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-rw-r--r--android/Android.mk86
-rw-r--r--android/meson_cross.mk298
2 files changed, 384 insertions, 0 deletions
diff --git a/android/Android.mk b/android/Android.mk
new file mode 100644
index 00000000..ff0d1472
--- /dev/null
+++ b/android/Android.mk
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (C) 2021, GlobalLogic Ukraine
+# Copyright (C) 2021, Roman Stratiienko (r.stratiienko@gmail.com)
+#
+# Android.mk - Android makefile
+#
+
+ifneq ($(filter true, $(BOARD_LIBCAMERA_USES_MESON_BUILD)),)
+
+LOCAL_PATH := $(call my-dir)
+LIBCAMERA_TOP := $(dir $(LOCAL_PATH))
+LIBCAMERA_MESON_VERSION := .0.0.1
+
+include $(CLEAR_VARS)
+
+LOCAL_SHARED_LIBRARIES := libc libexif libjpeg libyuv_chromium libdl libyaml
+MESON_GEN_PKGCONFIGS := libexif libjpeg yaml-0.1 libyuv dl
+
+ifeq ($(TARGET_IS_64_BIT),true)
+LOCAL_MULTILIB := 64
+else
+LOCAL_MULTILIB := 32
+endif
+include $(LOCAL_PATH)/meson_cross.mk
+
+ifdef TARGET_2ND_ARCH
+LOCAL_MULTILIB := 32
+include $(LOCAL_PATH)/meson_cross.mk
+endif
+
+#-------------------------------------------------------------------------------
+
+define libcamera-lib
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+LOCAL_MODULE := $1
+LOCAL_VENDOR_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := $2
+ifdef TARGET_2ND_ARCH
+LOCAL_SRC_FILES_$(TARGET_ARCH) := $(call relative_top_path,$(LOCAL_PATH))$($3)
+LOCAL_SRC_FILES_$(TARGET_2ND_ARCH) := $(call relative_top_path,$(LOCAL_PATH))$(2ND_$3)
+LOCAL_MULTILIB := both
+else
+LOCAL_SRC_FILES := $(call relative_top_path,$(LOCAL_PATH))$($3)
+endif
+LOCAL_CHECK_ELF_FILES := false
+LOCAL_MODULE_SUFFIX := .so$(${4})
+include $(BUILD_PREBUILT)
+include $(CLEAR_VARS)
+endef
+
+__MY_SHARED_LIBRARIES := $(LOCAL_SHARED_LIBRARIES)
+include $(CLEAR_VARS)
+LOCAL_SHARED_LIBRARIES := $(__MY_SHARED_LIBRARIES)
+
+# Modules 'libcamera', produces '/vendor/lib{64}/libcamera.so'
+$(eval $(call libcamera-lib,libcamera,,LIBCAMERA_BIN,LIBCAMERA_MESON_VERSION))
+# Modules 'libcamera-base', produces '/vendor/lib{64}/libcamera-base.so'
+$(eval $(call libcamera-lib,libcamera-base,,LIBCAMERA_BASE_BIN,LIBCAMERA_MESON_VERSION))
+# Modules 'ipa_rkisp1', produces '/vendor/lib{64}/ipa_rkisp1.so'
+$(eval $(call libcamera-lib,ipa_rkisp1,,LIBCAMERA_IPA_RKISP1_BIN,))
+# Modules 'ipa_rkisp1', produces '/vendor/lib{64}/ipa_rpi.so'
+$(eval $(call libcamera-lib,ipa_rpi,,LIBCAMERA_IPA_RASPBERRYPI_BIN,))
+# Modules 'ipa_rkisp1', produces '/vendor/lib{64}/ipa_ipu3.so'
+$(eval $(call libcamera-lib,ipa_ipu3,,LIBCAMERA_IPA_IPU3_BIN,))
+# Modules 'ipa_rkisp1', produces '/vendor/lib{64}/ipa_vimc.so'
+$(eval $(call libcamera-lib,ipa_vimc,,LIBCAMERA_IPA_VIMC_BIN,))
+
+# Modules 'camera.libcamera', produces '/vendor/lib{64}/hw/camera.libcamera.so' HAL
+$(eval $(call libcamera-lib,camera.libcamera,hw,LIBCAMERA_HAL_BIN,))
+
+LOCAL_SHARED_LIBRARIES += libcamera libcamera-base ipa_rkisp1 ipa_rpi ipa_ipu3 ipa_vimc
+LOCAL_REQUIRED_MODULES := libcamera libcamera-base ipa_rkisp1 ipa_rpi ipa_ipu3 ipa_vimc
+
+$(shell mkdir -p $(TARGET_OUT_VENDOR_ETC)/rkisp1/)
+$(shell mkdir -p $(TARGET_OUT_VENDOR_ETC)/rpi/)
+$(shell mkdir -p $(TARGET_OUT_VENDOR_ETC)/ipu3/)
+$(shell mkdir -p $(TARGET_OUT_VENDOR_ETC)/vimc/)
+$(shell cp $(LIBCAMERA_IPA_RKISP1_CONFIGS)/* $(TARGET_OUT_VENDOR_ETC)/rkisp1/)
+$(shell cp $(LIBCAMERA_IPA_RASPBERRYPI_CONFIGS)/* $(TARGET_OUT_VENDOR_ETC)/rpi/)
+$(shell cp $(LIBCAMERA_IPA_IPU3_CONFIGS)/* $(TARGET_OUT_VENDOR_ETC)/ipu3/)
+$(shell cp $(LIBCAMERA_IPA_VIMC_CONFIGS)/* $(TARGET_OUT_VENDOR_ETC)/vimc/)
+
+#-------------------------------------------------------------------------------
+
+endif
diff --git a/android/meson_cross.mk b/android/meson_cross.mk
new file mode 100644
index 00000000..7a222f9c
--- /dev/null
+++ b/android/meson_cross.mk
@@ -0,0 +1,298 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (C) 2021, GlobalLogic Ukraine
+# Copyright (C) 2021, Roman Stratiienko (r.stratiienko@gmail.com)
+#
+# meson_cross.mk - Android makefile
+#
+
+# Turn "dir1/dir2/dir3/dir4" into "../../../../"
+define relative_top_path
+$(eval __s:=) \
+$(foreach tmp,$(subst /,$(space),$1),$(eval __s:=$(__s)../)) \
+$(__s)
+endef
+
+MY_PATH := $(call my-dir)
+
+AOSP_ABSOLUTE_PATH := $(realpath .)
+
+libcam_m_dummy_$(LOCAL_MULTILIB) := $(TARGET_OUT_INTERMEDIATES)/LIBCAM_DUMMY_$(LOCAL_MULTILIB)/dummy.c
+
+$(libcam_m_dummy_$(LOCAL_MULTILIB)):
+ mkdir -p $(dir $@)
+ touch $@
+
+LOCAL_SRC_FILES := $(call relative_top_path,$(MY_PATH))$(libcam_m_dummy_$(LOCAL_MULTILIB))
+LOCAL_VENDOR_MODULE := true
+LOCAL_MODULE := libcam.dummy.$(LOCAL_MULTILIB)
+
+# Prepare intermediate variables by AOSP make/core internals
+include $(BUILD_SHARED_LIBRARY)
+
+LOCAL_PATH := $(MY_PATH)
+
+link_deps := \
+ $(built_static_libraries) \
+ $(built_shared_libraries) \
+ $(built_whole_libraries) \
+ $(strip $(all_objects)) \
+ $(my_target_libatomic) \
+ $(my_target_libcrt_builtins) \
+ $(my_target_crtbegin_so_o) \
+ $(my_target_crtend_so_o)
+
+# Build using intermediate variables provided by AOSP make/core internals
+M_TARGET_PREFIX := $(my_2nd_arch_prefix)
+
+LIBCAMERA_LIB_DIR := lib$(subst 32,,$(LOCAL_MULTILIB))
+
+MESON_OUT_DIR := $($(M_TARGET_PREFIX)TARGET_OUT_INTERMEDIATES)/MESON_LIBCAMERA
+MESON_GEN_DIR := $(MESON_OUT_DIR)_GEN
+MESON_GEN_FILES_TARGET := $(MESON_GEN_DIR)/.timestamp
+
+$(M_TARGET_PREFIX)LIBCAMERA_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera.so
+$(M_TARGET_PREFIX)LIBCAMERA_HAL_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera-hal.so
+$(M_TARGET_PREFIX)LIBCAMERA_BASE_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera-base.so
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_RKISP1_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera/ipa_rkisp1.so
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_RASPBERRYPI_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera/ipa_rpi.so
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_IPU3_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera/ipa_ipu3.so
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_VIMC_BIN := $(MESON_OUT_DIR)/install/usr/local/lib/libcamera/ipa_vimc.so
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_RKISP1_CONFIGS := $(MESON_OUT_DIR)/install/usr/local/share/libcamera/ipa/rkisp1
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_RASPBERRYPI_CONFIGS := $(MESON_OUT_DIR)/install/usr/local/share/libcamera/ipa/raspberrypi
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_IPU3_CONFIGS := $(MESON_OUT_DIR)/install/usr/local/share/libcamera/ipa/ipu3
+$(M_TARGET_PREFIX)LIBCAMERA_IPA_VIMC_CONFIGS := $(MESON_OUT_DIR)/install/usr/local/share/libcamera/ipa/vimc
+
+LIBCAMERA_BINS := \
+ $($(M_TARGET_PREFIX)LIBCAMERA_BIN) \
+ $($(M_TARGET_PREFIX)LIBCAMERA_HAL_BIN) \
+ $($(M_TARGET_PREFIX)LIBCAMERA_BASE_BIN) \
+ $($(M_TARGET_PREFIX)LIBCAMERA_IPA_RKISP1_BIN) \
+ $($(M_TARGET_PREFIX)LIBCAMERA_IPA_RASPBERRYPI_BIN) \
+ $($(M_TARGET_PREFIX)LIBCAMERA_IPA_IPU3_BIN) \
+ $($(M_TARGET_PREFIX)LIBCAMERA_IPA_VIMC_BIN)
+
+MESON_GEN_NINJA := \
+ cd $(MESON_OUT_DIR) && PATH=/usr/bin:/usr/local/bin:$$PATH meson ./build \
+ --cross-file $(AOSP_ABSOLUTE_PATH)/$(MESON_GEN_DIR)/aosp_cross \
+ --buildtype=release \
+ -Dandroid=enabled \
+ -Dipas=$(subst $(space),$(comma),$(BOARD_LIBCAMERA_IPAS)) \
+ -Dpipelines=$(subst $(space),$(comma),$(BOARD_LIBCAMERA_PIPELINES)) \
+ -Dsysconfdir=/vendor/etc \
+ -Dtest=false \
+ -Dwerror=false \
+ -Dallow_unsigned_ipas_in_process=true
+
+MESON_BUILD := PATH=/usr/bin:/bin:/sbin:$$PATH ninja -C $(MESON_OUT_DIR)/build
+
+$(MESON_GEN_FILES_TARGET): MESON_CPU_FAMILY := $(subst arm64,aarch64,$(TARGET_$(M_TARGET_PREFIX)ARCH))
+
+define create-pkgconfig
+echo -e "Name: $2" \
+ "\nDescription: $2" \
+ "\nVersion: $3" > $1/$2.pc
+
+endef
+
+# Taken from build/make/core/binary.mk. We need this
+# to use definitions from build/make/core/definitions.mk
+$(MESON_GEN_FILES_TARGET): PRIVATE_GLOBAL_C_INCLUDES := $(my_target_global_c_includes)
+$(MESON_GEN_FILES_TARGET): PRIVATE_GLOBAL_C_SYSTEM_INCLUDES := $(my_target_global_c_system_includes)
+
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_GLOBAL_CFLAGS := $(my_target_global_cflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_GLOBAL_CONLYFLAGS := $(my_target_global_conlyflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_GLOBAL_CPPFLAGS := $(my_target_global_cppflags)
+
+$(MESON_GEN_FILES_TARGET): PRIVATE_2ND_ARCH_VAR_PREFIX := $(M_TARGET_PREFIX)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CC := $(my_cc)
+$(MESON_GEN_FILES_TARGET): PRIVATE_LINKER := $(my_linker)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CXX := $(my_cxx)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CXX_LINK := $(my_cxx_link)
+$(MESON_GEN_FILES_TARGET): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
+$(MESON_GEN_FILES_TARGET): PRIVATE_ASFLAGS := $(my_asflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CONLYFLAGS := $(my_conlyflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CFLAGS := $(my_cflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CPPFLAGS := $(my_cppflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CFLAGS_NO_OVERRIDE := $(my_cflags_no_override)
+$(MESON_GEN_FILES_TARGET): PRIVATE_CPPFLAGS_NO_OVERRIDE := $(my_cppflags_no_override)
+$(MESON_GEN_FILES_TARGET): PRIVATE_RTTI_FLAG := $(LOCAL_RTTI_FLAG)
+$(MESON_GEN_FILES_TARGET): PRIVATE_DEBUG_CFLAGS := $(debug_cflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_C_INCLUDES := $(my_c_includes)
+$(MESON_GEN_FILES_TARGET): PRIVATE_IMPORTED_INCLUDES := $(imported_includes)
+$(MESON_GEN_FILES_TARGET): PRIVATE_LDFLAGS := $(my_ldflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_LDLIBS := $(my_ldlibs)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TIDY_CHECKS := $(my_tidy_checks)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TIDY_FLAGS := $(my_tidy_flags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_ARFLAGS := $(my_arflags)
+$(MESON_GEN_FILES_TARGET): PRIVATE_ALL_SHARED_LIBRARIES := $(built_shared_libraries)
+$(MESON_GEN_FILES_TARGET): PRIVATE_ALL_STATIC_LIBRARIES := $(built_static_libraries)
+$(MESON_GEN_FILES_TARGET): PRIVATE_ALL_WHOLE_STATIC_LIBRARIES := $(built_whole_libraries)
+$(MESON_GEN_FILES_TARGET): PRIVATE_ALL_OBJECTS := $(strip $(all_objects))
+
+$(MESON_GEN_FILES_TARGET): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
+
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_LIBCRT_BUILTINS := $(my_target_libcrt_builtins)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
+$(MESON_GEN_FILES_TARGET): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
+##
+
+define m-lld-flags
+ -nostdlib -Wl,--gc-sections \
+ $(PRIVATE_TARGET_CRTBEGIN_SO_O) \
+ $(PRIVATE_ALL_OBJECTS) \
+ -Wl,--whole-archive \
+ $(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES) \
+ -Wl,--no-whole-archive \
+ $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
+ $(PRIVATE_ALL_STATIC_LIBRARIES) \
+ $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+ $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
+ $(PRIVATE_TARGET_LIBCRT_BUILTINS) \
+ $(PRIVATE_TARGET_LIBATOMIC) \
+ $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+ $(PRIVATE_LDFLAGS) \
+ $(PRIVATE_ALL_SHARED_LIBRARIES) \
+ $(PRIVATE_TARGET_CRTEND_SO_O) \
+ $(PRIVATE_LDLIBS)
+endef
+
+define m-lld-flags-cleaned
+ $(subst prebuilts/,$(AOSP_ABSOLUTE_PATH)/prebuilts/, \
+ $(subst out/,$(AOSP_ABSOLUTE_PATH)/out/, \
+ $(subst -Wl$(comma)--fatal-warnings,, \
+ $(subst -Wl$(comma)--no-undefined-version,, \
+ $(subst -Wl$(comma)--gc-sections,, \
+ $(patsubst %dummy.o,, \
+ $(m-lld-flags)))))))
+endef
+
+define m-cpp-flags
+ $(PRIVATE_TARGET_GLOBAL_CFLAGS) \
+ $(PRIVATE_TARGET_GLOBAL_CPPFLAGS) \
+ $(PRIVATE_ARM_CFLAGS) \
+ $(PRIVATE_RTTI_FLAG) \
+ $(PRIVATE_CFLAGS) \
+ $(PRIVATE_CPPFLAGS) \
+ $(PRIVATE_DEBUG_CFLAGS) \
+ $(PRIVATE_CFLAGS_NO_OVERRIDE) \
+ $(PRIVATE_CPPFLAGS_NO_OVERRIDE)
+endef
+
+define m-c-flags
+ $(PRIVATE_TARGET_GLOBAL_CFLAGS) \
+ $(PRIVATE_TARGET_GLOBAL_CONLYFLAGS) \
+ $(PRIVATE_ARM_CFLAGS) \
+ $(PRIVATE_CFLAGS) \
+ $(PRIVATE_CONLYFLAGS) \
+ $(PRIVATE_DEBUG_CFLAGS) \
+ $(PRIVATE_CFLAGS_NO_OVERRIDE)
+endef
+
+define filter-c-flags
+ $(subst -std=gnu++17,, \
+ $(subst -stdlib=libc++,, \
+ $(subst -fno-rtti,, \
+ $(patsubst -W%,, \
+ $1))))
+endef
+
+define m-c-includes-common
+$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
+$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),,\
+ $(addprefix -I ,\
+ $(filter-out $(PRIVATE_C_INCLUDES), \
+ $(PRIVATE_GLOBAL_C_INCLUDES))) \
+ $(addprefix -isystem ,\
+ $(filter-out $(PRIVATE_C_INCLUDES), \
+ $(PRIVATE_GLOBAL_C_SYSTEM_INCLUDES))))
+endef
+
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 30; echo $$?), 0)
+# Android 11+
+define m-c-includes
+$(foreach i,$(PRIVATE_IMPORTED_INCLUDES),$(EXPORTS.$(i)))\
+$(m-c-includes-common)
+endef
+define postprocess-includes
+endef
+else
+# Android 10,9
+$(MESON_GEN_FILES_TARGET): PRIVATE_IMPORT_INCLUDES := $(import_includes)
+define postprocess-includes
+ echo " $$(cat $(PRIVATE_IMPORT_INCLUDES)) " > $(MESON_GEN_DIR)/import_includes && \
+ sed -i -e ':a;N;$$!ba;s/\n/ /g' \
+ -e 's# \{2,\}# #g' \
+ -e 's# -isystem # -isystem#g' \
+ -e 's# -I # -I#g' \
+ -e 's# -I# -I$(AOSP_ABSOLUTE_PATH)/#g' \
+ -e 's# -isystem# -isystem$(AOSP_ABSOLUTE_PATH)/#g' \
+ -e "s# #','#g" $(MESON_GEN_DIR)/import_includes && \
+ sed -i "s#<_IMPORT_INCLUDES>#$$(cat $(MESON_GEN_DIR)/import_includes)#g" $(MESON_GEN_DIR)/aosp_cross
+endef
+define m-c-includes
+<_IMPORT_INCLUDES> $(m-c-includes-common)
+endef
+endif
+
+define m-c-abs-includes
+ $(subst $(space)-isystem,$(space)-isystem$(AOSP_ABSOLUTE_PATH)/, \
+ $(subst $(space)-I, -I$(AOSP_ABSOLUTE_PATH)/, \
+ $(subst $(space)-I$(space),$(space)-I, \
+ $(subst $(space)-isystem$(space),$(space)-isystem, \
+ $(strip $(m-c-includes))))))
+endef
+
+$(MESON_GEN_FILES_TARGET): MESON_GEN_PKGCONFIGS:=$(MESON_GEN_PKGCONFIGS)
+$(MESON_GEN_FILES_TARGET): MESON_GEN_DIR:=$(MESON_GEN_DIR)
+$(MESON_GEN_FILES_TARGET): $(sort $(shell find -L $(LIBCAMERA_TOP) -not -path '*/\.*'))
+ mkdir -p $(dir $@)
+ echo -e "[properties]\n" \
+ "c_args = [$(foreach flag, $(call filter-c-flags,$(m-c-flags) $(m-c-abs-includes)),'$(flag)', )'']\n" \
+ "cpp_args = [$(foreach flag, $(call filter-c-flags,$(m-cpp-flags) $(m-c-abs-includes)),'$(flag)', )'']\n" \
+ "c_link_args = [$(foreach flag, $(m-lld-flags-cleaned),'$(flag)',)'']\n" \
+ "cpp_link_args = [$(foreach flag, $(m-lld-flags-cleaned),'$(flag)',)'']\n" \
+ "needs_exe_wrapper = true\n" \
+ "[binaries]\n" \
+ "ar = '$(AOSP_ABSOLUTE_PATH)/$($($(M_TARGET_PREFIX))TARGET_AR)'\n" \
+ "c = [$(foreach arg,$(PRIVATE_CC),'$(subst prebuilts/,$(AOSP_ABSOLUTE_PATH)/prebuilts/,$(arg))',)'']\n" \
+ "cpp = [$(foreach arg,$(PRIVATE_CXX),'$(subst prebuilts/,$(AOSP_ABSOLUTE_PATH)/prebuilts/,$(arg))',)'']\n" \
+ "c_ld = 'lld'\n" \
+ "cpp_ld = 'lld'\n\n" \
+ "pkgconfig = ['env', 'PKG_CONFIG_LIBDIR=' + '$(AOSP_ABSOLUTE_PATH)/$(MESON_GEN_DIR)', '/usr/bin/pkg-config']\n\n" \
+ "llvm-config = '/dev/null'\n" \
+ "[host_machine]\n" \
+ "system = 'linux'\n" \
+ "cpu_family = '$(MESON_CPU_FAMILY)'\n" \
+ "cpu = '$(MESON_CPU_FAMILY)'\n" \
+ "endian = 'little'" > $(dir $@)/aosp_cross
+
+ #
+ $(foreach pkg, $(MESON_GEN_PKGCONFIGS), $(call create-pkgconfig,$(dir $@),$(word 1, $(subst :, ,$(pkg))),$(word 2, $(subst :, ,$(pkg)))))
+ touch $@
+
+$(MESON_OUT_DIR)/.build.timestamp: MESON_GEN_NINJA:=$(MESON_GEN_NINJA)
+$(MESON_OUT_DIR)/.build.timestamp: MESON_BUILD:=$(MESON_BUILD)
+$(MESON_OUT_DIR)/.build.timestamp: $(MESON_GEN_FILES_TARGET) $(link_deps)
+ rm -rf $(dir $@)
+ mkdir -p $(dir $@)
+ mkdir -p $(dir $@)/build
+ # Meson will update timestamps in sources directory, continuously retriggering the build
+ # even if nothing changed. Copy sources into intermediate dir to avoid this effect.
+ cp -r $(LIBCAMERA_TOP)/* $(dir $@)
+ $(MESON_GEN_NINJA)
+ $(MESON_BUILD)
+ touch $@
+
+$(MESON_OUT_DIR)/install/.install.timestamp: MESON_BUILD:=$(MESON_BUILD)
+$(MESON_OUT_DIR)/install/.install.timestamp: $(MESON_OUT_DIR)/.build.timestamp
+ rm -rf $(dir $@)
+ mkdir -p $(dir $@)
+ DESTDIR=$(AOSP_ABSOLUTE_PATH)/$(dir $@) $(MESON_BUILD) install
+ touch $@
+
+$(LIBCAMERA_BINS): $(MESON_OUT_DIR)/install/.install.timestamp
+ echo "Build $@"
+ touch $@