On Sep 7, 2013 12:03 PM, "Zhang hw" wrote: > > Thank jwakely! > yes , I've compiled my x86_64 with "configure --disable-multilib" for > some compile errors. That would have been helpful to mention! If you want to build multilib then don't disable multilib. > Is thers a simple way to build the 32bit lib on > my amd64 env now, against re-configure and re-build the whole gcc? It > need 2-3 hours to compile the gcc on my computer. No, you need to reconfigure. Use 'make -j2' or similar to speed it up. See http://gcc.gnu.org/wiki/FAQ#gnu_stubs-32.h if that solves your errors. > By the way , I downloaded a precompiled lib package from the fc > website for temporary using , and it looked like worked well. > > 2013/9/7, Jonathan Wakely <jwakely.gcc@xxxxxxxxx>: > > On 7 September 2013 05:11, Zhang hw wrote: > >> Hello , everybody! > >> I have compiled and installed a gcc-4.8.1 with configure > >> --build=x86_64-redhat-linux-gnu.There is a app need 32bit libstdc++ > >> now , but there is nothing in "lib" directory , how to build and > >> install it? > > > > x86_64-*-linux-gnu always builds a multilib compiler unless you use > > --disable-multilib > > > >> I have compiled with xxx/libstdc++-v3/configure > >> --target=i686-redhat-linux-gnu and returned success , but after > >> installed it , I've got only the libraries in directory "lib64" , > >> there was nothing in "lib" directory? > > > > That doesn't make sense, i686-*-linux-gnu is a 32-bit non-multilib target. > > > >> Can I compile and install a 32bit libstdc++ with parameters changing > >> for configure and make install? Or , shall I build a cross compiler > >> first? > > > > As I said, just build on x86_64 without --disable-multilib > >
