zmq: Make 2 variants, refresh patches, fix C++ build issues

Signed-off-by: Ted Hess <thess@kitschensync.net>

libs/zmq/Makefile

@@ -18,9 +18,9 @@ PKG_LICENSE_FILES:=LICENCE.txt
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:= http://download.zeromq.org
-PKG_MD5SUM:=73c39f5eb01b9d7eaf74a5d899f1d03d
+PKG_MD5SUM:=0a4b44aa085644f25c177f79dc13f253
 
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
 PKG_BUILD_DEPENDS:=libuuid
 
 PKG_FIXUP:=autoreconf
@@ -31,26 +31,34 @@ PKG_INSTALL:=1
 include $(INCLUDE_DIR)/uclibc++.mk
 include $(INCLUDE_DIR)/package.mk
 
-define Package/libzmq
+define Package/libzmq/default
   TITLE:=ZeroMQ - Message Queue engine
   URL:=http://www.zeromq.org/
   SECTION:=libs
   CATEGORY:=Libraries
-  DEPENDS:=+libuuid +libpthread +librt +PACKAGE_libsodium:libsodium $(CXX_DEPENDS)
-  MENU:=1
+  DEPENDS:=+libuuid +libpthread +librt $(CXX_DEPENDS)
+  PROVIDES:=libzmq
 endef
 
-define Package/libzmq/config
- config LIBZMQ_CURVEZMQ
-	bool "Include support for CurveZMQ security"
-	depends on PACKAGE_libzmq
-	default y
-	select PACKAGE_libsodium
+define Package/libzmq-nc
+  $(call Package/libzmq/default)
+  VARIANT:=nc
 endef
 
-define Package/libzmq/description
+define Package/libzmq-curve
+  $(call Package/libzmq/default)
+  VARIANT:=curve
+  TITLE+= (CurveZMQ)
+  DEPENDS+=+libsodium 
+endef
+
+define Package/libzmq-nc/description
  This package contains the ZeroMQ messaging engine shared library.
- CurveZMQ security protocols are optional using libsodium.
+endef
+
+define Package/libzmq-curve/description
+ $(call Package/libzmq-nc/description)
+ Includes CurveZMQ security by libsodium.
 endef
 
 # add extra configure flags here
@@ -58,15 +66,12 @@ CONFIGURE_ARGS += \
 	--enable-static \
 	--enable-shared
 
-ifneq ($(CONFIG_PACKAGE_libsodium),)
+ifeq ($(BUILD_VARIANT),curve)
   CONFIGURE_ARGS+= --with-libsodium
 else
   CONFIGURE_ARGS+= --without-libsodium
 endif
 
-# add make variable overrides here
-MAKE_FLAGS +=
-
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/zmq.h $(1)/usr/include
@@ -77,9 +82,12 @@ define Build/InstallDev
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libzmq.pc $(1)/usr/lib/pkgconfig/
 endef
 
-define Package/libzmq/install
+define Package/libzmq-nc/install
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libzmq.so.* $(1)/usr/lib/
 endef
 
-$(eval $(call BuildPackage,libzmq))
+Package/libzmq-curve/install=$(Package/libzmq-nc/install)
+
+$(eval $(call BuildPackage,libzmq-nc))
+$(eval $(call BuildPackage,libzmq-curve))