On Mon, Sep 10, 2012 at 12:17 PM, Christer Solskogen <christer.solskogen@xxxxxxxxx> wrote: > On Mon, Sep 10, 2012 at 8:06 PM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > >> That doesn't tell me anything by itself, sorry. Normally >> CXXFLAGS_FOR_TARGET at the top level should be passed down as CXXFLAGS >> when building libstdc++-v3, and it sounds like that is not happening. >> But that is more or less what we knew from the start. What we don't >> know is why it is not happening. >> > > Well, it tells you that it does not being passed down. The question is > have it ever? After the switch to compile gcc with g++, I mean. > I tried again, without having set CXXFLAGS and CXXFLAGS_FOR_TARGET, > but set CFLAGS and CFLAGS_FOR_TARGET instead. That went well. I don't know for sure that it was ever passed down, no. But when I look at the top level Makefile.in, it looks to me like it does the right thing. All uses of CFLAGS_FOR_TARGET appear to have a matching use of CXXFLAGS_FOR_TARGET, and vice-versa. Ian
