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[02/10] selftests: Add and export a kernel uapi headers path

Message ID 20220118112909.1885705-3-usama.anjum@collabora.com (mailing list archive)
State Accepted
Commit 250f8c1137578e6210becaed63ec6e9a8eea430e
Headers show
Series selftests: Fix separate output directory builds | expand

Commit Message

Muhammad Usama Anjum Jan. 18, 2022, 11:29 a.m. UTC 
Kernel uapi headers can be present at different paths depending upon
how the build was invoked. It becomes impossible for the tests to
include the correct headers directory. Set and export KHDR_INCLUDES
variable to make it possible for sub make files to include the header
files.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
---
 tools/testing/selftests/Makefile | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index a7b63860b7bc..21f983dfd047 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -129,8 +129,11 @@  ifneq ($(KBUILD_OUTPUT),)
   # $(realpath ...) resolves symlinks
   abs_objtree := $(realpath $(abs_objtree))
   BUILD := $(abs_objtree)/kselftest
+  KHDR_INCLUDES := -I${abs_objtree}/usr/include
 else
   BUILD := $(CURDIR)
+  abs_srctree := $(shell cd $(top_srcdir) && pwd)
+  KHDR_INCLUDES := -I${abs_srctree}/usr/include
   DEFAULT_INSTALL_HDR_PATH := 1
 endif
 
@@ -139,6 +142,7 @@  include $(top_srcdir)/scripts/subarch.include
 ARCH           ?= $(SUBARCH)
 export KSFT_KHDR_INSTALL_DONE := 1
 export BUILD
+export KHDR_INCLUDES
 
 # set default goal to all, so make without a target runs all, even when
 # all isn't the first target in the file.