creating dirac_encoder make[1]: Leaving directory `/home/builder/rpmbuild/BUILD/dirac-0.6.0/encoder' Making all in decoder make[1]: Entering directory `/home/builder/rpmbuild/BUILD/dirac-0.6.0/decoder' if g++ -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DSTDC_HEADERS=1 -DHAVE__BOOL=1 -DHAVE_STDBOOL_H=1 -I. -I. -I.. -I. -g -pedantic -Wall -Werror -W -Woverloaded-virtual -Wextra -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -mmmx -DHAVE_MMX -MT decmain.o -MD -MP -MF ".deps/decmain.Tpo" -c -o decmain.o decmain.cpp; \ then mv -f ".deps/decmain.Tpo" ".deps/decmain.Po"; else rm -f ".deps/decmain.Tpo"; exit 1; fi cc1plus: warnings being treated as errors decmain.cpp: In function 'void WritePicData(dirac_decoder_t*, FILE*)': decmain.cpp:111: warning: ignoring return value of 'size_t fwrite(const void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result decmain.cpp:114: warning: ignoring return value of 'size_t fwrite(const void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result decmain.cpp:117: warning: ignoring return value of 'size_t fwrite(const void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result make[1]: *** [decmain.o] Error 1 make[1]: Leaving directory `/home/builder/rpmbuild/BUILD/dirac-0.6.0/decoder' make: *** [all-recursive] Error 1