X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-headers%2Fstdint.texi;h=be19269fe1bfb0734b34752fd2f46f9967230704;hb=7c05b5f06162c3c1667ae139bb81a8621971a325;hp=3730166ca3969307b8f2e2a56f27013ca8e4f5d1;hpb=4e39aa42880fd6a5c6d55f67c912381c0d0980aa;p=gnulib.git

diff --git a/doc/posix-headers/stdint.texi b/doc/posix-headers/stdint.texi
index 3730166ca..be19269fe 100644
--- a/doc/posix-headers/stdint.texi
+++ b/doc/posix-headers/stdint.texi
@@ -27,6 +27,12 @@ HP-UX 11.23.
 The macros @code{WCHAR_MIN} and @code{WCHAR_MAX} are not defined in
 @code{<stdint.h>} (only in @code{<wchar.h>}) on some platforms:
 Dragonfly, BSDI.
+@item
+On some hosts that predate C++11, when using C++ one must define
+@code{__STDC_CONSTANT_MACROS} to make visible the definitions of
+constant macros such as @code{INTMAX_C}, and one must define
+@code{__STDC_LIMIT_MACROS} to make visible the definitions of limit
+macros such as @code{INTMAX_MAX}.
 @end itemize
 
 Portability problems not fixed by Gnulib: