add Makefiles & Makefile.conf, stolen from libpEpAdapter.

Makefile

@@ -0,0 +1,24 @@
+# Copyright 2021, pEp Foundation
+# This file is part of lib pEp Datatypes
+# This file may be used under the terms of the GNU General Public License version 3
+# see LICENSE
+
+.PHONY: src test install uninstall clean
+
+all: src
+
+src:
+	$(MAKE) -C src
+
+#test: src
+#	$(MAKE) -C test
+
+clean:
+	$(MAKE) -C src clean
+#	$(MAKE) -C test clean
+
+install:
+	$(MAKE) -C src install
+
+uninstall:
+	$(MAKE) -C src uninstall

Makefile.conf

@@ -0,0 +1,46 @@
+# Copyright 2021, pEp Foundation
+# This file is part of libpEpDatatypes
+# This file may be used under the terms of the GNU General Public License version 3
+# see LICENSE.txt
+
+HERE:=$(dir $(lastword $(MAKEFILE_LIST)))
+
+TARGET=libpEpDatatypes.a
+
+# Defaults
+DEBUG=1
+PREFIX?=$(HOME)
+ENGINE_LIB_PATH=$(PREFIX)/lib
+ENGINE_INC_PATH=$(PREFIX)/include
+
+CXXFLAGS+=-std=c++14 -fPIC
+
+# Build target
+BUILD_FOR:=$(shell uname)
+
+ifneq (,$(findstring g++,$(CXX)))
+    CXXFLAGS+=-fdiagnostics-color=always
+else ifneq (,$(findstring clang,$(CXX)))
+    CXXFLAGS+=-fcolor-diagnostics
+endif
+
+
+######### Overrides #########
+-include $(HERE)local.conf
+
+ifeq ($(DEBUG),1)
+    CXXFLAGS+=-g -O0
+else
+    CXXFLAGS+=-DNDEBUG=1 -O3
+endif
+
+# Add -L Prefixes to LIB/INC paths,
+# if not already explicitly set in local.conf
+ifndef ENGINE_LIB
+    ENGINE_LIB=-L$(ENGINE_LIB_PATH)
+endif
+ifndef ENGINE_INC
+    ENGINE_INC=-I$(ENGINE_INC_PATH)
+endif
+
+CXXFLAGS += $(ENGINE_INC)

src/Makefile

@@ -0,0 +1,37 @@
+# Copyright 2021, pEp Foundation
+# This file is part of lib pEp Datatypes
+# This file may be used under the terms of the GNU General Public License version 3
+# see LICENSE
+
+include ../Makefile.conf
+
+SOURCE=$(wildcard *.cc)
+HEADERS=$(wildcard *.hh *.hxx)
+OBJECTS=$(subst .cc,.o,$(SOURCE))
+DEPENDS=$(subst .cc,.d,$(SOURCE))
+CXXFLAGS+= -MMD -MP
+
+ifneq ($(MAKECMDGOALS),clean)
+    -include $(DEPENDS)
+endif
+
+.PHONY: install uninstall clean
+
+all: $(TARGET)
+
+$(TARGET): $(OBJECTS)
+	$(AR) -rc $@ $^
+
+clean:
+	rm -vf $(TARGET) $(OBJECTS) $(DEPENDS)
+	rm -f *.d.*
+
+install: $(TARGET)
+	mkdir -p $(PREFIX)/include/pEp
+	mkdir -p $(PREFIX)/lib
+	cp -v $(HEADERS) $(PREFIX)/include/pEp/
+	cp -v $(TARGET) $(PREFIX)/lib/
+
+uninstall:
+	cd $(PREFIX)/include/pEp && rm -vf $(HEADERS)
+	cd $(PREFIX)/lib && rm -vf $(TARGET)