Source: libpng1.6
Version: 1.6.26-1
Severity: serious
Justification: fails to build from source
User: reproducible-builds@lists.alioth.debian.org
Usertags: ftbfs
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Dear Maintainer,

libpng1.6 fails to build from source in unstable/amd64:

  […]

  checking whether gcc accepts -g... yes
  checking for gcc option to accept ISO C89... none needed
  checking whether gcc understands -c and -o together... yes
  checking for style of include used by make... GNU
  checking dependency style of gcc... none
  checking dependency style of gcc... none
  checking build system type... x86_64-pc-linux-gnu
  checking host system type... x86_64-pc-linux-gnu
  checking for a sed that does not truncate output... /bin/sed
  checking for grep that handles long lines and -e... /bin/grep
  checking for egrep... /bin/grep -E
  checking for fgrep... /bin/grep -F
  checking how to print strings... printf
  checking for ld used by gcc... /usr/bin/ld
  checking if the linker (/usr/bin/ld) is GNU ld... yes
  checking how to run the C preprocessor... gcc -E
  checking for gawk... (cached) mawk
  checking whether ln -s works... yes
  checking whether make sets $(MAKE)... (cached) yes
  checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
  checking the name lister (/usr/bin/nm -B) interface... BSD nm
  checking the maximum length of command line arguments... 1572864
  checking how to convert x86_64-pc-linux-gnu file names to x86_64-pc-linux-gnu 
format... func_convert_file_noop
  checking how to convert x86_64-pc-linux-gnu file names to toolchain format... 
func_convert_file_noop
  checking for /usr/bin/ld option to reload object files... -r
  checking for objdump... objdump
  checking how to recognize dependent libraries... pass_all
  checking for dlltool... no
  checking how to associate runtime and link libraries... printf %s\n
  checking for ar... ar
  checking for archiver @FILE support... @
  checking for strip... strip
  checking for ranlib... ranlib
  checking command to parse /usr/bin/nm -B output from gcc object... ok
  checking for sysroot... no
  checking for a working dd... /bin/dd
  checking how to truncate binary pipes... /bin/dd bs=4096 count=1
  checking for mt... no
  checking if : is a manifest tool... no
  checking for ANSI C header files... yes
  checking for sys/types.h... yes
  checking for sys/stat.h... yes
  checking for stdlib.h... yes
  checking for string.h... yes
  checking for memory.h... yes
  checking for strings.h... yes
  checking for inttypes.h... yes
  checking for stdint.h... yes
  checking for unistd.h... yes
  checking for dlfcn.h... yes
  checking for objdir... .libs
  checking if gcc supports -fno-rtti -fno-exceptions... no
  checking for gcc option to produce PIC... -fPIC -DPIC
  checking if gcc PIC flag -fPIC -DPIC works... yes
  checking if gcc static flag -static works... yes
  checking if gcc supports -c -o file.o... yes
  checking if gcc supports -c -o file.o... (cached) yes
  checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared 
libraries... yes
  checking whether -lc should be explicitly linked in... no
  checking dynamic linker characteristics... GNU/Linux ld.so
  checking how to hardcode library paths into programs... immediate
  checking whether stripping libraries is possible... yes
  checking if libtool supports shared libraries... yes
  checking whether to build shared libraries... yes
  checking whether to build static libraries... yes
  checking that AWK works... ok
  checking if we need to force back C standard to C89... no
  checking for ANSI C header files... (cached) yes
  checking for an ANSI C-conforming const... yes
  checking for size_t... yes
  checking whether struct tm is in sys/time.h or time.h... time.h
  checking for C/C++ restrict keyword... __restrict
  checking for working strtod... yes
  checking for memset... yes
  checking for pow... no
  checking for pow in -lm... yes
  checking for clock_gettime... yes
  checking for zlibVersion in -lz... yes
  checking for feenableexcept in -lm... yes
  checking for feenableexcept... yes
  checking if using Solaris linker... no
  checking if libraries can be versioned... yes
  checking for symbol prefix... 
  configure: pkgconfig directory is ${libdir}/pkgconfig
  configure: Extra options for compiler: 
  checking that generated files are newer than configure... done
  configure: creating ./config.status
  config.status: creating Makefile
  config.status: creating libpng.pc
  config.status: creating libpng-config
  config.status: creating config.h
  config.status: executing depfiles commands
  config.status: executing libtool commands
     dh_auto_build
        make -j9
  make[1]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  rm -f pnglibconf.c pnglibconf.tf[45]
  mawk -f ./scripts/options.awk out=pnglibconf.tf4 version=search\
      ./pngconf.h ./scripts/pnglibconf.dfa\
      ./pngusr.dfa  1>&2
  mawk -f ./scripts/options.awk out=pnglibconf.tf5 pnglibconf.tf4 1>&2
  rm pnglibconf.tf4
  mv pnglibconf.tf5 pnglibconf.c
  rm -f pnglibconf.out pnglibconf.tf[12]
  test -d scripts || mkdir scripts || test -d scripts
  gcc -E -DHAVE_CONFIG_H -I. \
      -Wdate-time -D_FORTIFY_SOURCE=2 -DPNGLIB_LIBNAME='PNG16_0' 
-DPNGLIB_VERSION='1.6.26' -DSYMBOL_PREFIX='' -DPNG_NO_USE_READ_MACROS 
-DPNG_BUILDING_SYMBOL_TABLE  pnglibconf.c > pnglibconf.tf1
  mawk -f "./scripts/dfn.awk" out="pnglibconf.tf2" pnglibconf.tf1 1>&2
  rm -f pnglibconf.tf1
  mv pnglibconf.tf2 pnglibconf.out
  rm -f pnglibconf.h
  cp pnglibconf.out pnglibconf.h
  make  all-am
  make[2]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  :>pngprefix.h
  rm -f scripts/vers.out scripts/vers.tf[12]
  cp libpng-config libpng16-config
  cp libpng.pc libpng16.pc
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngtest.o 
pngtest.c
  test -d scripts || mkdir scripts || test -d scripts
  gcc -E -DHAVE_CONFIG_H -I. \
      -Wdate-time -D_FORTIFY_SOURCE=2 -DPNGLIB_LIBNAME='PNG16_0' 
-DPNGLIB_VERSION='1.6.26' -DSYMBOL_PREFIX='' -DPNG_NO_USE_READ_MACROS 
-DPNG_BUILDING_SYMBOL_TABLE  scripts/vers.c > scripts/vers.tf1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o png.lo png.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngerror.lo 
pngerror.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngget.lo pngget.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngmem.lo pngmem.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngpread.lo 
pngpread.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngread.lo 
pngread.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngrio.lo pngrio.c
  mawk -f "./scripts/dfn.awk" out="scripts/vers.tf2" scripts/vers.tf1 1>&2
  rm -f scripts/vers.tf1
  mv scripts/vers.tf2 scripts/vers.out
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngrtran.lo 
pngrtran.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngpread.c  -fPIC 
-DPIC -o .libs/pngpread.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngerror.c  -fPIC 
-DPIC -o .libs/pngerror.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngmem.c  -fPIC 
-DPIC -o .libs/pngmem.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngget.c  -fPIC 
-DPIC -o .libs/pngget.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngrtran.c  -fPIC 
-DPIC -o .libs/pngrtran.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngrio.c  -fPIC 
-DPIC -o .libs/pngrio.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c png.c  -fPIC -DPIC 
-o .libs/png.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngread.c  -fPIC 
-DPIC -o .libs/pngread.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngrio.c -o pngrio.o 
>/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngmem.c -o pngmem.o 
>/dev/null 2>&1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngrutil.lo 
pngrutil.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngerror.c -o 
pngerror.o >/dev/null 2>&1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngset.lo pngset.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngrutil.c  -fPIC 
-DPIC -o .libs/pngrutil.o
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngtrans.lo 
pngtrans.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngset.c  -fPIC 
-DPIC -o .libs/pngset.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngpread.c -o 
pngpread.o >/dev/null 2>&1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngwio.lo pngwio.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngget.c -o pngget.o 
>/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwio.c  -fPIC 
-DPIC -o .libs/pngwio.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngtrans.c  -fPIC 
-DPIC -o .libs/pngtrans.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwio.c -o pngwio.o 
>/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngtrans.c -o 
pngtrans.o >/dev/null 2>&1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngwrite.lo 
pngwrite.c
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngwtran.lo 
pngwtran.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwrite.c  -fPIC 
-DPIC -o .libs/pngwrite.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngset.c -o pngset.o 
>/dev/null 2>&1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o pngwutil.lo 
pngwutil.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwtran.c  -fPIC 
-DPIC -o .libs/pngwtran.o
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o mips/mips_init.lo 
mips/mips_init.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c png.c -o png.o 
>/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwutil.c  -fPIC 
-DPIC -o .libs/pngwutil.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c mips/mips_init.c  
-fPIC -DPIC -o mips/.libs/mips_init.o
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwtran.c -o 
pngwtran.o >/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngread.c -o 
pngread.o >/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c mips/mips_init.c -o 
mips/mips_init.o >/dev/null 2>&1
  /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.   
-Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
mips/filter_msa_intrinsics.lo mips/filter_msa_intrinsics.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngrutil.c -o 
pngrutil.o >/dev/null 2>&1
  rm -f libpng.vers
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/tools/pngfix.o contrib/tools/pngfix.c
  cp scripts/vers.out libpng.vers
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/tools/png-fix-itxt.o contrib/tools/png-fix-itxt.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwrite.c -o 
pngwrite.o >/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c 
mips/filter_msa_intrinsics.c  -fPIC -DPIC -o mips/.libs/filter_msa_intrinsics.o
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/libtests/pngunknown.o contrib/libtests/pngunknown.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c 
mips/filter_msa_intrinsics.c -o mips/filter_msa_intrinsics.o >/dev/null 2>&1
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngrtran.c -o 
pngrtran.o >/dev/null 2>&1
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/libtests/pngstest.o contrib/libtests/pngstest.c
  libtool: compile:  gcc -DHAVE_CONFIG_H -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g 
-O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c pngwutil.c -o 
pngwutil.o >/dev/null 2>&1
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/libtests/pngvalid.o contrib/libtests/pngvalid.c
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/libtests/pngimage.o contrib/libtests/pngimage.c
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/tools/pngcp.o contrib/tools/pngcp.c
  gcc -DHAVE_CONFIG_H -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c -o 
contrib/libtests/timepng.o contrib/libtests/timepng.c
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o png-fix-itxt contrib/tools/png-fix-itxt.o  -lm -lz -lm 
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o png-fix-itxt contrib/tools/png-fix-itxt.o  -lz -lm
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -no-undefined 
-export-dynamic -version-number 16:26:0  -Wl,--version-script=libpng.vers  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o libpng16.la -rpath /usr/lib/x86_64-linux-gnu png.lo 
pngerror.lo pngget.lo pngmem.lo pngpread.lo pngread.lo pngrio.lo pngrtran.lo 
pngrutil.lo pngset.lo pngtrans.lo pngwio.lo pngwrite.lo pngwtran.lo pngwutil.lo 
 mips/mips_init.lo mips/filter_msa_intrinsics.lo   -lm -lz -lm 
  libtool: link: gcc -shared  -fPIC -DPIC  .libs/png.o .libs/pngerror.o 
.libs/pngget.o .libs/pngmem.o .libs/pngpread.o .libs/pngread.o .libs/pngrio.o 
.libs/pngrtran.o .libs/pngrutil.o .libs/pngset.o .libs/pngtrans.o 
.libs/pngwio.o .libs/pngwrite.o .libs/pngwtran.o .libs/pngwutil.o 
mips/.libs/mips_init.o mips/.libs/filter_msa_intrinsics.o   -lz -lm  -g -O2 
-specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong 
-Wl,--version-script=libpng.vers -specs=/usr/share/dpkg/no-pie-link.specs 
-Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--as-needed   -Wl,-soname 
-Wl,libpng16.so.16 -o .libs/libpng16.so.16.26.0
  libtool: link: (cd ".libs" && rm -f "libpng16.so.16" && ln -s 
"libpng16.so.16.26.0" "libpng16.so.16")
  libtool: link: (cd ".libs" && rm -f "libpng16.so" && ln -s 
"libpng16.so.16.26.0" "libpng16.so")
  libtool: link: ar cru .libs/libpng16.a  png.o pngerror.o pngget.o pngmem.o 
pngpread.o pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o pngtrans.o 
pngwio.o pngwrite.o pngwtran.o pngwutil.o mips/mips_init.o 
mips/filter_msa_intrinsics.o
  ar: `u' modifier ignored since `D' is the default (see `U')
  libtool: link: ranlib .libs/libpng16.a
  libtool: link: ( cd ".libs" && rm -f "libpng16.la" && ln -s "../libpng16.la" 
"libpng16.la" )
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngfix contrib/tools/pngfix.o libpng16.la -lm -lz -lm 
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngtest pngtest.o libpng16.la -lm -lz -lm 
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o timepng contrib/libtests/timepng.o libpng16.la -lm -lz -lm 
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngunknown contrib/libtests/pngunknown.o libpng16.la -lm -lz 
-lm 
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngstest contrib/libtests/pngstest.o libpng16.la -lm -lz -lm 
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngcp contrib/tools/pngcp.o libpng16.la -lm -lz -lm 
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngimage contrib/libtests/pngimage.o libpng16.la -lm -lz -lm 
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngunknown contrib/libtests/pngunknown.o  
./.libs/libpng16.so -lz -lm
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/timepng contrib/libtests/timepng.o  
./.libs/libpng16.so -lz -lm
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngtest pngtest.o  ./.libs/libpng16.so -lz -lm
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngfix contrib/tools/pngfix.o  ./.libs/libpng16.so -lz 
-lm
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngstest contrib/libtests/pngstest.o  
./.libs/libpng16.so -lz -lm
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngimage contrib/libtests/pngimage.o  
./.libs/libpng16.so -lz -lm
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngcp contrib/tools/pngcp.o  ./.libs/libpng16.so -lz 
-lm
  /bin/bash ./libtool  --tag=CC   --mode=link gcc  -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z,relro -Wl,-z,now 
-Wl,--as-needed -o pngvalid contrib/libtests/pngvalid.o libpng16.la -lm -lz -lm 
  libtool: link: gcc -g -O2 
-fdebug-prefix-map=/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26=.
 -specs=/usr/share/dpkg/no-pie-compile.specs -fstack-protector-strong -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 
-specs=/usr/share/dpkg/no-pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now 
-Wl,--as-needed -o .libs/pngvalid contrib/libtests/pngvalid.o  
./.libs/libpng16.so -lz -lm
  make[2]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make[1]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
     debian/rules override_dh_auto_test
  make[1]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  LD_LIBRARY_PATH=".libs:" dh_auto_test
        make -j9 test VERBOSE=1
  make[2]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make  pngtest pngunknown pngstest pngvalid pngimage pngcp timepng
  make[3]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make[3]: 'pngtest' is up to date.
  make[3]: 'pngunknown' is up to date.
  make[3]: 'pngstest' is up to date.
  make[3]: 'pngvalid' is up to date.
  make[3]: 'pngimage' is up to date.
  make[3]: 'pngcp' is up to date.
  make[3]: 'timepng' is up to date.
  make[3]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make  check-TESTS
  make[3]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make[4]: Entering directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  PASS: tests/pngtest
  PASS: tests/pngvalid-gamma-16-to-8
  PASS: tests/pngvalid-gamma-threshold
  PASS: tests/pngvalid-gamma-expand16-transform
  PASS: tests/pngvalid-gamma-transform
  PASS: tests/pngvalid-gamma-background
  PASS: tests/pngvalid-gamma-expand16-background
  PASS: tests/pngvalid-progressive-interlace-standard
  PASS: tests/pngvalid-progressive-standard
  PASS: tests/pngvalid-standard
  PASS: tests/pngvalid-progressive-size
  PASS: tests/pngvalid-gamma-sbit
  PASS: tests/pngvalid-gamma-alpha-mode
  PASS: tests/pngvalid-gamma-expand16-alpha-mode
  PASS: tests/pngvalid-transform
  PASS: tests/pngunknown-IDAT
  PASS: tests/pngunknown-discard
  PASS: tests/pngunknown-if-safe
  PASS: tests/pngunknown-sAPI
  PASS: tests/pngunknown-sTER
  PASS: tests/pngunknown-save
  PASS: tests/pngunknown-vpAg
  PASS: tests/pngimage-quick
  PASS: tests/pngstest-1.8-alpha
  PASS: tests/pngstest-linear-alpha
  PASS: tests/pngstest-linear
  PASS: tests/pngstest-1.8
  PASS: tests/pngstest-none
  PASS: tests/pngstest-none-alpha
  PASS: tests/pngstest-sRGB-alpha
  PASS: tests/pngstest-sRGB
  PASS: tests/pngimage-full
  ============================================================================
  Testsuite summary for libpng 1.6.26
  ============================================================================
  # TOTAL: 32
  # PASS:  32
  # SKIP:  0
  # XFAIL: 0
  # FAIL:  0
  # XPASS: 0
  # ERROR: 0
  ============================================================================
  make[4]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make[3]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  make[2]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  gcc -Wall -g -O2 -c -o pngtest.o pngtest.c
  gcc -o pngtest-static -Wall -g -O2  pngtest.o .libs/libpng16.a -lz -lm
  /usr/bin/ld: .libs/libpng16.a(png.o): relocation R_X86_64_32 against 
`.rodata' can not be used when making a shared object; recompile with -fPIC
  /usr/bin/ld: .libs/libpng16.a(pngerror.o): relocation R_X86_64_32S against 
`.rodata' can not be used when making a shared object; recompile with -fPIC
  /usr/bin/ld: .libs/libpng16.a(pngget.o): relocation R_X86_64_32 against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngmem.o): relocation R_X86_64_32 against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngread.o): relocation R_X86_64_32 against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngrio.o): relocation R_X86_64_32 against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngrtran.o): relocation R_X86_64_32 against 
`.rodata.str1.8' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngrutil.o): relocation R_X86_64_32 against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngset.o): relocation R_X86_64_32 against 
`.rodata.str1.8' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngtrans.o): relocation R_X86_64_32 against 
`.rodata.str1.8' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngwrite.o): relocation R_X86_64_32 against 
`.rodata.str1.8' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngwutil.o): relocation R_X86_64_32S against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: .libs/libpng16.a(pngwio.o): relocation R_X86_64_32 against 
`.rodata.str1.1' can not be used when making a shared object; recompile with 
-fPIC
  /usr/bin/ld: final link failed: Nonrepresentable section on output
  collect2: error: ld returned 1 exit status
  debian/rules:19: recipe for target 'override_dh_auto_test' failed
  make[1]: *** [override_dh_auto_test] Error 1
  make[1]: Leaving directory 
'/home/lamby/temp/cdt.20161115163604.PUXcS2E9fZ.db.libpng1.6/libpng1.6-1.6.26'
  debian/rules:13: recipe for target 'build' failed
  make: *** [build] Error 2

  […]

The full build log is attached.


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      la...@debian.org / chris-lamb.co.uk
       `-

Attachment: libpng1.6.1.6.26-1.unstable.amd64.log.txt.gz
Description: Binary data

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