Bump buidlroot version to 2018.02.6

bsp/buildroot/package/moarvm/Config.in

@@ -12,10 +12,12 @@ config BR2_PACKAGE_MOARVM
 	select BR2_PACKAGE_LIBATOMIC_OPS
 	# dyncall does not work on MIPS; libffi needs to be used.
 	# See: https://github.com/MoarVM/MoarVM/issues/222
-	select BR2_PACKAGE_LIBFFI if BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
+	# dyncall does not work also on powerpc64 and powerpc64le
+	select BR2_PACKAGE_LIBFFI if BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el || BR2_powerpc64 || BR2_powerpc64le
 	help
-	  Short for "Metamodel On A Runtime", MoarVM is a virtual machine
-	  built especially for Rakudo Perl 6 and the NQP Compiler Toolchain.
+	  Short for "Metamodel On A Runtime", MoarVM is a virtual
+	  machine built especially for Rakudo Perl 6 and the NQP
+	  Compiler Toolchain.
 
 	  http://moarvm.com
 

bsp/buildroot/package/moarvm/moarvm.hash

@@ -1,2 +1,2 @@
 # Locally computed
-sha256 2074693a42a7f31218bf69b70fd5b73d6fd1a1d0e31eaf3f528e204963e94c53  MoarVM-2017.01.tar.gz
+sha256 7cb9b7a871b14ac9b6cddc57e646d277177c4b3b21220e6fbc204084a15a4e41  MoarVM-2017.05.tar.gz

bsp/buildroot/package/moarvm/moarvm.mk

@@ -4,13 +4,13 @@
 #
 ################################################################################
 
-MOARVM_VERSION = 2017.01
+MOARVM_VERSION = 2017.05
 MOARVM_SITE = http://moarvm.com/releases
 MOARVM_SOURCE = MoarVM-$(MOARVM_VERSION).tar.gz
 MOARVM_LICENSE = Artistic-2.0
 MOARVM_LICENSE_FILES = Artistic2.txt
 MOARVM_INSTALL_STAGING = YES
-MOARVM_DEPENDENCIES = host-luajit host-pkgconf libuv libtommath libatomic_ops
+MOARVM_DEPENDENCIES = host-lua host-pkgconf libuv libtommath libatomic_ops
 
 MOARVM_CONF_OPTS = \
 	--build=$(GNU_HOST_NAME) \
@@ -20,7 +20,7 @@ MOARVM_CONF_OPTS = \
 	--ld="$(TARGET_CC)" \
 	--prefix="/usr" \
 	--pkgconfig=$(PKG_CONFIG_HOST_BINARY) \
-	--lua=$(HOST_DIR)/usr/bin/luajit \
+	--lua=$(HOST_DIR)/bin/lua \
 	--has-libuv \
 	--has-libtommath \
 	--has-libatomic