[PATCH] spec/bsp/makecustom: Make BSP include path a system include path

[chrisj at rtems.org]

From: Chris Johns <chrisj at rtems.org>

- Export the BSP include path as a system include path so the order
  of options on an application compiler command line does not matter.

Closes #4896
---
 spec/build/bsps/makecustom.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec/build/bsps/makecustom.yml b/spec/build/bsps/makecustom.yml
index 139629b597..c00240595e 100644
--- a/spec/build/bsps/makecustom.yml
+++ b/spec/build/bsps/makecustom.yml
@@ -2,7 +2,7 @@ SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 build-type: config-file
 content: |
   include $$(RTEMS_ROOT)/make/custom/default.cfg
-  CPU_DEFINES = -I$$(exec_prefix)/$$(RTEMS_BSP)/lib/include
+  CPU_DEFINES = -isystem $$(exec_prefix)/$$(RTEMS_BSP)/lib/include
   CPU_CFLAGS = ${ABI_FLAGS}
   CFLAGS_OPTIMIZE_V = ${OPTIMIZATION_FLAGS}
   LDFLAGS = -B$$(exec_prefix)/$$(RTEMS_BSP)/lib ${PKGCONFIG_LDFLAGS}
-- 
2.37.1