Ian Lance Taylor writes: > Matt Fago <fago@xxxxxxxxxxxxx> writes: >> I'm trying to build gcc 4.6.0 on OpenSuSE 11.2 x86_64 with latest MPC, >> MPFR, GMP built in-tree (vers 0.9, 3.0.1, 5.0.1). I've always used >> in-tree builds in the past as they are the least troublesome. >> >> Configuring with: >> >> ../gcc-4.6.0/configure --prefix=/usr/local \ >> --libdir=/usr/local/lib64 --program-suffix=-4.6 \ >> --with-arch=corei7 --enable-languages=c,c++,fortran --enable-gold \ >> --enable-checking=release --with-system-zlib --enable-linux-futex \ >> --without-system-libunwind --with-ppl-lib=/usr/lib64 \ >> --with-ppl-include=/usr/include --with-cloog-lib=/usr/lib64 \ >> --with-cloog-include=/usr/include --enable-lto >> >> I get several errors such as: >> >> [...]/gcc/gcc-build-4.6.0/./mpc/src/.libs/libmpc.a(pow.o): In function mpc_pow_exact': >> [...]/gcc/gcc-build-4.6.0/mpc/src/../../../gcc-4.6.0/mpc/src/pow.c:123: undefined reference to `mpfr_get_z_2exp' >> >> Evidently this is caused by MPC picking up the older incompatible >> system version of MPFR? Shouldn't this be taken care of by the >> in-tree onfig somehow? > >Yes, it should. This sounds like a bug. It may be caused by the --with-ppl-* and --with-cloog-* flags. I'll open a bug. Thanks, Matt