@@ -1620,7 +1620,7 @@ AC_DEFUN([GLIBCXX_CHECK_C99_TR1], [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
- # Use -std=c++98 because the default (-std=gnu++98) leaves __STRICT_ANSI__
+ # Use -std=c++98 because -std=gnu++98 leaves __STRICT_ANSI__
# undefined and fake C99 facilities may be spuriously enabled.
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -std=c++98"
@@ -1885,9 +1885,9 @@ AC_DEFUN([GLIBCXX_CHECK_C99_TR1], [
lround(0.0);
lroundf(0.0f);
lroundl(0.0l);
- nan(0);
- nanf(0);
- nanl(0);
+ nan("");
+ nanf("");
+ nanl("");
nearbyint(0.0);
nearbyintf(0.0f);
nearbyintl(0.0l);
@@ -19731,7 +19731,7 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
- # Use -std=c++98 because the default (-std=gnu++98) leaves __STRICT_ANSI__
+ # Use -std=c++98 because -std=gnu++98 leaves __STRICT_ANSI__
# undefined and fake C99 facilities may be spuriously enabled.
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -std=c++98"
@@ -20106,9 +20106,9 @@ typedef double_t my_double_t;
lround(0.0);
lroundf(0.0f);
lroundl(0.0l);
- nan(0);
- nanf(0);
- nanl(0);
+ nan("");
+ nanf("");
+ nanl("");
nearbyint(0.0);
nearbyintf(0.0f);
nearbyintl(0.0l);