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    # To build your package using meson:
    #
    # include $(INCLUDE_DIR)/meson.mk
    # MESON_ARGS+=-Dfoo -Dbar=baz
    #
    # To pass additional environment variables to meson:
    #
    # MESON_VARS+=FOO=bar
    #
    # Default configure/compile/install targets are provided, but can be
    # overwritten if required:
    #
    # define Build/Configure
    #   $(call Build/Configure/Meson)
    #   ...
    # endef
    #
    # same for Build/Compile and Build/Install
    #
    # Host packages are built in the same fashion, just use these vars instead:
    #
    # MESON_HOST_ARGS+=-Dfoo -Dbar=baz
    # MESON_HOST_VARS+=FOO=bar
    
    MESON_DIR:=$(STAGING_DIR_HOST)/lib/meson
    
    MESON_HOST_BUILD_DIR:=$(HOST_BUILD_DIR)/openwrt-build
    MESON_HOST_VARS:=
    MESON_HOST_ARGS:=
    
    MESON_BUILD_DIR:=$(PKG_BUILD_DIR)/openwrt-build
    MESON_VARS:=
    MESON_ARGS:=
    
    ifneq ($(findstring i386,$(CONFIG_ARCH)),)
    MESON_ARCH:="x86"
    else ifneq ($(findstring powerpc64,$(CONFIG_ARCH)),)
    MESON_ARCH:="ppc64"
    else ifneq ($(findstring powerpc,$(CONFIG_ARCH)),)
    MESON_ARCH:="ppc"
    else ifneq ($(findstring mips64el,$(CONFIG_ARCH)),)
    MESON_ARCH:="mips64"
    else ifneq ($(findstring mipsel,$(CONFIG_ARCH)),)
    MESON_ARCH:="mips"
    else ifneq ($(findstring armeb,$(CONFIG_ARCH)),)
    MESON_ARCH:="arm"
    else
    MESON_ARCH:=$(CONFIG_ARCH)
    endif
    
    # this is undefined for just x64_64
    ifeq ($(origin CPU_TYPE),undefined)
    MESON_CPU:="generic"
    else
    MESON_CPU:="$(CPU_TYPE)$(if $(CPU_SUBTYPE),+$(CPU_SUBTYPE))"
    endif
    
    define Meson
    
    	$(2) $(STAGING_DIR_HOST)/bin/$(PYTHON) $(STAGING_DIR_HOST)/bin/meson.py $(1)
    
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    endef
    
    define Meson/CreateNativeFile
    	$(STAGING_DIR_HOST)/bin/sed \
    		-e "s|@CC@|$(foreach BIN,$(HOSTCC),'$(BIN)',)|" \
    		-e "s|@CXX@|$(foreach BIN,$(HOSTCXX),'$(BIN)',)|" \
    		-e "s|@PKGCONFIG@|$(PKG_CONFIG)|" \
    
    		-e "s|@CMAKE@|$(STAGING_DIR_HOST)/bin/cmake|" \
    
    		-e "s|@PYTHON@|$(STAGING_DIR_HOST)/bin/python3|" \
    
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    		-e "s|@CFLAGS@|$(foreach FLAG,$(HOST_CFLAGS) $(HOST_CPPFLAGS),'$(FLAG)',)|" \
    		-e "s|@CXXFLAGS@|$(foreach FLAG,$(HOST_CXXFLAGS) $(HOST_CPPFLAGS),'$(FLAG)',)|" \
    		-e "s|@LDFLAGS@|$(foreach FLAG,$(HOST_LDFLAGS),'$(FLAG)',)|" \
    		-e "s|@PREFIX@|$(HOST_BUILD_PREFIX)|" \
    		< $(MESON_DIR)/openwrt-native.txt.in \
    		> $(1)
    endef
    
    define Meson/CreateCrossFile
    	$(STAGING_DIR_HOST)/bin/sed \
    		-e "s|@CC@|$(foreach BIN,$(TARGET_CC),'$(BIN)',)|" \
    		-e "s|@CXX@|$(foreach BIN,$(TARGET_CXX),'$(BIN)',)|" \
    		-e "s|@AR@|$(TARGET_AR)|" \
    		-e "s|@STRIP@|$(TARGET_CROSS)strip|" \
    		-e "s|@NM@|$(TARGET_NM)|" \
    		-e "s|@PKGCONFIG@|$(PKG_CONFIG)|" \
    
    		-e "s|@CMAKE@|$(STAGING_DIR_HOST)/bin/cmake|" \
    
    		-e "s|@PYTHON@|$(STAGING_DIR_HOST)/bin/python3|" \
    
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    		-e "s|@CFLAGS@|$(foreach FLAG,$(TARGET_CFLAGS) $(EXTRA_CFLAGS) $(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS),'$(FLAG)',)|" \
    		-e "s|@CXXFLAGS@|$(foreach FLAG,$(TARGET_CXXFLAGS) $(EXTRA_CXXFLAGS) $(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS),'$(FLAG)',)|" \
    		-e "s|@LDFLAGS@|$(foreach FLAG,$(TARGET_LDFLAGS) $(EXTRA_LDFLAGS),'$(FLAG)',)|" \
    		-e "s|@ARCH@|$(MESON_ARCH)|" \
    		-e "s|@CPU@|$(MESON_CPU)|" \
    		-e "s|@ENDIAN@|$(if $(CONFIG_BIG_ENDIAN),big,little)|" \
    		< $(MESON_DIR)/openwrt-cross.txt.in \
    		> $(1)
    endef
    
    define Host/Configure/Meson
    	$(call Meson/CreateNativeFile,$(HOST_BUILD_DIR)/openwrt-native.txt)
    	$(call Meson, \
    		--native-file $(HOST_BUILD_DIR)/openwrt-native.txt \
    		$(MESON_HOST_ARGS) \
    		$(MESON_HOST_BUILD_DIR) \
    
    		$(MESON_HOST_BUILD_DIR)/.., \
    
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    		$(MESON_HOST_VARS))
    endef
    
    define Host/Compile/Meson
    	+$(NINJA) -C $(MESON_HOST_BUILD_DIR) $(1)
    endef
    
    define Host/Install/Meson
    	+$(NINJA) -C $(MESON_HOST_BUILD_DIR) install
    endef
    
    define Host/Uninstall/Meson
    	+$(NINJA) -C $(MESON_HOST_BUILD_DIR) uninstall || true
    endef
    
    define Build/Configure/Meson
    	$(call Meson/CreateNativeFile,$(PKG_BUILD_DIR)/openwrt-native.txt)
    	$(call Meson/CreateCrossFile,$(PKG_BUILD_DIR)/openwrt-cross.txt)
    	$(call Meson, \
    		--buildtype plain \
    		--native-file $(PKG_BUILD_DIR)/openwrt-native.txt \
    		--cross-file $(PKG_BUILD_DIR)/openwrt-cross.txt \
    		$(MESON_ARGS) \
    		$(MESON_BUILD_DIR) \
    		$(MESON_BUILD_DIR)/.., \
    		$(MESON_VARS))
    endef
    
    define Build/Compile/Meson
    	+$(NINJA) -C $(MESON_BUILD_DIR) $(1)
    endef
    
    define Build/Install/Meson
    	+DESTDIR="$(PKG_INSTALL_DIR)" $(NINJA) -C $(MESON_BUILD_DIR) install
    endef
    
    Host/Configure=$(call Host/Configure/Meson)
    Host/Compile=$(call Host/Compile/Meson)
    Host/Install=$(call Host/Install/Meson)
    Host/Uninstall=$(call Host/Uninstall/Meson)
    Build/Configure=$(call Build/Configure/Meson)
    Build/Compile=$(call Build/Compile/Meson)
    Build/Install=$(call Build/Install/Meson)