stdin

gcc -I. -I./ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DZLIB_CONST -DHAVE_AV_CONFIG_H -march=armv6 -std=c99 -marm -pthread -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline -g -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign  -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -Werror=format-security -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto -Wno-maybe-uninitialized  -MMD -MF libavformat/flacenc.d -MT libavformat/flacenc.o -c -o libavformat/flacenc.o libavformat/flacenc.c
In file included from ./libavutil/intmath.h:30:0,
                 from ./libavutil/common.h:103,
                 from ./libavutil/avutil.h:288,
                 from ./libavutil/opt.h:31,
                 from libavformat/flacenc.c:23:
./libavutil/arm/intmath.h: In function ‘flac_write_header’:
./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’
common.mak:57: recipe for target 'libavformat/flacenc.o' failed
make: *** [libavformat/flacenc.o] Error 1