fi
fi
+ # Check for the existence of <ctype.h> functions.
+ AC_CACHE_CHECK([for ISO C99 support for C++11 in <ctype.h>],
+ glibcxx_cv_c99_ctype, [
+ AC_TRY_COMPILE([#include <ctype.h>],
+ [int ch;
+ int ret;
+ ret = isblank(ch);
+ ],[glibcxx_cv_c99_ctype=yes],
+ [glibcxx_cv_c99_ctype=no])
+ ])
+ if test x"$glibcxx_cv_c99_ctype" = x"yes"; then
+ AC_DEFINE(_GLIBCXX_USE_C99_CTYPE, 1,
+ [Define if C99 functions in <ctype.h> should be imported in
+ <cctype> in namespace std for C++11.])
+ fi
+
+ # Check for the existence of <fenv.h> functions.
+ AC_CHECK_HEADERS(fenv.h, ac_has_fenv_h=yes, ac_has_fenv_h=no)
+ ac_c99_fenv=no;
+ if test x"$ac_has_fenv_h" = x"yes"; then
+ AC_MSG_CHECKING([for ISO C99 support for C++11 in <fenv.h>])
+ AC_TRY_COMPILE([#include <fenv.h>],
+ [int except, mode;
+ fexcept_t* pflag;
+ fenv_t* penv;
+ int ret;
+ ret = feclearexcept(except);
+ ret = fegetexceptflag(pflag, except);
+ ret = feraiseexcept(except);
+ ret = fesetexceptflag(pflag, except);
+ ret = fetestexcept(except);
+ ret = fegetround();
+ ret = fesetround(mode);
+ ret = fegetenv(penv);
+ ret = feholdexcept(penv);
+ ret = fesetenv(penv);
+ ret = feupdateenv(penv);
+ ],[ac_c99_fenv=yes], [ac_c99_fenv=no])
+ AC_MSG_RESULT($ac_c99_fenv)
+ fi
+ if test x"$ac_c99_fenv" = x"yes"; then
+ AC_DEFINE(_GLIBCXX_USE_C99_FENV, 1,
+ [Define if C99 functions in <fenv.h> should be imported in
+ <cfenv> in namespace std for C++11.])
+ fi
+
gcc_no_link="$ac_save_gcc_no_link"
LIBS="$ac_save_LIBS"
CXXFLAGS="$ac_save_CXXFLAGS"
library functions to be present. */
#undef _GLIBCXX_USE_C99_COMPLEX_TR1
+/* Define if C99 functions in <ctype.h> should be imported in <cctype> in
+ namespace std for C++11. */
+#undef _GLIBCXX_USE_C99_CTYPE
+
/* Define if C99 functions in <ctype.h> should be imported in <tr1/cctype> in
namespace std::tr1. */
#undef _GLIBCXX_USE_C99_CTYPE_TR1
+/* Define if C99 functions in <fenv.h> should be imported in <cfenv> in
+ namespace std for C++11. */
+#undef _GLIBCXX_USE_C99_FENV
+
/* Define if C99 functions in <fenv.h> should be imported in <tr1/cfenv> in
namespace std::tr1. */
#undef _GLIBCXX_USE_C99_FENV_TR1
fi
fi
+ # Check for the existence of <ctype.h> functions.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support for C++11 in <ctype.h>" >&5
+$as_echo_n "checking for ISO C99 support for C++11 in <ctype.h>... " >&6; }
+if ${glibcxx_cv_c99_ctype+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ctype.h>
+int
+main ()
+{
+int ch;
+ int ret;
+ ret = isblank(ch);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_ctype=yes
+else
+ glibcxx_cv_c99_ctype=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_ctype" >&5
+$as_echo "$glibcxx_cv_c99_ctype" >&6; }
+ if test x"$glibcxx_cv_c99_ctype" = x"yes"; then
+
+$as_echo "#define _GLIBCXX_USE_C99_CTYPE 1" >>confdefs.h
+
+ fi
+
+ # Check for the existence of <fenv.h> functions.
+ for ac_header in fenv.h
+do :
+ ac_fn_cxx_check_header_mongrel "$LINENO" "fenv.h" "ac_cv_header_fenv_h" "$ac_includes_default"
+if test "x$ac_cv_header_fenv_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_FENV_H 1
+_ACEOF
+ ac_has_fenv_h=yes
+else
+ ac_has_fenv_h=no
+fi
+
+done
+
+ ac_c99_fenv=no;
+ if test x"$ac_has_fenv_h" = x"yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support for C++11 in <fenv.h>" >&5
+$as_echo_n "checking for ISO C99 support for C++11 in <fenv.h>... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <fenv.h>
+int
+main ()
+{
+int except, mode;
+ fexcept_t* pflag;
+ fenv_t* penv;
+ int ret;
+ ret = feclearexcept(except);
+ ret = fegetexceptflag(pflag, except);
+ ret = feraiseexcept(except);
+ ret = fesetexceptflag(pflag, except);
+ ret = fetestexcept(except);
+ ret = fegetround();
+ ret = fesetround(mode);
+ ret = fegetenv(penv);
+ ret = feholdexcept(penv);
+ ret = fesetenv(penv);
+ ret = feupdateenv(penv);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_c99_fenv=yes
+else
+ ac_c99_fenv=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_c99_fenv" >&5
+$as_echo "$ac_c99_fenv" >&6; }
+ fi
+ if test x"$ac_c99_fenv" = x"yes"; then
+
+$as_echo "#define _GLIBCXX_USE_C99_FENV 1" >>confdefs.h
+
+ fi
+
gcc_no_link="$ac_save_gcc_no_link"
LIBS="$ac_save_LIBS"
CXXFLAGS="$ac_save_CXXFLAGS"
#if __cplusplus >= 201103L
-#if _GLIBCXX_USE_C99_FENV_TR1
+#if _GLIBCXX_USE_C99_FENV
#undef feclearexcept
#undef fegetexceptflag
using ::feupdateenv;
} // namespace
-#endif // _GLIBCXX_USE_C99_FENV_TR1
+#endif // _GLIBCXX_USE_C99_FENV
#endif // C++11
#if __cplusplus >= 201103L
-#ifdef _GLIBCXX_USE_C99_CTYPE_TR1
+#ifdef _GLIBCXX_USE_C99_CTYPE
#undef isblank
using ::isblank;
} // namespace std
-#endif // _GLIBCXX_USE_C99_CTYPE_TR1
+#endif // _GLIBCXX_USE_C99_CTYPE
#endif // C++11
# include <fenv.h>
#endif
-#ifdef _GLIBCXX_USE_C99_FENV_TR1
+#ifdef _GLIBCXX_USE_C99_FENV
#undef feclearexcept
#undef fegetexceptflag
using ::feupdateenv;
} // namespace std
-#endif // _GLIBCXX_USE_C99_FENV_TR1
+#endif // _GLIBCXX_USE_C99_FENV
#endif // C++11