initial buildroot for linux 5.15

package/gdk-pixbuf/Config.in

@@ -0,0 +1,16 @@
+config BR2_PACKAGE_GDK_PIXBUF
+	bool "gdk-pixbuf"
+	depends on BR2_USE_WCHAR # glib2
+	depends on BR2_TOOLCHAIN_HAS_THREADS # glib2
+	depends on BR2_USE_MMU # glib2
+	select BR2_PACKAGE_LIBGLIB2
+	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
+	help
+	  Gdk-Pixbuf is an image loader and scaler. It uses GObject
+	  and the GLib, to integrate well with GNOME applications.
+
+	  https://www.gtk.org/
+
+comment "gdk-pixbuf needs a toolchain w/ wchar, threads"
+	depends on BR2_USE_MMU
+	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS

package/gdk-pixbuf/gdk-pixbuf.hash

@@ -0,0 +1,3 @@
+# From https://ftp.gnome.org/pub/gnome/sources/gdk-pixbuf/2.42/gdk-pixbuf-2.42.4.sha256sum
+sha256  fe9c5dd88f486194ea2bc09b8814c1ed895bb6c530f37cbbf259757c4e482e4d  gdk-pixbuf-2.42.4.tar.xz
+sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  COPYING

package/gdk-pixbuf/gdk-pixbuf.mk

@@ -0,0 +1,95 @@
+################################################################################
+#
+# gdk-pixbuf
+#
+################################################################################
+
+GDK_PIXBUF_VERSION_MAJOR = 2.42
+GDK_PIXBUF_VERSION = $(GDK_PIXBUF_VERSION_MAJOR).4
+GDK_PIXBUF_SOURCE = gdk-pixbuf-$(GDK_PIXBUF_VERSION).tar.xz
+GDK_PIXBUF_SITE = http://ftp.gnome.org/pub/gnome/sources/gdk-pixbuf/$(GDK_PIXBUF_VERSION_MAJOR)
+GDK_PIXBUF_LICENSE = LGPL-2.1+
+GDK_PIXBUF_LICENSE_FILES = COPYING
+GDK_PIXBUF_CPE_ID_VENDOR = gnome
+GDK_PIXBUF_INSTALL_STAGING = YES
+GDK_PIXBUF_DEPENDENCIES = \
+	host-gdk-pixbuf host-libglib2 host-pkgconf \
+	libglib2 $(if $(BR2_ENABLE_LOCALE),,libiconv)
+HOST_GDK_PIXBUF_DEPENDENCIES = host-libpng host-pkgconf host-libglib2
+
+GDK_PIXBUF_CONF_OPTS = \
+	-Dgio_sniffing=false \
+	-Dinstalled_tests=false \
+	-Dman=false
+
+HOST_GDK_PIXBUF_CONF_OPTS = \
+	-Dgio_sniffing=false \
+	-Dinstalled_tests=false \
+	-Dintrospection=disabled \
+	-Dman=false
+
+ifeq ($(BR2_STATIC_LIBS),y)
+GDK_PIXBUF_CONF_OPTS += -Dbuiltin_loaders=all
+endif
+
+ifeq ($(BR2_PACKAGE_GOBJECT_INTROSPECTION),y)
+GDK_PIXBUF_CONF_OPTS += -Dintrospection=enabled
+GDK_PIXBUF_DEPENDENCIES += gobject-introspection
+else
+GDK_PIXBUF_CONF_OPTS += -Dintrospection=disabled
+endif
+
+ifeq ($(BR2_PACKAGE_LIBPNG),y)
+GDK_PIXBUF_CONF_OPTS += -Dpng=true
+GDK_PIXBUF_DEPENDENCIES += libpng
+else
+GDK_PIXBUF_CONF_OPTS += -Dpng=false
+endif
+
+ifeq ($(BR2_PACKAGE_JPEG),y)
+GDK_PIXBUF_CONF_OPTS += -Djpeg=true
+HOST_GDK_PIXBUF_CONF_OPTS += -Djpeg=true
+GDK_PIXBUF_DEPENDENCIES += jpeg
+HOST_GDK_PIXBUF_DEPENDENCIES += host-libjpeg
+else
+GDK_PIXBUF_CONF_OPTS += -Djpeg=false
+HOST_GDK_PIXBUF_CONF_OPTS += -Djpeg=false
+endif
+
+ifeq ($(BR2_PACKAGE_TIFF),y)
+GDK_PIXBUF_CONF_OPTS += -Dtiff=true
+HOST_GDK_PIXBUF_CONF_OPTS += -Dtiff=true
+GDK_PIXBUF_DEPENDENCIES += tiff
+HOST_GDK_PIXBUF_DEPENDENCIES += host-tiff
+else
+GDK_PIXBUF_CONF_OPTS += -Dtiff=false
+HOST_GDK_PIXBUF_CONF_OPTS += -Dtiff=false
+endif
+
+# gdk-pixbuf requires the loaders.cache file populated to work properly
+# Rather than doing so at runtime, since the fs can be read-only, do so
+# here after building and installing to target.
+# And since the cache file will contain absolute host directory names we
+# need to sanitize (strip) them.
+ifeq ($(BR2_STATIC_LIBS),)
+define GDK_PIXBUF_UPDATE_CACHE
+	GDK_PIXBUF_MODULEDIR=$(HOST_DIR)/lib/gdk-pixbuf-2.0/2.10.0/loaders \
+		$(HOST_DIR)/bin/gdk-pixbuf-query-loaders \
+		> $(TARGET_DIR)/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
+	$(SED) "s,$(HOST_DIR)/lib,/usr/lib,g" \
+		$(TARGET_DIR)/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
+endef
+GDK_PIXBUF_POST_INSTALL_TARGET_HOOKS += GDK_PIXBUF_UPDATE_CACHE
+endif
+
+# Target gdk-pixbuf needs loaders.cache populated to build for the
+# thumbnailer. Use the host-built since it matches the target options
+# regarding mime types (which is the used information).
+define GDK_PIXBUF_COPY_LOADERS_CACHE
+	cp -f $(HOST_DIR)/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache \
+		$(@D)/gdk-pixbuf
+endef
+GDK_PIXBUF_PRE_BUILD_HOOKS += GDK_PIXBUF_COPY_LOADERS_CACHE
+
+$(eval $(meson-package))
+$(eval $(host-meson-package))