Exclude system headers from .d files
authorDavid Gibson <david@gibson.dropbear.id.au>
Tue, 16 Feb 2016 12:32:34 +0000 (23:32 +1100)
committerDavid Gibson <david@gibson.dropbear.id.au>
Fri, 29 Apr 2016 23:18:28 +0000 (09:18 +1000)
commit34f380e5e3e050303d86d0a246a720b186022b70
tree1671172b7398062aa545a5b3d429ed3bbec654c5
parentf1f32a2ff565d98dd41326342eb05efc12fdb886
Exclude system headers from .d files

We currently generated .d dependency files with the -MD option to cc.  That
includes system header files in the dependencies, which isn't often useful
and makes the .d more complicated than necessary.

This changes to -MMD which excludes system headers.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Makefile-ccan