Bump buidlroot version to 2018.02.6

bsp/buildroot/package/libzlib/libzlib.hash

@@ -0,0 +1,4 @@
+# From http://www.zlib.net/
+sha256 4ff941449631ace0d4d203e3483be9dbc9da454084111f97ea0a2114e19bf066  zlib-1.2.11.tar.xz
+# License files, locally calculated
+sha256 7960b6b1cc63e619abb77acaea5427159605afee8c8b362664f4effc7d7f7d15  README

bsp/buildroot/package/libzlib/libzlib.mk

@@ -0,0 +1,78 @@
+################################################################################
+#
+# libzlib
+#
+################################################################################
+
+LIBZLIB_VERSION = 1.2.11
+LIBZLIB_SOURCE = zlib-$(LIBZLIB_VERSION).tar.xz
+LIBZLIB_SITE = http://www.zlib.net
+LIBZLIB_LICENSE = Zlib
+LIBZLIB_LICENSE_FILES = README
+LIBZLIB_INSTALL_STAGING = YES
+LIBZLIB_PROVIDES = zlib
+
+# It is not possible to build only a shared version of zlib, so we build both
+# shared and static, unless we only want the static libs, and we eventually
+# selectively remove what we do not want
+ifeq ($(BR2_STATIC_LIBS),y)
+LIBZLIB_PIC =
+LIBZLIB_SHARED = --static
+else
+LIBZLIB_PIC = -fPIC
+LIBZLIB_SHARED = --shared
+endif
+
+define LIBZLIB_CONFIGURE_CMDS
+	(cd $(@D); rm -rf config.cache; \
+		$(TARGET_CONFIGURE_ARGS) \
+		$(TARGET_CONFIGURE_OPTS) \
+		CFLAGS="$(TARGET_CFLAGS) $(LIBZLIB_PIC)" \
+		./configure \
+		$(LIBZLIB_SHARED) \
+		--prefix=/usr \
+	)
+endef
+
+define HOST_LIBZLIB_CONFIGURE_CMDS
+	(cd $(@D); rm -rf config.cache; \
+		$(HOST_CONFIGURE_ARGS) \
+		$(HOST_CONFIGURE_OPTS) \
+		./configure \
+		--prefix="$(HOST_DIR)" \
+		--sysconfdir="$(HOST_DIR)/etc" \
+	)
+endef
+
+define LIBZLIB_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D)
+endef
+
+define HOST_LIBZLIB_BUILD_CMDS
+	$(HOST_MAKE_ENV) $(MAKE1) -C $(@D)
+endef
+
+define LIBZLIB_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) DESTDIR=$(STAGING_DIR) LDCONFIG=true install
+endef
+
+define LIBZLIB_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) DESTDIR=$(TARGET_DIR) LDCONFIG=true install
+endef
+
+# We don't care removing the .a from target, since it not used at link
+# time to build other packages, and it is anyway removed later before
+# assembling the filesystem images anyway.
+ifeq ($(BR2_SHARED_LIBS),y)
+define LIBZLIB_RM_STATIC_STAGING
+	rm -f $(STAGING_DIR)/usr/lib/libz.a
+endef
+LIBZLIB_POST_INSTALL_STAGING_HOOKS += LIBZLIB_RM_STATIC_STAGING
+endif
+
+define HOST_LIBZLIB_INSTALL_CMDS
+	$(HOST_MAKE_ENV) $(MAKE1) -C $(@D) LDCONFIG=true install
+endef
+
+$(eval $(generic-package))
+$(eval $(host-generic-package))