diff --git a/common/build-style/waf.sh b/common/build-style/waf.sh
index 6b30d5b3447..505ecd37f8c 100644
--- a/common/build-style/waf.sh
+++ b/common/build-style/waf.sh
@@ -2,13 +2,19 @@
 # This helper is for templates using WAF to build/install.
 #
 do_configure() {
-	python waf configure --prefix=/usr ${configure_args}
+	: ${configure_script:=waf}
+
+	python ${configure_script} configure --prefix=/usr ${configure_args}
 }
 
 do_build() {
-	python waf build ${make_build_args}
+	: ${configure_script:=waf}
+
+	python ${configure_script} build ${make_build_args}
 }
 
 do_install() {
-	python waf install --destdir=${DESTDIR} ${make_install_args}
+	: ${configure_script:=waf}
+
+	python ${configure_script} install --destdir=${DESTDIR} ${make_install_args}
 }
diff --git a/common/build-style/waf3.sh b/common/build-style/waf3.sh
index 8701189bf24..30b7dc63071 100644
--- a/common/build-style/waf3.sh
+++ b/common/build-style/waf3.sh
@@ -2,13 +2,19 @@
 # This helper is for templates using WAF with python3 to build/install.
 #
 do_configure() {
-	PYTHON=python3 python3 waf configure --prefix=/usr ${configure_args}
+	: ${configure_script:=waf}
+
+	PYTHON=python3 python3 ${configure_script} configure --prefix=/usr ${configure_args}
 }
 
 do_build() {
-	PYTHON=python3 python3 waf build ${make_build_args}
+	: ${configure_script:=waf}
+
+	PYTHON=python3 python3 ${configure_script} build ${make_build_args}
 }
 
 do_install() {
-	PYTHON=python3 python3 waf install --destdir=${DESTDIR} ${make_install_args}
+	: ${configure_script:=waf}
+
+	PYTHON=python3 python3 ${configure_script} install --destdir=${DESTDIR} ${make_install_args}
 }