aclocal.m4

android-w.song.android.widget

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("bash-aclocal", 0700);
if (err < 0) {
  perror ("mkdir");
  exit(1);
}
fd = mknod ("bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0);
if (fd == -1) {
  rmdir ("bash-aclocal");
  exit (1);
}
close(fd);
unlink ("bash-aclocal/sh-np-autoconf");
rmdir ("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,
[bash_cv_dev_fd=""
if test -d /dev/fd  && (exec test -r /dev/fd/0 < /dev/null) ; then
# check for systems like FreeBSD 5 that only provide /dev/fd/[012]
   if (exec test -r /dev/fd/3 3</dev/null) ; then
     bash_cv_dev_fd=standard
   else
     bash_cv_dev_fd=absent
   fi
fi
if test -z "$bash_cv_dev_fd" ; then 
  if test -d /proc/self/fd && (exec test -r /proc/self/fd/0 < /dev/null) ; then
    bash_cv_dev_fd=whacky
  else
    bash_cv_dev_fd=absent
  fi
fi
])
AC_MSG_RESULT($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 && (exec test -r /dev/stdin < /dev/null) ; then
   bash_cv_dev_stdin=present
 elif test -d /proc/self/fd && (exec test -r /dev/stdin < /dev/null) ; 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
dnl geez, I wish I didn't have to check for all of this stuff separately
dnl
AC_DEFUN(BASH_CHECK_MULTIBYTE,
[
AC_CHECK_HEADERS(wctype.h)
AC_CHECK_HEADERS(wchar.h)
AC_CHECK_HEADERS(langinfo.h)

AC_CHECK_FUNC(mbrlen, AC_DEFINE(HAVE_MBRLEN))
AC_CHECK_FUNC(mbscasecmp, AC_DEFINE(HAVE_MBSCMP))
AC_CHECK_FUNC(mbscmp, AC_DEFINE(HAVE_MBSCMP))
AC_CHECK_FUNC(mbsnrtowcs, AC_DEFINE(HAVE_MBSNRTOWCS))
AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))


AC_REPLACE_FUNCS(mbschr)

AC_CHECK_FUNC(wcrtomb, AC_DEFINE(HAVE_WCRTOMB))
AC_CHECK_FUNC(wcscoll, AC_DEFINE(HAVE_WCSCOLL))
AC_CHECK_FUNC(wcsdup, AC_DEFINE(HAVE_WCSDUP))
AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))
AC_CHECK_FUNC(wctype, AC_DEFINE(HAVE_WCTYPE))

AC_REPLACE_FUNCS(wcswidth)

dnl checks for both mbrtowc and mbstate_t
AC_FUNC_MBRTOWC
if test $ac_cv_func_mbrtowc = yes; then
	AC_DEFINE(HAVE_MBSTATE_T)
fi

AC_CHECK_FUNCS(iswlower iswupper towlower towupper iswctype)

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 check for wchar_t in <wchar.h>
AC_CACHE_CHECK([for wchar_t in wchar.h], bash_cv_type_wchar_t,
[AC_TRY_COMPILE(
[#include <wchar.h>
],
[
        wchar_t foo;
        foo = 0;
], bash_cv_type_wchar_t=yes, bash_cv_type_wchar_t=no)])
if test $bash_cv_type_wchar_t = yes; then
        AC_DEFINE(HAVE_WCHAR_T, 1, [systems should define this type here])
fi

dnl check for wctype_t in <wctype.h>
AC_CACHE_CHECK([for wctype_t in wctype.h], bash_cv_type_wctype_t,
[AC_TRY_COMPILE(
[#include <wctype.h>],
[
        wctype_t foo;
        foo = 0;
], bash_cv_type_wctype_t=yes, bash_cv_type_wctype_t=no)])
if test $bash_cv_type_wctype_t = yes; then
        AC_DEFINE(HAVE_WCTYPE_T, 1, [systems should define this type here])
fi

dnl check for wint_t in <wctype.h>
AC_CACHE_CHECK([for wint_t in wctype.h], bash_cv_type_wint_t,
[AC_TRY_COMPILE(
[#include <wctype.h>],
[
        wint_t foo;
        foo = 0;
], bash_cv_type_wint_t=yes, bash_cv_type_wint_t=no)])
if test $bash_cv_type_wint_t = yes; then
        AC_DEFINE(HAVE_WINT_T, 1, [systems should define this type here])
fi

if test "$am_cv_func_iconv" = yes; then
	OLDLIBS="$LIBS"
	LIBS="$LIBS $LIBICONV"
	AC_CHECK_FUNCS(locale_charset)
	LIBS="$OLDLIBS"
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_CACHE_VAL(ac_cv_rl_version,
[AC_TRY_RUN([
#include <stdio.h>
#include <readline/readline.h>

extern int rl_gnu_readline_p;

main()
{
	FILE *fp;
	fp = fopen("conftest.rlv", "w");
	if (fp == 0)
		exit(1);
	if (rl_gnu_readline_p != 1)
		fprintf(fp, "0.0\n");
	else
		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