>>> mongrel2 1.13.0 Extracting
bzcat /home/buildroot/autobuild/instance-2/dl/mongrel2/mongrel2-v1.13.0.tar.bz2 | tar --strip-components=1 -C /home/buildroot/autobuild/instance-2/output-1/build/mongrel2-1.13.0   -xf -
>>> mongrel2 1.13.0 Patching

Applying 0001-Do-not-run-tests.patch using patch: 
patching file Makefile
Hunk #1 succeeded at 18 with fuzz 2 (offset 2 lines).
patching file tools/m2sh/Makefile
Hunk #1 succeeded at 12 with fuzz 2 (offset 3 lines).

Applying 0002-Fix-Makefiles-for-cross-compilation.patch using patch: 
patching file Makefile
patching file tools/config_modules/Makefile
patching file tools/filters/Makefile
patching file tools/m2sh/Makefile
patching file tools/procer/Makefile
>>> mongrel2 1.13.0 Configuring
>>> mongrel2 1.13.0 Building
PATH="/home/buildroot/autobuild/instance-2/output-1/host/bin:/home/buildroot/autobuild/instance-2/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" /usr/bin/make -j4 PATH="/home/buildroot/autobuild/instance-2/output-1/host/bin:/home/buildroot/autobuild/instance-2/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" AR="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc-ar" AS="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-as" LD="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-ld" NM="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc-nm" CC="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc" GCC="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc" CPP="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-cpp" CXX="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-g++" FC="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gfortran" F77="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gfortran" RANLIB="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc-ranlib" READELF="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-readelf" STRIP="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-strip" OBJCOPY="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-objcopy" OBJDUMP="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-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/instance-2/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-2/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-as" DEFAULT_LINKER="/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-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 -g0 -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -O2 -g0" FFLAGS=" -O2 -g0" PKG_CONFIG="/home/buildroot/autobuild/instance-2/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/instance-2/output-1/host/mips-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl -C /home/buildroot/autobuild/instance-2/output-1/build/mongrel2-1.13.0 PREFIX=/usr all
make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/mongrel2-1.13.0'
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/task/rendez.o src/task/rendez.c
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/task/net.o src/task/net.c
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/task/qlock.o src/task/qlock.c
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/task/task.o src/task/task.c
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/task/fd.o src/task/fd.c
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/task/context.o src/task/context.c
/home/buildroot/autobuild/instance-2/output-1/host/bin/mips-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=1 -Wall -Wextra -Wno-implicit-fallthrough -Wno-unused-const-variable -I./src -DNDEBUG -D_FILE_OFFSET_BITS=64 -pthread -fPIC   -Wno-unused-const-variable -Wimplicit-fallthrough=0 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o src/http11/httpclient_parser.o src/http11/httpclient_parser.c
mips-linux-gnu-gcc: error: unrecognized command line option '-Wimplicit-fallthrough=0'
<builtin>: recipe for target 'src/http11/httpclient_parser.o' failed
make[1]: *** [src/http11/httpclient_parser.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/mongrel2-1.13.0'
package/pkg-generic.mk:289: recipe for target '/home/buildroot/autobuild/instance-2/output-1/build/mongrel2-1.13.0/.stamp_built' failed
make: *** [/home/buildroot/autobuild/instance-2/output-1/build/mongrel2-1.13.0/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/autobuild/instance-2/buildroot'