>>> host-gmp 6.2.1 Extracting
xzcat /home/buildroot/autobuild/instance-0/dl/gmp/gmp-6.2.1.tar.xz | tar --strip-components=1 -C /home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1   -xf -
>>> host-gmp 6.2.1 Patching

Applying 0001-mpz-inp_raw.c-Avoid-bit-size-overflows.patch using patch: 
patching file mpz/inp_raw.c
>>> host-gmp 6.2.1 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> host-gmp 6.2.1 Patching libtool
patching file /home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1/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).
>>> host-gmp 6.2.1 Configuring
(cd /home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1/ && rm -rf config.cache; PATH="/home/buildroot/autobuild/instance-0/output-1/host/bin:/home/buildroot/autobuild/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" PKG_CONFIG="/home/buildroot/autobuild/instance-0/output-1/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/autobuild/instance-0/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/instance-0/output-1/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/autobuild/instance-0/output-1/host/include" CFLAGS="-O2 -I/home/buildroot/autobuild/instance-0/output-1/host/include" CXXFLAGS="-O2 -I/home/buildroot/autobuild/instance-0/output-1/host/include" LDFLAGS="-L/home/buildroot/autobuild/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-0/output-1/host/lib" INTLTOOL_PERL=/usr/bin/perl CFLAGS="-O2 -I/home/buildroot/autobuild/instance-0/output-1/host/include" LDFLAGS="-L/home/buildroot/autobuild/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-0/output-1/host/lib"  CONFIG_SITE=/dev/null ./configure --prefix="/home/buildroot/autobuild/instance-0/output-1/host" --sysconfdir="/home/buildroot/autobuild/instance-0/output-1/host/etc" --localstatedir="/home/buildroot/autobuild/instance-0/output-1/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-nls --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, --disable-nls, --disable-dependency-tracking
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
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 whether to enable maintainer-specific portions of Makefiles... no
checking ABI=64
checking compiler /usr/bin/gcc -O2 -I/home/buildroot/autobuild/instance-0/output-1/host/include -I/home/buildroot/autobuild/instance-0/output-1/host/include... yes
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... configure: error: in `/home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1':
configure: error: cannot compute suffix of executables: cannot compile and link
See `config.log' for more details
package/pkg-generic.mk:273: recipe for target '/home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1/.stamp_configured' failed
make: *** [/home/buildroot/autobuild/instance-0/output-1/build/host-gmp-6.2.1/.stamp_configured] Error 1
make: Leaving directory '/home/buildroot/autobuild/instance-0/buildroot'