You receive this bug because this package does not respect my '-O' system's CFLAGS gcc -c -march=native -O2 -g0 -pipe -march=native -O2 -g0 -pipe -I.. -W -Wall -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_REENTRANT -D_GNU_SOURCE -O3 -DHAVE_LOCALE_H -DHAVE_SETLOCALE -DHAVE_IFADDRS_H -DHAVE_LANGINFO_H -DHAVE_LANGINFO_CODESET -DHAVE_ICONV -pthread -I/usr/include/upnp -o buffer.o buffer.c vbp ~ # portageq envvar CFLAGS -march=native -O2 -g0 -pipe
+ 15 Feb 2013; Markos Chandras <hwoarang@gentoo.org> + +files/07_all_drop_optimizations.patch, ushare-1.1a-r5.ebuild: + Respect CC (#457612). Drop -O3 (#457614) +