SUMMARY = "Middleware layer between GObject-using C libraries and language bindings"
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DESCRIPTION = "GObject Introspection is a project for providing machine \
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readable introspection data of the API of C libraries. This introspection \
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data can be used in several different use cases, for example automatic code \
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generation for bindings, API verification and documentation generation."
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HOMEPAGE = "https://wiki.gnome.org/action/show/Projects/GObjectIntrospection"
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BUGTRACKER = "https://gitlab.gnome.org/GNOME/gobject-introspection/issues"
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SECTION = "libs"
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LICENSE = "LGPLv2+ & GPLv2+ & MIT"
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LIC_FILES_CHKSUM = "file://COPYING;md5=c434e8128a68bedd59b80b2ac1eb1c4a \
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file://tools/compiler.c;endline=20;md5=fc5007fc20022720e6c0b0cdde41fabd \
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file://giscanner/sourcescanner.c;endline=22;md5=194d6e0c1d00662f32d030ce44de8d39 \
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file://girepository/giregisteredtypeinfo.c;endline=21;md5=661847611ae6979465415f31a759ba27 \
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"
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SRC_URI = "${GNOME_MIRROR}/${BPN}/${@oe.utils.trim_version("${PV}", 2)}/${BPN}-${PV}.tar.xz \
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file://0001-giscanner-ignore-error-return-codes-from-ldd-wrapper.patch \
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"
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SRC_URI[sha256sum] = "d229242481a201b84a0c66716de1752bca41db4133672cfcfb37c93eb6e54a27"
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SRC_URI:append:class-native = " file://0001-Relocate-the-repository-directory-for-native-builds.patch"
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inherit meson pkgconfig gtk-doc python3native qemu gobject-introspection-data upstream-version-is-even multilib_script
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GTKDOC_MESON_OPTION = "gtk_doc"
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MULTILIB_SCRIPTS = "${PN}:${bindir}/g-ir-annotation-tool ${PN}:${bindir}/g-ir-scanner"
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DEPENDS += " libffi zlib glib-2.0 python3 flex-native bison-native autoconf-archive"
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# target build needs qemu to run temporary introspection binaries created
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# on the fly by g-ir-scanner and a native version of itself to run
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# native versions of its own tools during build.
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# Also prelink-rtld is used to find out library dependencies of introspection binaries
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# (standard ldd doesn't work when cross-compiling).
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DEPENDS:append:class-target = " gobject-introspection-native qemu-native prelink-native"
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# needed for writing out the qemu wrapper script
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export STAGING_DIR_HOST
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export B
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PACKAGECONFIG ?= ""
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PACKAGECONFIG[doctool] = "-Ddoctool=enabled,-Ddoctool=disabled,python3-mako,"
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# Configure target build to use native tools of itself and to use a qemu wrapper
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# and optionally to generate introspection data
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EXTRA_OEMESON:class-target = " \
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-Dgi_cross_use_prebuilt_gi=true \
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-Dgi_cross_binary_wrapper=${B}/g-ir-scanner-qemuwrapper \
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-Dgi_cross_ldd_wrapper=${B}/g-ir-scanner-lddwrapper \
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-Dgi_cross_pkgconfig_sysroot_path=${PKG_CONFIG_SYSROOT_DIR} \
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${@bb.utils.contains('GI_DATA_ENABLED', 'True', '-Dbuild_introspection_data=true', '-Dbuild_introspection_data=false', d)} \
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${@'-Dgir_dir_prefix=${libdir}' if d.getVar('MULTILIBS') else ''} \
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"
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# Need to ensure ld.so.conf exists so prelink-native works
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# both before we build and if we install from sstate
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do_configure[prefuncs] += "gobject_introspection_preconfigure"
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python gobject_introspection_preconfigure () {
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oe.utils.write_ld_so_conf(d)
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}
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do_configure:prepend:class-native() {
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# Tweak the native python scripts so that they don't refer to the
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# full path of native python binary (the solution is taken from glib-2.0 recipe)
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# This removes the risk of exceeding Linux kernel's shebang line limit (128 bytes)
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sed -i -e '1s,#!.*,#!${USRBINPATH}/env python3,' ${S}/tools/g-ir-tool-template.in
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}
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do_configure:prepend:class-target() {
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# Write out a qemu wrapper that will be given to gi-scanner so that it
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# can run target helper binaries through that.
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qemu_binary="${@qemu_wrapper_cmdline(d, '$STAGING_DIR_HOST', ['\\$GIR_EXTRA_LIBS_PATH','.libs','$STAGING_DIR_HOST/${libdir}','$STAGING_DIR_HOST/${base_libdir}'])}"
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cat > ${B}/g-ir-scanner-qemuwrapper << EOF
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#!/bin/sh
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# Use a modules directory which doesn't exist so we don't load random things
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# which may then get deleted (or their dependencies) and potentially segfault
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export GIO_MODULE_DIR=${STAGING_LIBDIR}/gio/modules-dummy
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$qemu_binary "\$@"
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if [ \$? -ne 0 ]; then
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echo "If the above error message is about missing .so libraries, then setting up GIR_EXTRA_LIBS_PATH in the recipe should help."
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echo "(typically like this: GIR_EXTRA_LIBS_PATH=\"$""{B}/something/.libs\" )"
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exit 1
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fi
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EOF
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chmod +x ${B}/g-ir-scanner-qemuwrapper
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# Write out a wrapper for g-ir-scanner itself, which will be used when building introspection files
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# for glib-based packages. This wrapper calls the native version of the scanner, and tells it to use
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# a qemu wrapper for running transient target binaries produced by the scanner, and an include directory
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# from the target sysroot.
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cat > ${B}/g-ir-scanner-wrapper << EOF
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#!/bin/sh
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# This prevents g-ir-scanner from writing cache data to user's HOME dir
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export GI_SCANNER_DISABLE_CACHE=1
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g-ir-scanner --lib-dirs-envvar=GIR_EXTRA_LIBS_PATH --use-binary-wrapper=${STAGING_BINDIR}/g-ir-scanner-qemuwrapper --use-ldd-wrapper=${STAGING_BINDIR}/g-ir-scanner-lddwrapper --add-include-path=${STAGING_DATADIR}/gir-1.0 --add-include-path=${STAGING_LIBDIR}/gir-1.0 "\$@"
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EOF
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chmod +x ${B}/g-ir-scanner-wrapper
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# Write out a wrapper for g-ir-compiler, which runs the target version of it through qemu.
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# g-ir-compiler writes out the raw content of a C struct to disk, and therefore is architecture dependent.
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cat > ${B}/g-ir-compiler-wrapper << EOF
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#!/bin/sh
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${STAGING_BINDIR}/g-ir-scanner-qemuwrapper ${STAGING_BINDIR}/g-ir-compiler "\$@"
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EOF
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chmod +x ${B}/g-ir-compiler-wrapper
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# Write out a wrapper to use instead of ldd, which does not work when a binary is built
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# for a different architecture
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cat > ${B}/g-ir-scanner-lddwrapper << EOF
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#!/bin/sh
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prelink-rtld --root=$STAGING_DIR_HOST "\$@"
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EOF
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chmod +x ${B}/g-ir-scanner-lddwrapper
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# Also tweak the target python scripts so that they don't refer to the
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# native version of python binary (the solution is taken from glib-2.0 recipe)
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sed -i -e '1s,#!.*,#!${USRBINPATH}/env python3,' ${S}/tools/g-ir-tool-template.in
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}
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do_compile:prepend() {
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# This prevents g-ir-scanner from writing cache data to $HOME
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export GI_SCANNER_DISABLE_CACHE=1
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# Needed to run g-ir unit tests, which won't be able to find the built libraries otherwise
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export GIR_EXTRA_LIBS_PATH=$B/.libs
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}
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do_install:prepend() {
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# This prevents g-ir-scanner from writing cache data to $HOME
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export GI_SCANNER_DISABLE_CACHE=1
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}
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# Our wrappers need to be available system-wide, because they will be used
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# to build introspection files for all other gobject-based packages
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do_install:append:class-target() {
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install -d ${D}${bindir}/
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install ${B}/g-ir-scanner-qemuwrapper ${D}${bindir}/
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install ${B}/g-ir-scanner-wrapper ${D}${bindir}/
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install ${B}/g-ir-compiler-wrapper ${D}${bindir}/
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install ${B}/g-ir-scanner-lddwrapper ${D}${bindir}/
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}
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# we need target versions of introspection tools in sysroot so that they can be run via qemu
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# when building introspection files in other packages
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SYSROOT_DIRS:append:class-target = " ${bindir}"
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SYSROOT_PREPROCESS_FUNCS:append:class-target = " gi_binaries_sysroot_preprocess"
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gi_binaries_sysroot_preprocess() {
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# Tweak the binary names in the introspection pkgconfig file, so that it
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# picks up our wrappers which do the cross-compile and qemu magic.
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sed -i \
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-e "s|g_ir_scanner=.*|g_ir_scanner=${bindir}/g-ir-scanner-wrapper|" \
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-e "s|g_ir_compiler=.*|g_ir_compiler=${bindir}/g-ir-compiler-wrapper|" \
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${SYSROOT_DESTDIR}${libdir}/pkgconfig/gobject-introspection-1.0.pc
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}
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SYSROOT_PREPROCESS_FUNCS:append = " gi_ldsoconf_sysroot_preprocess"
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gi_ldsoconf_sysroot_preprocess () {
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mkdir -p ${SYSROOT_DESTDIR}${bindir}
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dest=${SYSROOT_DESTDIR}${bindir}/postinst-ldsoconf-${PN}
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echo "#!/bin/sh" > $dest
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echo "mkdir -p ${STAGING_DIR_TARGET}${sysconfdir}" >> $dest
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echo "echo ${base_libdir} >> ${STAGING_DIR_TARGET}${sysconfdir}/ld.so.conf" >> $dest
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echo "echo ${libdir} >> ${STAGING_DIR_TARGET}${sysconfdir}/ld.so.conf" >> $dest
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chmod 755 $dest
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}
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# Remove wrapper files from the package, only used for cross-compiling
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PACKAGE_PREPROCESS_FUNCS += "gi_package_preprocess"
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gi_package_preprocess() {
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rm -f ${PKGD}${bindir}/g-ir-scanner-qemuwrapper
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rm -f ${PKGD}${bindir}/g-ir-scanner-wrapper
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rm -f ${PKGD}${bindir}/g-ir-compiler-wrapper
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rm -f ${PKGD}${bindir}/g-ir-scanner-lddwrapper
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}
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SSTATE_SCAN_FILES += "g-ir-scanner-qemuwrapper g-ir-scanner-wrapper g-ir-compiler-wrapper g-ir-scanner-lddwrapper Gio-2.0.gir postinst-ldsoconf-${PN}"
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# .typelib files are needed at runtime and so they go to the main package
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FILES:${PN}:append = " ${libdir}/girepository-*/*.typelib"
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# .gir files go to dev package, as they're needed for developing (but not for running)
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# things that depends on introspection.
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FILES:${PN}-dev:append = " ${datadir}/gir-*/*.gir ${libdir}/gir-*/*.gir"
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FILES:${PN}-dev:append = " ${datadir}/gir-*/*.rnc"
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# These are used by gobject-based packages
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# to generate transient introspection binaries
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FILES:${PN}-dev:append = " ${datadir}/gobject-introspection-1.0/gdump.c \
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${datadir}/gobject-introspection-1.0/Makefile.introspection"
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# These are used by dependent packages (e.g. pygobject) to build their
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# testsuites.
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FILES:${PN}-dev:append = " ${datadir}/gobject-introspection-1.0/tests/*.c \
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${datadir}/gobject-introspection-1.0/tests/*.h"
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FILES:${PN}-dbg += "${libdir}/gobject-introspection/giscanner/.debug/"
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FILES:${PN}-staticdev += "${libdir}/gobject-introspection/giscanner/*.a"
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RDEPENDS:${PN} = "python3-pickle python3-xml"
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BBCLASSEXTEND = "native"
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