initial buildroot for linux 5.15

package/pugixml/Config.in

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+config BR2_PACKAGE_PUGIXML
+	bool "pugixml"
+	depends on BR2_INSTALL_LIBSTDCPP
+	help
+	  Light-weight, simple and fast XML parser for C++ with XPath
+	  support
+
+	  Features:
+	  * DOM-like interface with rich traversal/modification
+	    capabilities
+	  * Extremely fast non-validating XML parser which constructs
+	    the DOM tree from an XML file/buffer
+	  * XPath 1.0 implementation for complex data-driven tree
+	    queries
+	  * Full Unicode support with Unicode interface variants and
+	    automatic encoding conversions
+
+	  http://pugixml.org/
+	  https://github.com/zeux/pugixml
+
+if BR2_PACKAGE_PUGIXML
+
+config BR2_PACKAGE_PUGIXML_XPATH_SUPPORT
+	bool "Enable XPath support"
+	default y
+	help
+	  When disabled, both XPath interfaces and XPath implementation
+	  are excluded from compilation. This option is provided in case
+	  you do not need XPath functionality and need to save code
+	  space.
+
+config BR2_PACKAGE_PUGIXML_COMPACT
+	bool "Enable compact mode"
+	help
+	  Activates a different internal representation of document
+	  storage that is much more memory efficient for documents with
+	  a lot of markup (i.e.  nodes and attributes), but is slightly
+	  slower to parse and access.
+
+	  http://pugixml.org/docs/manual.html#dom.memory.compact
+
+config BR2_PACKAGE_PUGIXML_HEADER_ONLY
+	bool "Enable header-only version"
+	help
+	  All source code for pugixml will be included in every
+	  translation unit that includes pugixml.hpp. This is how most
+	  of Boost and STL libraries work.
+
+	  http://pugixml.org/docs/manual.html#install.building.header
+
+endif
+
+comment "pugixml needs a toolchain w/ C++"
+	depends on !BR2_INSTALL_LIBSTDCPP

package/pugixml/pugixml.hash

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+# Locally computed:
+sha256  8ddf57b65fb860416979a3f0640c2ad45ddddbbafa82508ef0a0af3ce7061716  pugixml-1.11.4.tar.gz
+sha256  ee495f34aeff0c578a99f3350a2050d4e5860d27b2004c03c384a594fa2b0a7a  LICENSE.md

package/pugixml/pugixml.mk

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+################################################################################
+#
+# pugixml
+#
+################################################################################
+
+PUGIXML_VERSION = 1.11.4
+PUGIXML_SITE = http://github.com/zeux/pugixml/releases/download/v$(PUGIXML_VERSION)
+PUGIXML_LICENSE = MIT
+PUGIXML_LICENSE_FILES = LICENSE.md
+PUGIXML_CPE_ID_VENDOR = pugixml_project
+
+PUGIXML_INSTALL_STAGING = YES
+
+# Pugixml will automatically enable 'long long' support on C++11 compilers,
+# which means gcc 4.8+. As gcc always supports the 'long long' type,
+# force-enable this option to support older gcc versions. See also:
+# https://gcc.gnu.org/onlinedocs/gcc/Long-Long.html
+PUGIXML_BUILD_DEFINES += PUGIXML_HAS_LONG_LONG
+HOST_PUGIXML_BUILD_DEFINES += PUGIXML_HAS_LONG_LONG
+
+ifeq ($(BR2_PACKAGE_PUGIXML_XPATH_SUPPORT),)
+PUGIXML_BUILD_DEFINES += PUGIXML_NO_XPATH
+endif
+ifeq ($(BR2_PACKAGE_PUGIXML_COMPACT),y)
+PUGIXML_BUILD_DEFINES += PUGIXML_COMPACT
+endif
+ifeq ($(BR2_PACKAGE_PUGIXML_HEADER_ONLY),y)
+PUGIXML_BUILD_DEFINES += PUGIXML_HEADER_ONLY
+endif
+
+ifdef PUGIXML_BUILD_DEFINES
+PUGIXML_CONF_OPTS += -DBUILD_DEFINES="$(subst $(space),;,$(PUGIXML_BUILD_DEFINES))"
+endif
+
+HOST_PUGIXML_CONF_OPTS += \
+	-DBUILD_PKGCONFIG=ON \
+	-DBUILD_DEFINES="$(subst $(space),;,$(HOST_PUGIXML_BUILD_DEFINES))"
+
+$(eval $(cmake-package))
+$(eval $(host-cmake-package))