If I "make u-boot_clean" at the top of the EZSDK and then "make u-boot", the build succeeds. However, if I execute a second "make u-boot", the following error occurs:
make[2]: Leaving directory `/home/user/ti-ezsdk_dm814x-evm_5_04_00_11/board-support/u-boot-2010.06-psp04.04.00.01/board/ti/ti8148'
make -C board/ti/ti8148/ u-boot.lds
make[2]: Entering directory `/home/user/ti-ezsdk_dm814x-evm_5_04_00_11/board-support/u-boot-2010.06-psp04.04.00.01/board/ti/ti8148'
make[2]: Nothing to be done for `u-boot.lds'.
make[2]: Leaving directory `/home/user/ti-ezsdk_dm814x-evm_5_04_00_11/board-support/u-boot-2010.06-psp04.04.00.01/board/ti/ti8148'
UNDEF_SYM=`/home/user/CodeSourcery/Sourcery_G++_Lite//bin/arm-none-linux-gnueabi-objdump -x board/ti/ti8148/libti8148.a lib/libgeneric.a lib/lzma/liblzma.a lib/lzo/liblzo.a arch/arm/cpu/arm_cortexa8/libarm_cortexa8.a arch/arm/cpu/arm_cortexa8/ti81xx/libti81xx.a arch/arm/lib/libarm.a fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a fs/yaffs2/libyaffs2.a fs/ubifs/libubifs.a net/libnet.a disk/libdisk.a drivers/bios_emulator/libatibiosemu.a drivers/block/libblock.a drivers/dma/libdma.a drivers/fpga/libfpga.a drivers/gpio/libgpio.a drivers/hwmon/libhwmon.a drivers/i2c/libi2c.a drivers/input/libinput.a drivers/misc/libmisc.a drivers/mmc/libmmc.a drivers/mtd/libmtd.a drivers/mtd/nand/libnand.a drivers/mtd/onenand/libonenand.a drivers/mtd/ubi/libubi.a drivers/mtd/spi/libspi_flash.a drivers/net/libnet.a drivers/net/phy/libphy.a drivers/pci/libpci.a drivers/pcmcia/libpcmcia.a drivers/power/libpower.a drivers/spi/libspi.a drivers/rtc/librtc.a drivers/serial/libserial.a drivers/twserial/libtws.a drivers/usb/gadget/libusb_gadget.a drivers/usb/host/libusb_host.a drivers/usb/musb/libusb_musb.a drivers/usb/phy/libusb_phy.a drivers/video/libvideo.a drivers/watchdog/libwatchdog.a common/libcommon.a lib/libfdt/libfdt.a api/libapi.a post/libpost.a | sed -n -e 's/.*\(__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`; cd /home/user/ti-ezsdk_dm814x-evm_5_04_00_11/board-support/u-boot-2010.06-psp04.04.00.01 && /home/user/CodeSourcery/Sourcery_G++_Lite//bin/arm-none-linux-gnueabi-ld -Bstatic -T u-boot.lds -Ttext 0x80700000 $UNDEF_SYM arch/arm/cpu/arm_cortexa8/start.o --start-group lib/libgeneric.a lib/lzma/liblzma.a lib/lzo/liblzo.a arch/arm/cpu/arm_cortexa8/libarm_cortexa8.a arch/arm/cpu/arm_cortexa8/ti81xx/libti81xx.a arch/arm/lib/libarm.a fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a fs/yaffs2/libyaffs2.a fs/ubifs/libubifs.a net/libnet.a disk/libdisk.a drivers/bios_emulator/libatibiosemu.a drivers/block/libblock.a drivers/dma/libdma.a drivers/fpga/libfpga.a drivers/gpio/libgpio.a drivers/hwmon/libhwmon.a drivers/i2c/libi2c.a drivers/input/libinput.a drivers/misc/libmisc.a drivers/mmc/libmmc.a drivers/mtd/libmtd.a drivers/mtd/nand/libnand.a drivers/mtd/onenand/libonenand.a drivers/mtd/ubi/libubi.a drivers/mtd/spi/libspi_flash.a drivers/net/libnet.a drivers/net/phy/libphy.a drivers/pci/libpci.a drivers/pcmcia/libpcmcia.a drivers/power/libpower.a drivers/spi/libspi.a drivers/rtc/librtc.a drivers/serial/libserial.a drivers/twserial/libtws.a drivers/usb/gadget/libusb_gadget.a drivers/usb/host/libusb_host.a drivers/usb/musb/libusb_musb.a drivers/usb/phy/libusb_phy.a drivers/video/libvideo.a drivers/watchdog/libwatchdog.a common/libcommon.a lib/libfdt/libfdt.a api/libapi.a post/libpost.a board/ti/ti8148/libti8148.a --end-group /home/user/ti-ezsdk_dm814x-evm_5_04_00_11/board-support/u-boot-2010.06-psp04.04.00.01/arch/arm/lib/eabi_compat.o -L /home/user/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3 -lgcc -Map u-boot.map -o u-boot
common/libcommon.a(hush.o): In function `run_list_real':
hush.c:(.text+0x1dbc): undefined reference to `do_bootd'
make[1]: *** [u-boot] Error 1
make[1]: Leaving directory `/home/user/ti-ezsdk_dm814x-evm_5_04_00_11/board-support/u-boot-2010.06-psp04.04.00.01'
make: *** [u-boot-min] Error 2
Any ideas?