>>> rng-tools 6.10 Downloading
--2020-03-29 20:50:20--  https://github.com/nhorman/rng-tools/archive/v6.10/rng-tools-6.10.tar.gz
Resolving github.com (github.com)... 140.82.118.3
Connecting to github.com (github.com)|140.82.118.3|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/nhorman/rng-tools/tar.gz/v6.10 [following]
--2020-03-29 20:50:21--  https://codeload.github.com/nhorman/rng-tools/tar.gz/v6.10
Resolving codeload.github.com (codeload.github.com)... 140.82.113.9
Connecting to codeload.github.com (codeload.github.com)|140.82.113.9|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/buildroot/autobuild/run/instance-2/output-1/build/.rng-tools-6.10.tar.gz.GMeBBd/output'

     0K .......... .......... .......... .......... ..........  287K
    50K .....                                                  67.8M=0.2s

2020-03-29 20:50:21 (318 KB/s) - '/home/buildroot/autobuild/run/instance-2/output-1/build/.rng-tools-6.10.tar.gz.GMeBBd/output' saved [56806]

rng-tools-6.10.tar.gz: OK (sha256: 2e462821aaa7d6dc24646aa0d2239d97cb8b07b3e60715159a9edcaa9189f8ef)
>>> rng-tools 6.10 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-2/dl/rng-tools/rng-tools-6.10.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10   -xf -
>>> rng-tools 6.10 Patching

Applying 0001-configure.ac-fix-with-rtlsdr-option.patch using patch: 
patching file configure.ac
>>> rng-tools 6.10 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> rng-tools 6.10 Configuring
>>> rng-tools 6.10 Autoreconfiguring
configure.ac:60: installing './compile'
configure.ac:23: installing './config.guess'
configure.ac:23: installing './config.sub'
configure.ac:24: installing './install-sh'
configure.ac:24: installing './missing'
Makefile.am: installing './depcomp'
parallel-tests: installing './test-driver'
>>> rng-tools 6.10 Patching libtool
(cd /home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/ && rm -rf config.cache && PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" AR="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ar" AS="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-as" LD="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ld" NM="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-nm" CC="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc" GCC="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc" CPP="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-cpp" CXX="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-g++" FC="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gfortran" F77="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gfortran" RANLIB="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ranlib" READELF="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-readelf" STRIP="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-strip" OBJCOPY="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-objcopy" OBJDUMP="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/autobuild/run/instance-2/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/run/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-as" DEFAULT_LINKER="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -O2 " FFLAGS=" -O2 " PKG_CONFIG="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/run/instance-2/output-1/host/x86_64-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl ac_cv_lbl_unaligned_fail=no ac_cv_func_mmap_fixed_mapped=yes ac_cv_func_memcmp_working=yes ac_cv_have_decl_malloc=yes gl_cv_func_malloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes ac_cv_func_calloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes lt_cv_sys_lib_search_path_spec="" ac_cv_c_bigendian=no   CONFIG_SITE=/dev/null ./configure --target=x86_64-buildroot-linux-gnu --host=x86_64-buildroot-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --localstatedir=/var --program-prefix="" --disable-gtk-doc --disable-gtk-doc-html --disable-doc --disable-docs --disable-documentation --with-xmlto=no --with-fop=no --disable-dependency-tracking --enable-ipv6 --disable-nls --disable-static --enable-shared  --without-nistbeacon --without-pkcs11 --without-rtlsdr )
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --with-xmlto, --with-fop, --enable-ipv6, --disable-nls, --disable-static, --enable-shared
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-buildroot-linux-gnu
checking target system type... x86_64-buildroot-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for x86_64-buildroot-linux-gnu-strip... /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-strip
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for style of include used by make... GNU
checking for x86_64-buildroot-linux-gnu-gcc... /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-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... yes
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc accepts -g... yes
checking for /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc option to accept ISO C89... none needed
checking whether /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc understands -c and -o together... yes
checking dependency style of /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc... none
checking dependency style of /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc... none
checking for x86_64-buildroot-linux-gnu-gcc... (cached) /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc accepts -g... (cached) yes
checking for /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc option to accept ISO C89... (cached) none needed
checking whether /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc understands -c and -o together... (cached) yes
checking dependency style of /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc... (cached) none
checking for x86_64-buildroot-linux-gnu-ranlib... /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ranlib
checking how to run the C preprocessor... /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-cpp
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking whether /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc needs -traditional... no
checking for x86_64-buildroot-linux-gnu-ar... /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ar
checking for a sed that does not truncate output... /bin/sed
checking whether /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc is Clang... no
checking whether pthreads work with -pthread... yes
checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE
checking whether more special flags are required for pthreads... no
checking for PTHREAD_PRIO_INHERIT... yes
configure: Searching for jitterentropy library
checking for library containing jent_version... -ljitterentropy
checking pkg-config is at least version 0.9.0... yes
checking for openssl... yes
checking for library containing sysfs_get_mnt_path... -lsysfs
checking dependency style of /home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc... (cached) none
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating contrib/Makefile
config.status: creating tests/Makefile
config.status: creating rngd.8
config.status: creating rngtest.1
config.status: creating rng-tools-config.h
config.status: executing depfiles commands
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --with-xmlto, --with-fop, --enable-ipv6, --disable-nls, --disable-static, --enable-shared
>>> rng-tools 6.10 Building
PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games"  /usr/bin/make -j4  -C /home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10'
/usr/bin/make  all-recursive
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10'
Making all in contrib
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/contrib'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/contrib'
Making all in tests
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/tests'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/tests'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10'
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o fips.o fips.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o stats.o stats.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngtest.o rngtest.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64        -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngd-rngd.o `test -f 'rngd.c' || echo './'`rngd.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64        -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngd-rngd_entsource.o `test -f 'rngd_entsource.c' || echo './'`rngd_entsource.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64        -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngd-rngd_linux.o `test -f 'rngd_linux.c' || echo './'`rngd_linux.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64        -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngd-util.o `test -f 'util.c' || echo './'`util.c
rngd_linux.c: In function 'random_add_entropy':
rngd_linux.c:154:3: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
   write(random_fd, buf, size);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64        -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngd-rngd_rdrand.o `test -f 'rngd_rdrand.c' || echo './'`rngd_rdrand.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rdrand_asm.o rdrand_asm.S
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64        -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -c -o rngd-rngd_jitter.o `test -f 'rngd_jitter.c' || echo './'`rngd_jitter.c
rm -f librngd.a
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ar cru librngd.a fips.o 
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-ranlib librngd.a
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/x86_64-amd-linux-gnu-gcc  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1   -o rngtest stats.o rngtest.o librngd.a -lsysfs -ljitterentropy 
rngd_rdrand.c: In function 'init_drng_entropy_source':
rngd_rdrand.c:341:3: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result]
   read(fd, key, sizeof key);
   ^~~~~~~~~~~~~~~~~~~~~~~~~
rngd_jitter.c:75:12: error: conflicting types for 'encrypt'
 static int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
            ^~~~~~~
In file included from rngd_jitter.c:27:0:
/home/buildroot/autobuild/run/instance-2/output-1/host/x86_64-buildroot-linux-gnu/sysroot/usr/include/unistd.h:1127:13: note: previous declaration of 'encrypt' was here
 extern void encrypt (char *__glibc_block, int __edflag)
             ^~~~~~~
make[3]: *** [rngd-rngd_jitter.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10'
make: *** [/home/buildroot/autobuild/run/instance-2/output-1/build/rng-tools-6.10/.stamp_built] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-2/buildroot'