* configure.ac: Add --enable-indirect-function option.

[pf3gnuchains/gcc-fork.git] / gcc / doc / install.texi

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 58dc226..5cb047e 100644 (file)
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1229,6 +1229,10 @@ destructors, but requires __cxa_atexit in libc.  This option is currently
 only available on systems with GNU libc.  When enabled, this will cause
 @option{-fuse-cxa-atexit} to be passed by default.
 
+@item --enable-indirect-function
+Define if you want to enable the @code{ifunc} attribute.  This option is
+currently only available on systems with GNU libc on certain targets.
+
 @item --enable-target-optspace
 Specify that target
 libraries should be optimized for code space instead of code speed.