"Gordon Magnusson" <gordon.magnus...@gmail.com> writes: > I read http://gcc.gnu.org/install/build.html but wasn't completely > enlightened. > > If I'm building C and C++ (i.e. configuring with > --enable-languages=c,c++) and I want to build gcc, g++, and libstdc++ > with -O3 instead of the default (which I believe is -g -O2), is this > correct: > > make "BOOT_CFLAGS=-O3" "CFLAGS_FOR_TARGET=-O3" "CXXFLAGS_FOR_TARGET=-O3" > > Or should I add/remove variables?
Seems right to me. What happened when you tried it? Note that gcc@gcc.gnu.org is for the development of gcc. Questions about using and building gcc should normally go to gcc-h...@gcc.gnu.org. Ian
