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Name	Size	Permission
internal	[ DIR ]	drwxr-xr-x
amversion.m4	1.58 KB	-rw-r--r--
ar-lib.m4	2.02 KB	-rw-r--r--
as.m4	767 B	-rw-r--r--
auxdir.m4	2.35 KB	-rw-r--r--
cond-if.m4	1.01 KB	-rw-r--r--
cond.m4	1.01 KB	-rw-r--r--
depend.m4	7.11 KB	-rw-r--r--
depout.m4	2.71 KB	-rw-r--r--
dmalloc.m4	906 B	-rw-r--r--
extra-recurs.m4	738 B	-rw-r--r--
gcj.m4	649 B	-rw-r--r--
init.m4	7.84 KB	-rw-r--r--
install-sh.m4	681 B	-rw-r--r--
lead-dot.m4	641 B	-rw-r--r--
lex.m4	689 B	-rw-r--r--
lispdir.m4	2.1 KB	-rw-r--r--
maintainer.m4	1.62 KB	-rw-r--r--
make.m4	1.4 KB	-rw-r--r--
missing.m4	1.13 KB	-rw-r--r--
mkdirp.m4	1.32 KB	-rw-r--r--
obsolete.m4	1008 B	-rw-r--r--
options.m4	1.06 KB	-rw-r--r--
prog-cc-c-o.m4	1.65 KB	-rw-r--r--
python.m4	9.2 KB	-rw-r--r--
runlog.m4	718 B	-rw-r--r--
sanity.m4	2.58 KB	-rw-r--r--
silent.m4	1.87 KB	-rw-r--r--
strip.m4	1.36 KB	-rw-r--r--
substnot.m4	675 B	-rw-r--r--
tar.m4	4.37 KB	-rw-r--r--
upc.m4	836 B	-rw-r--r--
vala.m4	1.62 KB	-rw-r--r--

Code Editor : sanity.m4

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

# Copyright (C) 1996-2020 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# AM_SANITY_CHECK
# ---------------
AC_DEFUN([AM_SANITY_CHECK],
[AC_MSG_CHECKING([whether build environment is sane])
# Reject unsafe characters in $srcdir or the absolute working directory
# name.  Accept space and tab only in the latter.
am_lf='
'
case `pwd` in
  *[[\\\"\#\$\&\'\`$am_lf]]*)
    AC_MSG_ERROR([unsafe absolute working directory name]);;
esac
case $srcdir in
  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
esac

# 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 (
   am_has_slept=no
   for am_try in 1 2; do
     echo "timestamp, slept: $am_has_slept" > conftest.file
     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
     if test "$[*]" = "X"; then
	# -L didn't work.
	set X `ls -t "$srcdir/configure" conftest.file`
     fi
     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
     if test "$[2]" = conftest.file || test $am_try -eq 2; then
       break
     fi
     # Just in case.
     sleep 1
     am_has_slept=yes
   done
   test "$[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])
# If we didn't sleep, we still need to ensure time stamps of config.status and
# generated files are strictly newer.
am_sleep_pid=
if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  ( sleep 1 ) &
  am_sleep_pid=$!
fi
AC_CONFIG_COMMANDS_PRE(
  [AC_MSG_CHECKING([that generated files are newer than configure])
   if test -n "$am_sleep_pid"; then
     # Hide warnings about reused PIDs.
     wait $am_sleep_pid 2>/dev/null
   fi
   AC_MSG_RESULT([done])])
rm -f conftest.file
])

${this.title}

Code Editor : sanity.m4