_t) <= 4):;
], bash_cv_off_t_64=no, bash_cv_off_t_64=yes))
if test $bash_cv_off_t_64 = yes; then
        AC_DEFINE(HAVE_OFF_T_64)
fi])

AC_DEFUN(BASH_CHECK_RTSIGS,
[AC_MSG_CHECKING(for unusable real-time signals due to large values)
AC_CACHE_VAL(bash_cv_unusable_rtsigs,
[AC_TRY_RUN([
#include <sys/types.h>
#include <signal.h>

#ifndef NSIG
#  define NSIG 64
#endif

main ()
{
  int n_sigs = 2 * NSIG;
#ifdef SIGRTMIN
  int rtmin = SIGRTMIN;
#else
  int rtmin = 0;
#endif

  exit(rtmin < n_sigs);
}], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no,
    [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes)
     bash_cv_unusable_rtsigs=yes]
)])
AC_MSG_RESULT($bash_cv_unusable_rtsigs)
if test $bash_cv_unusable_rtsigs = yes; then
AC_DEFINE(UNUSABLE_RT_SIGNALS)
fi
])

dnl
dnl check for availability of multibyte characters and functions
dnl
AC_DEFUN(BASH_CHECK_MULTIBYTE,
[
AC_CHECK_HEADERS(wctype.h)
AC_CHECK_HEADERS(wchar.h)
AC_CHECK_HEADERS(langinfo.h)

AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))

AC_CACHE_CHECK([for mbstate_t], bash_cv_have_mbstate_t,
[AC_TRY_RUN([
#include <wchar.h>
int
main ()
{
  mbstate_t ps;
  return 0;
}], bash_cv_have_mbstate_t=yes,  bash_cv_have_mbstate_t=no)])
if test $bash_cv_have_mbstate_t = yes; then
	AC_DEFINE(HAVE_MBSTATE_T)
fi

AC_CACHE_CHECK([for nl_langinfo and CODESET], bash_cv_langinfo_codeset,
[AC_TRY_LINK(
[#include <langinfo.h>],
[char* cs = nl_langinfo(CODESET);],
bash_cv_langinfo_codeset=yes, bash_cv_langinfo_codeset=no)])
if test $bash_cv_langinfo_codeset = yes; then
  AC_DEFINE(HAVE_LANGINFO_CODESET)
fi

])

dnl need: prefix exec_prefix libdir includedir CC TERMCAP_LIB
dnl require:
dnl	AC_PROG_CC
dnl	BASH_CHECK_LIB_TERMCAP

AC_DEFUN(RL_LIB_READLINE_VERSION,
[
AC_REQUIRE([BASH_CHECK_LIB_TERMCAP])

AC_MSG_CHECKING([version of installed readline library])

# What a pain in the ass this is.

# save cpp and ld options
_save_CFLAGS="$CFLAGS"
_save_LDFLAGS="$LDFLAGS"
_save_LIBS="$LIBS"

# Don't set ac_cv_rl_prefix if the caller has already assigned a value.  This
# allows the caller to do something like $_rl_prefix=$withval if the user
# specifies --with-installed-readline=PREFIX as an argument to configure

if test -z "$ac_cv_rl_prefix"; then
test "x$prefix" = xNONE && ac_cv_rl_prefix=$ac_default_prefix || ac_cv_rl_prefix=${prefix}
fi

eval ac_cv_rl_includedir=${ac_cv_rl_prefix}/include
eval ac_cv_rl_libdir=${ac_cv_rl_prefix}/lib

LIBS="$LIBS -lreadline ${TERMCAP_LIB}"
CFLAGS="$CFLAGS -I${ac_cv_rl_includedir}"
LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}"

AC_TRY_RUN([
#include <stdio.h>
#include <readline/readline.h>

main()
{
	FILE *fp;
	fp = fopen("conftest.rlv", "w");
	if (fp == 0) exit(1);
	fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0");
	fclose(fp);
	exit(0);
}
],
ac_cv_rl_version=`cat conftest.rlv`,
ac_cv_rl_version='0.0',
ac_cv_rl_version='4.2')

CFLAGS="$_save_CFLAGS"
LDFLAGS="$_save_LDFLAGS"
LIBS="$_save_LIBS"

RL_MAJOR=0
RL_MINOR=0

# (
case "$ac_cv_rl_version" in
2*|3*|4*|5*|6*|7*|8*|9*)
	RL_MAJOR=`echo $ac_cv_rl_version | sed 's:\..*$::'`
	RL_MINOR=`echo $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'`
	;;
esac

# (((
case $RL_MAJOR in
[[0-9][0-9]])	_RL_MAJOR=$RL_MAJOR ;;
[[0-9]])	_RL_MAJOR=0$RL_MAJOR ;;
*)		_RL_MAJOR=00 ;;
esac

# (((
case $RL_MINOR in
[[0-9][0-9]])	_RL_MINOR=$RL_MINOR ;;
[[0-9]])	_RL_MINOR=0$RL_MINOR ;;
*)		_RL_MINOR=00 ;;
esac

RL_VERSION="0x${_RL_MAJOR}${_RL_MINOR}"

# Readline versions greater than 4.2 have these defines in readline.h

if test $ac_cv_rl_version = '0.0' ; then
	AC_MSG_WARN([Could not test version of installed readline library.])
elif test $RL_MAJOR -gt 4 || { test $RL_MAJOR = 4 && test $RL_MINOR -gt 2 ; } ; then
	# set these for use by the caller
	RL_PREFIX=$ac_cv_rl_prefix
	RL_LIBDIR=$ac_cv_rl_libdir
	RL_INCLUDEDIR=$ac_cv_rl_includedir
	AC_MSG_RESULT($ac_cv_rl_version)
else

AC_DEFINE_UNQUOTED(RL_READLINE_VERSION, $RL_VERSION, [encoded version of the installed readline library])
AC_DEFINE_UNQUOTED(RL_VERSION_MAJOR, $RL_MAJOR, [major version of installed readline library])
AC_DEFINE_UNQUOTED(RL_VERSION_MINOR, $RL_MINOR, [minor version of installed readline library])

AC_SUBST(RL_VERSION)
AC_SUBST(RL_MAJOR)
AC_SUBST(RL_MINOR)

# set these for use by the caller
RL_PREFIX=$ac_cv_rl_prefix
RL_LIBDIR=$ac_cv_rl_libdir
RL_INCLUDEDIR=$ac_cv_rl_includedir

AC_MSG_RESULT($ac_cv_rl_version)

fi
])