mirror of
https://github.com/python/cpython
synced 2024-09-05 00:05:39 +00:00
Add macros for checking for long double and defining the size of long double on the platform. Ctypes and Struct module will both need them.
This commit is contained in:
Travis E. Oliphant
parent
d5c0add332
commit
9b30784ab2
464
configure
vendored
464
configure
vendored
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@ -1,5 +1,5 @@
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#! /bin/sh
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# From configure.in Revision: 57931 .
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# From configure.in Revision: 58054 .
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.61 for python 3.0.
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#
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@ -10589,6 +10589,468 @@ _ACEOF
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fi
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{ echo "$as_me:$LINENO: checking for long double support" >&5
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echo $ECHO_N "checking for long double support... $ECHO_C" >&6; }
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have_long_double=no
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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long double x; x = (long double)0;
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_LONG_DOUBLE 1
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_ACEOF
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have_long_double=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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{ echo "$as_me:$LINENO: result: $have_long_double" >&5
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echo "${ECHO_T}$have_long_double" >&6; }
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if test "$have_long_double" = yes ; then
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{ echo "$as_me:$LINENO: checking for long double" >&5
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echo $ECHO_N "checking for long double... $ECHO_C" >&6; }
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if test "${ac_cv_type_long_double+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_new_;
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int
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main ()
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{
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if ((ac__type_new_ *) 0)
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return 0;
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if (sizeof (ac__type_new_))
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return 0;
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_cv_type_long_double=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_type_long_double=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_type_long_double" >&5
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echo "${ECHO_T}$ac_cv_type_long_double" >&6; }
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# The cast to long int works around a bug in the HP C Compiler
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# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
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# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
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# This bug is HP SR number 8606223364.
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{ echo "$as_me:$LINENO: checking size of long double" >&5
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echo $ECHO_N "checking size of long double... $ECHO_C" >&6; }
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if test "${ac_cv_sizeof_long_double+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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if test "$cross_compiling" = yes; then
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# Depending upon the size, compute the lo and hi bounds.
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_sizeof_;
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int
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main ()
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{
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static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) >= 0)];
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test_array [0] = 0
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_lo=0 ac_mid=0
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while :; do
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_sizeof_;
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int
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main ()
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{
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static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) <= $ac_mid)];
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test_array [0] = 0
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_hi=$ac_mid; break
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_lo=`expr $ac_mid + 1`
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if test $ac_lo -le $ac_mid; then
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ac_lo= ac_hi=
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break
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fi
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ac_mid=`expr 2 '*' $ac_mid + 1`
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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done
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_sizeof_;
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int
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main ()
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{
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static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) < 0)];
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test_array [0] = 0
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_hi=-1 ac_mid=-1
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while :; do
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_sizeof_;
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int
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main ()
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{
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static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) >= $ac_mid)];
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test_array [0] = 0
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_lo=$ac_mid; break
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_hi=`expr '(' $ac_mid ')' - 1`
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if test $ac_mid -le $ac_hi; then
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ac_lo= ac_hi=
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break
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fi
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ac_mid=`expr 2 '*' $ac_mid`
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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done
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_lo= ac_hi=
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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# Binary search between lo and hi bounds.
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while test "x$ac_lo" != "x$ac_hi"; do
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ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_sizeof_;
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int
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main ()
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{
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static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) <= $ac_mid)];
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test_array [0] = 0
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_hi=$ac_mid
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_lo=`expr '(' $ac_mid ')' + 1`
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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done
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case $ac_lo in
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?*) ac_cv_sizeof_long_double=$ac_lo;;
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'') if test "$ac_cv_type_long_double" = yes; then
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{ { echo "$as_me:$LINENO: error: cannot compute sizeof (long double)
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See \`config.log' for more details." >&5
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echo "$as_me: error: cannot compute sizeof (long double)
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See \`config.log' for more details." >&2;}
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{ (exit 77); exit 77; }; }
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else
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ac_cv_sizeof_long_double=0
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fi ;;
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esac
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
|
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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typedef long double ac__type_sizeof_;
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static long int longval () { return (long int) (sizeof (ac__type_sizeof_)); }
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static unsigned long int ulongval () { return (long int) (sizeof (ac__type_sizeof_)); }
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#include <stdio.h>
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#include <stdlib.h>
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int
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main ()
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{
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FILE *f = fopen ("conftest.val", "w");
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if (! f)
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return 1;
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if (((long int) (sizeof (ac__type_sizeof_))) < 0)
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{
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long int i = longval ();
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if (i != ((long int) (sizeof (ac__type_sizeof_))))
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return 1;
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fprintf (f, "%ld\n", i);
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}
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else
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{
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unsigned long int i = ulongval ();
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if (i != ((long int) (sizeof (ac__type_sizeof_))))
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return 1;
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fprintf (f, "%lu\n", i);
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}
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return ferror (f) || fclose (f) != 0;
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;
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return 0;
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}
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_ACEOF
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rm -f conftest$ac_exeext
|
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if { (ac_try="$ac_link"
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case "(($ac_try" in
|
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
|
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*) ac_try_echo=$ac_try;;
|
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esac
|
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
|
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(eval "$ac_link") 2>&5
|
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ac_status=$?
|
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
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(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
|
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{ (case "(($ac_try" in
|
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
|
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*) ac_try_echo=$ac_try;;
|
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esac
|
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
|
||||
(eval "$ac_try") 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
ac_cv_sizeof_long_double=`cat conftest.val`
|
||||
else
|
||||
echo "$as_me: program exited with status $ac_status" >&5
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
( exit $ac_status )
|
||||
if test "$ac_cv_type_long_double" = yes; then
|
||||
{ { echo "$as_me:$LINENO: error: cannot compute sizeof (long double)
|
||||
See \`config.log' for more details." >&5
|
||||
echo "$as_me: error: cannot compute sizeof (long double)
|
||||
See \`config.log' for more details." >&2;}
|
||||
{ (exit 77); exit 77; }; }
|
||||
else
|
||||
ac_cv_sizeof_long_double=0
|
||||
fi
|
||||
fi
|
||||
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
|
||||
fi
|
||||
rm -f conftest.val
|
||||
fi
|
||||
{ echo "$as_me:$LINENO: result: $ac_cv_sizeof_long_double" >&5
|
||||
echo "${ECHO_T}$ac_cv_sizeof_long_double" >&6; }
|
||||
|
||||
|
||||
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define SIZEOF_LONG_DOUBLE $ac_cv_sizeof_long_double
|
||||
_ACEOF
|
||||
|
||||
|
||||
fi
|
||||
|
||||
|
||||
{ echo "$as_me:$LINENO: checking for _Bool support" >&5
|
||||
echo $ECHO_N "checking for _Bool support... $ECHO_C" >&6; }
|
||||
have_c99_bool=no
|
||||
|
|
|
|||
12
configure.in
12
configure.in
|
|
@ -1197,6 +1197,18 @@ if test "$have_long_long" = yes ; then
|
|||
AC_CHECK_SIZEOF(long long, 8)
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING(for long double support)
|
||||
have_long_double=no
|
||||
AC_TRY_COMPILE([], [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_CHECK_SIZEOF(long double, 16)
|
||||
fi
|
||||
|
||||
|
||||
AC_MSG_CHECKING(for _Bool support)
|
||||
have_c99_bool=no
|
||||
AC_TRY_COMPILE([], [_Bool x; x = (_Bool)0;], [
|
||||
|
|
|
|||
|
|
@ -330,6 +330,9 @@
|
|||
/* Define to 1 if you have the <linux/netlink.h> header file. */
|
||||
#undef HAVE_LINUX_NETLINK_H
|
||||
|
||||
/* Define this if you have the type long double. */
|
||||
#undef HAVE_LONG_DOUBLE
|
||||
|
||||
/* Define this if you have the type long long. */
|
||||
#undef HAVE_LONG_LONG
|
||||
|
||||
|
|
@ -824,6 +827,9 @@
|
|||
/* The size of `long', as computed by sizeof. */
|
||||
#undef SIZEOF_LONG
|
||||
|
||||
/* The size of `long double', as computed by sizeof. */
|
||||
#undef SIZEOF_LONG_DOUBLE
|
||||
|
||||
/* The size of `long long', as computed by sizeof. */
|
||||
#undef SIZEOF_LONG_LONG
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue