python_setuptools_build_meta: clean the build directory in configure

It's not currently possible to set the build tree to be somewhere we
control, but we know it will always be in the build directory alongside
the pyproject.toml so we can [cleandirs] that.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes-recipe/python_setuptools_build_meta.bbclass b/meta/classes-recipe/python_setuptools_build_meta.bbclass
index 4c84d1e8d0bb140da04fd2033415d9a4c74c7d67..046b4ffb74f03490ec02e3bf0da857fa115ccdbb 100644 (file)
--- a/meta/classes-recipe/python_setuptools_build_meta.bbclass
+++ b/meta/classes-recipe/python_setuptools_build_meta.bbclass
@@ -7,3 +7,7 @@
 inherit setuptools3-base python_pep517
 
 DEPENDS += "python3-setuptools-native python3-wheel-native"
+
+# This isn't nice, but is the best solutions to ensure clean builds for now.
+# https://github.com/pypa/setuptools/issues/4732
+do_configure[cleandirs] = "${PEP517_SOURCE_PATH}/build"