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|
# as_fn_set_status STATUS
# -----------------------
# Set $? to STATUS, without forking.
as_fn_set_status ()
{
return $1
} # as_fn_set_status
# as_fn_exit STATUS
# -----------------
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
as_fn_exit ()
{
set +e
as_fn_set_status $1
exit $1
} # as_fn_exit
if expr a : '\(a\)' >/dev/null 2>&1 &&
test "X`expr 00001 : '.*\(...\)'`" = X001; then
as_expr=expr
else
as_expr=false
fi
if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
as_basename=basename
else
as_basename=false
fi
as_me=`$as_basename -- "$0" ||
$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
X"$0" : 'X\(//\)$' \| \
X"$0" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X/"$0" |
sed '/^.*\/\([^/][^/]*\)\/*$/{
s//\1/
q
}
/^X\/\(\/\/\)$/{
s//\1/
q
}
/^X\/\(\/\).*/{
s//\1/
q
}
s/.*/./; q'`
as_lineno_1=$LINENO as_lineno_1a=$LINENO
as_lineno_2=$LINENO as_lineno_2a=$LINENO
eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
sed -n '
p
/[$]LINENO/=
' <$as_myself |
sed '
s/[$]LINENO.*/&-/
t lineno
b
:lineno
N
:loop
s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
t loop
s/-\n.*//
' >$as_me.lineno &&
chmod +x "$as_me.lineno" ||
{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
# Don't try to exec as it changes $[0], causing all sort of problems
# (the dirname of $[0] is not the place where we might find the
# original and so on. Autoconf is especially sensitive to this).
. "./$as_me.lineno"
# Exit status is that of the last command.
exit
}
# ac_fn_c_try_compile LINENO
# --------------------------
# Try to compile conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_compile ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
rm -f conftest.$ac_objext
if { { ac_try="$ac_compile"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
(eval "$ac_compile") 2>conftest.err
ac_status=$?
if test -s conftest.err; then
grep -v '^ *+' conftest.err >conftest.er1
cat conftest.er1 >&5
mv -f conftest.er1 conftest.err
fi
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest.$ac_objext; then :
ac_retval=0
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_retval=1
fi
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_compile
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
if test "x$libc_cv_gcc___thread" != xyes; then
as_fn_error $? "compiler support for __thread is required" "$LINENO" 5
fi
if test "x${libc_cv_visibility_attribute}" != xyes ||
test "x${libc_cv_broken_visibility_attribute}" != xno; then
as_fn_error $? "working compiler support for visibility attribute is required" "$LINENO" 5
fi
if test "x$libc_cv_asm_cfi_directives" != xyes; then
case "$base_machine" in
i386 | x86_64 | powerpc | s390)
as_fn_error $? "CFI directive support in assembler is required" "$LINENO" 5 ;;
*) ;;
esac
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for forced unwind support" >&5
$as_echo_n "checking for forced unwind support... " >&6; }
if ${libc_cv_forced_unwind+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <unwind.h>
int
main ()
{
struct _Unwind_Exception exc;
struct _Unwind_Context *context;
_Unwind_GetCFA (context)
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libc_cv_forced_unwind=yes
else
libc_cv_forced_unwind=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_forced_unwind" >&5
$as_echo "$libc_cv_forced_unwind" >&6; }
if test $libc_cv_forced_unwind = yes; then
$as_echo "#define HAVE_FORCED_UNWIND 1" >>confdefs.h
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror -fexceptions"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C cleanup handling" >&5
$as_echo_n "checking for C cleanup handling... " >&6; }
if ${libc_cv_c_cleanup+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
extern void some_function (void);
void cl (void *a) { }
int
main ()
{
int a __attribute__ ((cleanup (cl)));
some_function ()
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libc_cv_c_cleanup=yes
else
libc_cv_c_cleanup=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_c_cleanup" >&5
$as_echo "$libc_cv_c_cleanup" >&6; }
CFLAGS="$old_CFLAGS"
if test $libc_cv_c_cleanup = no; then
as_fn_error $? "the compiler must support C cleanup handling" "$LINENO" 5
fi
else
as_fn_error $? "forced unwind support is required" "$LINENO" 5
fi
|
