initial buildroot for linux 5.15

package/libtorrent-rasterbar/Config.in

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+comment "libtorrent-rasterbar needs a toolchain w/ C++, threads, wchar, gcc >= 4.9"
+	depends on BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK
+	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_64735
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_USE_WCHAR || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+
+comment "libtorrent-rasterbar needs exception_ptr"
+	depends on BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK
+	depends on BR2_TOOLCHAIN_HAS_GCC_BUG_64735
+
+config BR2_PACKAGE_LIBTORRENT_RASTERBAR
+	bool "libtorrent-rasterbar"
+	depends on BR2_INSTALL_LIBSTDCPP # boost
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C++11
+	depends on BR2_TOOLCHAIN_HAS_THREADS # boost
+	depends on BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK
+	depends on BR2_USE_WCHAR # boost
+	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_64735 # exception_ptr
+	select BR2_PACKAGE_BOOST
+	select BR2_PACKAGE_BOOST_SYSTEM
+	select BR2_PACKAGE_OPENSSL
+	help
+	  libtorrent is a feature complete C++ bittorrent implementation
+	  focusing on efficiency and scalability.
+
+	  https://www.libtorrent.org/

package/libtorrent-rasterbar/libtorrent-rasterbar.hash

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+# Locally calculated
+sha256  c3744ac9fa41f6e6ebf79538a2ea678df76a2cbbaf3ac6ae2c05455314e5cce8  libtorrent-rasterbar-1.2.12.tar.gz
+sha256  f3a5dd1558cce616b12edad521427ec8976ce2bb0af33f7f359cfa648bf55ad8  COPYING

package/libtorrent-rasterbar/libtorrent-rasterbar.mk

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+################################################################################
+#
+# libtorrent-rasterbar
+#
+################################################################################
+
+LIBTORRENT_RASTERBAR_VERSION = 1.2.12
+LIBTORRENT_RASTERBAR_SITE = \
+	https://github.com/arvidn/libtorrent/releases/download/v$(LIBTORRENT_RASTERBAR_VERSION)
+LIBTORRENT_RASTERBAR_LICENSE = BSD-3-Clause
+LIBTORRENT_RASTERBAR_LICENSE_FILES = COPYING
+LIBTORRENT_RASTERBAR_CPE_ID_VENDOR = libtorrent
+LIBTORRENT_RASTERBAR_CPE_ID_PRODUCT = libtorrent
+LIBTORRENT_RASTERBAR_DEPENDENCIES = host-pkgconf boost openssl
+LIBTORRENT_RASTERBAR_INSTALL_STAGING = YES
+LIBTORRENT_RASTERBAR_CONF_OPTS = \
+	--with-boost-libdir=$(STAGING_DIR)/usr/lib \
+	--disable-invariant-checks
+LIBTORRENT_RASTERBAR_CXXFLAGS = $(TARGET_CXXFLAGS) -std=c++11
+
+# Internal error, aborting at dwarf2cfi.c:2802 in connect_traces
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58864
+ifeq ($(BR2_m68k_cf),y)
+LIBTORRENT_RASTERBAR_CXXFLAGS += -fno-defer-pop
+endif
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
+LIBTORRENT_RASTERBAR_CXXFLAGS += -O0
+endif
+
+LIBTORRENT_RASTERBAR_CONF_OPTS += CXXFLAGS="$(LIBTORRENT_RASTERBAR_CXXFLAGS)"
+
+ifeq ($(BR2_ENABLE_LOCALE)$(BR2_PACKAGE_LIBICONV),y)
+LIBTORRENT_RASTERBAR_DEPENDENCIES += $(if $(BR2_PACKAGE_LIBICONV),libiconv)
+LIBTORRENT_RASTERBAR_CONF_OPTS += --with-libiconv
+else
+LIBTORRENT_RASTERBAR_CONF_OPTS += --without-libiconv
+endif
+
+$(eval $(autotools-package))