Initial

makefile

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+# Compiler and assembler
+CC = 		gcc
+AS = 		as
+LD = 		ld
+OBJDUMP = 	objdump
+SIZE = 		size
+
+CFLAGS += -std=c2x
+CFLAGS += -Wall
+CFLAGS += -Wextra
+CFLAGS += -Werror
+CFLAGS += -Wno-unused-parameter
+CFLAGS += -Wno-unused-variable
+CFLAGS += -Wno-unused-function
+CFLAGS += -Wno-unused-but-set-variable
+CFLAGS += -Wno-unused-value
+CFLAGS += -Wno-unused-label
+CFLAGS += -Wno-unused-result
+CFLAGS += -Wno-unused-local-typedefs
+CFLAGS += -Wno-unused-const-variable
+CFLAGS += -Wno-unused-macros
+CFLAGS += -O3
+CFLAGS += -g
+
+# Specify the target binary (call it whatever)
+TARGET = build/bin.elf
+TARGET_TAR = $(TARGET).tar.zst
+TARGET_SIG = $(TARGET_TAR).minisig
+
+SRCS := $(wildcard src/*.c)
+
+# Specify the object files in the build directory
+OBJS := $(patsubst src/%.c,build/%.o,$(SRCS))
+
+all : $(TARGET)
+
+release : $(TARGET)
+	@strip $(TARGET)
+	@upx -q --force-overwrite $(TARGET) -o $(TARGET).upx > /dev/null
+	@minisign -Sm $(TARGET)
+	@tar --zstd -cvf $(TARGET).tar.zst $(TARGET) $(TARGET).minisig 1>/dev/null
+	@zip $(TARGET).zip $(TARGET) $(TARGET).minisig 1>/dev/null
+	@7za a $(TARGET).7z $(TARGET) $(TARGET).minisig 1>/dev/null
+
+# For convenience
+run : $(TARGET)
+	@./$(TARGET)
+
+mkbuilddir: 
+	@mkdir -p build
+
+# Link the object files into the target binary
+$(TARGET) : $(OBJS)
+	@$(CC) $(CFLAGS) -o $@ $^
+	@echo -e "LD \t$^"
+
+# Compile the source files into object files
+build/%.o : src/%.c | mkbuilddir
+	@$(CC) $(CFLAGS) -c -o $@ $< || (rm -f $@ && exit 1)
+	@echo -e "CC \t$<"
+
+# Print the size of the target binary
+size : $(TARGET)
+	$(SIZE) $(TARGET)
+
+# Clean up the build directory
+clean :
+	rm -r build
+	rm -f build/*.o
+	rm -f $(TARGET)*
+
+# Create a signed release
+tar: $(TARGET_TAR) $(TARGET_SIG)
+
+$(TARGET_SIG): $(TARGET_TAR)
+	minisign -Sm $<
+
+$(TARGET_TAR): $(TARGET)
+	strip $<
+	tar --zstd -cvf $@ $<
+
+.PHONY : all clean size mkbuilddir run gdb

src/main.c

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+#include <stdio.h>
+
+int main(int argc, const char **argv) {
+    printf("Hello, World!\n");
+    return 0;
+}