>>> host-protobuf-c v1.3.0 Downloading
PATH="/home/buildroot/build/instance-0/output/host/bin:/home/buildroot/build/instance-0/output/host/sbin:/sbin:/usr/sbin:/bin:/usr/bin" BR2_DL_DIR=/home/buildroot/build/instance-0/dl BUILD_DIR=/home/buildroot/build/instance-0/output/build O=/home/buildroot/build/instance-0/output flock /home/buildroot/build/instance-0/dl/protobuf-c/ support/download/dl-wrapper -c 'v1.3.0' -d '/home/buildroot/build/instance-0/dl/protobuf-c' -D '/home/buildroot/build/instance-0/dl' -f 'protobuf-c-v1.3.0.tar.gz' -H 'package/protobuf-c//protobuf-c.hash' -n 'protobuf-c-v1.3.0' -N 'protobuf-c' -o '/home/buildroot/build/instance-0/dl/protobuf-c/protobuf-c-v1.3.0.tar.gz'  -u https+https://github.com/protobuf-c/protobuf-c/archive/v1.3.0 -u http\|urlencode+http://sources.buildroot.net/protobuf-c -u http\|urlencode+http://sources.buildroot.net  -- 
converted 'https://github.com/protobuf-c/protobuf-c/archive/v1.3.0/protobuf-c-v1.3.0.tar.gz' (ANSI_X3.4-1968) -> 'https://github.com/protobuf-c/protobuf-c/archive/v1.3.0/protobuf-c-v1.3.0.tar.gz' (UTF-8)
--2018-06-24 14:51:34--  https://github.com/protobuf-c/protobuf-c/archive/v1.3.0/protobuf-c-v1.3.0.tar.gz
Resolving github.com (github.com)... 192.30.253.112, 192.30.253.113
Connecting to github.com (github.com)|192.30.253.112|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/protobuf-c/protobuf-c/tar.gz/v1.3.0 [following]
converted 'https://codeload.github.com/protobuf-c/protobuf-c/tar.gz/v1.3.0' (ANSI_X3.4-1968) -> 'https://codeload.github.com/protobuf-c/protobuf-c/tar.gz/v1.3.0' (UTF-8)
--2018-06-24 14:51:35--  https://codeload.github.com/protobuf-c/protobuf-c/tar.gz/v1.3.0
Resolving codeload.github.com (codeload.github.com)... 192.30.253.121, 192.30.253.120
Connecting to codeload.github.com (codeload.github.com)|192.30.253.121|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/buildroot/build/instance-0/output/build/.protobuf-c-v1.3.0.tar.gz.jqd60H/output'

     0K .......... .......... .......... .......... ..........  318K
    50K .......... .......... .......... .......... ..........  637K
   100K .......... ..........                                  85.8M=0.2s

2018-06-24 14:51:36 (510 KB/s) - '/home/buildroot/build/instance-0/output/build/.protobuf-c-v1.3.0.tar.gz.jqd60H/output' saved [123153]

protobuf-c-v1.3.0.tar.gz: OK (sha256: fd8f6f5d6927330cf2b8b4ec8332de8b1ee2b8f2480b52ee3f221aad6de2082c)
>>> host-protobuf-c v1.3.0 Extracting
gzip -d -c /home/buildroot/build/instance-0/dl/protobuf-c/protobuf-c-v1.3.0.tar.gz | tar --strip-components=1 -C /home/buildroot/build/instance-0/output/build/host-protobuf-c-v1.3.0   -xf -
>>> host-protobuf-c v1.3.0 Patching

Applying 0001-Add-std-to-some-types.patch using patch: 
patching file protoc-c/c_file.h
patching file protoc-c/c_generator.cc
patching file protoc-c/c_helpers.cc

Applying 0002-Fix-build-with-protobuf-3.6.x.patch using patch: 
patching file protoc-c/c_field.cc
patching file protoc-c/c_field.h
patching file protoc-c/c_file.cc
patching file protoc-c/c_file.h
Hunk #1 succeeded at 98 with fuzz 1.
patching file protoc-c/c_generator.cc
patching file protoc-c/c_helpers.cc
patching file protoc-c/c_message.cc
patching file protoc-c/c_message.h
>>> host-protobuf-c v1.3.0 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/buildroot/build/instance-0/output/build/host-protobuf-c-v1.3.0 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> host-protobuf-c v1.3.0 Configuring
>>> host-protobuf-c v1.3.0 Autoreconfiguring
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'build-aux'.
libtoolize: copying file 'build-aux/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
configure.ac:14: installing 'build-aux/compile'
configure.ac:22: installing 'build-aux/config.guess'
configure.ac:22: installing 'build-aux/config.sub'
configure.ac:13: installing 'build-aux/install-sh'
configure.ac:13: installing 'build-aux/missing'
Makefile.am: installing 'build-aux/depcomp'
parallel-tests: installing 'build-aux/test-driver'
>>> host-protobuf-c v1.3.0 Patching libtool
patching file /home/buildroot/build/instance-0/output/build/host-protobuf-c-v1.3.0/build-aux/ltmain.sh
Hunk #1 succeeded at 2694 (offset 7 lines).
Hunk #2 succeeded at 4284 (offset 7 lines).
Hunk #3 succeeded at 6579 (offset 25 lines).
Hunk #4 succeeded at 6589 (offset 25 lines).
Hunk #5 succeeded at 6882 (offset 25 lines).
Hunk #6 succeeded at 7174 (offset 25 lines).
Hunk #7 succeeded at 8140 (offset 28 lines).
Hunk #8 succeeded at 10769 (offset 59 lines).
(cd /home/buildroot/build/instance-0/output/build/host-protobuf-c-v1.3.0/ && rm -rf config.cache; PATH="/home/buildroot/build/instance-0/output/host/bin:/home/buildroot/build/instance-0/output/host/sbin:/sbin:/usr/sbin:/bin:/usr/bin" PKG_CONFIG="/home/buildroot/build/instance-0/output/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/buildroot/build/instance-0/output/host/lib/pkgconfig:/home/buildroot/build/instance-0/output/host/share/pkgconfig" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" CC="/usr/bin/gcc" GCC="/usr/bin/gcc" CXX="/usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy" RANLIB="/usr/bin/ranlib" CPPFLAGS="-I/home/buildroot/build/instance-0/output/host/include" CFLAGS="-O2 -I/home/buildroot/build/instance-0/output/host/include" CXXFLAGS="-O2 -I/home/buildroot/build/instance-0/output/host/include" LDFLAGS="-L/home/buildroot/build/instance-0/output/host/lib -Wl,-rpath,/home/buildroot/build/instance-0/output/host/lib" INTLTOOL_PERL=/usr/bin/perl CFLAGS="-O2 -I/home/buildroot/build/instance-0/output/host/include" LDFLAGS="-L/home/buildroot/build/instance-0/output/host/lib -Wl,-rpath,/home/buildroot/build/instance-0/output/host/lib"  CONFIG_SITE=/dev/null ./configure --prefix="/home/buildroot/build/instance-0/output/host" --sysconfdir="/home/buildroot/build/instance-0/output/host/etc" --localstatedir="/home/buildroot/build/instance-0/output/host/var" --enable-shared --disable-static --disable-gtk-doc --disable-gtk-doc-html --disable-doc --disable-docs --disable-documentation --disable-debug --with-xmlto=no --with-fop=no --disable-dependency-tracking   )
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --disable-debug, --with-xmlto, --with-fop
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking for style of include used by make... GNU
checking for gcc... /usr/bin/gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /usr/bin/gcc accepts -g... yes
checking for /usr/bin/gcc option to accept ISO C89... none needed
checking whether /usr/bin/gcc understands -c and -o together... yes
checking dependency style of /usr/bin/gcc... none
checking for /usr/bin/gcc option to accept ISO C99... -std=gnu99
checking for /usr/bin/gcc -std=gnu99 option to accept ISO Standard C... (cached) -std=gnu99
checking whether we are using the GNU C++ compiler... yes
checking whether /usr/bin/g++ accepts -g... yes
checking dependency style of /usr/bin/g++... none
checking whether ln -s works... yes
checking how to run the C preprocessor... /usr/bin/cpp
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
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 minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking whether make supports nested variables... (cached) yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking how to print strings... printf
checking for a sed that does not truncate output... /bin/sed
checking for fgrep... /bin/grep -F
checking for ld used by /usr/bin/gcc -std=gnu99... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm
checking the name lister (/usr/bin/nm) 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 archiver @FILE support... @
checking for strip... strip
checking for ranlib... /usr/bin/ranlib
checking command to parse /usr/bin/nm output from /usr/bin/gcc -std=gnu99 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... mt
checking if mt is a manifest tool... no
checking for dlfcn.h... yes
checking for objdir... .libs
checking if /usr/bin/gcc -std=gnu99 supports -fno-rtti -fno-exceptions... no
checking for /usr/bin/gcc -std=gnu99 option to produce PIC... -fPIC -DPIC
checking if /usr/bin/gcc -std=gnu99 PIC flag -fPIC -DPIC works... yes
checking if /usr/bin/gcc -std=gnu99 static flag -static works... yes
checking if /usr/bin/gcc -std=gnu99 supports -c -o file.o... yes
checking if /usr/bin/gcc -std=gnu99 supports -c -o file.o... (cached) yes
checking whether the /usr/bin/gcc -std=gnu99 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... no
checking how to run the C++ preprocessor... /usr/bin/g++ -E
checking for ld used by /usr/bin/g++... /usr/bin/ld -m elf_x86_64
checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld... yes
checking whether the /usr/bin/g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking for /usr/bin/g++ option to produce PIC... -fPIC -DPIC
checking if /usr/bin/g++ PIC flag -fPIC -DPIC works... yes
checking if /usr/bin/g++ static flag -static works... yes
checking if /usr/bin/g++ supports -c -o file.o... yes
checking if /usr/bin/g++ supports -c -o file.o... (cached) yes
checking whether the /usr/bin/g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether C compiler accepts "-Wc99-c11-compat"... no
checking whether C compiler accepts "-Werror=incompatible-pointer-types"... no
checking whether C compiler accepts "-Werror=int-conversion"... no
checking whether C compiler accepts "-Wnull-dereference"... no
checking for doxygen... doxygen
checking pkg-config is at least version 0.9.0... yes
checking for protobuf... yes
checking google/protobuf/compiler/command_line_interface.h usability... no
checking google/protobuf/compiler/command_line_interface.h presence... no
checking for google/protobuf/compiler/command_line_interface.h... no
configure: error: required protobuf header file not found
package/pkg-generic.mk:219: recipe for target '/home/buildroot/build/instance-0/output/build/host-protobuf-c-v1.3.0/.stamp_configured' failed
make: *** [/home/buildroot/build/instance-0/output/build/host-protobuf-c-v1.3.0/.stamp_configured] Error 1
make: Leaving directory '/home/buildroot/build/instance-0/buildroot'