$NetBSD$

--- gcc/doc/invoke.texi.orig	Wed Mar 23 22:03:29 2011
+++ gcc/doc/invoke.texi
@@ -404,6 +404,7 @@ Objective-C and Objective-C++ Dialects}.
 -include @var{file}  -imacros @var{file} @gol
 -iprefix @var{file}  -iwithprefix @var{dir} @gol
 -iwithprefixbefore @var{dir}  -isystem @var{dir} @gol
+-cxx-isystem @var{dir} @gol
 -imultilib @var{dir} -isysroot @var{dir} @gol
 -M  -MM  -MF  -MG  -MP  -MQ  -MT  -nostdinc  @gol
 -P  -fworking-directory  -remap @gol
@@ -425,7 +426,8 @@ Objective-C and Objective-C++ Dialects}.
 
 @item Directory Options
 @xref{Directory Options,,Options for Directory Search}.
-@gccoptlist{-B@var{prefix}  -I@var{dir}  -iquote@var{dir}  -L@var{dir}
+@gccoptlist{-B@var{prefix}  -I@var{dir}  -iquote@var{dir}
+-iremap@var{src}:@var{dst}  -L@var{dir}
 -specs=@var{file}  -I- --sysroot=@var{dir}}
 
 @item Target Options
@@ -3246,11 +3248,11 @@ Furthermore, the prior value shall be read only to det
 to be stored.''.  If a program breaks these rules, the results on any
 particular implementation are entirely unpredictable.
 
-Examples of code with undefined behavior are @code{a = a++;}, @code{a[n]
-= b[n++]} and @code{a[i++] = i;}.  Some more complicated cases are not
-diagnosed by this option, and it may give an occasional false positive
-result, but in general it has been found fairly effective at detecting
-this sort of problem in programs.
+Examples of code with undefined behavior are @code{a = a++;},
+@code{a[n] = b[n++]} and @code{a[i++] = i;}.  Some more complicated cases
+are not diagnosed by this option, and it may give an occasional false
+positive result, but in general it has been found fairly effective at
+detecting this sort of problem in programs.
 
 The standard is worded confusingly, therefore there is some debate
 over the precise meaning of the sequence point rules in subtle cases.
@@ -8872,6 +8874,12 @@ Add the directory @var{dir} to the head of the list of
 be searched for header files only for the case of @samp{#include
 "@var{file}"}; they are not searched for @samp{#include <@var{file}>},
 otherwise just like @option{-I}.
+
+@item -iremap @var{src}:@var{dst}
+@opindex iremap
+Replace the prefix @var{src} in __FILE__ with @var{dst} at expansion time.
+This option can be specified more than once.  Processing stops at the first
+match.
 
 @item -L@var{dir}
 @opindex L