Making all in .
make[3]: Entering directory `/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-applications/omega'
g++ -DHAVE_CONFIG_H -I. -I./common -DCONFIGFILE_SYSTEM=\"/usr/local/etc/omega.conf\" -DPKGLIBBINDIR=\"/usr/local/lib/xapian-omega/bin\"  -Wall -W -Wredundant-decls -Wpointer-arith -Wcast-qual -Wcast-align -Wno-long-long -Wformat-security -fno-gnu-keywords -Wundef -Wstrict-null-sentinel -Wshadow -Wstrict-overflow=1 -Winit-self -Wlogical-op -Wmissing-declarations -fvisibility=hidden -Werror -I/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-core/include -I/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/INST/include -L/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/INST/lib -MT runfilter.o -MD -MP -MF .deps/runfilter.Tpo -c -o runfilter.o runfilter.cc
runfilter.cc: In function ‘std::string stdout_to_string(const string&)’:
runfilter.cc:91:52: error: narrowing conversion of ‘mem’ from ‘long int’ to ‘rlim_t {aka long unsigned int}’ inside { } is ill-formed in C++11 [-Werror=narrowing]
cc1plus: all warnings being treated as errors
make[3]: *** [runfilter.o] Error 1
make[3]: Leaving directory `/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-applications/omega'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-applications/omega'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-applications/omega'
make: *** [all] Error 2
[gaurav@myhost xapian-gaurav-gsoc]$ locate runfilter.cc
/home/gaurav/Work/xapian/xapian/xapian-applications/omega/runfilter.cc
/home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-applications/omega/runfilter.cc
[gaurav@myhost xapian-gaurav-gsoc]$ vim /home/gaurav/Work/xapian/xapian-gsoc-gaurav/xapian-gaurav-gsoc/xapian-applications/omega/runfilter.cc