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acinclude.m4 ([GLIBCXX_CHECK_INT64_T]): Also check whether int64_t is actually a typedef to long or long long.

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2008-08-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* acinclude.m4 ([GLIBCXX_CHECK_INT64_T]): Also check whether int64_t
	is actually a typedef to long or long long.
	* include/bits/postypes.h: If int64_t is actually a typedef for
	long or long long don't include <stdint.h> unnecessarily.
	* configure: Regenerate.
	* config.h.in: Likewise.

From-SVN: r138797
This commit is contained in:
Paolo Carlini 2008-08-06 12:25:00 +00:00 committed by Paolo Carlini
parent 753b34d777
commit fc9ab7b4c0
5 changed files with 218 additions and 6 deletions
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9
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,12 @@
008-08-06 Paolo Carlini <paolo.carlini@oracle.com>
* acinclude.m4 ([GLIBCXX_CHECK_INT64_T]): Also check whether int64_t
is actually a typedef to long or long long.
* include/bits/postypes.h: If int64_t is actually a typedef for
long or long long don't include <stdint.h> unnecessarily.
* configure: Regenerate.
* config.h.in: Likewise.
2008-08-05 Paolo Carlini <paolo.carlini@oracle.com>
* testsuite/util/testsuite_api.h (diamond_derivation<>::test):

40
libstdc++-v3/acinclude.m4
View File

@ -466,8 +466,13 @@ AC_DEFUN([GLIBCXX_CHECK_WRITEV], [
dnl
dnl Check whether int64_t is available in <stdint.h>, and define HAVE_INT64_T.
dnl Also check whether int64_t is actually a typedef to long or long long.
dnl
AC_DEFUN([GLIBCXX_CHECK_INT64_T], [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_MSG_CHECKING([for int64_t])
AC_CACHE_VAL(glibcxx_cv_INT64_T, [
AC_TRY_COMPILE(
@ -476,10 +481,43 @@ AC_DEFUN([GLIBCXX_CHECK_INT64_T], [
[glibcxx_cv_INT64_T=yes],
[glibcxx_cv_INT64_T=no])
])
if test $glibcxx_cv_INT64_T = yes; then
AC_DEFINE(HAVE_INT64_T, 1, [Define if int64_t is available in <stdint.h>.])
AC_MSG_RESULT($glibcxx_cv_INT64_T)
AC_MSG_CHECKING([for int64_t as long])
AC_CACHE_VAL(glibcxx_cv_int64_t_long, [
AC_TRY_COMPILE(
[#include <stdint.h>
template<typename, typename> struct same { enum { value = -1 }; };
template<typename Tp> struct same<Tp, Tp> { enum { value = 1 }; };
int array[same<int64_t, long>::value];], [],
[glibcxx_cv_int64_t_long=yes], [glibcxx_cv_int64_t_long=no])
])
if test $glibcxx_cv_int64_t_long = yes; then
AC_DEFINE(HAVE_INT64_T_LONG, 1, [Define if int64_t is a long.])
AC_MSG_RESULT($glibcxx_cv_int64_t_long)
fi
AC_MSG_CHECKING([for int64_t as long long])
AC_CACHE_VAL(glibcxx_cv_int64_t_long_long, [
AC_TRY_COMPILE(
[#include <stdint.h>
template<typename, typename> struct same { enum { value = -1 }; };
template<typename Tp> struct same<Tp, Tp> { enum { value = 1 }; };
int array[same<int64_t, long long>::value];], [],
[glibcxx_cv_int64_t_long_long=yes], [glibcxx_cv_int64_t_long_long=no])
])
if test $glibcxx_cv_int64_t_long_long = yes; then
AC_DEFINE(HAVE_INT64_T_LONG_LONG, 1, [Define if int64_t is a long long.])
AC_MSG_RESULT($glibcxx_cv_int64_t_long_long)
fi
fi
AC_MSG_RESULT($glibcxx_cv_INT64_T)
AC_LANG_RESTORE
])

6
libstdc++-v3/config.h.in
View File

@ -184,6 +184,12 @@
/* Define if int64_t is available in <stdint.h>. */
#undef HAVE_INT64_T
/* Define if int64_t is a long. */
#undef HAVE_INT64_T_LONG
/* Define if int64_t is a long long. */
#undef HAVE_INT64_T_LONG_LONG
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H

160
libstdc++-v3/configure vendored
View File

@ -39677,6 +39677,16 @@ echo "${ECHO_T}$glibcxx_cv_WRITEV" >&6
# For the __streamoff_base_type typedef.
ac_ext=cc
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
echo "$as_me:$LINENO: checking for int64_t" >&5
echo $ECHO_N "checking for int64_t... $ECHO_C" >&6
if test "${glibcxx_cv_INT64_T+set}" = set; then
@ -39707,7 +39717,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
{ ac_try='test -z "$ac_cxx_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
@ -39731,16 +39741,160 @@ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
fi
if test $glibcxx_cv_INT64_T = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_INT64_T 1
_ACEOF
fi
echo "$as_me:$LINENO: result: $glibcxx_cv_INT64_T" >&5
echo "$as_me:$LINENO: result: $glibcxx_cv_INT64_T" >&5
echo "${ECHO_T}$glibcxx_cv_INT64_T" >&6
echo "$as_me:$LINENO: checking for int64_t as long" >&5
echo $ECHO_N "checking for int64_t as long... $ECHO_C" >&6
if test "${glibcxx_cv_int64_t_long+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 <stdint.h>
template<typename, typename> struct same { enum { value = -1 }; };
template<typename Tp> struct same<Tp, Tp> { enum { value = 1 }; };
int array[same<int64_t, long>::value];
int
main ()
{
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_cxx_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
glibcxx_cv_int64_t_long=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
glibcxx_cv_int64_t_long=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
fi
if test $glibcxx_cv_int64_t_long = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_INT64_T_LONG 1
_ACEOF
echo "$as_me:$LINENO: result: $glibcxx_cv_int64_t_long" >&5
echo "${ECHO_T}$glibcxx_cv_int64_t_long" >&6
fi
echo "$as_me:$LINENO: checking for int64_t as long long" >&5
echo $ECHO_N "checking for int64_t as long long... $ECHO_C" >&6
if test "${glibcxx_cv_int64_t_long_long+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 <stdint.h>
template<typename, typename> struct same { enum { value = -1 }; };
template<typename Tp> struct same<Tp, Tp> { enum { value = 1 }; };
int array[same<int64_t, long long>::value];
int
main ()
{
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_cxx_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
glibcxx_cv_int64_t_long_long=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
glibcxx_cv_int64_t_long_long=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
fi
if test $glibcxx_cv_int64_t_long_long = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_INT64_T_LONG_LONG 1
_ACEOF
echo "$as_me:$LINENO: result: $glibcxx_cv_int64_t_long_long" >&5
echo "${ECHO_T}$glibcxx_cv_int64_t_long_long" >&6
fi
fi
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
# For LFS support.

9
libstdc++-v3/include/bits/postypes.h
View File

@ -49,7 +49,8 @@
// XXX If <stdint.h> is really needed, make sure to define the macros,
// in order not to break <tr1/cstdint> (and <cstdint> in C++0x).
// Reconsider all this as soon as possible...
#ifdef _GLIBCXX_HAVE_INT64_T
#if (defined(_GLIBCXX_HAVE_INT64_T) && !defined(_GLIBCXX_HAVE_INT64_T_LONG) \
&& !defined(_GLIBCXX_HAVE_INT64_T_LONG_LONG))
#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
@ -76,7 +77,11 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
* Note: In versions of GCC up to and including GCC 3.3, streamoff
* was typedef long.
*/
#ifdef _GLIBCXX_HAVE_INT64_T
#ifdef _GLIBCXX_HAVE_INT64_T_LONG
typedef long streamoff;
#elif defined(_GLIBCXX_HAVE_INT64_T_LONG_LONG)
typedef long long streamoff;
#elif defined(_GLIBCXX_HAVE_INT64_T)
typedef int64_t streamoff;
#else
typedef long long streamoff;