ignoring return value of 'write', declared with attribute warn_unused_result [-Werror=unused-result]

[digihaven]

Any help with this? Can't install

$ lsb_release -id
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.1 LTS

$ cc -v
Using built-in specs.
COLLECT_GCC=cc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.8.2-19ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) 

Error:

make[2]: Entering directory `js/node_modules/modbus/libmodbus/src'
  CC       modbus.lo
  CC       modbus-data.lo
  CC       modbus-rtu.lo
modbus-rtu.c: In function '_modbus_rtu_close_mt':
modbus-rtu.c:945:7: error: ignoring return value of 'write', declared with attribute warn_unused_result [-Werror=unused-result]
  write(ctx_mt->mtp_w, "q", 1);
       ^
cc1: all warnings being treated as errors
make[2]: *** [modbus-rtu.lo] Error 1
make[2]: Leaving directory `js/node_modules/modbus/libmodbus/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `js/node_modules/modbus/libmodbus'
make: *** [all] Error 2
npm WARN This failure might be due to the use of legacy binary "node"
npm WARN For further explanations, please read
/usr/share/doc/nodejs/README.Debian

> modbus@0.0.12 preuninstall js/node_modules/modbus
> rm -rf libmodbus build

[tuxnsk]

fixed