config/esp32/components/chip/component.mk

   1 #
   2 #    Copyright (c) 2020 Project CHIP Authors
   3 #    Copyright (c) 2018 Nest Labs, Inc.
   4 #    All rights reserved.
   5 #
   6 #    Licensed under the Apache License, Version 2.0 (the "License");
   7 #    you may not use this file except in compliance with the License.
   8 #    You may obtain a copy of the License at
   9 #
  10 #        http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 #    Unless required by applicable law or agreed to in writing, software
  13 #    distributed under the License is distributed on an "AS IS" BASIS,
  14 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 #    See the License for the specific language governing permissions and
  16 #    limitations under the License.
  17 #
  18 #    Description:
  19 #      Component makefile for building CHIP within the ESP32 ESP-IDF environment.
  20 #
  21
  22 # ==================================================
  23 # General settings
  24 # ==================================================
  25
  26 SHELL = /bin/bash
  27
  28 # CHIP source root directory
  29 CHIP_ROOT              ?= $(realpath $(COMPONENT_PATH)/../../../..)
  30
  31 # Directory into which the CHIP build system will place its output.
  32 OUTPUT_DIR                                      := $(BUILD_DIR_BASE)/chip
  33 REL_OUTPUT_DIR              := $(shell perl -e 'use File::Spec; use Cwd; print File::Spec->abs2rel(Cwd::realpath($$ARGV[0]), Cwd::realpath($$ARGV[1])) . "\n"' $(OUTPUT_DIR) $(COMPONENT_PATH))
  34
  35 REL_CHIP_ROOT               := $(shell perl -e 'use File::Spec; use Cwd; print File::Spec->abs2rel(Cwd::realpath($$ARGV[0]), Cwd::realpath($$ARGV[1])) . "\n"' $(CHIP_ROOT) $(COMPONENT_PATH))
  36
  37 COMPONENT_LIBRARIES         :=
  38
  39
  40 # ==================================================
  41 # Compilation flags specific to building CHIP
  42 # ==================================================
  43
  44 # Include directories to be searched when building CHIP.  Make sure
  45 # that anything starting with $(IDF_PATH) ends up being included with
  46 # -isystem, not -I, so warnings in those headers don't cause the build
  47 # to fail.
  48 INCLUDES                    := $(OUTPUT_DIR)/src/include \
  49                                $(OUTPUT_DIR)/src/include/platform/ESP32 \
  50                                $(filter-out $(IDF_PATH)/%, $(COMPONENT_INCLUDES))
  51
  52 SYSTEM_INCLUDES             := $(IDF_PATH)/components/lwip/lwip/src/include \
  53                                $(IDF_PATH)/components/freertos/include/freertos/ \
  54                                $(IDF_PATH)/components/mbedtls/mbedtls/include \
  55                                $(filter $(IDF_PATH)/%, $(COMPONENT_INCLUDES))
  56
  57
  58 # Compiler flags for building CHIP
  59 ALL_INCLUDES                := $(addprefix -I,$(INCLUDES)) $(addprefix -isystem,$(SYSTEM_INCLUDES))
  60 CFLAGS                      += $(ALL_INCLUDES)
  61 CPPFLAGS                    += $(ALL_INCLUDES)
  62 CXXFLAGS                    += $(ALL_INCLUDES)
  63
  64
  65 # ==================================================
  66 # Configuration for the CHIP ESF-IDF Component
  67 # ==================================================
  68
  69 # Header directories to be included when building other components that use CHIP.
  70 # Note that these must be relative to the component source directory.
  71 # TODO Boot the CHIP_ROOT includedirs
  72 COMPONENT_ADD_INCLUDEDIRS        = project-config \
  73                                $(REL_OUTPUT_DIR)/include \
  74                                $(REL_CHIP_ROOT)/src/include/platform/ESP32 \
  75                                $(REL_CHIP_ROOT)/src/include/ \
  76                                $(REL_CHIP_ROOT)/src/lib \
  77                                $(REL_CHIP_ROOT)/src/ \
  78                                $(REL_CHIP_ROOT)/src/system \
  79                                $(IDF_PATH)/components/mbedtls/mbedtls/include \
  80                                $(REL_CHIP_ROOT)/src/app
  81
  82 # Linker flags to be included when building other components that use CHIP.
  83 COMPONENT_ADD_LDFLAGS        = -L$(OUTPUT_DIR)/lib/ \
  84                                -lCHIP
  85
  86 ifdef CONFIG_ENABLE_PW_RPC
  87 COMPONENT_ADD_LDFLAGS        += -lPwRpc
  88 endif
  89
  90 COMPONENT_ADD_INCLUDEDIRS +=   $(REL_OUTPUT_DIR)/src/include \
  91                                $(REL_CHIP_ROOT)/third_party/nlassert/repo/include \
  92                                $(REL_OUTPUT_DIR)/gen/third_party/connectedhomeip/src/app/include \
  93                                $(REL_OUTPUT_DIR)/gen/include
  94
  95 # Tell the ESP-IDF build system that the CHIP component defines its own build
  96 # and clean targets.
  97 COMPONENT_OWNBUILDTARGET         = 1
  98 COMPONENT_OWNCLEANTARGET         = 1
  99
 100
 101 # ==================================================
 102 # Build Rules
 103 # ==================================================
 104
 105 $(OUTPUT_DIR) :
 106         echo "MKDIR $@"
 107         @mkdir -p "$@"
 108
 109
 110 fix_cflags = $(filter-out -DHAVE_CONFIG_H,\
 111                 $(filter-out -D,\
 112                   $(filter-out IDF_VER%,\
 113                       $(1) -D$(filter IDF_VER%,$(1))\
 114                )))
 115 CHIP_CFLAGS = $(call fix_cflags,$(CFLAGS) $(CPPFLAGS))
 116 CHIP_CXXFLAGS = $(call fix_cflags,$(CXXFLAGS) $(CPPFLAGS))
 117
 118 install-chip : $(OUTPUT_DIR)
 119         echo "INSTALL CHIP..."
 120         echo                                   > $(OUTPUT_DIR)/args.gn
 121         echo "import(\"//args.gni\")"          >> $(OUTPUT_DIR)/args.gn
 122         echo target_cflags_c  = [$(foreach word,$(CHIP_CFLAGS),\"$(word)\",)] | sed -e 's/=\"/=\\"/g;s/\"\"/\\"\"/g;'  >> $(OUTPUT_DIR)/args.gn
 123         echo target_cflags_cc = [$(foreach word,$(CHIP_CXXFLAGS),\"$(word)\",)] | sed -e 's/=\"/=\\"/g;s/\"\"/\\"\"/g;'   >> $(OUTPUT_DIR)/args.gn
 124         echo esp32_ar = \"$(AR)\"                >> $(OUTPUT_DIR)/args.gn
 125         echo esp32_cc = \"$(CC)\"                >> $(OUTPUT_DIR)/args.gn
 126         echo esp32_cxx = \"$(CXX)\"              >> $(OUTPUT_DIR)/args.gn
 127         echo esp32_cpu = \"esp32\"               >> $(OUTPUT_DIR)/args.gn
 128 ifeq ($(is_debug),false)
 129         @echo "is_debug = false" >> $(OUTPUT_DIR)/args.gn
 130 endif
 131         if [[ "$(CONFIG_ENABLE_PW_RPC)" = "y" ]]; then                        \
 132           echo "chip_build_pw_rpc_lib = true" >> $(OUTPUT_DIR)/args.gn       ;\
 133           echo "pw_log_BACKEND = \"//third_party/connectedhomeip/third_party/pigweed/repo/pw_log_basic\"" >> $(OUTPUT_DIR)/args.gn     ;\
 134           echo "pw_assert_BACKEND = \"//third_party/connectedhomeip/third_party/pigweed/repo/pw_assert_log\"" >> $(OUTPUT_DIR)/args.gn ;\
 135           echo "pw_sys_io_BACKEND = \"//third_party/connectedhomeip/examples/platform/esp32/pw_sys_io:pw_sys_io_esp32\"" >> $(OUTPUT_DIR)/args.gn      ;\
 136           echo "dir_pw_third_party_nanopb = \"//third_party/connectedhomeip/third_party/nanopb/repo\"" >>$(OUTPUT_DIR)/args.gn         ;\
 137         fi
 138         echo "Written file $(OUTPUT_DIR)/args.gn"
 139         cd $(CHIP_ROOT) && PW_ENVSETUP_QUIET=1 . scripts/activate.sh && cd $(COMPONENT_PATH) && gn gen --check --fail-on-unused-args $(OUTPUT_DIR)
 140         cd $(COMPONENT_PATH); ninja $(subst 1,-v,$(filter 1,$(V))) -C $(OUTPUT_DIR) esp32
 141
 142
 143 build : install-chip
 144         echo "CHIP built and installed..."
 145         cp -a ${OUTPUT_DIR}/lib/libCHIP.a ${OUTPUT_DIR}/libchip.a
 146
 147 clean:
 148         echo "RM $(OUTPUT_DIR)"
 149         rm -rf $(OUTPUT_DIR)