[coreboot-gerrit] Change in coreboot[master]: [WIP]abuild: Build with clang only when supported

[Arthur Heymans (Code Review)]

Attention is currently required from: Arthur Heymans.
Hello Arthur Heymans,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/63084

to review the following change.

Change subject: [WIP]abuild: Build with clang only when supported
......................................................................

[WIP]abuild: Build with clang only when supported

Change-Id: I362fcd0f795d27f13dde793a79774f08c497bd38
Signed-off-by: Arthur Heymans 
---
M util/abuild/abuild
1 file changed, 11 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/84/63084/1

diff --git a/util/abuild/abuild b/util/abuild/abuild
index cc149a8..2585b57 100755
--- a/util/abuild/abuild
+++ b/util/abuild/abuild
@@ -456,6 +456,14 @@
    	local FORCE_ENABLED_CROS=0
    fi

+	if [ "$clang" = true ]; then
+		check_config "$build_dir" "clang" "CONFIG_COMPILER_LLVM_CLANG=y"
+		if [ $? -ne 0 ]; then
+			echo "${MAINBOARD} doesn't support Clang, skipping."
+			return
+		fi
+	fi
+
    if [ $BUILDENV_CREATED -ne 0 ] || [ $MAINBOARD_OK -ne 0 ] || [ $VENDOR_OK -ne 0 ] || [ $FORCE_ENABLED_CROS -eq 1 ]; then
    	junit " <testcase classname='board${testclass/#/.}' name='$BUILD_NAME' >"

@@ -587,7 +595,7 @@
     [-J|--junit]                  Write JUnit formatted xml log file
     [-K|--kconfig <name>]         Prepend file to generated Kconfig
     [-l|--loglevel <num>]         Set loglevel
-    [-L|--clang]                  Use clang
+    [-L|--clang]                  Use clang on supported arch
     [-o|--outdir <path>]          Store build results in path
                                   (defaults to $TARGET)
     [-p|--payloads <dir>]         Use payloads in <dir> to build images
@@ -671,6 +679,7 @@
 fi

chromeos=false
+clang=false
 clean_work=false
 clean_objs=false
 verboseopt='V=0'
@@ -738,6 +747,7 @@
    		configoptions="${configoptions}CONFIG_ANY_TOOLCHAIN=y\n"
    		;;
    	-L|--clang)	shift
+			clang=true
    		customizing="${customizing}, clang"
    		configoptions="${configoptions}CONFIG_COMPILER_LLVM_CLANG=y\n# CONFIG_COMPILER_GCC is not set\n"
    		;;