[Boost-users] compiling 32 bit boost libraries on a 64 bit system? (gcc, Linux)

Hi, I'm trying to compile boost into 32 bit libraries on a 64 bit Linux box. with gcc, with would simply mean to add the flag -m32 to gcc. but I can't seem to make bjam do this. I've tried a number of approaches: - export and set the environment variables CFLAGS, CXXFLAGS and LDFLAGS to -m32 - set the following in tools/build/v2/user-config.jam: cflags=-m32 cxxflags=-m32 linkflags=-m32 - set the following in tools/build/v2/user-config.jam: using gcc : 4.1.2 : g++-4.1.2 : -m32 ; (based on the documentation found at http://beta.boost.org/doc/tools/build/doc/html/bbv2/reference/tools.html#bbv... ) but to no avail - the -m32 flag is not honored, and the compiled boost libraries are 64 bit :( what am I doing wrong? Akos