This patch http://gcc.gnu.org/ml/gcc-patches/2005-04/msg02301.html
caused /net/gnu-9/export/gnu/src/gcc-next/gcc/gcc/config/ia64/crtfastmath.c: In function \uffff\uffff\uffff__ia64_set_fast_math /net/gnu-9/export/gnu/src/gcc-next/gcc/gcc/config/ia64/crtfastmath.c:37: internal compiler error: in schedule_block, at haifa-sched.c:2111 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [crtfastmath.o] Error 1 make[4]: *** Waiting for unfinished jobs.... -- Summary: bootstrap failed on Linux/ia64 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl at lucon dot org CC: gcc-bugs at gcc dot gnu dot org,nathan at codesourcery dot com GCC build triplet: ia64-unknown-linux-gnu GCC host triplet: ia64-unknown-linux-gnu GCC target triplet: ia64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21168