Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 14 insertions, 0 deletions

diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 14ef3868a328..0706699c9da9 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -407,6 +407,20 @@ more details, with real examples.
         The second argument is optional, and if supplied will be used
         if first argument is not supported.
 
+    ld-option
+        ld-option is used to check if $(CC) when used to link object files
+        supports the given option.  An optional second option may be
+        specified if first option are not supported.
+
+        Example:
+                #arch/i386/kernel/Makefile
+                vsyscall-flags += $(call ld-option, -Wl$(comma)--hash-style=sysv)
+
+        In the above example vsyscall-flags will be assigned the option
+        -Wl$(comma)--hash-style=sysv if it is supported by $(CC).
+        The second argument is optional, and if supplied will be used
+        if first argument is not supported.
+
     cc-option
         cc-option is used to check if $(CC) support a given option, and not
         supported to use an optional second option.