package/cannelloni: bump to version 2.0.0

For change log, see:

https://github.com/mguentner/cannelloni/releases/tag/v2.0.0

Bump GCC to at least GCC 8 due to the C++20 requirement.

Add TCP protocol to the package's description.

This release also raise cmake version requirement to 3.15, which fixes
build failures with host-cmake >= 4.x.

Fixes:
https://autobuild.buildroot.org/results/87d5ab39a84c51f340875ae365d4f39439e81645/

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
[Julien: add a commit log comment about fixes with host-cmake 4]
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/cannelloni/Config.in

@@ -1,17 +1,17 @@
 config BR2_PACKAGE_CANNELLONI
 	bool "cannelloni"
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_8 # C++20
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # lksctp-tools
 	depends on BR2_TOOLCHAIN_HAS_THREADS # lksctp-tools
 	depends on !BR2_STATIC_LIBS # lksctp-tools
 	help
-	  A SocketCAN over Ethernet tunnel. The tunnel supports both
+	  A SocketCAN over Ethernet tunnel. The tunnel supports TCP,
 	  UDP and SCTP protocols.
 
 	  https://github.com/mguentner/cannelloni
 
-comment "cannelloni needs a toolchain w/ C++, threads, dynamic library, gcc >= 4.8"
+comment "cannelloni needs a toolchain w/ C++, threads, dynamic library, gcc >= 8"
 	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 || !BR2_TOOLCHAIN_HAS_THREADS
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_8 || !BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_MMU

package/cannelloni/cannelloni.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  de44b7e327fbf38883f46e51a5afd07de5144f2e44c5f42b7f2f0741165f0b13  cannelloni-1.0.0.tar.gz
+sha256  3dde63727549d4a39154e78b95f4a5dad96af236ca6cef531f347c0b923c74d5  cannelloni-2.0.0.tar.gz
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  gpl-2.0.txt

package/cannelloni/cannelloni.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-CANNELLONI_VERSION = 1.0.0
+CANNELLONI_VERSION = 2.0.0
 CANNELLONI_SITE = $(call github,mguentner,cannelloni,v$(CANNELLONI_VERSION))
 CANNELLONI_LICENSE = GPL-2.0
 CANNELLONI_LICENSE_FILES = gpl-2.0.txt