源码编译不了

wjshan

编译提供的源码，提示这个错误，是怎么回事，麻烦帮忙看看，多谢



forlinx@ubuntu:~/imx8mm/OK8MM-linux-sdk$ make
=================================
Building the Linux Kernel
=================================
make -j  -C   LDFLAGS=
make[1]: *** LDFLAGS=: No such file or directory.  Stop.
Makefile:11: recipe for target 'linux' failed
make: *** [linux] Error 2
forlinx@ubuntu:~/imx8mm/OK8MM-linux-sdk$ cat Makefile
all: \
        linux linux_install \
        qt-examples qt-examples_install \
        cmd-examples cmd-examples_install \
        sdcard

clean: linux_clean  qt-examples_clean cmd-examples_clean

# Kernel build targets
linux:  
        @echo =================================
        @echo     Building the Linux Kernel
        @echo =================================
        $(MAKE) -j $(MAKE_JOBS) -C $(LINUXKERNEL_INSTALL_DIR) $(LINUX_DEFCONFIG) LDFLAGS=
        $(MAKE) -j $(MAKE_JOBS) -C $(LINUXKERNEL_INSTALL_DIR) LDFLAGS=
        install $(LINUXKERNEL_INSTALL_DIR)/arch/arm64/boot/Image $(SDK_PATH)/images/boot
        install $(LINUXKERNEL_INSTALL_DIR)/arch/arm64/boot/dts/freescale/ok8mm-evk.dtb $(SDK_PATH)/images/boot
        @if [ -e $(SDK_PATH)/images/boot.img ];then \
                rm $(SDK_PATH)/images/boot.img ; \
        fi
        mkfs.vfat -n "Boot imx8mmevk" -S 512 -C $(SDK_PATH)/images/boot.img 65536
        mcopy -i $(SDK_PATH)/images/boot.img -s $(SDK_PATH)/images/boot/Image ::/Image
        mcopy -i $(SDK_PATH)/images/boot.img -s $(SDK_PATH)/images/boot/ok8mm-evk.dtb ::/ok8mm-evk.dtb
        mcopy -i $(SDK_PATH)/images/boot.img -s $(SDK_PATH)/images/boot/logo.bmp ::/logo.bmp

L_S_H

这个是没有配置交叉编译工具