[LLVMdev] llvm-gcc fails to build on REL5.1 Linux and Intel x86_64

[Yabin Hu]

 While attempting to compile llvm-gcc on Intel x86_64 2-way 4-core machine,
i got the following errors:
configure line i used is:
../llvm-gcc4.2-2.5.source/configure --enable-llvm=`pwd`/../../llvm-2.5
--program-prefix=llvm- --enable-languages=c,c++ --host=x86_64-redhat-linux
--build=x86_64-redhat-linux --disable-multilib --disable-shared

Errors:
lvm-gcc4.2-2.5.source/gcc/. -I../../llvm-gcc4.2-2.5.source/gcc/../include
-I../../llvm-gcc4.2-2.5.source/gcc/../libcpp/include
-I../../llvm-gcc4.2-2.5.source/gcc/../libdecnumber -I../libdecnumber
-I/home/huyabin/llvm/llvm-gcc/obj/../../llvm-2.5/include
-I/home/huyabin/llvm/llvm-2.5/include  -fexceptions -c
../../llvm-gcc4.2-2.5.source/gcc/unwind-dw2.c -o libgcc/./unwind-dw2.o
cc1:
/home/huyabin/llvm/llvm-2.5/include/llvm/Transforms/Utils/InlineCost.h:44:
llvm::InlineCost::InlineCost(int, int): Assertion `Cost == C && "Cost
exceeds InlineCost precision"' failed.
../../llvm-gcc4.2-2.5.source/gcc/unwind-dw2.c:1527: internal compiler error:
Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter<http://developer.apple.com/bugreporter>>
for instructions.
make[4]: *** [libgcc/./unwind-dw2.o] Error 1
make[4]: Leaving directory `/home/huyabin/llvm/llvm-gcc/obj/gcc'
make[3]: *** [stmp-multilib] Error 2
make[3]: Leaving directory `/home/huyabin/llvm/llvm-gcc/obj/gcc'
make[2]: *** [all-stage1-gcc] Error 2
make[2]: Leaving directory `/home/huyabin/llvm/llvm-gcc/obj'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home/huyabin/llvm/llvm-gcc/obj'
make: *** [all] Error 2

My gcc version is
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-libgcj-multifile
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk
--disable-dssi --enable-plugin
--with-java-home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre --with-cpu=generic
--host=x86_64-redhat-linux
Thread model: posix
gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)

my cpu is
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 15
model name      : Intel(R) Xeon(R) CPU           E5310  @ 1.60GHz
stepping        : 7
cpu MHz         : 1595.956
cache size      : 4096 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni
monitor ds_cpl vmx tm2 cx16 xtpr lahf_lm
bogomips        : 3991.95
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:


can somebody helps? Thanks a lot!
i can't update my gcc right now, for someone else is also running other
tests on the same machine.

Yabin
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