Initial commit

makefile

@@ -0,0 +1,71 @@
+#!/usr/bin/make -f
+
+# Target architecture for compilation
+ARCH = native
+
+# Optimization level
+O = 2
+
+# Flags for the compiler
+# gnu11 to have clock_gettime because that is not strictly in c11
+FLAGS  = -std=gnu11
+FLAGS += -O$(O)
+FLAGS += -march=$(ARCH)
+# Only override gcc default tuning if specified in make command line
+ifneq (, $(TUNE))
+	FLAGS += -mtune=$(TUNE)
+endif
+FLAGS += -pedantic
+FLAGS += -Wall
+FLAGS += -Wextra
+#FLAGS += -Werror
+#FLAGS += -Wconversion
+FLAGS += -Wmissing-prototypes
+FLAGS += -Wlogical-op
+FLAGS += -Wdisabled-optimization
+#FLAGS += -fanalyzer
+FLAGS += -flto
+FLAGS += -s
+FLAGS += -Wl,--gc-sections
+
+# Libraries used
+FLAGS += -lgmp
+FLAGS += -lrt
+
+# Directories where .o files and excecutables will be placed
+OBJDIR = obj
+OUTDIR = out
+
+MAIN = count
+
+# C compiler
+CC = cc
+
+.NOTINTERMEDIATE:
+
+# Messages to print during different steps in making
+MSG_LINKING = Linking:
+MSG_COMPILING = Compiling C:
+MSG_CLEANING = Cleaning:
+MSG_CLEANING_OBJ = Cleaning $(OBJDIR):
+MSG_CLEANING_OUT = Cleaning $(OUTDIR):
+
+# Compile and run the default UI target
+run: run_count
+
+run_%: $(OUTDIR)/%.elf
+	./$^ 4
+
+# Compile the final excecutable
+$(OUTDIR)/%.elf: %.c
+	@echo $(MSG_LINKING) $@
+	@mkdir -p $(@D)
+	$(CC) $(FLAGS) -o $@ $^
+
+# Remove all compilation output and intermediate files
+clean:
+	@echo $(MSG_CLEANING)
+	@echo $(MSG_CLEANING_OBJ)
+	rm -f $(OBJDIR)/*.o
+	@echo $(MSG_CLEANING_OUT)
+	rm -f $(OUTDIR)/*.elf