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james@atlantis:~$ rbenv install 2.0.0-p0
Downloading ruby-2.0.0-p0.tar.gz...
-> http://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p0.tar.gz
Installing ruby-2.0.0-p0...

BUILD FAILED

Inspect or clean up the working tree at /tmp/ruby-build.20130228095321.10215
Results logged to /tmp/ruby-build.20130228095321.10215.log

Last 10 log lines:
ruby-2.0.0-p0/golf_prelude.c
/tmp/ruby-build.20130228095321.10215/ruby-2.0.0-p0 /tmp/ruby-build.20130228095321.10215 ~
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
checking for gcc... gcc
checking whether the C compiler works... no
configure: error: in `/tmp/ruby-build.20130228095321.10215/ruby-2.0.0-p0':
configure: error: C compiler cannot create executables
See `config.log' for more details
james@atlantis:~$ 

This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by configure, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  $ ./configure --prefix=/home/james/.rbenv/versions/2.0.0-p0

## --------- ##
## Platform. ##
## --------- ##

hostname = atlantis
uname -m = i686
uname -r = 3.5.0-25-generic
uname -s = Linux
uname -v = #39-Ubuntu SMP Mon Feb 25 19:02:34 UTC 2013

/usr/bin/uname -p = unknown
/bin/uname -X     = unknown

/bin/arch              = unknown
/usr/bin/arch -k       = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo      = unknown
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /home/james/.rbenv/libexec
PATH: /home/james/.rbenv/plugins/ruby-build/bin
PATH: /home/james/.rbenv/shims
PATH: /home/james/.rbenv/bin
PATH: /usr/local/sbin
PATH: /usr/local/bin
PATH: /usr/sbin
PATH: /usr/bin
PATH: /sbin
PATH: /bin
PATH: /usr/games
PATH: /usr/local/games


## ----------- ##
## Core tests. ##
## ----------- ##

configure:2875: checking build system type
configure:2889: result: i686-pc-linux-gnu
configure:2967: checking host system type
configure:2980: result: i686-pc-linux-gnu
configure:3000: checking target system type
configure:3013: result: i686-pc-linux-gnu
configure:3445: checking for gcc
configure:3461: found /usr/bin/gcc
configure:3472: result: gcc
configure:3701: checking for C compiler version
configure:3710: gcc --version >&5
gcc (Ubuntu/Linaro 4.7.2-2ubuntu1) 4.7.2
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

configure:3721: $? = 0
configure:3710: gcc -v >&5
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.7/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.7.2-2ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs --enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.7 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --enable-targets=all --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1) 
configure:3721: $? = 0
configure:3710: gcc -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:3721: $? = 4
configure:3710: gcc -qversion >&5
gcc: error: unrecognized command line option '-qversion'
gcc: fatal error: no input files
compilation terminated.
configure:3721: $? = 4
configure:3741: checking whether the C compiler works
configure:3763: gcc   -Wno-error=shorten-64-to-32 -I'/home/james/.rbenv/versions/2.0.0-p0/include'  -L'/home/james/.rbenv/versions/2.0.0-p0/lib'  conftest.c  >&5
cc1: error: -Werror=shorten-64-to-32: no option -Wshorten-64-to-32
configure:3767: $? = 1
configure:3805: result: no
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME ""
| #define PACKAGE_TARNAME ""
| #define PACKAGE_VERSION ""
| #define PACKAGE_STRING ""
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define CANONICALIZATION_FOR_MATHN 1
| #define RUBY_BASE_NAME "ruby" !<verconf>!
| #define RUBY_VERSION_NAME RUBY_BASE_NAME"-"RUBY_LIB_VERSION !<verconf>!
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:3810: error: in `/tmp/ruby-build.20130228095321.10215/ruby-2.0.0-p0':
configure:3812: error: C compiler cannot create executables
See `config.log' for more details

## ---------------- ##
## Cache variables. ##
## ---------------- ##

ac_cv_build=i686-pc-linux-gnu
ac_cv_env_CCC_set=
ac_cv_env_CCC_value=
ac_cv_env_CC_set=
ac_cv_env_CC_value=
ac_cv_env_CFLAGS_set=set
ac_cv_env_CFLAGS_value='  -Wno-error=shorten-64-to-32'
ac_cv_env_CPPFLAGS_set=set
ac_cv_env_CPPFLAGS_value='-I'\''/home/james/.rbenv/versions/2.0.0-p0/include'\'' '
ac_cv_env_CPP_set=
ac_cv_env_CPP_value=
ac_cv_env_CXXFLAGS_set=
ac_cv_env_CXXFLAGS_value=
ac_cv_env_CXX_set=
ac_cv_env_CXX_value=
ac_cv_env_LDFLAGS_set=set
ac_cv_env_LDFLAGS_value='-L'\''/home/james/.rbenv/versions/2.0.0-p0/lib'\'' '
ac_cv_env_LIBS_set=
ac_cv_env_LIBS_value=
ac_cv_env_build_alias_set=
ac_cv_env_build_alias_value=
ac_cv_env_host_alias_set=
ac_cv_env_host_alias_value=
ac_cv_env_target_alias_set=
ac_cv_env_target_alias_value=
ac_cv_host=i686-pc-linux-gnu
ac_cv_prog_ac_ct_CC=gcc
ac_cv_target=i686-pc-linux-gnu

## ----------------- ##
## Output variables. ##
## ----------------- ##

ALLOCA=''
AR=''
ARCHFILE=''
ARCH_FLAG=''
AS=''
ASFLAGS=''
BASERUBY='ruby --disable=gems'
BTESTRUBY=''
BUILTIN_ENCOBJS=''
BUILTIN_TRANSOBJS=''
BUILTIN_TRANSSRCS=''
CAPITARGET=''
CC='gcc'
CCDLFLAGS=''
CFLAGS='  -Wno-error=shorten-64-to-32'
CHDIR=''
COMMON_HEADERS=''
COMMON_LIBS=''
COMMON_MACROS=''
COUTFLAG=''
CP=''
CPP=''
CPPFLAGS='-I'\''/home/james/.rbenv/versions/2.0.0-p0/include'\'' '
CPPOUTFILE=''
CROSS_COMPILING=''
CXX=''
CXXFLAGS=''
DEFS=''
DLDFLAGS=''
DLDLIBS=''
DLEXT2=''
DLEXT=''
DLLWRAP=''
DLNOBJ=''
DOT=''
DOXYGEN=''
DTRACE=''
DTRACE_EXT=''
DTRACE_GLOMMED_OBJ=''
DTRACE_OBJ=''
ECHO_C=''
ECHO_N='-n'
ECHO_T=''
EGREP=''
ENABLE_SHARED=''
ENCOBJS=''
EXECUTABLE_EXTS=''
EXEEXT=''
EXPORT_PREFIX=''
EXTDLDFLAGS=''
EXTLDFLAGS=''
EXTOBJS=''
EXTOUT=''
EXTSTATIC=''
GCC=''
GNU_LD=''
GREP=''
INSTALLDOC=''
INSTALL_DATA=''
INSTALL_PROGRAM=''
INSTALL_SCRIPT=''
LD=''
LDFLAGS='-L'\''/home/james/.rbenv/versions/2.0.0-p0/lib'\'' '
LDSHARED=''
LDSHAREDXX=''
LIBEXT=''
LIBOBJS=''
LIBPATHENV=''
LIBPATHFLAG=''
LIBRUBY=''
LIBRUBYARG=''
LIBRUBYARG_SHARED=''
LIBRUBYARG_STATIC=''
LIBRUBY_A=''
LIBRUBY_ALIASES=''
LIBRUBY_A_OBJS=''
LIBRUBY_DLDFLAGS=''
LIBRUBY_LDSHARED=''
LIBRUBY_RELATIVE=''
LIBRUBY_SO=''
LIBS=''
LINK_SO=''
LN_S=''
LTLIBOBJS=''
MAINLIBS=''
MAJOR='2'
MAKEDIRS=''
MAKEFILES=''
MANTYPE=''
MINIOBJS=''
MINIRUBY=''
MINOR='0'
MKDIR_P=''
NACL_SDK_ROOT=''
NACL_SDK_VARIANT=''
NACL_TOOLCHAIN=''
NM=''
NROFF=''
NULLCMD=''
OBJCOPY=''
OBJDUMP=''
OBJEXT=''
OUTFLAG=''
PACKAGE=''
PACKAGE_BUGREPORT=''
PACKAGE_NAME=''
PACKAGE_STRING=''
PACKAGE_TARNAME=''
PACKAGE_URL=''
PACKAGE_VERSION=''
PATH_SEPARATOR=':'
PKG_CONFIG=''
PLATFORM_DIR=''
POSTLINK=''
PREP=''
PYTHON=''
RANLIB=''
RDOCTARGET=''
RI_BASE_NAME=''
RM=''
RMALL=''
RMDIR=''
RMDIRS=''
RPATHFLAG=''
RUBYW_BASE_NAME='rubyw'
RUBYW_INSTALL_NAME=''
RUBY_BASE_NAME='ruby'
RUBY_INSTALL_NAME=''
RUBY_PROGRAM_VERSION='2.0.0'
RUBY_RELEASE_DATE='2013-02-24'
RUBY_SO_NAME=''
RUBY_VERSION_NAME='${RUBY_BASE_NAME}-${ruby_version}'
RUNRUBY=''
SET_MAKE=''
SHELL='/bin/bash'
SOLIBS=''
STATIC=''
STRIP=''
SYMBOL_PREFIX=''
TEENY='0'
TEST_RUNNABLE=''
THREAD_MODEL=''
TRY_LINK=''
UNIVERSAL_ARCHNAMES=''
UNIVERSAL_INTS=''
USE_RUBYGEMS=''
WERRORFLAG=''
WINDRES=''
XCFLAGS=''
XLDFLAGS=''
XRUBY=''
XRUBY_LIBDIR=''
XRUBY_RUBYHDRDIR=''
XRUBY_RUBYLIBDIR=''
ac_ct_CC='gcc'
ac_ct_CXX=''
ac_ct_OBJCOPY=''
ac_ct_OBJDUMP=''
arch=''
archincludedir=''
archlibdir=''
bindir='${exec_prefix}/bin'
build='i686-pc-linux-gnu'
build_alias=''
build_cpu='i686'
build_os='linux-gnu'
build_vendor='pc'
cflags=''
codesign=''
configure_args=''
cppflags=''
cxxflags=' ${optflags} ${debugflags} ${warnflags}'
datadir='${datarootdir}'
datarootdir='${prefix}/share'
debugflags=''
docdir='${datarootdir}/doc/${PACKAGE}'
dvidir='${docdir}'
exec=''
exec_prefix='NONE'
host='i686-pc-linux-gnu'
host_alias=''
host_cpu='i686'
host_os='linux-gnu'
host_vendor='pc'
htmldir='${docdir}'
includedir='${prefix}/include'
infodir='${datarootdir}/info'
libdir='${exec_prefix}/lib'
libexecdir='${exec_prefix}/libexec'
localedir='${datarootdir}/locale'
localstatedir='${prefix}/var'
mandir='${datarootdir}/man'
oldincludedir='/usr/include'
optflags=''
pdfdir='${docdir}'
prefix='/home/james/.rbenv/versions/2.0.0-p0'
program_transform_name='s&^&&'
psdir='${docdir}'
ridir=''
ruby_pc=''
ruby_version=''
rubyarchdir=''
rubyarchhdrdir=''
rubyarchprefix=''
rubyhdrdir=''
rubylibdir=''
rubylibprefix=''
rubysitearchprefix=''
rubyw_install_name=''
sbindir='${exec_prefix}/sbin'
setup=''
sharedstatedir='${prefix}/com'
sitearch=''
sitearchdir=''
sitearchhdrdir=''
sitearchincludedir=''
sitearchlibdir=''
sitedir=''
sitehdrdir=''
sitelibdir=''
strict_warnflags=''
sysconfdir='${prefix}/etc'
target='i686-pc-linux-gnu'
target_alias=''
target_cpu='i686'
target_os='linux'
target_vendor='pc'
try_header=''
vendorarchdir=''
vendorarchhdrdir=''
vendordir=''
vendorhdrdir=''
vendorlibdir=''
warnflags=''

## ----------- ##
## confdefs.h. ##
## ----------- ##

/* confdefs.h */
#define PACKAGE_NAME ""
#define PACKAGE_TARNAME ""
#define PACKAGE_VERSION ""
#define PACKAGE_STRING ""
#define PACKAGE_BUGREPORT ""
#define PACKAGE_URL ""
#define CANONICALIZATION_FOR_MATHN 1
#define RUBY_BASE_NAME "ruby" !<verconf>!
#define RUBY_VERSION_NAME RUBY_BASE_NAME"-"RUBY_LIB_VERSION !<verconf>!

configure: exit 77