Update build system

diff --git a/sdk/argeo-build b/sdk/argeo-build
index a035c5f7a8550c6392a1a2b0686c8d5cc9a97836..8c64cf692b20399841a51979ae6d2d4ecb62ebaf 160000 (submodule)
--- a/sdk/argeo-build
+++ b/sdk/argeo-build
@@ -1 +1 @@
-Subproject commit a035c5f7a8550c6392a1a2b0686c8d5cc9a97836
+Subproject commit 8c64cf692b20399841a51979ae6d2d4ecb62ebaf