Bump buildroot to 2019.02

bsp/buildroot/package/zeromq/zeromq.mk

@@ -4,15 +4,13 @@
 #
 ################################################################################
 
-ZEROMQ_VERSION = 4.1.6
-ZEROMQ_SITE = https://github.com/zeromq/zeromq4-1/releases/download/v$(ZEROMQ_VERSION)
+ZEROMQ_VERSION = 4.3.1
+ZEROMQ_SITE = https://github.com/zeromq/libzmq/releases/download/v$(ZEROMQ_VERSION)
 ZEROMQ_INSTALL_STAGING = YES
 ZEROMQ_DEPENDENCIES = util-linux
 ZEROMQ_CONF_OPTS = --without-documentation
 ZEROMQ_LICENSE = LGPL-3.0+ with exceptions
 ZEROMQ_LICENSE_FILES = COPYING COPYING.LESSER
-# For 0001-acinclude.m4-make-kernel-specific-flags-cacheable.patch
-ZEROMQ_AUTORECONF = YES
 
 # Assume these flags are always available. It is true, at least for
 # SOCK_CLOEXEC, since linux v2.6.27.
@@ -23,6 +21,12 @@ ZEROMQ_CONF_ENV = libzmq_cv_sock_cloexec=yes \
 	libzmq_cv_tcp_keepidle=yes \
 	libzmq_cv_tcp_keepintvl=yes
 
+# Internal error, aborting at dwarf2cfi.c:2752 in connect_traces
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58864
+ifeq ($(BR2_m68k_cf),y)
+ZEROMQ_CONF_OPTS += CXXFLAGS="$(TARGET_CXXFLAGS) -fno-defer-pop"
+endif
+
 # Only tools/curve_keygen.c needs this, but it doesn't hurt to pass it
 # for the rest of the build as well (which automatically includes stdc++).
 ifeq ($(BR2_STATIC_LIBS),y)
@@ -43,6 +47,12 @@ else
 ZEROMQ_CONF_OPTS += --without-pgm
 endif
 
+ifeq ($(BR2_PACKAGE_ZEROMQ_DRAFTS),y)
+ZEROMQ_CONF_OPTS += --enable-drafts
+else
+ZEROMQ_CONF_OPTS += --disable-drafts
+endif
+
 # ZeroMQ uses libsodium if it's available.
 ifeq ($(BR2_PACKAGE_LIBSODIUM),y)
 ZEROMQ_DEPENDENCIES += libsodium
@@ -51,4 +61,11 @@ else
 ZEROMQ_CONF_OPTS += --without-libsodium
 endif
 
+ifeq ($(BR2_PACKAGE_LIBUNWIND),y)
+ZEROMQ_DEPENDENCIES += libunwind
+ZEROMQ_CONF_OPTS += --enable-libunwind
+else
+ZEROMQ_CONF_OPTS += --disable-libunwind
+endif
+
 $(eval $(autotools-package))