When I tried to build the latest libav with angstrom tool chains, I failed at
|
/home/tang/Projects/OE/build/tmp/work/armv7a-angstrom-linux-gnueabi/libav-2_0.7+gitr0+0ea5b44275aa334528eb384a6548cc9f98c50a17-r0.2/git/libavcodec/arm/aac.h:102:5:
error: can't find a register in class 'CORE_REGS' while reloading 'asm'
|
/home/tang/Projects/OE/build/tmp/work/armv7a-angstrom-linux-gnueabi/libav-2_0.7+gitr0+0ea5b44275aa334528eb384a6548cc9f98c50a17-r0.2/git/libavcodec/arm/aac.h:102:5:
error: 'asm' operand has impossible constraints
| make: *** [libavcodec/aacdec.o] Error 1
| make: *** Waiting for unfinished jobs....
| + die 'oe_runmake failed'
| + oefatal 'oe_runmake failed'
| + echo FATAL: 'oe_runmake failed'
| FATAL: oe_runmake failed
| + exit 1
Here are compiling options
arm-angstrom-linux-gnueabi-gcc -I.
-I/home/tang/Projects/OE/build/tmp/work/armv7a-angstrom-linux-gnueabi/libav-2_0.7+gitr0+0ea5b44275aa334528eb384a6548cc9f98c50a17-r0.2/git
--sysroot=/home/tang/Projects/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi
-D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -DHAVE_AV_CONFIG_H -O0
-fno-omit-frame-pointer -ggdb3 -O0 -fno-omit-frame-pointer -ggdb3
-march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork
-mno-thumb
--sysroot=/home/tang/Projects/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi
-mcpu=cortex-a8 -std=c99 -fPIC -marm -pthread
-I/home/tang/Projects/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/schroedinger-1.0
-I/home/tang/Projects/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/orc-0.4
-g -Wdeclaration-after-statement -Wall -Wno-parentheses -Wno-switch
-Wno-format-zero-length
-Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wno-pointer-sign
-Wcast-qual -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes
-Wstrict-prototypes -fno-math-errno -fno-signed-zeros -fno-tree-vectorize
-Werror=implicit-function-declaration -Werror=missing-prototypes -MMD -MF
libavcodec/aacdec.d -MT libavcodec/aacdec.o -c -o libavcodec/aacdec.o
/home/tang/Projects/OE/build/tmp/work/armv7a-angstrom-linux-gnueabi/libav-2_0.7+gitr0+0ea5b44275aa334528eb384a6548cc9f98c50a17-r0.2/git/libavcodec/aacdec.c
Any idea?
Kai
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