# ../libvpx/configure --target=x86_64-linux-gcc --disable-examples --disable-docs --disable-unit-tests --disable-spatial-resampling --enable-runtime-cpu-detect --disable-vp8 --disable-vp9-encoder
  enabling vp9_decoder
Configuring for target 'x86_64-linux-gcc'
  enabling x86_64
check_cpp
BEGIN /tmp/vpx-conf-30839-15830.c
     1	#if !defined(__ILP32__) || !defined(__x86_64__)
     2	#error "not x32"
     3	#endif
END /tmp/vpx-conf-30839-15830.c
gcc -E -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
/tmp/vpx-conf-30839-15830.c:2:2: error: #error "not x32"
 #error "not x32"
  ^
check_cflags -mmmx
check_cc -Werror -mmmx
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -mmmx -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling mmx
check_cflags -msse
check_cc -Werror -msse
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -msse -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling sse
check_cflags -msse2
check_cc -Werror -msse2
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -msse2 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling sse2
check_cflags -msse3
check_cc -Werror -msse3
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -msse3 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling sse3
check_cflags -mssse3
check_cc -Werror -mssse3
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -mssse3 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling ssse3
check_cflags -msse4
check_cc -Werror -msse4
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -msse4 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling sse4_1
check_cflags -mavx
check_cc -Werror -mavx
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -mavx -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling avx
check_cflags -mavx2
check_cc -Werror -mavx2
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -mavx2 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
  enabling avx2
  using yasm
check_cxxflags -DNDEBUG
check_cxx -Werror -DNDEBUG
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -Werror -DNDEBUG -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -DNDEBUG
check_cc -Werror -DNDEBUG
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -Werror -DNDEBUG -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -O3
check_cxx -Werror -O3
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -Werror -O3 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -O3
check_cc -Werror -O3
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -Werror -O3 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
check_cxx -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
check_cc -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cc
BEGIN /tmp/vpx-conf-30839-15830.c
     1	unsigned int e = 'O'<<24 | '2'<<16 | 'B'<<8 | 'E';
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cc
BEGIN /tmp/vpx-conf-30839-15830.c
     1	static inline function() {}
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
/tmp/vpx-conf-30839-15830.c:1:15: warning: return type defaults to ‘int’ [-Wimplicit-int]
 static inline function() {}
               ^
check_header pthread.h
check_cpp
BEGIN /tmp/vpx-conf-30839-15830.c
     1	#include "pthread.h"
     2	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -E -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wall
check_cxx -Werror -Wall
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Werror -Wall -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wall
check_cc -Werror -Wall
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Werror -Wall -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wdeclaration-after-statement
check_cxx -Werror -Wdeclaration-after-statement
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Werror -Wdeclaration-after-statement -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
cc1plus: error: command line option ‘-Wdeclaration-after-statement’ is valid for C/ObjC but not for C++ [-Werror]
cc1plus: all warnings being treated as errors
check_cflags -Wdeclaration-after-statement
check_cc -Werror -Wdeclaration-after-statement
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Werror -Wdeclaration-after-statement -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wdisabled-optimization
check_cxx -Werror -Wdisabled-optimization
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Werror -Wdisabled-optimization -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wdisabled-optimization
check_cc -Werror -Wdisabled-optimization
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Werror -Wdisabled-optimization -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wfloat-conversion
check_cxx -Werror -Wfloat-conversion
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Werror -Wfloat-conversion -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wfloat-conversion
check_cc -Werror -Wfloat-conversion
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Werror -Wfloat-conversion -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wparentheses-equality
check_cxx -Werror -Wparentheses-equality
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Werror -Wparentheses-equality -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
g++: error: unrecognized command line option ‘-Wparentheses-equality’
check_cflags -Wparentheses-equality
check_cc -Werror -Wparentheses-equality
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Werror -Wparentheses-equality -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
gcc: error: unrecognized command line option ‘-Wparentheses-equality’
check_cxxflags -Wpointer-arith
check_cxx -Werror -Wpointer-arith
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Werror -Wpointer-arith -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wpointer-arith
check_cc -Werror -Wpointer-arith
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Werror -Wpointer-arith -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wtype-limits
check_cxx -Werror -Wtype-limits
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Werror -Wtype-limits -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wtype-limits
check_cc -Werror -Wtype-limits
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Werror -Wtype-limits -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wcast-qual
check_cxx -Werror -Wcast-qual
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Werror -Wcast-qual -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wcast-qual
check_cc -Werror -Wcast-qual
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Werror -Wcast-qual -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wvla
check_cxx -Werror -Wvla
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Werror -Wvla -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wvla
check_cc -Werror -Wvla
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Werror -Wvla -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wimplicit-function-declaration
check_cxx -Werror -Wimplicit-function-declaration
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Werror -Wimplicit-function-declaration -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
cc1plus: error: command line option ‘-Wimplicit-function-declaration’ is valid for C/ObjC but not for C++ [-Werror]
cc1plus: all warnings being treated as errors
check_cflags -Wimplicit-function-declaration
check_cc -Werror -Wimplicit-function-declaration
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Werror -Wimplicit-function-declaration -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wuninitialized
check_cxx -Werror -Wuninitialized
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Werror -Wuninitialized -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wuninitialized
check_cc -Werror -Wuninitialized
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Werror -Wuninitialized -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wunused
check_cxx -Werror -Wunused
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wuninitialized -Werror -Wunused -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wunused
check_cc -Werror -Wunused
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Werror -Wunused -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cxxflags -Wextra
check_cxx -Werror -Wextra
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int x;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wuninitialized -Wunused -Werror -Wextra -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cflags -Wextra
check_cc -Werror -Wextra
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Werror -Wextra -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cflags -Wundef
check_cc -Werror -Wundef
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Werror -Wundef -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_cflags -Wshorten-64-to-32
check_cc -Werror -Wshorten-64-to-32
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Wundef -Werror -Wshorten-64-to-32 -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
gcc: error: unrecognized command line option ‘-Wshorten-64-to-32’
  enabling postproc
check_cxx
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int z;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wuninitialized -Wunused -Wextra -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
check_cxx
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int z;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wuninitialized -Wunused -Wextra -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
  enabling webm_io
check_cxx
BEGIN /tmp/vpx-conf-30839-15830.cc
     1	int z;
END /tmp/vpx-conf-30839-15830.cc
g++ -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wuninitialized -Wunused -Wextra -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.cc
  enabling libyuv
check_header stdio.h
check_cpp
BEGIN /tmp/vpx-conf-30839-15830.c
     1	#include "stdio.h"
     2	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Wundef -E -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_ld
check_cc
BEGIN /tmp/vpx-conf-30839-15830.c
     1	int main(void) {return 0;}
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Wundef -c -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
g++ -m64 -o /tmp/vpx-conf-30839-15830.x /tmp/vpx-conf-30839-15830.o -lpthread
check_header pthread.h
check_cpp
BEGIN /tmp/vpx-conf-30839-15830.c
     1	#include "pthread.h"
     2	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Wundef -E -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_header unistd.h
check_cpp
BEGIN /tmp/vpx-conf-30839-15830.c
     1	#include "unistd.h"
     2	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Wundef -E -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c
check_header vpx/vpx_integer.h -I../libvpx
check_cpp -I../libvpx
BEGIN /tmp/vpx-conf-30839-15830.c
     1	#include "vpx/vpx_integer.h"
     2	int x;
END /tmp/vpx-conf-30839-15830.c
gcc -m64 -DNDEBUG -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-conversion -Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration -Wuninitialized -Wunused -Wextra -Wundef -I../libvpx -E -o /tmp/vpx-conf-30839-15830.o /tmp/vpx-conf-30839-15830.c