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-rw-r--r--manual/install.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/manual/install.texi b/manual/install.texi
index 1eafb6ec32..35467b1b16 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -174,6 +174,13 @@ setuid and owned by @code{root}.  The use of @file{pt_chown} introduces
 additional security risks to the system and you should enable it only if
 you understand and accept those risks.
 
+@item --disable-werror
+By default, @theglibc{} is built with @option{-Werror}.  If you wish
+to build without this option (for example, if building with a newer
+version of GCC than this version of @theglibc{} was tested with, so
+new warnings cause the build with @option{-Werror} to fail), you can
+configure with @option{--disable-werror}.
+
 @item --build=@var{build-system}
 @itemx --host=@var{host-system}
 These options are for cross-compiling.  If you specify both options and