mirror of
https://github.com/python/cpython
synced 2024-09-05 00:05:39 +00:00
- Issue #14324: Fix configure tests for cross builds.
when configured --with(out)-computed-gotos for a cross, use this value instead of defaulting to no.
This commit is contained in:
parent
3b739b149b
commit
b17289e199
89
configure
vendored
89
configure
vendored
|
@ -14022,49 +14022,6 @@ $as_echo "#define HAVE_BROKEN_MBSTOWCS 1" >>confdefs.h
|
|||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports computed gotos" >&5
|
||||
$as_echo_n "checking whether $CC supports computed gotos... " >&6; }
|
||||
if ${ac_cv_computed_gotos+:} false; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
if test "$cross_compiling" = yes; then :
|
||||
ac_cv_computed_gotos=no
|
||||
else
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
static void *targets[1] = { &&LABEL1 };
|
||||
goto LABEL2;
|
||||
LABEL1:
|
||||
return 0;
|
||||
LABEL2:
|
||||
goto *targets[0];
|
||||
return 1;
|
||||
}
|
||||
|
||||
_ACEOF
|
||||
if ac_fn_c_try_run "$LINENO"; then :
|
||||
ac_cv_computed_gotos=yes
|
||||
else
|
||||
ac_cv_computed_gotos=no
|
||||
fi
|
||||
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
|
||||
conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_computed_gotos" >&5
|
||||
$as_echo "$ac_cv_computed_gotos" >&6; }
|
||||
if test "$ac_cv_computed_gotos" = yes
|
||||
then
|
||||
|
||||
$as_echo "#define HAVE_COMPUTED_GOTOS 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
|
||||
# Check for --with-computed-gotos
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-computed-gotos" >&5
|
||||
$as_echo_n "checking for --with-computed-gotos... " >&6; }
|
||||
|
@ -14095,6 +14052,52 @@ $as_echo "no value specified" >&6; }
|
|||
fi
|
||||
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports computed gotos" >&5
|
||||
$as_echo_n "checking whether $CC supports computed gotos... " >&6; }
|
||||
if ${ac_cv_computed_gotos+:} false; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
if test "$cross_compiling" = yes; then :
|
||||
if test "${with_computed_gotos+set}" = set; then
|
||||
ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
|
||||
else
|
||||
ac_cv_computed_gotos=no
|
||||
fi
|
||||
else
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
static void *targets[1] = { &&LABEL1 };
|
||||
goto LABEL2;
|
||||
LABEL1:
|
||||
return 0;
|
||||
LABEL2:
|
||||
goto *targets[0];
|
||||
return 1;
|
||||
}
|
||||
|
||||
_ACEOF
|
||||
if ac_fn_c_try_run "$LINENO"; then :
|
||||
ac_cv_computed_gotos=yes
|
||||
else
|
||||
ac_cv_computed_gotos=no
|
||||
fi
|
||||
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
|
||||
conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_computed_gotos" >&5
|
||||
$as_echo "$ac_cv_computed_gotos" >&6; }
|
||||
case "$ac_cv_computed_gotos" in yes*)
|
||||
|
||||
$as_echo "#define HAVE_COMPUTED_GOTOS 1" >>confdefs.h
|
||||
|
||||
esac
|
||||
|
||||
case $ac_sys_system in
|
||||
AIX*)
|
||||
|
||||
|
|
51
configure.ac
51
configure.ac
|
@ -4239,30 +4239,6 @@ then
|
|||
wide chars that would be converted.])
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING(whether $CC supports computed gotos)
|
||||
AC_CACHE_VAL(ac_cv_computed_gotos,
|
||||
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
static void *targets[1] = { &&LABEL1 };
|
||||
goto LABEL2;
|
||||
LABEL1:
|
||||
return 0;
|
||||
LABEL2:
|
||||
goto *targets[0];
|
||||
return 1;
|
||||
}
|
||||
]]])],
|
||||
[ac_cv_computed_gotos=yes],
|
||||
[ac_cv_computed_gotos=no],
|
||||
[ac_cv_computed_gotos=no]))
|
||||
AC_MSG_RESULT($ac_cv_computed_gotos)
|
||||
if test "$ac_cv_computed_gotos" = yes
|
||||
then
|
||||
AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
|
||||
[Define if the C compiler supports computed gotos.])
|
||||
fi
|
||||
|
||||
# Check for --with-computed-gotos
|
||||
AC_MSG_CHECKING(for --with-computed-gotos)
|
||||
AC_ARG_WITH(computed-gotos,
|
||||
|
@ -4284,6 +4260,33 @@ fi
|
|||
],
|
||||
[AC_MSG_RESULT(no value specified)])
|
||||
|
||||
AC_MSG_CHECKING(whether $CC supports computed gotos)
|
||||
AC_CACHE_VAL(ac_cv_computed_gotos,
|
||||
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
static void *targets[1] = { &&LABEL1 };
|
||||
goto LABEL2;
|
||||
LABEL1:
|
||||
return 0;
|
||||
LABEL2:
|
||||
goto *targets[0];
|
||||
return 1;
|
||||
}
|
||||
]]])],
|
||||
[ac_cv_computed_gotos=yes],
|
||||
[ac_cv_computed_gotos=no],
|
||||
[if test "${with_computed_gotos+set}" = set; then
|
||||
ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
|
||||
else
|
||||
ac_cv_computed_gotos=no
|
||||
fi]))
|
||||
AC_MSG_RESULT($ac_cv_computed_gotos)
|
||||
case "$ac_cv_computed_gotos" in yes*)
|
||||
AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
|
||||
[Define if the C compiler supports computed gotos.])
|
||||
esac
|
||||
|
||||
case $ac_sys_system in
|
||||
AIX*)
|
||||
AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;;
|
||||
|
|
Loading…
Reference in a new issue