aclocal.m4

基于的linux的oracle sqlplus替代工具

   [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes)
    bash_cv_getenv_redef=yes]
)])
AC_MSG_RESULT($bash_cv_getenv_redef)
if test $bash_cv_getenv_redef = yes; then
AC_DEFINE(CAN_REDEFINE_GETENV)
fi
])

# We should check for putenv before calling this
AC_DEFUN(BASH_FUNC_STD_PUTENV,
[
AC_REQUIRE([AC_HEADER_STDC])
AC_REQUIRE([AC_C_PROTOTYPES])
AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv,
[AC_TRY_LINK([
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#ifndef __STDC__
#  ifndef const
#    define const
#  endif
#endif
#ifdef PROTOTYPES
extern int putenv (char *);
#else
extern int putenv ();
#endif
],
[return (putenv == 0);],
bash_cv_std_putenv=yes, bash_cv_std_putenv=no
)])
if test $bash_cv_std_putenv = yes; then
AC_DEFINE(HAVE_STD_PUTENV)
fi
])

# We should check for unsetenv before calling this
AC_DEFUN(BASH_FUNC_STD_UNSETENV,
[
AC_REQUIRE([AC_HEADER_STDC])
AC_REQUIRE([AC_C_PROTOTYPES])
AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv,
[AC_TRY_LINK([
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#ifndef __STDC__
#  ifndef const
#    define const
#  endif
#endif
#ifdef PROTOTYPES
extern int unsetenv (const char *);
#else
extern int unsetenv ();
#endif
],
[return (unsetenv == 0);],
bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no
)])
if test $bash_cv_std_unsetenv = yes; then
AC_DEFINE(HAVE_STD_UNSETENV)
fi
])

AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS,
[AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize)
AC_CACHE_VAL(bash_cv_ulimit_maxfds,
[AC_TRY_RUN([
main()
{
long maxfds = ulimit(4, 0L);
exit (maxfds == -1L);
}
], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no,
   [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no)
    bash_cv_ulimit_maxfds=no]
)])
AC_MSG_RESULT($bash_cv_ulimit_maxfds)
if test $bash_cv_ulimit_maxfds = yes; then
AC_DEFINE(ULIMIT_MAXFDS)
fi
])

AC_DEFUN(BASH_FUNC_GETCWD,
[AC_MSG_CHECKING([if getcwd() calls popen()])
AC_CACHE_VAL(bash_cv_getcwd_calls_popen,
[AC_TRY_RUN([
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#ifndef __STDC__
#ifndef const
#define const
#endif
#endif

int popen_called;

FILE *
popen(command, type)
     const char *command;
     const char *type;
{
	popen_called = 1;
	return (FILE *)NULL;
}

FILE *_popen(command, type)
     const char *command;
     const char *type;
{
  return (popen (command, type));
}

int
pclose(stream)
FILE *stream;
{
	return 0;
}

int
_pclose(stream)
FILE *stream;
{
	return 0;
}

main()
{
	char	lbuf[32];
	popen_called = 0;
	getcwd(lbuf, 32);
	exit (popen_called);
}
], bash_cv_getcwd_calls_popen=no, bash_cv_getcwd_calls_popen=yes,
   [AC_MSG_WARN(cannot check whether getcwd calls popen if cross compiling -- defaulting to no)
    bash_cv_getcwd_calls_popen=no]
)])
AC_MSG_RESULT($bash_cv_getcwd_calls_popen)
if test $bash_cv_getcwd_calls_popen = yes; then
AC_DEFINE(GETCWD_BROKEN)
AC_LIBOBJ(getcwd)
fi
])

dnl
dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every
dnl system, we can't use AC_PREREQ
dnl
AC_DEFUN(BASH_FUNC_GETHOSTBYNAME,
[if test "X$bash_cv_have_gethostbyname" = "X"; then
_bash_needmsg=yes
else
AC_MSG_CHECKING(for gethostbyname in socket library)
_bash_needmsg=
fi
AC_CACHE_VAL(bash_cv_have_gethostbyname,
[AC_TRY_LINK([#include <netdb.h>],
[ struct hostent *hp;
  hp = gethostbyname("localhost");
], bash_cv_have_gethostbyname=yes, bash_cv_have_gethostbyname=no)]
)
if test "X$_bash_needmsg" = Xyes; then
    AC_MSG_CHECKING(for gethostbyname in socket library)
fi
AC_MSG_RESULT($bash_cv_have_gethostbyname)
if test "$bash_cv_have_gethostbyname" = yes; then
AC_DEFINE(HAVE_GETHOSTBYNAME)
fi
])

AC_DEFUN(BASH_FUNC_FNMATCH_EXTMATCH,
[AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH)
AC_CACHE_VAL(bash_cv_fnm_extmatch,
[AC_TRY_RUN([
#include <fnmatch.h>

main()
{
#ifdef FNM_EXTMATCH
  exit (0);
#else
  exit (1);
#endif
}
], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no,
    [AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no)
     bash_cv_fnm_extmatch=no])
])
AC_MSG_RESULT($bash_cv_fnm_extmatch)
if test $bash_cv_fnm_extmatch = yes; then
AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH)
fi
])

AC_DEFUN(BASH_FUNC_POSIX_SETJMP,
[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp)
AC_CACHE_VAL(bash_cv_func_sigsetjmp,
[AC_TRY_RUN([
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <signal.h>
#include <setjmp.h>

main()
{
#if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS)
exit (1);
#else

int code;
sigset_t set, oset;
sigjmp_buf xx;

/* get the mask */
sigemptyset(&set);
sigemptyset(&oset);
sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set);
sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);

/* save it */
code = sigsetjmp(xx, 1);
if (code)
  exit(0);	/* could get sigmask and compare to oset here. */

/* change it */
sigaddset(&set, SIGINT);
sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);

/* and siglongjmp */
siglongjmp(xx, 10);
exit(1);
#endif
}], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing,
    [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing)
     bash_cv_func_sigsetjmp=missing]
)])
AC_MSG_RESULT($bash_cv_func_sigsetjmp)
if test $bash_cv_func_sigsetjmp = present; then
AC_DEFINE(HAVE_POSIX_SIGSETJMP)
fi
])

AC_DEFUN(BASH_FUNC_STRCOLL,
[
AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
AC_CACHE_VAL(bash_cv_func_strcoll_broken,
[AC_TRY_RUN([
#include <stdio.h>
#if defined (HAVE_LOCALE_H)
#include <locale.h>
#endif

main(c, v)
int     c;
char    *v[];
{
        int     r1, r2;
        char    *deflocale, *defcoll;

#ifdef HAVE_SETLOCALE
        deflocale = setlocale(LC_ALL, "");
	defcoll = setlocale(LC_COLLATE, "");
#endif

#ifdef HAVE_STRCOLL
	/* These two values are taken from tests/glob-test. */
        r1 = strcoll("abd", "aXd");
#else
	r1 = 0;
#endif
        r2 = strcmp("abd", "aXd");

	/* These two should both be greater than 0.  It is permissible for
	   a system to return different values, as long as the sign is the
	   same. */

        /* Exit with 1 (failure) if these two values are both > 0, since
	   this tests whether strcoll(3) is broken with respect to strcmp(3)
	   in the default locale. */
	exit (r1 > 0 && r2 > 0);
}
], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no,
   [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no)
    bash_cv_func_strcoll_broken=no]
)])
AC_MSG_RESULT($bash_cv_func_strcoll_broken)
if test $bash_cv_func_strcoll_broken = yes; then
AC_DEFINE(STRCOLL_BROKEN)
fi
])

AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT,
[AC_MSG_CHECKING([for printf floating point output in hex notation])
AC_CACHE_VAL(bash_cv_printf_a_format,
[AC_TRY_RUN([
#include <stdio.h>
#include <string.h>

int
main()
{
	double y = 0.0;
	char abuf[1024];

	sprintf(abuf, "%A", y);
	exit(strchr(abuf, 'P') == (char *)0);
}
], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no,
   [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no)
    bash_cv_printf_a_format=no]
)])
AC_MSG_RESULT($bash_cv_printf_a_format)
if test $bash_cv_printf_a_format = yes; then
AC_DEFINE(HAVE_PRINTF_A_FORMAT)
fi
])

AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC,
[
AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[
#include <sys/types.h>
#include <termios.h>
])
])

AC_DEFUN(BASH_STRUCT_TERMIO_LDISC,
[
AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[
#include <sys/types.h>
#include <termio.h>
])
])

dnl
dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS
dnl
dnl sets bash_cv_struct_stat_st_blocks
dnl
dnl unused for now; we'll see how AC_CHECK_MEMBERS works
dnl
AC_DEFUN(BASH_STRUCT_ST_BLOCKS,
[
AC_MSG_CHECKING([for struct stat.st_blocks])
AC_CACHE_VAL(bash_cv_struct_stat_st_blocks,
[AC_TRY_COMPILE(
[
#include <sys/types.h>
#include <sys/stat.h>
],
[
main()
{
static struct stat a;
if (a.st_blocks) return 0;
return 0;
}
], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no)
])
AC_MSG_RESULT($bash_cv_struct_stat_st_blocks)
if test "$bash_cv_struct_stat_st_blocks" = "yes"; then
AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS)
fi
])

AC_DEFUN(BASH_CHECK_LIB_TERMCAP,
[
if test "X$bash_cv_termcap_lib" = "X"; then
_bash_needmsg=yes
else
AC_MSG_CHECKING(which library has the termcap functions)
_bash_needmsg=
fi
AC_CACHE_VAL(bash_cv_termcap_lib,
[AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap,
    [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo,
        [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses,
	    [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses,
	        bash_cv_termcap_lib=gnutermcap)])])])])
if test "X$_bash_needmsg" = "Xyes"; then
AC_MSG_CHECKING(which library has the termcap functions)
fi
AC_MSG_RESULT(using $bash_cv_termcap_lib)
if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then
LDFLAGS="$LDFLAGS -L./lib/termcap"
TERMCAP_LIB="./lib/termcap/libtermcap.a"
TERMCAP_DEP="./lib/termcap/libtermcap.a"
elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then
TERMCAP_LIB=-ltermcap
TERMCAP_DEP=
elif test $bash_cv_termcap_lib = libtinfo; then
TERMCAP_LIB=-ltinfo
TERMCAP_DEP=
elif test $bash_cv_termcap_lib = libncurses; then
TERMCAP_LIB=-lncurses
TERMCAP_DEP=
else
TERMCAP_LIB=-lcurses
TERMCAP_DEP=
fi
])

dnl
dnl Check for the presence of getpeername in libsocket.
dnl If libsocket is present, check for libnsl and add it to LIBS if
dnl it's there, since most systems with libsocket require linking
dnl with libnsl as well.  This should only be called if getpeername
dnl was not found in libc.
dnl
dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT
dnl	  AS WELL
dnl
AC_DEFUN(BASH_CHECK_LIB_SOCKET,
[
if test "X$bash_cv_have_socklib" = "X"; then
_bash_needmsg=
else
AC_MSG_CHECKING(for socket library)
_bash_needmsg=yes
fi
AC_CACHE_VAL(bash_cv_have_socklib,
[AC_CHECK_LIB(socket, getpeername,
        bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)])
if test "X$_bash_needmsg" = Xyes; then
  AC_MSG_RESULT($bash_cv_have_socklib)
  _bash_needmsg=
fi
if test $bash_cv_have_socklib = yes; then
  # check for libnsl, add it to LIBS if present
  if test "X$bash_cv_have_libnsl" = "X"; then
    _bash_needmsg=
  else
    AC_MSG_CHECKING(for libnsl)
    _bash_needmsg=yes
  fi
  AC_CACHE_VAL(bash_cv_have_libnsl,
	   [AC_CHECK_LIB(nsl, t_open,
		 bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)])
  if test "X$_bash_needmsg" = Xyes; then
    AC_MSG_RESULT($bash_cv_have_libnsl)
    _bash_needmsg=
  fi
  if test $bash_cv_have_libnsl = yes; then
    LIBS="-lsocket -lnsl $LIBS"
  else
    LIBS="-lsocket $LIBS"
  fi
  AC_DEFINE(HAVE_LIBSOCKET)
  AC_DEFINE(HAVE_GETPEERNAME)
fi
])

AC_DEFUN(BASH_STRUCT_DIRENT_D_INO,
[AC_REQUIRE([AC_HEADER_DIRENT])
AC_MSG_CHECKING(if struct dirent has a d_ino member)
AC_CACHE_VAL(bash_cv_dirent_has_dino,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if defined(HAVE_DIRENT_H)
# include <dirent.h>
#else
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
#  include <sys/ndir.h>
# endif /* SYSNDIR */
# ifdef HAVE_SYS_DIR_H
#  include <sys/dir.h>
# endif /* SYSDIR */
# ifdef HAVE_NDIR_H
#  include <ndir.h>
# endif
#endif /* HAVE_DIRENT_H */
],[
struct dirent d; int z; z = d.d_ino;
], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)])
AC_MSG_RESULT($bash_cv_dirent_has_dino)
if test $bash_cv_dirent_has_dino = yes; then
AC_DEFINE(STRUCT_DIRENT_HAS_D_INO)
fi
])

AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO,
[AC_REQUIRE([AC_HEADER_DIRENT])
AC_MSG_CHECKING(if struct dirent has a d_fileno member)
AC_CACHE_VAL(bash_cv_dirent_has_d_fileno,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if defined(HAVE_DIRENT_H)
# include <dirent.h>
#else
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
#  include <sys/ndir.h>
# endif /* SYSNDIR */
# ifdef HAVE_SYS_DIR_H
#  include <sys/dir.h>
# endif /* SYSDIR */
# ifdef HAVE_NDIR_H
#  include <ndir.h>
# endif
#endif /* HAVE_DIRENT_H */
],[
struct dirent d; int z; z = d.d_fileno;
], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)])
AC_MSG_RESULT($bash_cv_dirent_has_d_fileno)
if test $bash_cv_dirent_has_d_fileno = yes; then
AC_DEFINE(STRUCT_DIRENT_HAS_D_FILENO)
fi
])

AC_DEFUN(BASH_STRUCT_TIMEVAL,
[AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h)
AC_CACHE_VAL(bash_cv_struct_timeval,
[
AC_EGREP_HEADER(struct timeval, sys/time.h,
		bash_cv_struct_timeval=yes,
		AC_EGREP_HEADER(struct timeval, time.h,
			bash_cv_struct_timeval=yes,
			bash_cv_struct_timeval=no))
])
AC_MSG_RESULT($bash_cv_struct_timeval)
if test $bash_cv_struct_timeval = yes; then
  AC_DEFINE(HAVE_TIMEVAL)
fi
])

AC_DEFUN(BASH_STRUCT_WINSIZE,
[AC_MSG_CHECKING(for struct winsize in sys/ioctl.h and termios.h)
AC_CACHE_VAL(bash_cv_struct_winsize_header,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [struct winsize x;],
  bash_cv_struct_winsize_header=ioctl_h,
  [AC_TRY_COMPILE([#include <sys/types.h>
#include <termios.h>], [struct winsize x;],
  bash_cv_struct_winsize_header=termios_h, bash_cv_struct_winsize_header=other)
])])
if test $bash_cv_struct_winsize_header = ioctl_h; then
  AC_MSG_RESULT(sys/ioctl.h)
  AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL)
elif test $bash_cv_struct_winsize_header = termios_h; then
  AC_MSG_RESULT(termios.h)
  AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS)
else
  AC_MSG_RESULT(not found)
fi
])

dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE,
[AC_REQUIRE([AC_TYPE_SIGNAL])
AC_MSG_CHECKING(for type of signal functions)
AC_CACHE_VAL(bash_cv_signal_vintage,
[
  AC_TRY_LINK([#include <signal.h>],[
    sigset_t ss;
    struct sigaction sa;
    sigemptyset(&ss); sigsuspend(&ss);
    sigaction(SIGINT, &sa, (struct sigaction *) 0);
    sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
  ], bash_cv_signal_vintage=posix,
  [
    AC_TRY_LINK([#include <signal.h>], [
	int mask = sigmask(SIGINT);
	sigsetmask(mask); sigblock(mask); sigpause(mask);
    ], bash_cv_signal_vintage=4.2bsd,
    [
      AC_TRY_LINK([
	#include <signal.h>
	RETSIGTYPE foo() { }], [
		int mask = sigmask(SIGINT);
		sigset(SIGINT, foo); sigrelse(SIGINT);
		sighold(SIGINT); sigpause(SIGINT);
        ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7
    )]
  )]
)
])
AC_MSG_RESULT($bash_cv_signal_vintage)
if test "$bash_cv_signal_vintage" = posix; then