r275350 - in /branches/gcc-7-branch/gcc: Change...

[iains@gcc.gnu.org]

Author: iains
Date: Tue Sep  3 19:18:30 2019
New Revision: 275350

URL: https://gcc.gnu.org/viewcvs?rev=275350&root=gcc&view=rev
Log:
[Darwin, Objective-C] Don't prepend a sysroot for the gnu-objc headers.

Darwin is able to use two runtimes for objective-c; the
default is its native NeXT runtime, but also it can build
code using the gnu-runtime. In order to do this, we have to
be able to find the gnu-runtime headers (which are installed
into the compiler's tree).

The process to do this was erroneously prepending the sysroot
to this when a sysroot is in force. The gnu-runtime headers have
never been installed in a Darwin (MacOS) SDK so we must make
sure that they are found local to the compiler.

2019-09-03  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin-c.c (darwin_register_objc_includes): Do not
	prepend the sysroot when building gnu-runtime header search
	paths.


Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/darwin-c.c