1OLD_LIBC_INSTALL_PATH=$(ROOT_PATH)/bin/sysroot/usr/old_libc 2 3all: main.o 4 5 $(LD) -b elf64-x86-64 -z muldefs -o $(tmp_output_dir)/test_signal $(shell find . -name "*.o") $(OLD_LIBC_INSTALL_PATH)/lib/libc.a -T link.lds 6 7 $(OBJCOPY) -I elf64-x86-64 -R ".eh_frame" -R ".comment" -O elf64-x86-64 $(tmp_output_dir)/test_signal $(output_dir)/test_signal.elf 8main.o: main.c 9 $(CC) $(CFLAGS) -c main.c -o main.o 10