[FFmpeg-user] compilation error for armv6 (pi0)

[Abu Abdullah]

thanks for the hints. removing '--disable-optimizations' will solve it
but i read in this list that it is needed for a debug version.

The FLAGS are needed to enable mmal in Raspberry and other OS
optimization. host system is Pi3 (armv8) and compile it for Pi0
(armv6) with the CFLAGS


Removing all the FLAGS with the following:
sudo ./configure \
 --enable-cross-compile \
 --arch=armel \
 --target-os=linux \
 --enable-shared \
 --disable-static \
 --enable-gpl \
 --enable-libx264 \
 --disable-libopenmpt \
 --disable-neon \
 --enable-omx \
 --enable-nonfree \
 --enable-omx-rpi \
 --disable-doc \
 --disable-avdevice \
 --disable-postproc \
 --disable-optimizations \
 --disable-stripping

uncut 2nd run console output:
*****************
pi at raspberrypi:~/ffmpeg-4.1 $ make ffmpeg
CC      libavfilter/colorspacedsp.o
In file included from ./libavutil/intmath.h:30:0,
                 from ./libavutil/common.h:106,
                 from ./libavutil/avutil.h:296,
                 from ./libavutil/avassert.h:31,
                 from libavfilter/colorspacedsp_template.c:21,
                 from libavfilter/colorspacedsp.c:31:
./libavutil/arm/intmath.h: In function ‘rgb2yuv_444p10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: error: impossible constraint in ‘asm’
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: error: impossible constraint in ‘asm’
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: error: impossible constraint in ‘asm’
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_fsb_444p10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_444p8to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_444p10to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_444p12to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_444p12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_fsb_444p12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_444p8to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_444p10to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_444p12to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_422p10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_fsb_422p10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_422p8to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_422p10to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_422p12to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_422p12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_fsb_422p12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_422p8to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_422p10to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_422p12to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_420p10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_fsb_420p10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_420p8to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_420p10to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_420p12to10_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_420p12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘rgb2yuv_fsb_420p12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_420p8to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_420p10to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h: In function ‘yuv2yuv_420p12to12_c’:
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
./libavutil/arm/intmath.h:77:5: warning: asm operand 2 probably
doesn’t match constraints
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     ^~~~~~~
ffbuild/common.mak:60: recipe for target 'libavfilter/colorspacedsp.o' failed
make: *** [libavfilter/colorspacedsp.o] Error 1
pi at raspberrypi:~/ffmpeg-4.1 $
************

On Fri, Jun 7, 2019 at 5:32 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>
> Am Do., 6. Juni 2019 um 20:48 Uhr schrieb Abu Abdullah <falcon.sheep at gmail.com>:
>
> > I'm facing this issue while compiling ffmpeg on raspberry pi0
>
> You forgot to provide the actual error.
> Please run "make ffmpeg" (or "make libavutil/libavutil.so") twice and
> provide only the complete, uncut console output of the second run.
> (Do not send the console output of the first run.)
>
> Remove all "export *FLAGS" calls from your configure script,
> they are not supported.
> --disable-mmx is useless, please remove it, useless options make
> debugging more difficult.
>
> What is the host system? Are you really cross-compiling?
> Why are you using "--disable-optimizations"? This should
> only be a debug option.
>
> Carl Eugen
> _______________________________________________
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