################################################################################
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# QMake package infrastructure
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#
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# This file implements an infrastructure that eases development of package
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# .mk files for QMake packages. It should be used for all packages that use
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# Qmake 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 QMake infrastructure requires the .mk file
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# to only specify metadata information about the package: name, version,
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# download URL, etc.
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#
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# We still allow the package .mk file to override what the different steps
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# are doing, if needed. For example, if <PKG>_BUILD_CMDS is already defined,
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# it is used as the list of commands to perform to build the package,
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# instead of the default QMake behaviour. The package can also define some
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# post operation hooks.
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#
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################################################################################
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#
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# Hook to sync Qt headers
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#
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define QT_HEADERS_SYNC_HOOK
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$(Q)cd $($(PKG)_BUILDDIR) && $(HOST_DIR)/bin/syncqt.pl -version $(QT5_VERSION)
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endef
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################################################################################
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# inner-qmake-package -- defines how the configuration, compilation and
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# installation of a qmake package should be done, implements a few hooks
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# to tune the build process for qmake specifities and calls the generic
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# package infrastructure to generate the necessary make targets
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#
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# argument 1 is the lowercase package name
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# argument 2 is the uppercase package name, including a HOST_ prefix
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# for host packages
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################################################################################
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define inner-qmake-package
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$(2)_CONF_ENV ?=
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$(2)_CONF_OPTS ?=
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$(2)_MAKE_ENV ?=
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$(2)_MAKE_OPTS ?=
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$(2)_INSTALL_STAGING_OPTS ?= install
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$(2)_INSTALL_TARGET_OPTS ?= $$($(2)_INSTALL_STAGING_OPTS)
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ifneq ($(1),qt5base)
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$(2)_DEPENDENCIES += qt5base
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endif
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ifeq ($$($(2)_SYNC_QT_HEADERS),YES)
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$(2)_DEPENDENCIES += host-perl
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$(2)_PRE_CONFIGURE_HOOKS += QT_HEADERS_SYNC_HOOK
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endif
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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.
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#
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ifndef $(2)_CONFIGURE_CMDS
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define $(2)_CONFIGURE_CMDS
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$$(QT5_QT_CONF_FIXUP)
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cd $$($(2)_BUILDDIR) && \
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$$(TARGET_MAKE_ENV) $$($(2)_CONF_ENV) $$(QT5_QMAKE) $$($(2)_CONF_OPTS)
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endef
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endif
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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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define $(2)_BUILD_CMDS
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$$(TARGET_MAKE_ENV) $$($(2)_MAKE_ENV) $$(MAKE) -C $$($(2)_BUILDDIR) $$($(2)_MAKE_OPTS)
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endef
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endif
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#
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# Staging installation step. Only define it if not already defined by
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# the package .mk file.
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#
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ifndef $(2)_INSTALL_STAGING_CMDS
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define $(2)_INSTALL_STAGING_CMDS
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$$(TARGET_MAKE_ENV) $$($(2)_MAKE_ENV) $$(MAKE) -C $$($(2)_BUILDDIR) $$($(2)_INSTALL_STAGING_OPTS)
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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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# Unfortunately we can't use INSTALL_ROOT to directly install to TARGET_DIR
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# because in a crosscompile setup, the qmake generated install destinations
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# are prefixed with the hardcoded sysroot (=STAGING_DIR) and hostprefix
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# (=HOST_DIR).
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# Instead we set INSTALL_ROOT, which comes before the install path, to a
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# temporary folder inside the build directory and effectively install to
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# $(@D)/tmp-target-install/$(STAGING_DIR) and $(@D)/tmp-target-install/$(HOST_DIR).
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# We subsequently rsync only the files from the temporary staging dir and that
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# way exclude files for the build host from target.
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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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$$(TARGET_MAKE_ENV) $$($(2)_MAKE_ENV) $$(MAKE) -C $$($(2)_BUILDDIR) INSTALL_ROOT=$$($(2)_BUILDDIR)tmp-target-install $$($(2)_INSTALL_TARGET_OPTS)
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rsync -arv $$($(2)_BUILDDIR)tmp-target-install$$(STAGING_DIR)/ $$(TARGET_DIR)/
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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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# qmake-package -- the target generator macro for QMake packages
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################################################################################
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qmake-package = $(call inner-qmake-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
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