OpenCV added to dependencies

- A rather large library for machine learning, data analysis, filtering
and so on, that will likely cover ALL use cases we will ever have for the
data analytics framework

Makefile

@@ -14,6 +14,7 @@ LIBUV_VERSION     = 1.24.0
 BACNET-STACK_VERSION = 0.8.6
 FREEIPMI_VERSION = 1.6.3
 NET-SNMP_VERSION = 5.8
+OPENCV_VERSION = 4.1.0
 
 BOOST_VERSION_U   = $(subst .,_,$(BOOST_VERSION))
 
@@ -25,8 +26,9 @@ DISTFILES =	apache-cassandra-$(CASSANDRA_VERSION).tar.gz;http://archive.apache.o
 		cpp-driver-$(CPPDRV_VERSION).tar.gz;https://github.com/datastax/cpp-driver/archive/$(CPPDRV_VERSION).tar.gz \
 		bacnet-stack-$(BACNET-STACK_VERSION).tgz;https://downloads.sourceforge.net/project/bacnet/bacnet-stack/bacnet-stack-$(BACNET-STACK_VERSION)/bacnet-stack-$(BACNET-STACK_VERSION).tgz \
         freeipmi-$(FREEIPMI_VERSION).tar.gz;http://ftp.gnu.org/gnu/freeipmi/freeipmi-$(FREEIPMI_VERSION).tar.gz \
-        net-snmp-$(NET-SNMP_VERSION).tar.gz;https://sourceforge.net/projects/net-snmp/files/net-snmp/$(NET-SNMP_VERSION)/net-snmp-$(NET-SNMP_VERSION).tar.gz/download
-    
+        net-snmp-$(NET-SNMP_VERSION).tar.gz;https://sourceforge.net/projects/net-snmp/files/net-snmp/$(NET-SNMP_VERSION)/net-snmp-$(NET-SNMP_VERSION).tar.gz/download \
+        opencv-$(OPENCV_VERSION).tar.gz;https://github.com/opencv/opencv/archive/$(OPENCV_VERSION).tar.gz
+
 DISTFILES_HASHES = apache-cassandra-3.0.18.tar.gz|94dbdaa58b366166c53f881b8e266bc8;\
                    mosquitto-1.5.5.tar.gz|a17dffc6f63b2a4ab2eb5c51139e60e9;\
                    boost_1_70_0.tar.gz|fea771fe8176828fabf9c09242ee8c26;\
@@ -35,7 +37,8 @@ DISTFILES_HASHES = apache-cassandra-3.0.18.tar.gz|94dbdaa58b366166c53f881b8e266b
                    libuv-v1.24.0.tar.gz|90320330757253b07404d2a97f59c66b;\
                    bacnet-stack-0.8.6.tgz|544ebd42ed959deb2213209b66bbc460;\
                    freeipmi-1.6.3.tar.gz|b2d97e20db9b81b460ce1b9dad5bf54e;\
-                   net-snmp-5.8.tar.gz|63bfc65fbb86cdb616598df1aff6458a
+                   net-snmp-5.8.tar.gz|63bfc65fbb86cdb616598df1aff6458a; \
+                   opencv-4.1.0.tar.gz|b80c59c7e4feee6a00608315e02b0b73;
 
 include common.mk
 
@@ -255,6 +258,17 @@ $(DCDBDEPSPATH)/net-snmp-$(NET-SNMP_VERSION)/.installed: $(DCDBDEPSPATH)/net-snm
 	@echo "Installing net-SNMP library..."
 	cd $(@D) && make install && touch $(@)
 	
+$(DCDBDEPSPATH)/opencv-$(OPENCV_VERSION)/.built: $(DCDBDEPSPATH)/opencv-$(OPENCV_VERSION)/.patched
+	@echo ""
+	@echo "Building OpenCV library..."
+	cd $(@D) && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$(DCDBDEPLOYPATH) -DINSTALL_C_EXAMPLES=OFF -DBUILD_EXAMPLES=OFF -DBUILD_LIST=core,dnn,features2d,flann,gapi,ml ..
+	cd $(@D) && cd build && make -j $(MAKETHREADS) && touch $(@)
+	
+$(DCDBDEPSPATH)/opencv-$(OPENCV_VERSION)/.installed: $(DCDBDEPSPATH)/opencv-$(OPENCV_VERSION)/.built | $(DCDBDEPLOYPATH)
+	@echo ""
+	@echo "Installing OpenCV library..."
+	cd $(@D) && cd build && make install && touch $(@)
+	
 %-build: deps 
 	@echo "Building $*"
 	@$(MAKE) -j $(MAKETHREADS) CC=$(CC) CXX=$(CXX) -C $*