| # |
| # Copyright (c) 2024, Google, Inc. All rights reserved |
| # |
| # Permission is hereby granted, free of charge, to any person obtaining |
| # a copy of this software and associated documentation files |
| # (the "Software"), to deal in the Software without restriction, |
| # including without limitation the rights to use, copy, modify, merge, |
| # publish, distribute, sublicense, and/or sell copies of the Software, |
| # and to permit persons to whom the Software is furnished to do so, |
| # subject to the following conditions: |
| # |
| # The above copyright notice and this permission notice shall be |
| # included in all copies or substantial portions of the Software. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| # |
| |
| # Query variables set by another module's rules.mk file |
| # |
| # args: |
| # QUERY_MODULE : the path to the module directory to query |
| # QUERY_VARIABLES : a space-separated list of variables to query |
| # |
| # sets: |
| # QUERY_foo for each variable "foo" named in QUERY_VARIABLES |
| |
| # these come from module.mk, rust.mk, and library.mk (in sections): |
| define QUERY_STOMPED_VARIABLES |
| MODULE |
| MODULE_SRCDIR |
| MODULE_BUILDDIR |
| MODULE_DEPS |
| MODULE_SRCS |
| MODULE_OBJS |
| MODULE_DEFINES |
| MODULE_OPTFLAGS |
| MODULE_COMPILEFLAGS |
| MODULE_CFLAGS |
| MODULE_CPPFLAGS |
| MODULE_ASMFLAGS |
| MODULE_RUSTFLAGS |
| MODULE_RUSTDOCFLAGS |
| MODULE_SRCDEPS |
| MODULE_INCLUDES |
| MODULE_EXTRA_ARCHIVES |
| MODULE_EXTRA_OBJS |
| MODULE_CONFIG |
| MODULE_OBJECT |
| MODULE_ARM_OVERRIDE_SRCS |
| MODULE_SRCS_FIRST |
| MODULE_INIT_OBJS |
| MODULE_DISABLE_LTO |
| MODULE_LTO_ENABLED |
| MODULE_DISABLE_CFI |
| MODULE_DISABLE_STACK_PROTECTOR |
| MODULE_DISABLE_SCS |
| MODULE_RSSRC |
| MODULE_IS_RUST |
| MODULE_RSOBJS |
| MODULE_RUST_EDITION |
| MODULE_RUSTDOC_OBJECT |
| MODULE_RUSTDOCFLAGS |
| MODULE_KERNEL_RUST_DEPS |
| MODULE_SKIP_DOCS |
| MODULE_ADD_IMPLICIT_DEPS |
| |
| MODULE_RUST_CRATE_TYPES |
| |
| MODULE |
| MODULE_CRATE_NAME |
| MODULE_RUST_STEM |
| MODULE_SRCDEPS |
| MODULE_LIBRARY_DEPS |
| MODULE_LIBRARY_EXPORTED_DEPS |
| MODULE_USE_WHOLE_ARCHIVE |
| MODULE_LIBRARIES |
| MODULE_LICENSES |
| MODULE_RLIBS |
| MODULE_RSOBJS |
| MODULE_RUSTDOC_OBJECT |
| MODULE_RUSTDOCFLAGS |
| MODULE_SKIP_DOCS |
| MODULE_DISABLED |
| MODULE_SDK_LIB_NAME |
| MODULE_SDK_HEADER_INSTALL_DIR |
| MODULE_SDK_HEADERS |
| endef |
| |
| ifeq ($(QUERY_MODULE),) |
| $(error QUERY_MODULE must be set to a module path before including query.mk) |
| endif |
| |
| # save state |
| $(foreach var,$(QUERY_STOMPED_VARIABLES),$(eval QUERY_SAVED_$(var) := $($(var)))) |
| |
| # clear state |
| $(foreach var,$(QUERY_STOMPED_VARIABLES),$(eval $(var) :=)) |
| |
| # include specified target rules.mk |
| include $(QUERY_MODULE)/rules.mk |
| |
| # "return" queried variables |
| $(foreach var,$(QUERY_VARIABLES),$(eval QUERY_$(var) := $($(var)))) |
| |
| # restore state |
| $(foreach var,$(QUERY_STOMPED_VARIABLES),$(eval $(var) := $(QUERY_SAVED_$(var)))) |
| QUERY_MODULE := |
