r249560 - in /trunk/gcc: ChangeLog doc/cppdirop...

[ro@gcc.gnu.org]

Author: ro
Date: Thu Jun 22 14:37:17 2017
New Revision: 249560

URL: https://gcc.gnu.org/viewcvs?rev=249560&root=gcc&view=rev
Log:
Support $SYSROOT for = in -I etc.

	* incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
	* doc/cppdiropts.texi (-I @var{dir}): Document it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/cppdiropts.texi
    trunk/gcc/incpath.c