>>> pppd 2.5.0 Extracting
gzip -d -c /home/buildroot/instance-0/dl/pppd/pppd-2.5.0.tar.gz | tar --strip-components=1 -C /home/buildroot/instance-0/output-1/build/pppd-2.5.0   -xf -
>>> pppd 2.5.0 Patching

Applying 0001-Add-configure-check-to-see-if-we-have-struct-sockadd.patch using patch: 
patching file configure.ac
patching file pppd/plugins/pppoe/config.h.in

Applying 0002-Closes-411-Fixing-up-parsing-in-radiusclient.conf.patch using patch: 
patching file pppd/plugins/radius/config.c

Applying 0003-Fixes-issue-429-stray-include-of-an-openssl-header-w.patch using patch: 
patching file pppd/crypto_ms.c

Applying 0004-pppd-ppp-sha1.c-use-uint32_t-instead-of-u_int32_t.patch using patch: 
patching file pppd/ppp-sha1.c
>>> pppd 2.5.0 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/buildroot/instance-0/output-1/build/pppd-2.5.0 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> pppd 2.5.0 Configuring
>>> pppd 2.5.0 Autoreconfiguring
libtoolize: putting auxiliary files in '.'.
libtoolize: copying file './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:18: installing './compile'
configure.ac:22: installing './config.guess'
configure.ac:22: installing './config.sub'
configure.ac:9: installing './install-sh'
configure.ac:9: installing './missing'
Makefile.am: installing './INSTALL'
chat/Makefile.am: installing './depcomp'
parallel-tests: installing './test-driver'
>>> pppd 2.5.0 Patching libtool
patching file /home/buildroot/instance-0/output-1/build/pppd-2.5.0/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/instance-0/output-1/build/pppd-2.5.0/ && rm -rf config.cache && GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" AR="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-ar" AS="/home/buildroot/instance-0/output-1/host/bin/i686-linux-as" LD="/home/buildroot/instance-0/output-1/host/bin/i686-linux-ld" NM="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-nm" CC="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc" GCC="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc" CPP="/home/buildroot/instance-0/output-1/host/bin/i686-linux-cpp" CXX="/home/buildroot/instance-0/output-1/host/bin/i686-linux-g++" FC="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gfortran" F77="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gfortran" RANLIB="/home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-ranlib" READELF="/home/buildroot/instance-0/output-1/host/bin/i686-linux-readelf" STRIP="/home/buildroot/instance-0/output-1/host/bin/i686-linux-strip" OBJCOPY="/home/buildroot/instance-0/output-1/host/bin/i686-linux-objcopy" OBJDUMP="/home/buildroot/instance-0/output-1/host/bin/i686-linux-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/instance-0/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/instance-0/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/instance-0/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/instance-0/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/instance-0/output-1/host/bin/i686-linux-as" DEFAULT_LINKER="/home/buildroot/instance-0/output-1/host/bin/i686-linux-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 -g0 " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 " LDFLAGS="" FCFLAGS=" -O2 -g0" FFLAGS=" -O2 -g0" PKG_CONFIG="/home/buildroot/instance-0/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/instance-0/output-1/host/i686-buildroot-linux-uclibc/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=i686-buildroot-linux-uclibc --host=i686-buildroot-linux-uclibc --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  --enable-multilink --enable-eaptls --enable-openssl-engine --enable-peap --with-openssl=/home/buildroot/instance-0/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr --without-pcap --disable-systemd )
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
checking whether make supports nested variables... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for i686-buildroot-linux-uclibc-strip... /home/buildroot/instance-0/output-1/host/bin/i686-linux-strip
checking for a race-free mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... yes
checking for i686-buildroot-linux-uclibc-gcc... /home/buildroot/instance-0/output-1/host/bin/i686-linux-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 the compiler supports GNU C... yes
checking whether /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc accepts -g... yes
checking for /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc option to enable C11 features... none needed
checking whether /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc understands -c and -o together... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc... none
checking whether ln -s works... yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... i686-buildroot-linux-uclibc
checking how to print strings... printf
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 for ld used by /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc... /home/buildroot/instance-0/output-1/host/bin/i686-linux-ld
checking if the linker (/home/buildroot/instance-0/output-1/host/bin/i686-linux-ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-nm
checking the name lister (/home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-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 i686-buildroot-linux-uclibc 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 /home/buildroot/instance-0/output-1/host/bin/i686-linux-ld option to reload object files... -r
checking for i686-buildroot-linux-uclibc-objdump... /home/buildroot/instance-0/output-1/host/bin/i686-linux-objdump
checking how to recognize dependent libraries... pass_all
checking for i686-buildroot-linux-uclibc-dlltool... no
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for i686-buildroot-linux-uclibc-ar... /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-ar
checking for archiver @FILE support... @
checking for i686-buildroot-linux-uclibc-strip... (cached) /home/buildroot/instance-0/output-1/host/bin/i686-linux-strip
checking for i686-buildroot-linux-uclibc-ranlib... /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-ranlib
checking command to parse /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc-nm output from /home/buildroot/instance-0/output-1/host/bin/i686-linux-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 i686-buildroot-linux-uclibc-mt... no
checking for mt... mt
configure: WARNING: using cross tools not prefixed with host triplet
checking if mt is a manifest tool... no
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc supports -fno-rtti -fno-exceptions... no
checking for /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc option to produce PIC... -fPIC -DPIC
checking if /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc PIC flag -fPIC -DPIC works... yes
checking if /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc static flag -static works... yes
checking if /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc supports -c -o file.o... yes
checking if /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc supports -c -o file.o... (cached) yes
checking whether the /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc linker (/home/buildroot/instance-0/output-1/host/bin/i686-linux-ld) 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 pkg-config is at least version 0.9.0... yes
checking for _Bool... yes
checking for stdbool.h that conforms to C99 or later... yes
checking for asm/types.h... yes
checking for crypt.h... yes
checking for paths.h... yes
checking for shadow.h... yes
checking for stddef.h... yes
checking for stdarg.h... yes
checking for sys/dlpi.h... no
checking for sys/ioctl.h... yes
checking for sys/socket.h... yes
checking for sys/time.h... yes
checking for sys/uio.h... yes
checking for time.h... yes
checking for unistd.h... (cached) yes
checking for utmp.h... yes
checking for net/bpf.h... no
checking for net/if.h... yes
checking for net/if_types.h... no
checking for net/if_arp.h... yes
checking for linux/if.h... no
checking for linux/if_ether.h... yes
checking for linux/if_packet.h... yes
checking for netinet/if_ether.h... yes
checking for netpacket/packet.h... yes
checking for struct sockaddr_ll... yes
checking size of unsigned int... 4
checking size of unsigned long... 4
checking size of unsigned short... 2
checking for mmap... yes
checking for logwtmp... yes
checking for strerror... yes
checking for crypt in -lcrypt... yes
checking for openssl/ssl.h in /home/buildroot/instance-0/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr... yes
checking whether compiling and linking against OpenSSL works... yes
checking how to run the C preprocessor... /home/buildroot/instance-0/output-1/host/bin/i686-linux-cpp
checking for md4 support in openssl... yes
checking for md5 support in openssl... yes
checking for des support in openssl... yes
checking for sha support in openssl... yes
checking if compiling and linking against libsrp works... no
checking if compiling and linking against libatm works... no
checking if compiling and linking against libpam works... yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating chat/Makefile
config.status: creating contrib/Makefile
config.status: creating contrib/pppgetpass/Makefile
config.status: creating common/Makefile
config.status: creating include/Makefile
config.status: creating modules/Makefile
config.status: creating pppd/Makefile
config.status: creating pppd/pppd.pc
config.status: creating pppd/plugins/Makefile
config.status: creating pppd/plugins/pppoe/Makefile
config.status: creating pppd/plugins/pppoatm/Makefile
config.status: creating pppd/plugins/pppol2tp/Makefile
config.status: creating pppd/plugins/radius/Makefile
config.status: creating pppdump/Makefile
config.status: creating pppstats/Makefile
config.status: creating scripts/Makefile
config.status: creating pppd/config.h
config.status: creating pppd/pppdconf.h
config.status: creating pppd/plugins/pppoe/config.h
config.status: executing depfiles commands
config.status: executing libtool 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

ppp version 2.5.0
    Prefix...............: /usr
    Runtime Dir..........: ${localstatedir}/run/pppd
    Logfile Dir..........: /var/log/ppp
    Plugin Dir...........: ${exec_prefix}/lib/pppd/2.5.0
    System CA Path ......: /etc/ssl/certs
    With OpenSSL.........: /home/buildroot/instance-0/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr
    With libatm..........: no
    With libpam..........: yes
    With libpcap.........: no
    With libsrp..........: no
    C Compiler...........: /home/buildroot/instance-0/output-1/host/bin/i686-linux-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 
    Linker...............: /home/buildroot/instance-0/output-1/host/bin/i686-linux-ld  

Features enabled
    Microsoft Extensions.: yes
    Multilink............: yes
    Plugins..............: yes
    CBCP.................: no
    IPV6CP...............: yes
    EAP-TLS..............: yes
    PEAP.................: yes
    systemd notifications: no

>>> pppd 2.5.0 Building
GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"  /usr/bin/make -j17  -C /home/buildroot/instance-0/output-1/build/pppd-2.5.0/
make[1]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0'
Making all in chat
make[2]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/chat'
  CC       chat-chat.o
  CCLD     chat
make[2]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/chat'
Making all in contrib
make[2]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/contrib'
Making all in pppgetpass
make[3]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/contrib/pppgetpass'
  CC       pppgetpass_vt-pppgetpass.vt.o
  CCLD     pppgetpass.vt
make[3]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/contrib/pppgetpass'
make[3]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/contrib'
make[3]: Nothing to be done for 'all-am'.
make[3]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/contrib'
make[2]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/contrib'
Making all in pppd
make[2]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/pppd'
/usr/bin/make  all-am
make[3]: Entering directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/pppd'
  CC       pppd-auth.o
  CC       pppd-ccp.o
  CC       pppd-chap-md5.o
  CC       pppd-chap.o
  CC       pppd-demand.o
  CC       pppd-eap.o
  CC       pppd-ecp.o
  CC       pppd-fsm.o
  CC       pppd-ipcp.o
  CC       pppd-lcp.o
  CC       pppd-magic.o
  CC       pppd-main.o
  CC       pppd-options.o
  CC       pppd-session.o
  CC       pppd-tty.o
  CC       pppd-upap.o
  CC       pppd-utils.o
  CC       pppd-sys-linux.o
  CC       pppd-chap_ms.o
  CC       pppd-crypto_ms.o
  CC       pppd-mppe.o
sys-linux.c: In function 'get_ppp_stats_rtnetlink':
sys-linux.c:1783:29: error: field 'ifsm' has incomplete type
 1783 |         struct if_stats_msg ifsm;
      |                             ^~~~
  CC       pppd-multilink.o
make[3]: *** [Makefile:1314: pppd-sys-linux.o] Error 1
make[3]: *** Waiting for unfinished jobs....
  CC       pppd-tdb.o
make[3]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/pppd'
make[2]: *** [Makefile:802: all] Error 2
make[2]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0/pppd'
make[1]: *** [Makefile:523: all-recursive] Error 1
make[1]: Leaving directory '/home/buildroot/instance-0/output-1/build/pppd-2.5.0'
make: *** [package/pkg-generic.mk:283: /home/buildroot/instance-0/output-1/build/pppd-2.5.0/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/instance-0/buildroot'