>>> Existing ${T}/environment for 'x264-encoder-0.0.20151011' will be
>>> sourced. Run 'clean' to start with a fresh environment.
>>> Checking x264-snapshot-20151011-2245.tar.bz2's mtime...
>>> WORKDIR is up-to-date, keeping...
>>> It appears that 'setup' has already executed for 'x264-encoder-0.0.20151011'; skipping.
>>> Remove '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/.setuped' to force setup.
>>> It appears that 'unpack' has already executed for 'x264-encoder-0.0.20151011'; skipping.
>>> Remove '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/.unpacked' to force unpack.
>>> It appears that 'prepare' has already executed for 'x264-encoder-0.0.20151011'; skipping.
>>> Remove '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/.prepared' to force prepare.
>>> Configuring source in /var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245 ...
+ test x--prefix=/usr = x-h -o x--prefix=/usr = x--help
+ rm -f x264_config.h config.h config.mak config.log x264.pc x264.def 'conftest*'
+++ dirname ./configure
++ relative_path .
++ local base=/var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245
+++ cd .
+++ printf %s/. /var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245
++ local path=/var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245/.
++ local up=
++ [[ /var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245/. != \/\v\a\r\/\t\m\p\/\p\o\r\t\a\g\e\/\m\e\d\i\a\-\v\i\d\e\o\/\x\2\6\4\-\e\n\c\o\d\e\r\-\0\.\0\.\2\0\1\5\1\0\1\1\/\w\o\r\k\/\x\2\6\4\-\s\n\a\p\s\h\o\t\-\2\0\1\5\1\0\1\1\-\2\2\4\5\/* ]]
++ dirname .
+ SRCPATH=.
+ echo .
+ grep -q ' '
+ '[' -e ./config.h -o -e ./x264_config.h ']'
+ prefix=/usr/local
+ exec_prefix='${prefix}'
+ bindir='${exec_prefix}/bin'
+ libdir='${exec_prefix}/lib'
+ includedir='${prefix}/include'
+ DEVNULL=/dev/null
+ cli=yes
+ cli_libx264=internal
+ shared=no
+ static=no
+ avs=auto
+ lavf=auto
+ ffms=auto
+ gpac=auto
+ lsmash=auto
+ mp4=no
+ gpl=yes
+ thread=auto
+ swscale=auto
+ asm=auto
+ interlaced=yes
+ debug=no
+ gprof=no
+ strip=no
+ pic=no
+ bit_depth=8
+ chroma_format=all
+ compiler=GNU
+ compiler_style=GNU
+ opencl=yes
+ CFLAGS='-O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH)'
+ LDFLAGS='-Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin'
+ LDFLAGSCLI=
+ ASFLAGS=' -I. -I$(SRCPATH)'
+ RCFLAGS=
+ CHECK_CFLAGS=
+ HAVE_GETOPT_LONG=1
+ cross_prefix=
+ EXE=
+ AS_EXT=.S
+ NL='
'
+ CONFIG_HAVE='MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER              MSA'
+ for opt in '"$@"'
+ optarg=/usr
+ case "$opt" in
+ prefix=/usr
+ for opt in '"$@"'
+ optarg=/usr/lib64
+ case "$opt" in
+ libdir=/usr/lib64
+ for opt in '"$@"'
+ optarg=--system-libx264
+ case "$opt" in
+ cli_libx264=system
+ for opt in '"$@"'
+ optarg=x86_64-pc-linux-gnu
+ case "$opt" in
+ host=x86_64-pc-linux-gnu
+ for opt in '"$@"'
+ optarg=--disable-lsmash
+ case "$opt" in
+ lsmash=no
+ for opt in '"$@"'
+ optarg=--disable-ffms
+ case "$opt" in
+ ffms=no
+ '[' yes = no -a no = no -a no = no ']'
+ CC=x86_64-pc-linux-gnu-gcc
+ AR=ar
+ RANLIB=ranlib
+ STRIP=strip
+ INSTALL=install
+ '[' xx86_64-pc-linux-gnu = x ']'
++ ./config.sub x86_64-pc-linux-gnu
+ host=x86_64-pc-linux-gnu
+ host_cpu=x86_64
+ host=pc-linux-gnu
+ host_vendor=pc
+ host_os=linux-gnu
+ trap 'rm -f conftest*' EXIT
++ basename x86_64-pc-linux-gnu-gcc
+ cc_base=x86_64-pc-linux-gnu-gcc
+ QPRE=-
+ [[ linux-gnu = mingw* ]]
+ [[ linux-gnu = cygwin* ]]
+ [[ x86_64-pc-linux-gnu-gcc = icc ]]
+ [[ x86_64-pc-linux-gnu-gcc = icc[\ .]* ]]
+ [[ x86_64-pc-linux-gnu-gcc = clang ]]
+ [[ x86_64-pc-linux-gnu-gcc = clang[\ .]* ]]
+ libm=
+ case $host_os in
+ SYS=LINUX
+ define HAVE_MALLOC_H
++ '[' -n '' ']'
++ echo ' 1'
+ echo '#define HAVE_MALLOC_H 1'
+ libm=-lm
+ LDFLAGS='-Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm'
+ stack_alignment=4
+ case $host_cpu in
+ ARCH=X86_64
+ AS=yasm
+ AS_EXT=.asm
+ ASFLAGS=' -I. -I$(SRCPATH) -DARCH_X86_64=1 -I$(SRCPATH)/common/x86/'
+ stack_alignment=16
+ '[' GNU = GNU ']'
+ CFLAGS='-m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH)'
+ LDFLAGS='-m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm'
+ '[' LINUX = MACOSX ']'
+ '[' LINUX = WINDOWS -o LINUX = CYGWIN ']'
+ ASFLAGS=' -I. -I$(SRCPATH) -DARCH_X86_64=1 -I$(SRCPATH)/common/x86/ -f elf64'
+ '[' LINUX = WINDOWS ']'
+ log_msg 'x264 configure script'
+ echo 'x264 configure script'
+ '[' -n '--prefix=/usr --libdir=/usr/lib64 --system-libx264 --host=x86_64-pc-linux-gnu --disable-lsmash --disable-ffms' ']'
+ msg='Command line options:'
+ for i in '$@'
+ msg='Command line options: "--prefix=/usr"'
+ for i in '$@'
+ msg='Command line options: "--prefix=/usr" "--libdir=/usr/lib64"'
+ for i in '$@'
+ msg='Command line options: "--prefix=/usr" "--libdir=/usr/lib64" "--system-libx264"'
+ for i in '$@'
+ msg='Command line options: "--prefix=/usr" "--libdir=/usr/lib64" "--system-libx264" "--host=x86_64-pc-linux-gnu"'
+ for i in '$@'
+ msg='Command line options: "--prefix=/usr" "--libdir=/usr/lib64" "--system-libx264" "--host=x86_64-pc-linux-gnu" "--disable-lsmash"'
+ for i in '$@'
+ msg='Command line options: "--prefix=/usr" "--libdir=/usr/lib64" "--system-libx264" "--host=x86_64-pc-linux-gnu" "--disable-lsmash" "--disable-ffms"'
+ log_msg 'Command line options: "--prefix=/usr" "--libdir=/usr/lib64" "--system-libx264" "--host=x86_64-pc-linux-gnu" "--disable-lsmash" "--disable-ffms"'
+ echo 'Command line options: "--prefix=/usr" "--libdir=/usr/lib64" "--system-libx264" "--host=x86_64-pc-linux-gnu" "--disable-lsmash" "--disable-ffms"'
+ log_msg ''
+ echo ''
+ cc_check
+ '[' -z '' ']'
+ '[' -z '' ']'
+ log_check 'whether x86_64-pc-linux-gnu-gcc works'
+ echo -n 'checking whether x86_64-pc-linux-gnu-gcc works... '
+ rm -f conftest.c
+ echo 'int main (void) {  return 0; }'
+ '[' GNU = MS ']'
+ cc_cmd='x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH)    -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest'
+ x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. '-I$(SRCPATH)' -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest
+ res=0
+ log_ok
+ echo yes
+ return 0
+ '[' GNU = GNU ']'
+ cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );'
+ '[' -z 'for( int i = 0; i < 9; i++ );' ']'
+ '[' -z '' ']'
+ '[' -z -std=gnu99 ']'
+ log_check 'whether x86_64-pc-linux-gnu-gcc supports for( int i = 0; i < 9; i++ ); with -std=gnu99'
+ echo -n 'checking whether x86_64-pc-linux-gnu-gcc supports for( int i = 0; i < 9; i++ ); with -std=gnu99... '
+ rm -f conftest.c
+ echo 'int main (void) { for( int i = 0; i < 9; i++ ); return 0; }'
+ '[' GNU = MS ']'
+ cc_cmd='x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH)  -std=gnu99  -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest'
+ x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. '-I$(SRCPATH)' -std=gnu99 -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest
+ res=0
+ log_ok
+ echo yes
+ return 0
+ CFLAGS='-m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH) -std=gnu99'
+ '[' no = yes -a '(' X86_64 = X86_64 -o X86_64 = PPC -o X86_64 = ALPHA -o X86_64 = ARM -o X86_64 = IA64 -o X86_64 = PARISC -o X86_64 = MIPS -o X86_64 = AARCH64 ')' ']'
+ '[' GNU = GNU -a '(' X86_64 = X86 -o X86_64 = X86_64 ')' ']'
+ cc_check '' -mpreferred-stack-boundary=5
+ '[' -z '' ']'
+ '[' -z -mpreferred-stack-boundary=5 ']'
+ '[' -z '' ']'
+ log_check 'for -mpreferred-stack-boundary=5'
+ echo -n 'checking for -mpreferred-stack-boundary=5... '
+ rm -f conftest.c
+ echo 'int main (void) {  return 0; }'
+ '[' GNU = MS ']'
+ cc_cmd='x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH) -std=gnu99  -mpreferred-stack-boundary=5  -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest'
+ x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. '-I$(SRCPATH)' -std=gnu99 -mpreferred-stack-boundary=5 -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest
+ res=0
+ log_ok
+ echo yes
+ return 0
+ CFLAGS='-m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH) -std=gnu99 -mpreferred-stack-boundary=5'
+ stack_alignment=32
+ '[' auto = auto -a '(' X86_64 = X86 -o X86_64 = X86_64 ')' ']'
+ as_check 'vpmovzxwd ymm0, xmm0'
+ log_check 'whether yasm supports vpmovzxwd ymm0, xmm0'
+ echo -n 'checking whether yasm supports vpmovzxwd ymm0, xmm0... '
+ echo 'vpmovzxwd ymm0, xmm0'
+ as_cmd='yasm conftest.asm  -I. -I$(SRCPATH) -DARCH_X86_64=1 -I$(SRCPATH)/common/x86/ -f elf64  -o conftest.o'
+ yasm conftest.asm -I. '-I$(SRCPATH)' -DARCH_X86_64=1 '-I$(SRCPATH)/common/x86/' -f elf64 -o conftest.o
+ res=0
+ log_ok
+ echo yes
+ return 0
+ cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");'
+ '[' -z '__asm__("pabsw %xmm0, %xmm0");' ']'
+ '[' -z '' ']'
+ '[' -z '' ']'
+ log_check 'whether x86_64-pc-linux-gnu-gcc supports __asm__("pabsw %xmm0, %xmm0");'
+ echo -n 'checking whether x86_64-pc-linux-gnu-gcc supports __asm__("pabsw %xmm0, %xmm0");... '
+ rm -f conftest.c
+ echo 'int main (void) { __asm__("pabsw %xmm0, %xmm0"); return 0; }'
+ '[' GNU = MS ']'
+ cc_cmd='x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. -I$(SRCPATH) -std=gnu99 -mpreferred-stack-boundary=5    -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest'
+ x86_64-pc-linux-gnu-gcc conftest.c -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. '-I$(SRCPATH)' -std=gnu99 -mpreferred-stack-boundary=5 -m64 -Wl,-O1 -Wl,--as-needed -flto=8 -fuse-linker-plugin -lm -o conftest
+ res=0
+ log_ok
+ echo yes
+ return 0
+ define HAVE_X86_INLINE_ASM
++ '[' -n '' ']'
++ echo ' 1'
+ echo '#define HAVE_X86_INLINE_ASM 1'
+ ASFLAGS=' -I. -I$(SRCPATH) -DARCH_X86_64=1 -I$(SRCPATH)/common/x86/ -f elf64 -Worphan-labels'
+ define HAVE_MMX
++ '[' -n '' ']'
++ echo ' 1'
+ echo '#define HAVE_MMX 1'
+ '[' auto = auto -a X86_64 = ARM ']'
+ '[' auto = auto -a X86_64 = AARCH64 ']'
+ '[' auto = auto -a '(' X86_64 = ARM -o X86_64 = AARCH64 ')' ']'
+ '[' auto = auto -a X86_64 = MIPS ']'
+ '[' auto = no ']'
+ '[' xyasm = x ']'
+ asm=yes
+ define ARCH_X86_64
++ '[' -n '' ']'
++ echo ' 1'
+ echo '#define ARCH_X86_64 1'
+ define SYS_LINUX
++ '[' -n '' ']'
++ echo ' 1'
+ echo '#define SYS_LINUX 1'
+ define STACK_ALIGNMENT 32
++ '[' -n 32 ']'
++ echo ' 32'
+ echo '#define STACK_ALIGNMENT 32'
+ ASFLAGS=' -I. -I$(SRCPATH) -DARCH_X86_64=1 -I$(SRCPATH)/common/x86/ -f elf64 -Worphan-labels -DSTACK_ALIGNMENT=32'
+ CPU_ENDIAN=little-endian
+ '[' GNU = GNU ']'
+ echo 'int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};'
+ x86_64-pc-linux-gnu-gcc -m64 -O2 -march=native -pipe -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block -ftree-vectorize -flto=8 -fuse-linker-plugin -Wall -I. '-I$(SRCPATH)' -std=gnu99 -mpreferred-stack-boundary=5 conftest.c -c -o conftest.o
+ strings -a conftest.o
+ grep -q BIGE
+ strings -a conftest.o
+ grep -q EGIB
+ die 'endian test failed'
+ log_msg 'DIED: endian test failed'
+ echo 'DIED: endian test failed'
+ echo 'endian test failed'
endian test failed
+ exit 1
+ rm -f conftest conftest.asm conftest.c conftest.log conftest.o
 * ERROR: media-video/x264-encoder-0.0.20151011::gentoo failed (configure phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 133:  Called src_configure
 *   environment, line 2424:  Called die
 * The specific snippet of code:
 *       ./configure --prefix="${EPREFIX}"/usr --libdir="${EPREFIX}"/usr/$(get_libdir) --system-libx264 --host="${CHOST}" --disable-lsmash $(usex 10bit "--bit-depth=10" "") $(usex avs "" "--disable-avs") $(usex ffmpeg "" "--disable-lavf --disable-swscale") $(usex ffmpegsource "" "--disable-ffms") $(usex interlaced "" "--disable-interlaced") $(usex mp4 "" "--disable-gpac") $(usex threads "" "--disable-thread") || die;
 * 
 * If you need support, post the output of `emerge --info '=media-video/x264-encoder-0.0.20151011::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-video/x264-encoder-0.0.20151011::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/temp/environment'.
 * Working directory: '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245'
 * S: '/var/tmp/portage/media-video/x264-encoder-0.0.20151011/work/x264-snapshot-20151011-2245'