First version of a makefile

Change-Id: I8e5d225d62843ef2e13efd78de8170541a8d2c03

makefile

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+###############################################################################
+#
+# Solver component
+#
+# The NebulOuS solver consists of several interacting actors using the AMQ
+# interface of the Theron++ framework. 
+#
+# Author and Copyright: Geir Horn, University of Oslo
+# Contact: Geir.Horn@mn.uio.no
+# License: MPL2.0 (https://www.mozilla.org/en-US/MPL/2.0/)
+###############################################################################
+
+#
+# Defining compiler and commands
+#
+
+CC = g++
+#CC = clang++
+RM = rm -f
+
+# Location of the Theron++ framework relative to this make file and the code
+
+THERON = /home/GHo/Documents/Code/Theron++
+
+# Optimisation -O3 is the highest level of optimisation and should be used 
+# with production code. -Og is the code optimising and offering debugging 
+# transparency and should be use while the code is under development
+
+OPTIMISATION_FLAG = -Og
+
+# It is useful to let the compiler generate the dependencies for the various 
+# files, and the following will produce .d files that can be included at the 
+# end. The -MMD flag is equivalent with -MD, but the latter will include system 
+# headers in the output (which we do not need here). The -MP includes an 
+# empty rule to create the dependencies so that make would not create any errors 
+# if the file name changes.
+
+DEPENDENCY_FLAGS = -MMD -MP
+
+# Options 
+
+GENERAL_OPTIONS = -Wall -std=c++23 -ggdb -D_DEBUG
+INCLUDE_DIRECTORIES = -I. -I/usr/include -I$(THERON)
+
+CXXFLAGS = $(GENERAL_OPTIONS) $(INCLUDE_DIRECTORIES) $(DEPENDENCY_FLAGS) \
+		   $(OPTIMISATION_FLAG)
+
+# Putting it together as the actual options given to the compiler and the 
+# linker. Note that pthread is needed on Linux systems since it seems to 
+# be the underlying implementation of std::thread. Note that it is 
+# necessary to use the "gold" linker as the standard linker requires 
+# the object files in the right order, which is hard to ensure with 
+# an archive, and the "gold" linker manages this just fine, but it 
+# requires the full static path to the custom Theron library.
+
+CFLAGS = $(DEPENDENCY_FLAGS) $(OPTIMISATION_FLAG) $(GENERAL_OPTIONS)
+LDFLAGS = -fuse-ld=gold -ggdb -D_DEBUG -pthread -l$(THERON)/Theron++.a \
+		  -lqpid-proton-cpp
+
+#------------------------------------------------------------------------------
+# Theron library
+#------------------------------------------------------------------------------
+#
+# The Theron++ library must be built first and the following two targets 
+# ensures that Make will check if the libray is up-to-date or build it if 
+# it is not.
+
+.PHONY: $(THERON)/Theron++.a 
+
+ $(THERON)/Theron++.a:
+	 make -C $(THERON) Library
+
+#------------------------------------------------------------------------------
+# Solver actors
+#------------------------------------------------------------------------------
+#
+# The compiled object files and their dependencies will be stored in a separate
+# directory
+
+OBJECTS_DIR = Bin
+
+# Listing the actors' source files and expected object files
+
+SOLVER_SOURCE = $(wildcard *.cpp)
+SOLVER_OBJECTS = $(addprefix $(OBJECTS_DIR)/, $(SOLVER_SOURCE:.cpp=.o)
+
+# Since all source files are in the same directory as the make file and the
+# component's objective file, they can be built by a general rule
+
+$(OBJECTS_DIR)/%.o : %.cpp
+	$(CXX) $(CXXFLAGS) $< -o $@ $(INCLUDE_DIRECTORIES)
+
+#------------------------------------------------------------------------------
+# Solver component
+#------------------------------------------------------------------------------
+#
+# The solver component uses the CxxOpts class for parsing the command line 
+# options since it is header only and lighter than the Options library of 
+# boost, which seems to have lost the most recent C++ features. The CxxOpts
+# library can be cloned from https://github.com/jarro2783/cxxopts
+
+CxxOpts_DIR = /home/GHo/Documents/Code/CxxOpts/include
+
+# The only real target is to build the solver component whenever some of 
+# the object files or the solver actors.
+
+SolverComponent: SolverComponent.cpp $(SOLVER_OBJECTS) $(THERON)/Theron++.a
+	$(CXX) SolverComponent.cpp -o SolverComponent $(CXXFLAGS) \
+	-I$(CxxOpts_DIR) $(LDFLAGS)
+