Create makefile

makefile

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+# Flag para alterar o padrão do compilador
+standart = -std=c++11
+
+# Flags para otimizar o arquivo executável
+optimize_flags = -O3 -pipe -flto
+
+# Flags para ativar todos os avisos do compilador
+warnings = -Wall -Wextra -Werror -Wshadow -Wformat=2 \
+	   -Wformat-overflow=2 -Wundef -Wconversion -fanalyzer -Wwrite-strings
+
+# Flags para depurar o código
+sanitize = -fsanitize=address,undefined,pointer-compare,pointer-subtract
+debug_flags = -ggdb3 -Og -DDEBUG -Wformat-truncation=2 $(sanitize)
+
+CC := /usr/bin/gcc
+CXX := /usr/bin/g++
+
+builddir := build
+objectname = sabp
+objectdir = $(builddir)/$(objectname)
+
+.PHONY: all debug
+
+all:set_flags compile
+
+debug:set_debug_flags compile
+
+compile:random.o sa.o
+	$(CXX) $(CPPFLAGS) $(builddir)/random.o $(builddir)/sa.o src/main.cpp -o $(objectdir)
+
+random.o:
+	$(CXX) $(CPPFLAGS) src/random.cpp -o $(builddir)/random.o -c
+
+sa.o:
+	$(CXX) $(CPPFLAGS) src/sa.cpp -o $(builddir)/sa.o -c
+
+set_flags:
+	$(eval override CPPFLAGS += $(warnings) $(optimize_flags) $(standart))
+
+set_debug_flags:
+	$(eval override CPPFLAGS += $(warnings) $(sanitize) $(debug_flags))
+
+clean:
+	rm -rf $(builddir)