"Word UnExpected" Error while building v8 on Ubuntu

[Vipresh Jha]

I am trying to build v8 by following instructions listed on this page http://code.google.com/p/v8-wiki/wiki/BuildingWithGYP
I also downloaded the code by following instructions on this page http://code.google.com/p/v8-wiki/wiki/UsingGit

But when i try to "make" a release build for ia32 i get the the following error "Syntax error: word unexpected (expecting ")")  " .  I googled about this error for two days but with no luck , I also tried different approaches but none of them work.
Please provide a solution if possiblle.

Below I am copy pasting the command I issued and its outcome

-----------------------------------------------
Output of "make ia32.release"
----------------------------------------------
vipresh@ubuntu:~/v8$ make ia32.release
PYTHONPATH="/home/vipresh/v8/tools/generate_shim_headers:/home/vipresh/v8/build::/home/vipresh/v8/build/gyp/pylib:" \
    GYP_GENERATORS=make \
    build/gyp/gyp --generator-output="out" build/all.gyp \
                  -Ibuild/standalone.gypi --depth=. \
                  -Dv8_target_arch=ia32 \
                   \
                   \
                  -S.ia32.release  -Dv8_enable_backtrace=1 -Darm_fpu=default -Darm_float_abi=default
make[1]: Entering directory `/home/vipresh/v8/out'
  CXX(target) /home/vipresh/v8/out/ia32.release/obj.target/v8_base/src/accessors.o
/home/vipresh/v8/third_party/llvm-build/Release+Asserts/bin/clang++: 2: /home/vipresh/v8/third_party/llvm-build/Release+Asserts/bin/clang++: Syntax error: word unexpected (expecting ")")
make[1]: *** [/home/vipresh/v8/out/ia32.release/obj.target/v8_base/src/accessors.o] Error 2
make[1]: Leaving directory `/home/vipresh/v8/out'
make: *** [ia32.release] Error 2

******************************************

----------------------------------------
Output of "uname -a" command
---------------------------------------
vipresh@ubuntu:~/v8$ uname -a
Linux ubuntu 3.8.0-44-generic #66~precise1-Ubuntu SMP Tue Jul 15 04:04:23 UTC 2014 i686 i686 i386 GNU/Linux

*********************************************

-----------------------------
Output of "gcc -v" command
---------------------------------------
vipresh@ubuntu:~/v8$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.9/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.9.2-0ubuntu1~12.04' --with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.9 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-i386/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-i386 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-i386 --with-arch-directory=i386 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-targets=all --enable-multiarch --disable-werror --with-arch-32=i686 --with-multilib-list=m32,m64 --enable-multilib --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.9.2 (Ubuntu 4.9.2-0ubuntu1~12.04)

***********************************************

-------------------------------------------------------------------------------------------
Output of "clang -v"
-------------------------------------------------------------------------------
vipresh@ubuntu:~/v8$ clang -v
Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
Target: i386-pc-linux-gnu
Thread model: posix

***********************************************************

If you need any other info please let me know .

[Jakob Kummerow]

The bundled clang is a 64-bit binary. On a 32-bit system, try:

$ make ia32.release GYPFLAGS="-Dclang=0"

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[Vipresh Jha]

Thanks Jakob that worked, the v8 built sucessfully using that flag.

[Johnny You]

Hi Jakob,

I'm having this problem when cross compiling V8 for arm in Ubuntu 15.10 (VirtualBox).

The problem is still exist even after adding GYPFLAGS="-Dclang=0"

The error is still the same:

third_party/llvm-build/Release+Asserts/bin/clang++: 1: /Workspace/GoogleSource/v8_lubuntu_eabihfp_exe_32/third_party/llvm-build/Release+Asserts/bin/clang++: Syntax error: ")" unexpected

Could you help to find out where went wrong? Thank you.

Below is my build script build.sh:

#!/bin/bash


ARMPATH=/usr


SYSROOTPATH=/Workspace/GoogleSource/sysroot-linaro-glibc-gcc5.2-2015.11-arm-linux-gnueabihf
TCPATH=$ARMPATH
PREFIX=$ARMPATH/bin/arm-linux-gnueabihf-


export CC=${PREFIX}gcc
export CXX=${PREFIX}g++
export AR=${PREFIX}ar
export RANLIB=${PREFIX}ranlib
export LINK=$CXX
export CROSS_COMPILE=${TCPATH}


export LD_R_PATH=$SYSROOTPATH/usr/lib:$SYSROOTPATH/lib

export LDSO_PATH=$SYSROOTPATH/lib/ld-2.21.so


export GYPFLAGS="-Dclang=0"
make arm.release GYPFLAGS="-Dclang=0" hardfp=on -j8

[Rodolph Perfetta]

Hi Johnny,

When cross compiling for 32-bit arm you need to explicitly prevent the use of the built-in linker. Simply export GYPFLAGS="-Dlinux_use_bundled_gold=0"

You don't need the "-DClang=0" if you define CC, CXX and others. The v8 code base already has a script to cross compile, in the tools directory. In your case you would do something like:

export GYPFLAGS="-Dlinux_use_bundled_gold=0"

export LDFLAGS="-static"  # if you need static build

./tools/cross_build_gcc.sh usr/bin/arm-linux-gnueabihf arm.release hardfp=on -j8

The script will be build with snapshot off by default, edit it to change this behaviour.

Cheers,

Rodolph

[Johnny You]

Hi Rodolph,

Thank you so much!!! 

This works like a charm. V8 team should document this somewhere. 

I also added werror=no to avoid some warnings became errors because using newer toolchain (Linaro 5.2).

./tools/cross_build_gcc.sh $PREFIX arm.release hardfp=on werror=no -j8

Johnny

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