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|
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
if test "x$libc_cv_gcc___thread" != xyes; then
{ { echo "$as_me:$LINENO: error: compiler support for __thread is required" >&5
echo "$as_me: error: compiler support for __thread is required" >&2;}
{ (exit 1); exit 1; }; }
fi
if test "x${libc_cv_visibility_attribute}" != xyes ||
test "x${libc_cv_broken_visibility_attribute}" != xno; then
{ { echo "$as_me:$LINENO: error: working compiler support for visibility attribute is required" >&5
echo "$as_me: error: working compiler support for visibility attribute is required" >&2;}
{ (exit 1); exit 1; }; }
fi
if test "x$libc_cv_asm_cfi_directives" != xyes; then
case "$base_machine" in
i386 | x86_64 | powerpc | s390)
{ { echo "$as_me:$LINENO: error: CFI directive support in assembler is required" >&5
echo "$as_me: error: CFI directive support in assembler is required" >&2;}
{ (exit 1); exit 1; }; } ;;
*) ;;
esac
fi
{ echo "$as_me:$LINENO: checking for forced unwind support" >&5
echo $ECHO_N "checking for forced unwind support... $ECHO_C" >&6; }
if test "${libc_cv_forced_unwind+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <unwind.h>
int
main ()
{
struct _Unwind_Exception exc;
struct _Unwind_Context *context;
_Unwind_GetCFA (context)
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
libc_cv_forced_unwind=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
libc_cv_forced_unwind=no
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
fi
{ echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5
echo "${ECHO_T}$libc_cv_forced_unwind" >&6; }
if test $libc_cv_forced_unwind = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_FORCED_UNWIND 1
_ACEOF
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror -fexceptions"
{ echo "$as_me:$LINENO: checking for C cleanup handling" >&5
echo $ECHO_N "checking for C cleanup handling... $ECHO_C" >&6; }
if test "${libc_cv_c_cleanup+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <stdio.h>
void cl (void *a) { }
int
main ()
{
int a __attribute__ ((cleanup (cl)));
puts ("test")
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
libc_cv_c_cleanup=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
libc_cv_c_cleanup=no
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
fi
{ echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
echo "${ECHO_T}$libc_cv_c_cleanup" >&6; }
CFLAGS="$old_CFLAGS"
if test $libc_cv_c_cleanup = no; then
{ { echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5
echo "$as_me: error: the compiler must support C cleanup handling" >&2;}
{ (exit 1); exit 1; }; }
fi
else
{ { echo "$as_me:$LINENO: error: forced unwind support is required" >&5
echo "$as_me: error: forced unwind support is required" >&2;}
{ (exit 1); exit 1; }; }
fi
|
