> I am building a cross GCC (targeting MIPS) on an x86-64 Linux system but I > want to build the compiler as a 32 bit executable. I thought the right way > to do this was to do: > > export CFLAGS='-O2 -g -m32' > export CXXFLAGS-'-O2 -g -m32' > > before running configure and make. > > This is working in that it created cc1 as a 32 bit executable like I wanted > it to but when the build continues and builds libgcc, it uses CFLAGS when > it is using the newly built gcc to compile libgcc.
The usual way to do this is to set CC and CXX at the configure stage: CC="gcc -m32" CXX="g++ -m32" $(srcdir)/configure ... -- Eric Botcazou
