diff --git a/libcxx/cmake/config-ix.cmake b/libcxx/cmake/config-ix.cmake
--- a/libcxx/cmake/config-ix.cmake
+++ b/libcxx/cmake/config-ix.cmake
@@ -25,7 +25,7 @@
 endif()
 
 # The libc++ is using -nostdlib++ at the link step when available,
-# otherwise -nostdlib++ is used. We want all our checks to also
+# otherwise -nodefaultlibs is used. We want all our checks to also
 # use one of these options, otherwise we may end up with an inconsistency between
 # the flags we think we require during configuration (if the checks are
 # performed without one of those options) and the flags that are actually
diff --git a/libcxxabi/cmake/config-ix.cmake b/libcxxabi/cmake/config-ix.cmake
--- a/libcxxabi/cmake/config-ix.cmake
+++ b/libcxxabi/cmake/config-ix.cmake
@@ -15,7 +15,7 @@
 endif ()
 
 # The libc++abi is using -nostdlib++ at the link step when available,
-# otherwise -nostdlib++ is used. We want all our checks to also
+# otherwise -nodefaultlibs is used. We want all our checks to also
 # use one of these options, otherwise we may end up with an inconsistency between
 # the flags we think we require during configuration (if the checks are
 # performed without -nodefaultlibs) and the flags that are actually
diff --git a/libunwind/cmake/config-ix.cmake b/libunwind/cmake/config-ix.cmake
--- a/libunwind/cmake/config-ix.cmake
+++ b/libunwind/cmake/config-ix.cmake
@@ -17,7 +17,7 @@
 endif()
 
 # The libunwind is using -nostdlib++ at the link step when available,
-# otherwise -nostdlib++ is used. We want all our checks to also
+# otherwise -nodefaultlibs is used. We want all our checks to also
 # use one of these options, otherwise we may end up with an inconsistency between
 # the flags we think we require during configuration (if the checks are
 # performed without one of those options) and the flags that are actually