[U-Boot] Build breaks on some OMAP3 configs

[Gadiyar, Anand]

> Hi,
> 
> I was trying to build u-boot for omap3_3430sdp and
> omap3_zoom2, and the build fails with the error below.
> 
> I'm on commit f2b4bc0 from the master branch. I'm
> using CodeSourcery's 2008q3 toolchain.
> The commands I ran were:
> 
> make CROSS_COMPILE=arm-none-linux-gnueabi- 
> omap3_3430sdp_config; make CROSS_COMPILE=arm-none-linux-gnueabi-
> 
> Any ideas what I'm doing wrong?
> 
> make -C examples/standalone all
> make[1]: Entering directory `/data/git/denx-uboot/u-boot/examples/standalone'
> arm-none-linux-gnueabi-gcc -g  -Os   -fno-common -ffixed-r8 -msoft-float   -D__KERNEL__ -DTEXT_BASE=0x80e80000 -I/data/git/denx-uboot/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /data/arm-2008q3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/include -pipe  -DCONFIG_ARM -D__ARM__ -marm  -mabi=aapcs-linux -mno-thumb-interwork -march=armv5 -Wall -Wstrict-prototypes -fno-stack-protector -g  -Os   -fno-common -ffixed-r8 -msoft-float   -D__KERNEL__ -DTEXT_BASE=0x80e80000 -I/data/git/denx-uboot/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /data/arm-2008q3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/include -pipe  -DCONFIG_ARM -D__ARM__ -marm  -mabi=aapcs-linux -mno-thumb-interwork -march=armv5 -I.. -Bstatic -T u-boot.lds  -Ttext 0x80e80000     -o .c
> arm-none-linux-gnueabi-gcc: no input files
> make[1]: *** [.c] Error 1
> make[1]: Leaving directory `/data/git/denx-uboot/u-boot/examples/standalone'
> make: *** [examples/standalone] Error 2


I took a look at examples/standalone/Makefile:

The patch below gets things going again. So looks like something
clobbered $(ELF-y). Any ideas what it could be?

Thanks in advance,
Anand

diff --git a/examples/standalone/Makefile b/examples/standalone/Makefile
index 5e2f2bc..73b19e9 100644
--- a/examples/standalone/Makefile
+++ b/examples/standalone/Makefile
@@ -39,6 +39,7 @@ ELF-ppc                          += sched
 ELF-oxc                          += eepro100_eeprom
 
 ELF := $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU))
+ELF := hello_world
 SREC = $(addsuffix .srec,$(ELF))
 BIN  = $(addsuffix .bin,$(ELF))