Adding gitignore, first steps : download the sources

.gitignore

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+gcc*/*
+binutils*/*
+gcc*
+binutils*

Makefile

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+#=----------------------------------------------------------------------------=#
+#                        OS/K CROSS COMPILER BUILDER                           #
+#                                                                              #
+#   Desc:   Project Makefile                                                   #
+#                                                                              #
+#                                                                              #
+#   Copyright © 2018-2020 The OS/K Team                                        #
+#                                                                              #
+#   This file is part of OS/K.                                                 #
+#                                                                              #
+#   OS/K is free software: you can redistribute it and/or modify               #
+#   it under the terms of the GNU General Public License as published by       #
+#   the Free Software Foundation, either version 3 of the License, or          #
+#   any later version.                                                         #
+#                                                                              #
+#   OS/K 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 General Public License for more details.                               #
+#                                                                              #
+#   You should have received a copy of the GNU General Public License          #
+#   along with OS/K.  If not, see <https://www.gnu.org/licenses/>.             #
+#=----------------------------------------------------------------------------=#
+
+.PHONY: retrieve compile showenv
+.DEFAULT_GOAL := compile
+
+
+## VERSIONS ------------------------------------------------------------------ #
+
+# GCC 10.1.0
+GCC_SOURCES = https://ftp.gnu.org/gnu/gcc/gcc-10.1.0/gcc-10.1.0.tar.xz
+# BINUTILS 2.34
+BINUTILS_SOURCES = https://ftp.gnu.org/gnu/binutils/binutils-2.34.tar.xz
+
+
+## VARIABLES ----------------------------------------------------------------- #
+
+#ENV
+export NTHREADS := ${nproc}
+export PREFIX := $(HOME)/opt/cross
+export TARGET := x86_64-elf
+export PATH := $(PREFIX)/bin:$(PATH)
+export XZ_DEFAULTS := -T $(NTHREADS)
+
+
+GCCTARNAME = gcc.tar.xz
+BINUTILSTARNAME = binutils.tar.xz
+GCCDIRNAME = gcc-src
+BINUTILSDIRNAME = binutils-src
+
+# Color codes
+CL='\033[0;32m'
+CL2='\033[1;36m'
+CL3='\033[0m'
+NC='\033[1;37m'
+
+
+## RECIPES ------------------------------------------------------------------- #
+
+showenv:
+	@echo Installation path prefix : $(PREFIX)
+	@echo Installation path : $(PATH)
+	@echo Target : $(TARGET)
+	@echo Thread number : $(NTHREADS)
+
+retrieve: showenv
+	@echo ${CL2}[$@] ${NC}Downloading GCC sources...${CL3}
+	@wget $(GCC_SOURCES) -O $(GCCTARNAME) -q -c --show-progress
+	@echo ${CL2}[$@] ${NC}Downloading BINUTILS sources...${CL3}
+	@wget $(BINUTILS_SOURCES) -O $(BINUTILSTARNAME) -q -c --show-progress
+	@echo ${CL2}[$@] ${CL}Success.${CL3}
+
+deflate:
+	@echo ${CL2}[$@] ${NC}Deflate GCC sources...${CL3}
+	@tar -xaf $(GCCTARNAME) --threads NTHREADS
+	@echo ${CL2}[$@] ${NC}Deflate BINUTILS sources...${CL3}
+	@tar -xaf $(BINUTILSTARNAME) --threads NTHREADS
+	@echo ${CL2}[$@] ${CL}Success.${CL3}
+
+compile: retrieve deflate
+	@echo ${CL2}[$@] ${CL}Success.${CL3}
+
+remove_all:
+	@rm -rf gcc*
+	@rm -rf binutils*
+	@echo ${CL2}[$@] ${CL}Success.${CL3}