file(TIMESTAMP "${STAMP_DIR}/proj1-configure" PROJ1_CONFIGURE_TIMESTAMP_AFTER "%s")
# When BUILD_ALWAYS is set, the build stamp is never created.
file(TIMESTAMP "${STAMP_DIR}/proj2-configure" PROJ2_CONFIGURE_TIMESTAMP_AFTER "%s")
file(TIMESTAMP "${STAMP_DIR}/proj2-build" PROJ2_BUILD_TIMESTAMP_AFTER "%s")

if(NOT PROJ1_CONFIGURE_TIMESTAMP_BEFORE EQUAL PROJ1_CONFIGURE_TIMESTAMP_AFTER)
  set(RunCMake_TEST_FAILED "Unexpected rebuild of proj1 configure step (${PROJ1_CONFIGURE_TIMESTAMP_BEFORE} != ${PROJ1_CONFIGURE_TIMESTAMP_AFTER})")
  return()
endif()

if(NOT PROJ2_CONFIGURE_TIMESTAMP_BEFORE EQUAL PROJ2_CONFIGURE_TIMESTAMP_AFTER)
  set(RunCMake_TEST_FAILED "Unexpected rebuild of proj2 configure step (${PROJ2_CONFIGURE_TIMESTAMP_BEFORE} != ${PROJ2_CONFIGURE_TIMESTAMP_AFTER})")
  return()
endif()

if(PROJ2_BUILD_TIMESTAMP_BEFORE EQUAL PROJ2_BUILD_TIMESTAMP_AFTER)
  set(RunCMake_TEST_FAILED "proj2 build step did not rebuild (${PROJ2_BUILD_TIMESTAMP_BEFORE} != ${PROJ2_BUILD_TIMESTAMP_AFTER})")
  return()
endif()