Try to fix cross-compile packaging

CMakeLists.txt

@@ -231,7 +231,11 @@ endif()
 # packaging
 
 set(CPACK_PACKAGE_CONTACT andrew@weaselab.dev)
-set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
+
+# rpm
+set(CPACK_RPM_PACKAGE_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR})
+set(CPACK_RPM_SPEC_INSTALL_POST "/bin/true") # avoid stripping
+
 include(CPack)
 
 include(GNUInstallDirs)