The default test script covers only default host cc compiler, either gcc or
clang, the fix is to increase the coverage by adding one more to cover
clang and the others for gcc, also the build dirs are changed to *-host-$c,
indicating the difference of cc used.

Fixes: a55277a788 ("devtools: add test script for meson builds")
Cc: stable@dpdk.org

Signed-off-by: Gavin Hu <redacted>
Reviewed-by: Phil Yang <redacted>
Reviewed-by: Song Zhu <redacted>
---
 devtools/test-meson-builds.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/devtools/test-meson-builds.sh b/devtools/test-meson-builds.sh
index 9bb5b93bd..f0912d109 100755
--- a/devtools/test-meson-builds.sh
+++ b/devtools/test-meson-builds.sh

@@ -44,11 +44,18 @@ done
 # test compilation with minimal x86 instruction set
 build build-x86-default -Dmachine=nehalem
 
+# compile the general v8a also for clang to increase coverage
+export CC="ccache clang"
+build build-arm64-host-clang --cross-file config/arm/arm64_armv8_linuxapp_gcc
+
 # enable cross compilation if gcc cross-compiler is found
 for f in config/arm/arm*gcc ; do
 	c=aarch64-linux-gnu-gcc
 	if ! command -v $c >/dev/null 2>&1 ; then
-		continue
+		echo "## ERROR: $c is missing..."
+		exit 1