closes bpo-33512: use standard for detecting long double (GH-6847)
This commit is contained in:
Eitan Adler
Benjamin Peterson
parent
2a7bacbd91
commit
3055c947f9
|
|
@ -0,0 +1 @@
|
|||
configure's check for "long double" has been simplified
|
||||
|
|
@ -779,7 +779,6 @@ infodir
|
|||
docdir
|
||||
oldincludedir
|
||||
includedir
|
||||
runstatedir
|
||||
localstatedir
|
||||
sharedstatedir
|
||||
sysconfdir
|
||||
|
|
@ -887,7 +886,6 @@ datadir='${datarootdir}'
|
|||
sysconfdir='${prefix}/etc'
|
||||
sharedstatedir='${prefix}/com'
|
||||
localstatedir='${prefix}/var'
|
||||
runstatedir='${localstatedir}/run'
|
||||
includedir='${prefix}/include'
|
||||
oldincludedir='/usr/include'
|
||||
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
|
||||
|
|
@ -1140,15 +1138,6 @@ do
|
|||
| -silent | --silent | --silen | --sile | --sil)
|
||||
silent=yes ;;
|
||||
|
||||
-runstatedir | --runstatedir | --runstatedi | --runstated \
|
||||
| --runstate | --runstat | --runsta | --runst | --runs \
|
||||
| --run | --ru | --r)
|
||||
ac_prev=runstatedir ;;
|
||||
-runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
|
||||
| --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
|
||||
| --run=* | --ru=* | --r=*)
|
||||
runstatedir=$ac_optarg ;;
|
||||
|
||||
-sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
|
||||
ac_prev=sbindir ;;
|
||||
-sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
|
||||
|
|
@ -1286,7 +1275,7 @@ fi
|
|||
for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \
|
||||
datadir sysconfdir sharedstatedir localstatedir includedir \
|
||||
oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
|
||||
libdir localedir mandir runstatedir
|
||||
libdir localedir mandir
|
||||
do
|
||||
eval ac_val=\$$ac_var
|
||||
# Remove trailing slashes.
|
||||
|
|
@ -1439,7 +1428,6 @@ Fine tuning of the installation directories:
|
|||
--sysconfdir=DIR read-only single-machine data [PREFIX/etc]
|
||||
--sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
|
||||
--localstatedir=DIR modifiable single-machine data [PREFIX/var]
|
||||
--runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run]
|
||||
--libdir=DIR object code libraries [EPREFIX/lib]
|
||||
--includedir=DIR C header files [PREFIX/include]
|
||||
--oldincludedir=DIR C header files for non-gcc [/usr/include]
|
||||
|
|
@ -8603,32 +8591,48 @@ _ACEOF
|
|||
|
||||
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long double support" >&5
|
||||
$as_echo_n "checking for long double support... " >&6; }
|
||||
have_long_double=no
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long double" >&5
|
||||
$as_echo_n "checking for long double... " >&6; }
|
||||
if ${ac_cv_type_long_double+:} false; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
if test "$GCC" = yes; then
|
||||
ac_cv_type_long_double=yes
|
||||
else
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
/* The Stardent Vistra knows sizeof (long double), but does
|
||||
not support it. */
|
||||
long double foo = 0.0L;
|
||||
int
|
||||
main ()
|
||||
{
|
||||
long double x; x = (long double)0;
|
||||
static int test_array [1 - 2 * !(/* On Ultrix 4.3 cc, long double is 4 and double is 8. */
|
||||
sizeof (double) <= sizeof (long double))];
|
||||
test_array [0] = 0;
|
||||
return test_array [0];
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"; then :
|
||||
|
||||
ac_cv_type_long_double=yes
|
||||
else
|
||||
ac_cv_type_long_double=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
||||
fi
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_long_double" >&5
|
||||
$as_echo "$ac_cv_type_long_double" >&6; }
|
||||
if test $ac_cv_type_long_double = yes; then
|
||||
|
||||
$as_echo "#define HAVE_LONG_DOUBLE 1" >>confdefs.h
|
||||
|
||||
have_long_double=yes
|
||||
fi
|
||||
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_long_double" >&5
|
||||
$as_echo "$have_long_double" >&6; }
|
||||
if test "$have_long_double" = yes ; then
|
||||
# The cast to long int works around a bug in the HP C Compiler
|
||||
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
|
||||
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
|
||||
|
|
@ -8662,7 +8666,6 @@ cat >>confdefs.h <<_ACEOF
|
|||
_ACEOF
|
||||
|
||||
|
||||
fi
|
||||
|
||||
# The cast to long int works around a bug in the HP C Compiler
|
||||
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
|
||||
|
|
|
|||
10
configure.ac
10
configure.ac
|
|
@ -2198,16 +2198,8 @@ AC_CHECK_SIZEOF(size_t, 4)
|
|||
AC_CHECK_SIZEOF(pid_t, 4)
|
||||
AC_CHECK_SIZEOF(uintptr_t)
|
||||
|
||||
AC_MSG_CHECKING(for long double support)
|
||||
have_long_double=no
|
||||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long double x; x = (long double)0;]])],[
|
||||
AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define this if you have the type long double.])
|
||||
have_long_double=yes
|
||||
],[])
|
||||
AC_MSG_RESULT($have_long_double)
|
||||
if test "$have_long_double" = yes ; then
|
||||
AC_TYPE_LONG_DOUBLE
|
||||
AC_CHECK_SIZEOF(long double, 16)
|
||||
fi
|
||||
|
||||
AC_CHECK_SIZEOF(_Bool, 1)
|
||||
|
||||
|
|
|
|||
|
|
@ -617,7 +617,7 @@
|
|||
/* Define to 1 if you have the `log2' function. */
|
||||
#undef HAVE_LOG2
|
||||
|
||||
/* Define this if you have the type long double. */
|
||||
/* Define to 1 if the system has the type `long double'. */
|
||||
#undef HAVE_LONG_DOUBLE
|
||||
|
||||
/* Define to 1 if you have the `lstat' function. */
|
||||
|
|
|
|||
Loading…
Reference in New Issue