deb: fix build

Author: igagis

build/debian/rules

@@ -16,3 +16,18 @@ export DEB_OBJCXXFLAGS_MAINT_APPEND := $(debug_prefix_map_arg)
 
 %:
 	dh $@
+
+override_dh_auto_build:
+	dh_auto_build --buildsystem=makefile -- --directory=..
+	@echo ""
+	@echo "|========== build debug version of the library ==========|"
+	@echo ""
+	dh_auto_build --buildsystem=makefile -- --directory=../src config=dbg
+
+override_dh_auto_install:
+	dh_auto_install --buildsystem=makefile -- --directory=../
+	dh_auto_install --buildsystem=makefile -- --directory=../src config=dbg
+
+override_dh_auto_clean:
+	dh_auto_clean --buildsystem=makefile -- --directory=../
+	dh_auto_clean --buildsystem=makefile -- --directory=../src config=dbg