Add buildroot 2018-02

buildroot/package/lightning/Config.in

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+comment "lightning needs a toolchain w/ dynamic library"
+	depends on BR2_sparc || BR2_i386 || BR2_x86_64 || BR2_mips || \
+		BR2_mipsel || BR2_arm || BR2_powerpc
+	depends on BR2_STATIC_LIBS
+
+config BR2_PACKAGE_LIGHTNING
+	bool "lightning"
+	depends on BR2_sparc || BR2_i386 || BR2_x86_64 || BR2_mips || \
+		BR2_mipsel || BR2_arm || BR2_powerpc
+	depends on !BR2_STATIC_LIBS
+	help
+	  GNU lightning is a library that generates
+	  assembly language code at run-time.
+
+	  https://www.gnu.org/software/lightning/
+
+if BR2_PACKAGE_LIGHTNING
+
+config BR2_PACKAGE_LIGHTNING_DISASSEMBLER
+	bool "enable disassembler"
+	depends on !BR2_nios2 # binutils
+	depends on BR2_USE_WCHAR # binutils
+	select BR2_PACKAGE_BINUTILS
+	select BR2_PACKAGE_ZLIB
+	help
+	  Enable the GNU lightning disassembler.
+
+comment "lightning disassembler needs a toolchain w/ wchar"
+	depends on !BR2_nios2
+	depends on !BR2_USE_WCHAR
+
+endif

buildroot/package/lightning/lightning.hash

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+# Locally computed
+sha256	9b289ed1c977602f9282da507db2e980dcfb5207ee8bd2501536a6852a157a69	lightning-2.1.2.tar.gz
+sha256	a853c2ffec17057872340eee242ae4d96cbf2b520ae27d903e1b2fef1a5f9d1c	COPYING.LESSER

buildroot/package/lightning/lightning.mk

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+################################################################################
+#
+# lightning
+#
+################################################################################
+
+LIGHTNING_VERSION = 2.1.2
+LIGHTNING_SITE = $(BR2_GNU_MIRROR)/lightning
+LIGHTNING_LICENSE = LGPL-3.0+
+LIGHTNING_LICENSE_FILES = COPYING.LESSER
+LIGHTNING_INSTALL_STAGING = YES
+
+ifeq ($(BR2_PACKAGE_LIGHTNING_DISASSEMBLER),y)
+LIGHTNING_DEPENDENCIES += binutils zlib
+LIGHTNING_CONF_OPTS += --enable-disassembler
+endif
+
+$(eval $(autotools-package))