From ce39a627f8c3f95b83fdda3669d72ad1d2218dbd Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Thu, 13 Apr 2017 18:24:09 +0000
Subject: [PATCH] travis: use mainline kernel uapi headers for coverage

* .travis.yml (matrix) <CHECK=coverage>: Add KHEADERS=torvalds/linux.
* travis-build.sh: Handle $KHEADERS.
* travis-install.sh: Likewise.
---
 .travis.yml       |  1 +
 travis-build.sh   |  7 +++++++
 travis-install.sh | 19 +++++++++++++++----
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 94bf0916..f20f87ba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -52,3 +52,4 @@ matrix:
       env:
         - TARGET=x86_64
         - CHECK=coverage
+        - KHEADERS=torvalds/linux
diff --git a/travis-build.sh b/travis-build.sh
index 0f096e6c..ef609504 100755
--- a/travis-build.sh
+++ b/travis-build.sh
@@ -21,6 +21,13 @@ case "${TARGET-}" in
 		;;
 esac
 
+case "$KHEADERS" in
+	*/*)
+		CPPFLAGS='-isystem /opt/kernel/include'
+		export CPPFLAGS
+		;;
+esac
+
 case "${CHECK-}" in
 	coverage)
 		DISTCHECK_CONFIGURE_FLAGS="$DISTCHECK_CONFIGURE_FLAGS --enable-code-coverage"
diff --git a/travis-install.sh b/travis-install.sh
index ff21f16b..6334f7c6 100755
--- a/travis-install.sh
+++ b/travis-install.sh
@@ -11,6 +11,18 @@ apt_get_install()
 		install -y "$@"
 }
 
+case "$KHEADERS" in
+	*/*)
+		git clone --depth=1 https://github.com/"$KHEADERS" kernel
+		sudo make -C kernel headers_install INSTALL_HDR_PATH=/opt/kernel
+		sudo rm -rf kernel
+		KHEADERS_INC=/opt/kernel/include
+		;;
+	*)
+		KHEADERS_INC=/usr/include
+		;;
+esac
+
 case "$CC" in
 	gcc)
 		apt_get_install gcc-multilib
@@ -43,10 +55,9 @@ case "$CC" in
 		cd -
 		rm -rf musl
 		sudo ln -s \
-			/usr/include/linux \
-			/usr/include/asm \
-			/usr/include/asm-generic \
-			/usr/include/mtd \
+			$KHEADERS_INC/asm* \
+			$KHEADERS_INC/linux \
+			$KHEADERS_INC/mtd \
 			/opt/musl/include/
 		;;
 esac
-- 
2.40.0