On 06/22/2014 07:53 AM, Guenter Roeck wrote:
On 06/21/2014 10:33 PM, Chen Gang wrote:
[ ... ]
Any idea where to find a cross-compile toolchain for this architecture ?
I use latest source code of gcc and binutils with git.
related source code:
git://sourceware.org/git/binutils-gdb.git
git://gcc.gnu.org/git/gcc.git
Issues:
For binutils, have to use the latest one (I have fixed one segment
fault issue of gas for score, and integrated into gas main line by
maintainer in Jun 13, 2014).
For gcc (after binutils has installed), when building glibc, may need
modify the absolute path for score-elf-gas, score-elf-ld ... in
related auto-generated file.
Under ubuntu (but under fedora, it is OK), may need export
LD_LIBRARY_PATH=/usr/local/lib for searching libmpfr.so.
My current binary informations:
root@gchen:/upstream/toolchain/binutils-gdb# /usr/local/bin/score-elf-ld -v
GNU ld (GNU Binutils) 2.24.51.20140609
root@gchen:/upstream/toolchain/binutils-gdb# /usr/local/bin/score-elf-as -v
GNU assembler version 2.24.51 (score-elf) using BFD version (GNU Binutils)
2.24.51.20140609
root@gchen:/upstream/toolchain/binutils-gdb# /usr/local/bin/score-elf-gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/bin/score-elf-gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/score-elf/4.10.0/lto-wrapper
Target: score-elf
Configured with: ../gcc/configure --without-header --disable-nls
--enable-language=c --disable-threads --disable-shared --enable-werror=no
target_configargs=enable_vtable_verify=yes --target=score-elf --enable-obsolete
Thread model: single
gcc version 4.10.0 20140530 (experimental) (GCC)
I did that, and managed to build gcc.
However, when trying to compile score defconfig, I get internal compiler errors
in cc1
when compiling drivers/tty/tty_mutex.o and block/elevator.o.
CC block/elevator.o
score-elf-gcc: internal compiler error: Segmentation fault (program cc1)
0x40c073 execute
../../gcc/gcc/gcc.c:2848
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[1]: *** [block/elevator.o] Error 4
make: *** [block/elevator.o] Error 2
Do you see that as well ?
This is with
GNU assembler version 2.24.51 (score-elf) using BFD version (GNU Binutils)
2.24.51.20140622
and gcc configured with:
Configured with: ../gcc/configure --prefix=/opt/kernel/score
--program-prefix=score-elf- \
--target=score-elf --without-header --disable-nls --enable-languages=c
--disable-threads \
--disable-shared --enable-werror=no target_configargs=enable_vtable_verify=yes \
--enable-obsolete --disable-libssp --disable-libquadmath
Tip of gcc source is commit d8686b0aa945a, tip of binutils source is commit
d17c74c1d41.
Your assembler fix is included in this version of binutils.
Never mind, turns out I get score:defconfig to compile when using the tip of
the gcc 4.9 branch.
Guenter
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