configure revision 66f51d8678c8fcc7256354b599317f67455120fd
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Guess values for system-dependent variables and create Makefiles.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Generated by GNU Autoconf 2.68.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Foundation, Inc.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# This configure script is free software; the Free Software Foundation
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# gives unlimited permission to copy, distribute and modify it.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby## -------------------- ##
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby## M4sh Initialization. ##
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby## -------------------- ##
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Be more Bourne compatible
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyif test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltby # is contrary to our usage. Disable this feature.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Printing a long string crashes Solaris 7 /usr/bin/printf.
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltbyas_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyas_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyas_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Prefer a ksh shell builtin over an external printf program on Solaris,
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# but without wasting forks for bash or zsh.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyif test -z "$BASH_VERSION$ZSH_VERSION" \
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltbyelif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby as_echo_n_body='eval
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby export as_echo_n_body
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby export as_echo_body
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# The user is always right.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyif test "${PATH_SEPARATOR+set}" != set; then
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltby PATH_SEPARATOR=:
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltby (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# We need space, tab and new line, in precisely that order. Quoting is
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# there to prevent editors from complaining about space-tab.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# (If _AS_PATH_WALK were called with IFS unset, it would disable word
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# splitting by setting IFS to empty value.)
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin MaltbyIFS=" "" $as_nl"
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Find who we are. Look in the path if we contain no directory separator.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbycase $0 in #((
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby *[\\/]* ) as_myself=$0 ;;
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltby *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyfor as_dir in $PATH
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby IFS=$as_save_IFS
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby test -z "$as_dir" && as_dir=.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin MaltbyIFS=$as_save_IFS
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# We did not find ourselves, most probably we were run as `sh COMMAND'
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# in which case we are not to be found in the path.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyif test "x$as_myself" = x; then
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyif test ! -f "$as_myself"; then
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# Unset variables that we do not need and which cause bugs (e.g. in
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1"
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# suppresses any "Segmentation fault" message there. '((' could
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby# trigger a bug in pdksh 5.2.14.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
f6e214c7418f43af38bd8c3a557e3d0a1d311cfaGavin Maltby# NLS nuisances.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltbyif test "x$CONFIG_SHELL" = x; then
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby # is contrary to our usage. Disable this feature.
49b225e1cfa7bbf7738d4df0a03f18e3283426ebGavin Maltby alias -g '\${1+\"\$@\"}'='\"\$@\"'
as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
as_found=false
as_found=:
as_found=false
if test "x$CONFIG_SHELL" != x; then :
export CONFIG_SHELL
*v* ) as_opts=-v ;;
*x* ) as_opts=-x ;;
* ) as_opts= ;;
export SHELL
as_status=$1; test $as_status -eq 0 && as_status=1
as_expr=false
as_basename=false
as_dirname=false
{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
test -d ./-p && rmdir ./-p
as_mkdir_p=false
ac_init_version=false
program_transform_name=s,x,x,
site=
for ac_option
if test -n "$ac_prev"; then
*=) ac_optarg= ;;
ac_init_help=long ;;
| --ht=*)
ac_init_version=: ;;
export $ac_envvar ;;
: "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
if test -n "$ac_prev"; then
if test -n "$ac_unrecognized_opts"; then
no) ;;
if test "x$host_alias" != x; then
if test "x$build_alias" = x; then
if test -z "$srcdir"; then
if test ! -r "$srcdir/$ac_unique_file"; then
srcdir=..
if test ! -r "$srcdir/$ac_unique_file"; then
srcdir=.
cat <<_ACEOF
if test -n "$ac_init_help"; then
if test -f "$ac_srcdir/configure.gnu"; then
$SHELL "$ac_srcdir/configure.gnu" --help=recursive
(eval "$ac_compile") 2>conftest.err
if test -s conftest.err; then
cat conftest.er1 >&5
mv -f conftest.er1 conftest.err
test ! -s conftest.err
(eval "$ac_link") 2>conftest.err
if test -s conftest.err; then
cat conftest.er1 >&5
mv -f conftest.er1 conftest.err
test ! -s conftest.err
# Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
# created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
rm -f core conftest.err conftest.$ac_objext \
eval ac_res=\$$3
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
cat >config.log <<_ACEOF
exec 5>>config.log
cat <<_ASUNAME
cat >&5 <<_ACEOF
ac_must_keep_next=false
for ac_arg
if test $ac_must_keep_next = true; then
-* ) ac_must_keep_next=true ;;
{ ac_configure_args0=; unset ac_configure_args0;}
{ ac_configure_args1=; unset ac_configure_args1;}
# config.log. We remove comments because anyway the quotes in there
# Save into config.log some information that might help in debugging.
*_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
for ac_var in $ac_subst_vars
done | sort
for ac_var in $ac_subst_files
done | sort
if test -s confdefs.h; then
## confdefs.h. ##
rm -f core *.core core.conftest.* &&
rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
exit $exit_status
# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -f -r conftest* confdefs.h
$as_echo "/* confdefs.h */" > confdefs.h
cat >>confdefs.h <<_ACEOF
cat >>confdefs.h <<_ACEOF
cat >>confdefs.h <<_ACEOF
cat >>confdefs.h <<_ACEOF
cat >>confdefs.h <<_ACEOF
cat >>confdefs.h <<_ACEOF
# We do not want a PATH search for config.site.
ac_site_file1=$prefix/share/config.site
ac_site_file2=$prefix/etc/config.site
ac_site_file1=$ac_default_prefix/share/config.site
ac_site_file2=$ac_default_prefix/etc/config.site
case $cache_file in
for ac_var in $ac_precious_vars; do
case $ac_old_set,$ac_new_set in
{ $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
eval $ac_var=\$ac_old_val
# Pass precious variables to config.status.
case $ac_new_val in
*) ac_arg=$ac_var=$ac_new_val ;;
if $ac_cache_corrupted; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
ac_compiler_gnu=$ac_cv_c_compiler_gnu
ac_compiler_gnu=$ac_cv_c_compiler_gnu
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
IFS=$as_save_IFS
for ac_exec_ext in '' $ac_executable_extensions; do
IFS=$as_save_IFS
ac_ct_CC=$CC
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
IFS=$as_save_IFS
for ac_exec_ext in '' $ac_executable_extensions; do
IFS=$as_save_IFS
ac_ct_CC=$ac_cv_prog_ac_ct_CC
case $cross_compiling:$ac_tool_warned in
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
CC=$ac_ct_CC
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
IFS=$as_save_IFS
for ac_exec_ext in '' $ac_executable_extensions; do
IFS=$as_save_IFS
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
IFS=$as_save_IFS
for ac_exec_ext in '' $ac_executable_extensions; do
IFS=$as_save_IFS
if test $ac_prog_rejected = yes; then
set dummy $ac_cv_prog_CC
for ac_prog in cl.exe
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
IFS=$as_save_IFS
for ac_exec_ext in '' $ac_executable_extensions; do
IFS=$as_save_IFS
ac_ct_CC=$CC
for ac_prog in cl.exe
set dummy $ac_prog; ac_word=$2
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
IFS=$as_save_IFS
for ac_exec_ext in '' $ac_executable_extensions; do
IFS=$as_save_IFS
ac_ct_CC=$ac_cv_prog_ac_ct_CC
case $cross_compiling:$ac_tool_warned in
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
CC=$ac_ct_CC
(eval "$ac_compiler $ac_option >&5") 2>conftest.err
if test -s conftest.err; then
cat conftest.er1 >&5
rm -f conftest.er1 conftest.err
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
# Try to create an executable without -o first, disregard a.out.
ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
*.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
*.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
ac_status=$?
# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
# work properly (i.e., refer to `conftest.exe'), while it won't with
for ac_file in conftest.exe conftest conftest.*; do
*.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
ac_status=$?
test $ac_status = 0; }
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
ac_status=$?
if ${ac_cv_objext+:} false; then :
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
ac_status=$?
for ac_file in conftest.o conftest.obj conftest.*; do
if ${ac_cv_c_compiler_gnu+:} false; then :
if test $ac_compiler_gnu = yes; then
GCC=
ac_test_CFLAGS=${CFLAGS+set}
if ${ac_cv_prog_cc_g+:} false; then :
elif test $ac_cv_prog_cc_g = yes; then
if ${ac_cv_prog_cc_c89+:} false; then :
xno)
ac_ext=c
if ${ac_cv_search_res_mkquery+:} false; then :
rm -f core conftest.err conftest.$ac_objext \
if ${ac_cv_search_res_mkquery+:} false; then :
if ${ac_cv_search_res_mkquery+:} false; then :
if ${ac_cv_search___res_mkquery+:} false; then :
rm -f core conftest.err conftest.$ac_objext \
if ${ac_cv_search___res_mkquery+:} false; then :
if ${ac_cv_search___res_mkquery+:} false; then :
if ${ac_cv_search_res_9_mkquery+:} false; then :
rm -f core conftest.err conftest.$ac_objext \
if ${ac_cv_search_res_9_mkquery+:} false; then :
if ${ac_cv_search_res_9_mkquery+:} false; then :
if ${ac_cv_lib_socket_socket+:} false; then :
rm -f core conftest.err conftest.$ac_objext \
cat >>confdefs.h <<_ACEOF
if ${ac_cv_lib_nsl_inet_ntoa+:} false; then :
rm -f core conftest.err conftest.$ac_objext \
cat >>confdefs.h <<_ACEOF
for ac_func in gethostbyname2
cat >>confdefs.h <<_ACEOF
if ${ac_cv_type_socklen_t+:} false; then :
if test $ac_cv_type_socklen_t != yes; then
if ${ac_cv_sa_len+:} false; then :
if test $ac_cv_sa_len = yes; then
# config.status only pays attention to the cache file if you give it
*${as_nl}*)
*_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
sed -n \
s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
NULLCMD=:
*posix*) :
export as_nl
as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
arg=$1;
as_myself=$0
# Unset variables that we do not need and which cause bugs (e.g. in
LC_ALL=C
export LC_ALL
LANGUAGE=C
export LANGUAGE
as_status=$1; test $as_status -eq 0 && as_status=1
as_expr=false
as_basename=false
as_dirname=false
test -d ./-p && rmdir ./-p
as_mkdir_p=false
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
This file was extended by $as_me, which was
CONFIG_FILES = $CONFIG_FILES
CONFIG_HEADERS = $CONFIG_HEADERS
CONFIG_LINKS = $CONFIG_LINKS
CONFIG_COMMANDS = $CONFIG_COMMANDS
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
\`$as_me' instantiates files and other configuration actions
--recheck update $as_me by reconfiguring in the same conditions
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
case $1 in
ac_shift=:
ac_shift=:
ac_option=$1
ac_optarg=$2
ac_shift=shift
case $ac_option in
ac_cs_recheck=: ;;
debug=: ;;
case $ac_optarg in
ac_need_defaults=false;;
case $ac_optarg in
ac_need_defaults=false;;
--he | --h)
ac_cs_silent=: ;;
ac_need_defaults=false ;;
if $ac_cs_silent; then
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
exec 5>>config.log
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
case $ac_config_target in
if $ac_need_defaults; then
$debug ||
# This happens for instance with `./config.status config.h'.
eval ac_cr=\$\'\\r\'
for ac_last_try in false false false false false :; do
if test $ac_delim_n = $ac_delim_num; then
elif $ac_last_try; then
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# This happens for instance with `./config.status Makefile'.
# Transform confdefs.h into an awk script `defines.awk', embedded as
# here-document in config.status, that substitutes the proper values into
# config.h.in to produce config.h.
# Create a delimiter string that does not exist in confdefs.h, to ease
for ac_last_try in false false :; do
elif $ac_last_try; then
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
for ac_tag
:[FHL]*:*);;
IFS=:
set x $ac_tag
ac_file=$1
:L) ac_source=$1;;
:[FH])
for ac_f
case $ac_top_builddir_sub in
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
# Shell code in configure.ac might set extrasub.
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
s|@configure_input@|$ac_sed_conf_input|;t t
s&@top_builddir@&$ac_top_builddir_sub&;t t
s&@top_build_prefix@&$ac_top_build_prefix&;t t
s&@srcdir@&$ac_srcdir&;t t
s&@abs_srcdir@&$ac_abs_srcdir&;t t
s&@top_srcdir@&$ac_top_srcdir&;t t
s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
s&@builddir@&$ac_builddir&;t t
s&@abs_builddir@&$ac_abs_builddir&;t t
s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
case $ac_file in
ac_clean_files=$ac_clean_files_save
test $ac_write_fail = 0 ||
# configure is writing to config.log, and then calls config.status.
# config.status does its own redirection, appending to config.log.
# Unfortunately, on DOS this fails, as config.log is still kept open
# by configure, so config.status won't be able to write to it; its
# effectively closing config.log, so it can be properly (re)opened and
# appended to by config.status. When coming back to configure, we
$SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
exec 5>>config.log
$ac_cs_success || as_fn_exit 1