This commit is contained in:
matthieu 2007-07-29 08:38:06 +00:00
parent 280de4f507
commit 5370eb37a3
2 changed files with 76 additions and 0 deletions

View File

@ -687,6 +687,41 @@ AC_DEFUN([_AM_IF_OPTION],
# ---------------
AC_DEFUN([AM_SANITY_CHECK],
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftest.file
# 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 $srcdir/configure conftest.file 2> /dev/null`
if test "$[*]" = "X"; then
# -L didn't work.
set X `ls -t $srcdir/configure conftest.file`
fi
rm -f conftest.file
if test "$[*]" != "X $srcdir/configure conftest.file" \
&& test "$[*]" != "X conftest.file $srcdir/configure"; then
# If neither matched, then we have a broken ls. This can happen
# if, for instance, CONFIG_SHELL is bash and it inherits a
# broken ls alias from the environment. This has actually
# happened. Such a system could not be considered "sane".
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
alias in your environment])
fi
test "$[2]" = conftest.file
)
then
# Ok.
:
else
AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
AC_MSG_RESULT(yes)])
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.

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@ -1394,6 +1394,47 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
echo "$as_me:$LINENO: checking whether build environment is sane" >&5
echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6
# Just in case
sleep 1
echo timestamp > conftest.file
# 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 $srcdir/configure conftest.file 2> /dev/null`
if test "$*" = "X"; then
# -L didn't work.
set X `ls -t $srcdir/configure conftest.file`
fi
rm -f conftest.file
if test "$*" != "X $srcdir/configure conftest.file" \
&& test "$*" != "X conftest.file $srcdir/configure"; then
# If neither matched, then we have a broken ls. This can happen
# if, for instance, CONFIG_SHELL is bash and it inherits a
# broken ls alias from the environment. This has actually
# happened. Such a system could not be considered "sane".
{ { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken
alias in your environment" >&5
echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken
alias in your environment" >&2;}
{ (exit 1); exit 1; }; }
fi
test "$2" = conftest.file
)
then
# Ok.
:
else
{ { echo "$as_me:$LINENO: error: newly created file is older than distributed files!
Check your system clock" >&5
echo "$as_me: error: newly created file is older than distributed files!
Check your system clock" >&2;}
{ (exit 1); exit 1; }; }
fi
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
test "$program_prefix" != NONE &&