On 2014.09.19 at 13:15 +0100, Rogelio Serrano wrote: > /home/rogelio/gcc-build/./prev-gcc/g++ > -B/home/rogelio/gcc-build/./prev-gcc/ -B/x86_64-unknown-linux-gnu/bin/ > -nostdinc++ > -B/home/rogelio/gcc-build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs > -B/home/rogelio/gcc-build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs > -I/home/rogelio/gcc-build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu > -I/home/rogelio/gcc-build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include > -I/home/rogelio/gcc-4.7.4/libstdc++-v3/libsupc++ > -L/home/rogelio/gcc-build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs > -L/home/rogelio/gcc-build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs > -g -O2 -flto=jobserver -frandom-seed=1 -fprofile-use -DIN_GCC > -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing -Wwrite-strings > -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long > -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H > -static-libstdc++ -static-libgcc -o cc1 c-lang.o c-family/stub-objc.o > attribs.o c-errors.o c-decl.o c-typeck.o c-convert.o c-aux-info.o > c-objc-common.o c-parser.o tree-mudflap.o c-family/c-common.o > c-family/c-cppbuiltin.o c-family/c-dump.o c-family/c-format.o > c-family/c-gimplify.o c-family/c-lex.o c-family/c-omp.o > c-family/c-opts.o c-family/c-pch.o c-family/c-ppoutput.o > c-family/c-pragma.o c-family/c-pretty-print.o c-family/c-semantics.o > c-family/c-ada-spec.o i386-c.o default-c.o \ > cc1-checksum.o main.o libbackend.a libcommon-target.a libcommon.a > ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a libcommon.a > ../libcpp/libcpp.a ../libiberty/libiberty.a > ../libdecnumber/libdecnumber.a -lmpc -lmpfr -lgmp -rdynamic -ldl > -lz > c-family/c-format.o (symbol from plugin): warning: memset used with > constant zero length parameter; this could be due to transposed > parameters > collect2: error: ld returned 1 exit status > > > Any pointers how to debug this? > > I configured with: > > ../gcc-4.7.4/configure --prefix= --libexecdir=/lib --enable-shared > --enable-threads=posix --enable-__cxa_atexit --enable-clocale > --enable-languages=c,lto --disable-multilib --with-system-zlib > --enable-lto --with-build-config=bootstrap-lto > > then did a profiledbootstrap make
When using profiledbootstrap you should add --disable-werror to the configuration flags. -- Markus
