################################################################################
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# Meson package infrastructure
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#
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# This file implements an infrastructure that eases development of
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# package .mk files for Meson packages. It should be used for all
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# packages that use Meson as their build system.
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#
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# See the Buildroot documentation for details on the usage of this
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# infrastructure
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#
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# In terms of implementation, this Meson infrastructure requires
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# the .mk file to only specify metadata information about the
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# package: name, version, download URL, etc.
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#
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# We still allow the package .mk file to override what the different
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# steps are doing, if needed. For example, if <PKG>_BUILD_CMDS is
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# already defined, it is used as the list of commands to perform to
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# build the package, instead of the default Meson behaviour. The
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# package can also define some post operation hooks.
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#
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################################################################################
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#
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# Pass PYTHONNOUSERSITE environment variable when invoking Meson or Ninja, so
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# $(HOST_DIR)/bin/python3 will not look for Meson modules in
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# $HOME/.local/lib/python3.x/site-packages
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#
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MESON = PYTHONNOUSERSITE=y $(HOST_DIR)/bin/meson
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NINJA = PYTHONNOUSERSITE=y $(HOST_DIR)/bin/ninja
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NINJA_OPTS = $(if $(VERBOSE),-v) -j$(PARALLEL_JOBS)
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################################################################################
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# inner-meson-package -- defines how the configuration, compilation and
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# installation of a Meson package should be done, implements a few hooks to
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# tune the build process and calls the generic package infrastructure to
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# generate the necessary make targets
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#
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# argument 1 is the lowercase package name
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# argument 2 is the uppercase package name, including a HOST_ prefix
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# for host packages
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# argument 3 is the uppercase package name, without the HOST_ prefix
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# for host packages
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# argument 4 is the type (target or host)
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################################################################################
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define inner-meson-package
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#
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# Configure step. Only define it if not already defined by the package
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# .mk file. And take care of the differences between host and target
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# packages.
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#
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ifndef $(2)_CONFIGURE_CMDS
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ifeq ($(4),target)
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$(2)_CFLAGS ?= $$(TARGET_CFLAGS)
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$(2)_LDFLAGS ?= $$(TARGET_LDFLAGS)
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$(2)_CXXFLAGS ?= $$(TARGET_CXXFLAGS)
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# Configure package for target
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#
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#
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define $(2)_CONFIGURE_CMDS
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rm -rf $$($$(PKG)_SRCDIR)/build
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mkdir -p $$($$(PKG)_SRCDIR)/build
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sed -e 's%@TARGET_CROSS@%$$(TARGET_CROSS)%g' \
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-e 's%@TARGET_ARCH@%$$(HOST_MESON_TARGET_CPU_FAMILY)%g' \
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-e 's%@TARGET_CPU@%$$(HOST_MESON_TARGET_CPU)%g' \
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-e 's%@TARGET_ENDIAN@%$$(HOST_MESON_TARGET_ENDIAN)%g' \
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-e "s%@TARGET_CFLAGS@%$$(call make-sq-comma-list,$$($(2)_CFLAGS))%g" \
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-e "s%@TARGET_LDFLAGS@%$$(call make-sq-comma-list,$$($(2)_LDFLAGS))%g" \
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-e "s%@TARGET_CXXFLAGS@%$$(call make-sq-comma-list,$$($(2)_CXXFLAGS))%g" \
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-e 's%@HOST_DIR@%$$(HOST_DIR)%g' \
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-e 's%@STAGING_DIR@%$$(STAGING_DIR)%g' \
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-e 's%@STATIC@%$$(if $$(BR2_STATIC_LIBS),true,false)%g' \
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-e "/^\[binaries\]$$$$/s:$$$$:$$(foreach x,$$($(2)_MESON_EXTRA_BINARIES),\n$$(x)):" \
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-e "/^\[properties\]$$$$/s:$$$$:$$(foreach x,$$($(2)_MESON_EXTRA_PROPERTIES),\n$$(x)):" \
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package/meson/cross-compilation.conf.in \
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> $$($$(PKG)_SRCDIR)/build/cross-compilation.conf
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PATH=$$(BR_PATH) \
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CC_FOR_BUILD="$$(HOSTCC)" \
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CXX_FOR_BUILD="$$(HOSTCXX)" \
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$$($$(PKG)_CONF_ENV) \
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$$(MESON) \
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--prefix=/usr \
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--libdir=lib \
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--default-library=$(if $(BR2_STATIC_LIBS),static,shared) \
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--buildtype=$(if $(BR2_ENABLE_RUNTIME_DEBUG),debug,release) \
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--cross-file=$$($$(PKG)_SRCDIR)/build/cross-compilation.conf \
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-Db_pie=false \
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-Dstrip=false \
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-Dbuild.pkg_config_path=$$(HOST_DIR)/lib/pkgconfig \
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$$($$(PKG)_CONF_OPTS) \
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$$($$(PKG)_SRCDIR) $$($$(PKG)_SRCDIR)/build
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endef
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else
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# Configure package for host
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define $(2)_CONFIGURE_CMDS
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rm -rf $$($$(PKG)_SRCDIR)/build
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mkdir -p $$($$(PKG)_SRCDIR)/build
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$$(HOST_CONFIGURE_OPTS) \
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$$($$(PKG)_CONF_ENV) $$(MESON) \
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--prefix=$$(HOST_DIR) \
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--libdir=lib \
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--sysconfdir=$$(HOST_DIR)/etc \
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--localstatedir=$$(HOST_DIR)/var \
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--default-library=shared \
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--buildtype=release \
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-Dstrip=true \
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$$($$(PKG)_CONF_OPTS) \
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$$($$(PKG)_SRCDIR) $$($$(PKG)_SRCDIR)/build
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endef
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endif
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endif
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$(2)_DEPENDENCIES += host-meson
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#
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# Build step. Only define it if not already defined by the package .mk
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# file.
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#
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ifndef $(2)_BUILD_CMDS
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ifeq ($(4),target)
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define $(2)_BUILD_CMDS
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$$(TARGET_MAKE_ENV) $$($$(PKG)_NINJA_ENV) \
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$$(NINJA) $$(NINJA_OPTS) $$($$(PKG)_NINJA_OPTS) -C $$($$(PKG)_SRCDIR)/build
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endef
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else
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define $(2)_BUILD_CMDS
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$$(HOST_MAKE_ENV) $$($$(PKG)_NINJA_ENV) \
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$$(NINJA) $$(NINJA_OPTS) $$($$(PKG)_NINJA_OPTS) -C $$($$(PKG)_SRCDIR)/build
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endef
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endif
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endif
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#
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# Host installation step. Only define it if not already defined by the
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# package .mk file.
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#
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ifndef $(2)_INSTALL_CMDS
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define $(2)_INSTALL_CMDS
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$$(HOST_MAKE_ENV) $$($$(PKG)_NINJA_ENV) \
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$$(NINJA) $$(NINJA_OPTS) -C $$($$(PKG)_SRCDIR)/build install
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endef
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endif
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#
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# Staging installation step. Only define it if not already defined by
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# the package .mk file.
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#
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ifndef $(2)_INSTALL_STAGING_CMDS
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define $(2)_INSTALL_STAGING_CMDS
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$$(TARGET_MAKE_ENV) $$($$(PKG)_NINJA_ENV) DESTDIR=$$(STAGING_DIR) \
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$$(NINJA) $$(NINJA_OPTS) -C $$($$(PKG)_SRCDIR)/build install
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endef
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endif
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#
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# Target installation step. Only define it if not already defined by
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# the package .mk file.
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#
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ifndef $(2)_INSTALL_TARGET_CMDS
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define $(2)_INSTALL_TARGET_CMDS
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$$(TARGET_MAKE_ENV) $$($$(PKG)_NINJA_ENV) DESTDIR=$$(TARGET_DIR) \
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$$(NINJA) $$(NINJA_OPTS) -C $$($$(PKG)_SRCDIR)/build install
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endef
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endif
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# Call the generic package infrastructure to generate the necessary
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# make targets
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$(call inner-generic-package,$(1),$(2),$(3),$(4))
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endef
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################################################################################
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# meson-package -- the target generator macro for Meson packages
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################################################################################
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meson-package = $(call inner-meson-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
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host-meson-package = $(call inner-meson-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
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################################################################################
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# Generation of the Meson cross-compilation.conf file
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################################################################################
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# Generate a Meson cross-compilation.conf suitable for use with the
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# SDK; also install the file as a template for users to add their
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# own flags if they need to.
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define PKG_MESON_INSTALL_CROSS_CONF
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mkdir -p $(HOST_DIR)/etc/meson
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sed -e 's%@TARGET_CROSS@%$(TARGET_CROSS)%g' \
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-e 's%@TARGET_ARCH@%$(HOST_MESON_TARGET_CPU_FAMILY)%g' \
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-e 's%@TARGET_CPU@%$(HOST_MESON_TARGET_CPU)%g' \
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-e 's%@TARGET_ENDIAN@%$(HOST_MESON_TARGET_ENDIAN)%g' \
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-e "s%@TARGET_CFLAGS@%$(call make-sq-comma-list,$(TARGET_CFLAGS))@PKG_TARGET_CFLAGS@%g" \
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-e "s%@TARGET_LDFLAGS@%$(call make-sq-comma-list,$(TARGET_LDFLAGS))@PKG_TARGET_CFLAGS@%g" \
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-e "s%@TARGET_CXXFLAGS@%$(call make-sq-comma-list,$(TARGET_CXXFLAGS))@PKG_TARGET_CFLAGS@%g" \
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-e 's%@HOST_DIR@%$(HOST_DIR)%g' \
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-e 's%@STAGING_DIR@%$(STAGING_DIR)%g' \
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-e 's%@STATIC@%$(if $(BR2_STATIC_LIBS),true,false)%g' \
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$(HOST_MESON_PKGDIR)/cross-compilation.conf.in \
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> $(HOST_DIR)/etc/meson/cross-compilation.conf.in
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sed -e 's%@PKG_TARGET_CFLAGS@%%g' \
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-e 's%@PKG_TARGET_LDFLAGS@%%g' \
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-e 's%@PKG_TARGET_CXXFLAGS@%%g' \
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$(HOST_DIR)/etc/meson/cross-compilation.conf.in \
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> $(HOST_DIR)/etc/meson/cross-compilation.conf
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endef
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TOOLCHAIN_TARGET_FINALIZE_HOOKS += PKG_MESON_INSTALL_CROSS_CONF
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