[LLVMdev] llvm-gcc build fail on RHEL v4 x86_64

[Jeff Cohen]

gcc 3.4.x builds LLVM incorrectly on x86_64.

gcc 4.0 will get you much farther, but the llvm-test regression tests 
still have massive problems.

Zhongxing Xu wrote:
> The machine is a Dell workstation with xeon processors. The OS is RHEL 
> 4 AS x86_64
> gcc version is 3.4.6
>  
> I checked out the llvm-gcc from svn, configured with
> ../llvm-gcc/configure --prefix=$HOME/llvm-gcc-install 
> --enable-llvm=$HOME/llvmobj/ --enable-languages=c,c++ 
> --enable-checking --disable-shared --disable-multilib
>  
> and get the following error message:
>  
> make GCC_FOR_TARGET="/home/xzx/llvm-gcc-obj/gcc/xgcc 
> -B/home/xzx/llvm-gcc-obj/gcc/ 
> -B/home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/bin/ 
> -B/home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/lib/ -isystem 
> /home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/include -isystem 
> /home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/sys-include" \
>   AR_FOR_TARGET="ar" \
>   AR_CREATE_FOR_TARGET="ar  rc" \
>   AR_EXTRACT_FOR_TARGET="ar  x" \
>   AR_FLAGS_FOR_TARGET="" \
>   CC="gcc" CFLAGS="-g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes 
> -Wmissing-prototypes -Wold-style-definition -fno-common " \
>   BUILD_PREFIX="" \
>   BUILD_PREFIX_1="loser-" \
>   LANGUAGES="" \
>   LIBGCC2_CFLAGS="-O2  -DIN_GCC    -W -Wall -Wwrite-strings 
> -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  
> -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 
> -D__GCC_FLOAT_NOT_NEEDED  "  \
>   MULTILIB_CFLAGS="" T= crtbegin.o crtend.o crtbeginS.o crtendS.o 
> crtbeginT.o
> make[3]: Entering directory `/home/xzx/llvm-gcc-obj/gcc'
> make[3]: `crtbegin.o' is up to date.
> make[3]: `crtend.o' is up to date.
> make[3]: `crtbeginS.o' is up to date.
> make[3]: `crtendS.o' is up to date.
> make[3]: `crtbeginT.o' is up to date.
> make[3]: Leaving directory `/home/xzx/llvm-gcc-obj/gcc'
> /home/xzx/llvm-gcc-obj/gcc/xgcc -B/home/xzx/llvm-gcc-obj/gcc/ 
> -B/home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/bin/ 
> -B/home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/lib/ -isystem 
> /home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/include -isystem 
> /home/xzx/llvm-gcc-install/x86_64-unknown-linux-gnu/sys-include -O2  
> -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes 
> -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC 
> -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. 
> -I../../llvm-gcc/gcc -I../../llvm-gcc/gcc/. 
> -I../../llvm-gcc/gcc/../include 
> -I../../llvm-gcc/gcc/../libcpp/include  -I/home/xzx/llvm/include 
> -I/home/xzx/llvmobj//include -DL_lshrdi3 -c 
> ../../llvm-gcc/gcc/libgcc2.c -o libgcc/./_lshrdi3.o
> WARNING: 128-bit integers not supported!
> ../../llvm-gcc/gcc/libgcc2.c: In function '__lshrti3':
> ../../llvm-gcc/gcc/libgcc2.c:412: internal compiler error: 
> Segmentation fault
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://llvm.org/bugs <http://llvm.org/bugs>> for instructions.
> make[2]: *** [libgcc/./_lshrdi3.o] Error 1
> make[2]: Leaving directory `/home/xzx/llvm-gcc-obj/gcc'
> make[1]: *** [stmp-multilib] Error 2
> make[1]: Leaving directory `/home/xzx/llvm-gcc-obj/gcc'
> make: *** [install-gcc] Error 2
>  
> And after I run
> make install
> I get only c++ and g++ in my llvm-gcc-install directory.
> ------------------------------------------------------------------------
>
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