openafs/aclocal.m4

dnl aclocal.m4 generated automatically by aclocal 1.4

dnl Copyright (C) 1994, 1995-8, 1999 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.

dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.

# Do all the work for Automake.  This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.

# serial 1

dnl Usage:
dnl AM_INIT_AUTOMAKE(package,version, [no-define])

AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
PACKAGE=[$1]
AC_SUBST(PACKAGE)
VERSION=[$2]
AC_SUBST(VERSION)
dnl test to see if srcdir already configured
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
fi
ifelse([$3],,
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
dnl FIXME This is truly gross.
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])

#
# Check to make sure that the build environment is sane.
#

AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
   if test "[$]*" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftestfile`
   fi
   if test "[$]*" != "X $srcdir/configure conftestfile" \
      && test "[$]*" != "X conftestfile $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
alias in your environment])
   fi

   test "[$]2" = conftestfile
   )
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])

dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
dnl The program must properly implement --version.
AC_DEFUN(AM_MISSING_PROG,
[AC_MSG_CHECKING(for working $2)
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf.  Sigh.
if ($2 --version) < /dev/null > /dev/null 2>&1; then
   $1=$2
   AC_MSG_RESULT(found)
else
   $1="$3/missing $2"
   AC_MSG_RESULT(missing)
fi
AC_SUBST($1)])


dnl AM_PROG_LEX
dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
AC_DEFUN(AM_PROG_LEX,
[missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex")
AC_PROG_LEX
AC_DECL_YYTEXT])

dnl
dnl $Id$
dnl

dnl check if this computer is little or big-endian
dnl if we can figure it out at compile-time then don't define the cpp symbol
dnl otherwise test for it and define it.  also allow options for overriding
dnl it when cross-compiling

AC_DEFUN(OPENAFS_CHECK_BIGENDIAN, [
AC_ARG_ENABLE(bigendian,
[  --enable-bigendian	the target is big endian],
openafs_cv_c_bigendian=yes)
AC_ARG_ENABLE(littleendian,
[  --enable-littleendian	the target is little endian],
openafs_cv_c_bigendian=no)
AC_CACHE_CHECK(whether byte order is known at compile time,
openafs_cv_c_bigendian_compile,
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/param.h>],[
#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
 bogus endian macros
#endif], openafs_cv_c_bigendian_compile=yes, openafs_cv_c_bigendian_compile=no)])
AC_CACHE_CHECK(whether byte ordering is bigendian, openafs_cv_c_bigendian,[
  if test "$openafs_cv_c_bigendian_compile" = "yes"; then
    AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/param.h>],[
#if BYTE_ORDER != BIG_ENDIAN
  not big endian
#endif], openafs_cv_c_bigendian=yes, openafs_cv_c_bigendian=no)
  else
    AC_TRY_RUN([main () {
      /* Are we little or big endian?  From Harbison&Steele.  */
      union
      {
	long l;
	char c[sizeof (long)];
    } u;
    u.l = 1;
    exit (u.c[sizeof (long) - 1] == 1);
  }], openafs_cv_c_bigendian=no, openafs_cv_c_bigendian=yes,
  AC_MSG_ERROR([specify either --enable-bigendian or --enable-littleendian]))
  fi
])
if test "$openafs_cv_c_bigendian" = "yes"; then
  AC_DEFINE(WORDS_BIGENDIAN, 1, [define if target is big endian])dnl
fi
if test "$openafs_cv_c_bigendian_compile" = "yes"; then
  AC_DEFINE(ENDIANESS_IN_SYS_PARAM_H, 1, [define if sys/param.h defines the endiness])dnl
fi
])

AC_DEFUN(LINUX_FS_STRUCT_INODE_HAS_I_BYTES, [
AC_MSG_CHECKING(for i_bytes in struct inode)
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_bytes, 
[
AC_TRY_COMPILE(
[#include <linux/fs.h>],
[struct inode _inode;
printf("%d\n", _inode.i_bytes);], 
ac_cv_linux_fs_struct_inode_has_i_bytes=yes,
ac_cv_linux_fs_struct_inode_has_i_bytes=no)])
AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_bytes)
CPPFLAGS="$save_CPPFLAGS"])


AC_DEFUN(LINUX_INODE_SETATTR_RETURN_TYPE,[
AC_MSG_CHECKING(for inode_setattr return type)
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
AC_CACHE_VAL(ac_cv_linux_func_inode_setattr_returns_int,
[
AC_TRY_COMPILE(
[#include <linux/fs.h>],
[struct inode _inode; 
struct iattr _iattr;
int i; 
i = inode_setattr(&_inode, &_iattr);], 
ac_cv_linux_func_inode_setattr_returns_int=yes,
ac_cv_linux_func_inode_setattr_returns_int=no)])
AC_MSG_RESULT($ac_cv_linux_func_inode_setattr_returns_int)
CPPFLAGS="$save_CPPFLAGS"])