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(
[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($glibcxx_cv_INT64_T)
+
+ AC_LANG_RESTORE
])
# For the __streamoff_base_type typedef.
+
+
+
+ ac_ext=cc
+ac_cpp='$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
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
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.