* Package:    media-gfx/autopano-sift-C-2.5.1
 * Repository: gentoo
 * Maintainer: graphics@gentoo.org
 * USE:        amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox splitdebug
>>> Unpacking source...
>>> Unpacking autopano-sift-C-2.5.1.tar.gz to /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work
>>> Source unpacked in /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work
>>> Preparing source in /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 ...
>>> Working in BUILD_DIR: "/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build"
cmake --no-warn-unused-cli -C /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/gentoo_common_config.cmake -G Unix Makefiles -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Gentoo -DCMAKE_INSTALL_DO_STRIP=OFF -DCMAKE_USER_MAKE_RULES_OVERRIDE=/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/gentoo_rules.cmake  /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1
Not searching for unused variables given on the command line.
loading initial cache file /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/gentoo_common_config.cmake
-- The C compiler identification is GNU 4.6.4
-- The CXX compiler identification is GNU 4.6.4
-- Check for working C compiler: /usr/bin/x86_64-pc-linux-gnu-gcc
-- Check for working C compiler: /usr/bin/x86_64-pc-linux-gnu-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/x86_64-pc-linux-gnu-g++
-- Check for working CXX compiler: /usr/bin/x86_64-pc-linux-gnu-g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Found TIFF: /usr/include
-- Found JPEG: /usr/include
-- Found ZLIB: /usr/include
-- Found PNG: /usr/include
-- WARNING: you are using the obsolete 'PKGCONFIG' macro, use FindPkgConfig
-- Found LibXml2: /usr/lib64/libxml2.so
-- <<< Gentoo configuration >>>
Build type      Gentoo
Install path    /usr
Compiler flags:
C               -march=native -Os -pipe -ggdb 
C++             -march=native -Os -pipe -ggdb 
Linker flags:
Executable       -Wl,-O1 -Wl,--as-needed
Module           -Wl,-O1 -Wl,--as-needed
Shared           -Wl,-O1 -Wl,--as-needed

-- Configuring done
-- Generating done
-- Build files have been written to: /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build
>>> Source configured.
>>> Compiling source in /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 ...
>>> Working in BUILD_DIR: "/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build"
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/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/MatchKeys.c:76:58: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/MatchKeys.c:77:33: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/MatchKeys.c:87:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
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Scanning dependencies of target generatekeys
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Building C object APSCpp/CMakeFiles/autopano-sift-c.dir/APSCpp.o
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-g++  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/ANNkd_wrap.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/ANNkd_wrap.cpp
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-gcc  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/APSCpp.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp.c
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cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-gcc  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/APSCpp_main.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c
Building C object APSCpp/CMakeFiles/autopano-sift-c.dir/CamLens.o
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-gcc  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/CamLens.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/CamLens.c
Building C object APSCpp/CMakeFiles/autopano-sift-c.dir/HermiteSpline.o
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-gcc  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/HermiteSpline.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/HermiteSpline.c
Building C object APSCpp/CMakeFiles/autopano-sift-c.dir/saInterp.o
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-gcc  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/saInterp.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/saInterp.c
Building C object APSCpp/CMakeFiles/autopano-sift-c.dir/saRemap.o
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/x86_64-pc-linux-gnu-gcc  -DHAS_PANO13  -DNDEBUG -march=native -Os -pipe -ggdb  -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1 -I/usr/include/libxml2 -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build -I/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp    -I/usr/include/libxml2 -Wall -o CMakeFiles/autopano-sift-c.dir/saRemap.o -c /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/saRemap.c
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/AutoPano.c: In function 'WritePTOFile':
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/AutoPano.c:387:50: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/AutoPano.c:440:6: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/AutoPano.c:440:55: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/AutoPano.c:444:6: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/AutoPano.c:444:55: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
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/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c: In function 'WritePTOFile':
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c:440:50: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c:511:6: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c:511:55: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c:515:6: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp_main.c:515:55: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp.c: In function 'MultiMatch_ANN':
/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1/APSCpp/APSCpp.c:490:4: warning: 'kp' may be used uninitialized in this function [-Wuninitialized]
Linking C executable autopano
/usr/bin/cmake -E cmake_link_script CMakeFiles/autopano.dir/link.txt --verbose=1
/usr/bin/x86_64-pc-linux-gnu-gcc  -march=native -Os -pipe -ggdb    -Wl,-O1 -Wl,--as-needed CMakeFiles/autopano.dir/AutoPano.o  -o autopano -rdynamic liblibsift.a -ljpeg -ltiff -lpng -lz -lz -lpano13 -lxml2 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.4/../../../../x86_64-pc-linux-gnu/bin/ld: liblibsift.a(ScaleSpace.o): undefined reference to symbol 'exp@@GLIBC_2.2.5'
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.4/../../../../x86_64-pc-linux-gnu/bin/ld: note: 'exp@@GLIBC_2.2.5' is defined in DSO /lib64/libm.so.6 so try adding it to the linker command line
/lib64/libm.so.6: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make[2]: *** [generatekeys] Error 1
make[2]: Leaving directory `/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build'
make[1]: *** [CMakeFiles/generatekeys.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
Linking CXX executable autopano-sift-c
cd /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/APSCpp && /usr/bin/cmake -E cmake_link_script CMakeFiles/autopano-sift-c.dir/link.txt --verbose=1
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.4/../../../../x86_64-pc-linux-gnu/bin/ld: liblibsift.a(ScaleSpace.o): undefined reference to symbol 'exp@@GLIBC_2.2.5'
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.4/../../../../x86_64-pc-linux-gnu/bin/ld: /usr/bin/x86_64-pc-linux-gnu-g++   -march=native -Os -pipe -ggdb    -Wl,-O1 -Wl,--as-needed CMakeFiles/autopano-sift-c.dir/ANNkd_wrap.o CMakeFiles/autopano-sift-c.dir/APSCpp_main.o CMakeFiles/autopano-sift-c.dir/APSCpp.o CMakeFiles/autopano-sift-c.dir/CamLens.o CMakeFiles/autopano-sift-c.dir/HermiteSpline.o CMakeFiles/autopano-sift-c.dir/saInterp.o CMakeFiles/autopano-sift-c.dir/saRemap.o  -o autopano-sift-c -rdynamic ANN/libANN.a ../liblibsift.a -ljpeg -ltiff -lpng -lz -lz -lpano13 -lxml2 
note: 'exp@@GLIBC_2.2.5' is defined in DSO /lib64/libm.so.6 so try adding it to the linker command line
/lib64/libm.so.6: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make[2]: *** [autopano] Error 1
make[2]: Leaving directory `/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build'
make[1]: *** [CMakeFiles/autopano.dir/all] Error 2
make[2]: Leaving directory `/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build'
/usr/bin/cmake -E cmake_progress_report /var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build/CMakeFiles  16 17 18 19 20 21 22
[100%] Built target autopano-sift-c
make[1]: Leaving directory `/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build'
make: *** [all] Error 2
 * ERROR: media-gfx/autopano-sift-C-2.5.1 failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=media-gfx/autopano-sift-C-2.5.1'`,
 * the complete build log and the output of `emerge -pqv '=media-gfx/autopano-sift-C-2.5.1'`.
 * The complete build log is located at '/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/temp/environment'.
 * Working directory: '/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1_build'
 * S: '/var/tmp/portage/media-gfx/autopano-sift-C-2.5.1/work/autopano-sift-C-2.5.1'