I have ported u-boot to my android4.2 source and use the android toolchain,
which has a gcc version 4.6.x-google 20120106.
my envisionment for build: ubuntu 10.04, with a host gcc version 4.4.3.
my platform is arm-v7, cotex-a5.
the problem is that some times u-boot will encounter the following compile
error(I use a 'make -j32' for building android):
target thumb C++: libGLES_trace <=
frameworks/native/opengl/libs/GLES_trace/src/gltrace_context.cpp
CC ispi.c
target thumb C++: libGLES_trace <=
frameworks/native/opengl/libs/GLES_trace/src/gltrace_egl.cpp
CC spl.c
target thumb C++: libGLES_trace <=
frameworks/native/opengl/libs/GLES_trace/src/gltrace_eglapi.cpp
MAKE arch/arm/lib/
CC timer.c
cc1: error: unrecognized command line option '-mshort-load-bytes'
make[2]: ***
[/home/jenkins/workspace/droid-4.2.2_r1/out/target/product/aere/obj/u-boot/arch/arm/cpu/armv7/rda/timer.o]
Error 1
make[1]: ***
[/home/jenkins/workspace/droid-4.2.2_r1/out/target/product/aere/obj/u-boot/arch/arm/cpu/armv7/rda/librda.o]
Error 2
make[1]: Leaving directory `/home/jenkins/workspace/rdadroid-4.2.2_r1/u-boot'
make: *** [out/target/product/aere/obj/u-boot/u-boot.img] Error 2
make: *** Waiting for unfinished jobs....
but if I build it again, the compile error disappeared。
I know the gcc after 3.5 don't support option -mshort-load-bytes, but my
gcc-version
is 4.6, and I checked include/generated/cc_options.mk, if build fail, the
content is:
"CC_OPTIONS += -marm
CC_OPTIONS += -mno-thumb-interwork
CC_OPTIONS += -mabi=apcs-gnu
CC_OPTIONS += -mabi=aapcs-linux
CC_OPTIONS += -march=armv7-a
CC_OPTIONS += -fno-stack-protector
CC_OPTIONS += -Wno-format-nonliteral
CC_OPTIONS += -Wno-format-security
CC_OPTIONS += -fstack-usage
CC_OPTIONS += -fno-toplevel-reorder
CC_OPTIONS += -mshort-load-bytes
"
if success, there is no "CC_OPTIONS += -mshort-load-bytes".
so, anyone can tell me how to debug this problems?
thank you!
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