From 6a33ed497645e5934173b0527a41fee12c28aea2 Mon Sep 17 00:00:00 2001 From: Christos Choutouridis Date: Sat, 2 Jan 2021 11:12:27 +0200 Subject: [PATCH] Init commit --- .gitignore | 10 +++ Makefile | 182 +++++++++++++++++++++++++++++++++++++++++++++++++++ src/main.cpp | 17 +++++ 3 files changed, 209 insertions(+) create mode 100644 .gitignore create mode 100644 Makefile create mode 100644 src/main.cpp diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e309908 --- /dev/null +++ b/.gitignore @@ -0,0 +1,10 @@ +# project +bin/ +out/ + +# hpc related + +# eclipse +.project +.cproject +.settings/ diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..cf760eb --- /dev/null +++ b/Makefile @@ -0,0 +1,182 @@ +# +# Makefile for C++ +# +# Copyright (C) 2019-2020 Christos Choutouridis +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as +# published by the Free Software Foundation, either version 3 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this program. If not, see . +# + +# ============== Project settings ============== +# Project's name +PROJECT := kNN +# Excecutable's name +TARGET := knn +# Source directories list(space seperated). Makefile-relative path, UNDER current directory. +# Note: To support parent relative paths uncomment abspath line in main body below +SRC_DIR_LIST := src +# Include directories list(space seperated). Makefile-relative path. +INC_DIR_LIST := inc +# Exclude files list(space seperated). Filenames only. +# EXC_FILE_LIST := bad.cpp old.cpp + +# Build directories +BUILD_DIR := bin +OBJ_DIR := $(BUILD_DIR)/obj +DEP_DIR := $(BUILD_DIR)/.dep + + +# ========== Compiler settings ========== +# Compiler flags for debug and release +DEB_CFLAGS := -DDEBUG -g3 -Wall -Wextra +REL_CFLAGS := -Wall -Wextra -O2 +# Pre-defines +# PRE_DEFS := MYCAB=1729 SUPER_MODE + +# ============== Linker settings ============== +# Linker flags (example: -pthread -lm) +LDFLAGS := +# Map output file +MAP_FILE := output.map +MAP_FLAG := -Xlinker -Map=$(BUILD_DIR)/$(MAP_FILE) + +# ============== Docker settings ============== +# We need: +# - Bind the entire project directory(the dir that icludes all the code) as volume. +# - In docker instance, change to working directory(where the makefile is). +DOCKER_VOL_DIR := $${PWD} +DOCKER_WRK_DIR := +DOCKER_RUN := docker run +DOCKER_FLAGS := --rm -v $(DOCKER_VOL_DIR):/usr/src/$(PROJECT) -w /usr/src/$(PROJECT)/$(DOCKER_WRK_DIR) + +# docker invoke mechanism (edit with care) +# note: +# Here, `DOCKER` variable is empty. Rules can assign `DOCKER := DOCKER_CMD` when docker +# functionality is needed. +DOCKER_CMD = $(DOCKER_RUN) $(DOCKER_FLAGS) $(IMAGE) +DOCKER := + +# ============== Tool selection ============== +# compiler and compiler flags. +CSIZE := size +CFLAGS := $(DEB_CFLAGS) +CXX := g++ + + +# +# =========== Main body and Patterns =========== +# + +# Uncomment to support Win file extension for local builds +#ifeq ($(OS), Windows_NT) +# TARGET := $(TARGET).exe +#endif +INC := $(foreach dir,$(INC_DIR_LIST),-I$(dir)) +DEF := $(foreach def,$(PRE_DEFS),-D$(def)) +EXC := $(foreach fil,$(EXC_FILE_LIST), \ + $(foreach dir,$(SRC_DIR_LIST),$(wildcard $(dir)/$(fil))) \ + ) +# source files. object and dependencies list +# recursive search into current and source directories +SRC := $(wildcard *.cpp) +SRC += $(foreach dir,$(SRC_DIR_LIST),$(wildcard $(dir)/*.cpp)) +SRC += $(foreach dir,$(SRC_DIR_LIST),$(wildcard $(dir)/**/*.cpp)) +SRC := $(filter-out $(EXC),$(SRC)) +# Uncomment to support parent relative source paths +#SRC := $(abspath $(SRC)) + +OBJ := $(foreach file,$(SRC:%.cpp=%.o),$(OBJ_DIR)/$(file)) +DEP := $(foreach file,$(SRC:%.cpp=%.d),$(DEP_DIR)/$(file)) + + +# Make Dependencies pattern. +# This little trick enables recompilation only when dependencies change +# and it does so for changes both in source AND header files ;) +# +# It is based on Tom Tromey's method. +# +# Invoke cpp to create makefile rules with dependencies for each source file +$(DEP_DIR)/%.d: %.cpp + @mkdir -p $(@D) + @$(DOCKER) $(CXX) -E $(CFLAGS) $(INC) $(DEF) -MM -MT $(OBJ_DIR)/$(<:.cpp=.o) -MF $@ $< + +# objects depent on .cpp AND dependency files, which have an empty recipe +$(OBJ_DIR)/%.o: %.cpp $(DEP_DIR)/%.d + @mkdir -p $(@D) + $(DOCKER) $(CXX) -c $(CFLAGS) $(INC) $(DEF) -o $@ $< + +# empty recipe for dependency files. This prevents make errors +$(DEP): + +# now include all dependencies, after all they are makefile dependency rules ;) +include $(wildcard $(DEP)) + +# main target rule +$(BUILD_DIR)/$(TARGET): $(OBJ) + @mkdir -p $(@D) + @echo Linking to target: $(TARGET) + @echo $(DOCKER) $(CXX) $(LDFLAGS) $(MAP_FLAG) -o $(@D)/$(TARGET) '$$(OBJ)' + @$(DOCKER) $(CXX) $(LDFLAGS) $(MAP_FLAG) -o $(@D)/$(TARGET) $(OBJ) + @echo + @echo Print size information + @$(CSIZE) $(@D)/$(TARGET) + @echo Done + +.PHONY: clean +clean: + @echo Cleaning build directories + @rm -rf $(OBJ_DIR) + @rm -rf $(DEP_DIR) + @rm -rf $(BUILD_DIR) + + +# +# ================ Local build rules ================= +# Use cases: +# - local builds in terminal +# example: +# make debug +# - build inside container +# example in a yml: +# image: gcc:8 +# build: +# stage: build +# - make release +# ... etc +# test: +# stage: test +# - bin/out +# ... etc +# +debug: CFLAGS += $(DEB_FLAGS) +debug: $(BUILD_DIR)/$(TARGET) + +release: CFLAGS += $(REL_FLAGS) +release: $(BUILD_DIR)/$(TARGET) + +.PHONY: all +all: release + +# +# ================ Docker based rules ================ +# Use case: +# - build localy using via terminal or script in order +# to compile for various compilers, versions, etc... +# example in bash: +# #!/bin/bash +# for im in gcc:8 gcc:9 myImage; do +# make IMAGE="$im" dock +# done +# +dock: DOCKER := $(DOCKER_CMD) +dock: $(BUILD_DIR)/$(TARGET) diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..aa367ba --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,17 @@ +/* + * main.cpp + * + * Created on: Jan 2, 2021 + * Author: hoo2 + */ +#include + +int main () { + + std::cout << "Lets start!\n"; + + return 0; +} + + +