common/build-style: fix do_check for cmake.

make was accidentally left hardcoded to query if a test target was
available, which meant tests wouldn't be run for most of the
applications, since they were now using ninja.

common/build-style/cmake.sh

@@ -79,9 +79,13 @@ do_build() {
 }
 
 do_check() {
+	: ${make_cmd:=ninja}
+
 	cd ${cmake_builddir:=build}
 
-	if [ -z "$make_cmd" ] && [ -z "$make_check_target" ]; then
+	if [ -z "$make_check_target" ]; then
+		case $make_cmd in
+			make)
 				if make -q test 2>/dev/null; then
 					:
 				else
@@ -90,9 +94,19 @@ do_check() {
 						return 0
 					fi
 				fi
+				;;
+			ninja)
+				if ! ninja -t query test >/dev/null 2>&1; then
+					msg_warn 'No target to "ninja test".\n'
+					return 0
+				fi
+				;;
+			*)
+				msg_warn "Can't run tests with '$make_cmd', define do_check.\n"
+				;;
+		esac
 	fi
 
-	: ${make_cmd:=ninja}
 	: ${make_check_target:=test}
 
 	CTEST_OUTPUT_ON_FAILURE=TRUE ${make_cmd} ${make_check_args} ${make_check_target}