Some versions of 'make' do not handle trailing white-spaces properly. Trailing spaces in ELF causes a 'fake' source to be added to the variable COBJS; leading to build failure (listed below). The problem was found with GNU Make 3.80.
Using text-function 'strip' as a workaround for the problem.
make[1]: Entering directory `/home/sanjeev/u-boot/examples/standalone' arm-none-linux-gnueabi-gcc -g -Os -fno-common -ffixed-r8 -msoft-float -D__KERNEL__ -DTEXT_BASE=0x80e80000 -I/home/sanjeev/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /opt/codesourcery/2009q1- 203/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/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 -ff ixed-r8 -msoft-float -D__KERNEL__ -DTEXT_BASE=0x80e80000 -I/home/sanje ev/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /opt/co desourcery/2009q1-203/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/includ e -pipe -DCONFIG_ARM -D__ARM__ -marm -mabi=aapcs-linux -mno-thumb-inte rwork -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 `/home/sanjeev/u-boot/examples/standalone' make: *** [examples/standalone] Error 2 premi #
Signed-off-by: Sanjeev Premi premi@ti.com --- examples/standalone/Makefile | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/examples/standalone/Makefile b/examples/standalone/Makefile index 5e2f2bc..c02ce43 100644 --- a/examples/standalone/Makefile +++ b/examples/standalone/Makefile @@ -38,7 +38,13 @@ ELF-mpc8260 += mem_to_mem_idma2intr ELF-ppc += sched ELF-oxc += eepro100_eeprom
-ELF := $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU)) +# +# Some versions of make do not handle trailing white spaces properly; +# leading to build failures. The problem was found with GNU Make 3.80. +# Using 'strip' as a workaround for the problem. +# +ElF := $(strip $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU))) + SREC = $(addsuffix .srec,$(ELF)) BIN = $(addsuffix .bin,$(ELF))