Attempting to build a cross-compiler for m68k-unknown-elf on x86_64-linux-gnu fails with an internal error:
/home/hamish/projects/rockbox/gcc-4/orig/build/gcc/xgcc -B/home/hamish/projects/rockbox/gcc-4/orig/build/gcc/ -B/home/hamish/m68k-amd64/m68k-elf/bin/ -B/home/hamish/m68k-amd64/m68k-elf/lib/ -isystem /home/hamish/m68k-amd64/m68k-elf/include -isystem /home/hamish/m68k-amd64/m68k-elf/sys-include -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I../../gcc-4.0.1/gcc -I../../gcc-4.0.1/gcc/. -I../../gcc-4.0.1/gcc/../include -I../../gcc-4.0.1/gcc/../libcpp/include -m68000 -DL_fixdfdi -c ../../gcc-4.0.1/gcc/libgcc2.c -o libgcc/m68000/_fixdfdi.o ../../gcc-4.0.1/gcc/libgcc2.c: In function '__fixdfdi': ../../gcc-4.0.1/gcc/libgcc2.c:1256: internal compiler error: in do_SUBST, at combine.c:462 The host compiler is gcc version 4.0.2 20050806 (prerelease) (Debian 4.0.1-4) The same internal error occurs trying to build gcc-3.4.4, using either gcc-4.0.2 or gcc-3.4.4. The configure command was ../gcc-4.0.1/configure --prefix=$HOME/m68k-amd64 --target=m68k-unknown-elf --enable-languages=c Google found someone else had this problem with a sparc64 host: http://www.rtems.com/ml/rtems-users/2005/june/msg00025.html And someone else had this problem on x86_64 with gcc-3.4: http://mailman.uclinux.org/pipermail/uclinux-dev/2005-June/033210.html Hamish -- Summary: Compiler fails to build - internal compiler error: in do_SUBST, at combine.c:462 Product: gcc Version: 4.0.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hamish at debian dot org CC: gcc-bugs at gcc dot gnu dot org GCC host triplet: x86_64-linux-gnu GCC target triplet: m68k-unknown-elf http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23442
