initial buildroot for linux 5.15

package/libosmium/Config.in

@@ -0,0 +1,17 @@
+config BR2_PACKAGE_LIBOSMIUM
+	bool "libosmium"
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # C++11
+	depends on BR2_TOOLCHAIN_HAS_THREADS # boost
+	depends on BR2_USE_WCHAR # boost
+	select BR2_PACKAGE_BOOST
+	select BR2_PACKAGE_PROTOZERO
+	help
+	  A fast and flexible C++ library for working with OpenStreetMap
+	  data. Libosmium works on Linux, macOS and Windows.
+
+	  https://osmcode.org/libosmium/
+
+comment "libosmium needs a toolchain w/ C++,  wchar, threads, gcc >= 4.7"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 || !BR2_TOOLCHAIN_HAS_THREADS

package/libosmium/libosmium.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  6faa7952aa1210dcd9ae4ef83e7653a4f8eb880e6a4e5b37f87a5d4835f6327b  libosmium-2.17.1.tar.gz
+sha256  c9bff75738922193e67fa726fa225535870d2aa1059f91452c411736284ad566  LICENSE

package/libosmium/libosmium.mk

@@ -0,0 +1,38 @@
+################################################################################
+#
+# libosmium
+#
+################################################################################
+
+LIBOSMIUM_VERSION = 2.17.1
+LIBOSMIUM_SITE = $(call github,osmcode,libosmium,v$(LIBOSMIUM_VERSION))
+LIBOSMIUM_LICENSE = BSL-1.0
+LIBOSMIUM_LICENSE_FILES = LICENSE
+LIBOSMIUM_INSTALL_STAGING = YES
+LIBOSMIUM_DEPENDENCIES = boost protozero
+
+ifeq ($(BR2_PACKAGE_BZIP2),y)
+LIBOSMIUM_DEPENDENCIES += bzip2
+endif
+
+ifeq ($(BR2_PACKAGE_EXPAT),y)
+LIBOSMIUM_DEPENDENCIES += expat
+endif
+
+ifeq ($(BR2_PACKAGE_LIBGEOS),y)
+LIBOSMIUM_DEPENDENCIES += libgeos
+endif
+
+ifeq ($(BR2_PACKAGE_LZ4),y)
+LIBOSMIUM_DEPENDENCIES += lz4
+endif
+
+ifeq ($(BR2_PACKAGE_PROJ),y)
+LIBOSMIUM_DEPENDENCIES += proj
+endif
+
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+LIBOSMIUM_DEPENDENCIES += zlib
+endif
+
+$(eval $(cmake-package))