config.log output after `$ rbenv install 1.9.2-p0` failed install

config.log

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 2.65.  Invocation command line was

  $ ./configure --prefix=/Users/robert/.rbenv/versions/1.9.2-p0 --with-libyaml-dir=/usr/local/opt/libyaml

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

hostname = MacBook-Pro-de-Robert.local
uname -m = x86_64
uname -r = 14.1.0
uname -s = Darwin
uname -v = Darwin Kernel Version 14.1.0: Thu Feb 26 19:26:47 PST 2015; root:xnu-2782.10.73~1/RELEASE_X86_64

/usr/bin/uname -p = i386
/bin/uname -X     = unknown

/bin/arch              = unknown
/usr/bin/arch -k       = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo      = Mach kernel version:
	 Darwin Kernel Version 14.1.0: Thu Feb 26 19:26:47 PST 2015; root:xnu-2782.10.73~1/RELEASE_X86_64
Kernel configured for up to 8 processors.
4 processors are physically available.
8 processors are logically available.
Processor type: x86_64h (Intel x86-64h Haswell)
Processors active: 0 1 2 3 4 5 6 7
Primary memory available: 16.00 gigabytes
Default processor set: 241 tasks, 1203 threads, 8 processors
Load average: 2.77, Mach factor: 5.22
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /usr/local/Cellar/rbenv/0.4.0/libexec
PATH: /usr/local/bin
PATH: /usr/bin
PATH: /bin
PATH: /usr/sbin
PATH: /sbin


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

configure:2748: checking build system type
configure:2762: result: i386-apple-darwin14.1.0
configure:2782: checking host system type
configure:2795: result: i386-apple-darwin14.1.0
configure:2815: checking target system type
configure:2828: result: i386-apple-darwin14.1.0
configure:3309: checking for C compiler version
configure:3318: /usr/local/bin/gcc-4.2 --version >&5
i686-apple-darwin11-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
Copyright (C) 2007 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:3329: $? = 0
configure:3318: /usr/local/bin/gcc-4.2 -v >&5
Using built-in specs.
Target: i686-apple-darwin11
Configured with: /Volumes/Media/Builds/gcc-5666.3/build/obj/src/configure --disable-checking --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++,fortran --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin11 --program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 --target=i686-apple-darwin11 --with-gxx-include-dir=/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)
configure:3329: $? = 0
configure:3318: /usr/local/bin/gcc-4.2 -V >&5
gcc-4.2: argument to `-V' is missing
configure:3329: $? = 1
configure:3318: /usr/local/bin/gcc-4.2 -qversion >&5
i686-apple-darwin11-gcc-4.2.1: no input files
configure:3329: $? = 1
configure:3349: checking whether the C compiler works
configure:3371: /usr/local/bin/gcc-4.2  -O3 -Wno-error=shorten-64-to-32  -I/Users/robert/.rbenv/versions/1.9.2-p0/include  -L/Users/robert/.rbenv/versions/1.9.2-p0/lib  conftest.c  >&5
ld: warning: directory not found for option '-L/Users/robert/.rbenv/versions/1.9.2-p0/lib'
ld: library not found for -lcrt1.10.6.o
collect2: ld returned 1 exit status
configure:3375: $? = 1
configure:3413: 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
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:3418: error: in `/var/folders/9v/k7czc3y56zn4s2dpzdhg57l80000gn/T/ruby-build.20150323181518.13152/ruby-1.9.2-p0':
configure:3422: error: C compiler cannot create executables
See `config.log' for more details.

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

ac_cv_build=i386-apple-darwin14.1.0
ac_cv_env_CCC_set=
ac_cv_env_CCC_value=
ac_cv_env_CC_set=set
ac_cv_env_CC_value=/usr/local/bin/gcc-4.2
ac_cv_env_CFLAGS_set=set
ac_cv_env_CFLAGS_value=' -O3 -Wno-error=shorten-64-to-32 '
ac_cv_env_CPPFLAGS_set=set
ac_cv_env_CPPFLAGS_value='-I/Users/robert/.rbenv/versions/1.9.2-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/Users/robert/.rbenv/versions/1.9.2-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=i386-apple-darwin14.1.0
ac_cv_prog_CC=/usr/local/bin/gcc-4.2
ac_cv_target=i386-apple-darwin14.1.0

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

ALLOCA=''
AR=''
ARCHFILE=''
ARCH_FLAG=''
AS=''
ASFLAGS=''
BASERUBY='ruby'
BUILTIN_ENCOBJS=''
BUILTIN_TRANSOBJS=''
BUILTIN_TRANSSRCS=''
CAPITARGET=''
CC='/usr/local/bin/gcc-4.2'
CCDLFLAGS=''
CFLAGS=' -O3 -Wno-error=shorten-64-to-32 '
CHDIR=''
COMMON_HEADERS=''
COMMON_LIBS=''
COMMON_MACROS=''
COUTFLAG=''
CP=''
CPP=''
CPPFLAGS='-I/Users/robert/.rbenv/versions/1.9.2-p0/include '
CPPOUTFILE=''
CXX=''
CXXFLAGS=''
DEFS=''
DLDFLAGS=''
DLDLIBS=''
DLEXT2=''
DLEXT=''
DLLWRAP=''
DOT=''
DOXYGEN=''
ECHO_C='\c'
ECHO_N=''
ECHO_T=''
EGREP=''
ENABLE_SHARED=''
EXECUTABLE_EXTS=''
EXEEXT=''
EXPORT_PREFIX=''
EXTOUT=''
EXTSTATIC=''
GCC=''
GNU_LD=''
GREP=''
INSTALLDOC=''
INSTALL_DATA=''
INSTALL_PROGRAM=''
INSTALL_SCRIPT=''
LDFLAGS='-L/Users/robert/.rbenv/versions/1.9.2-p0/lib '
LDSHARED=''
LDSHAREDXX=''
LIBEXT=''
LIBOBJS=''
LIBPATHENV=''
LIBPATHFLAG=''
LIBRUBY=''
LIBRUBYARG=''
LIBRUBYARG_SHARED=''
LIBRUBYARG_STATIC=''
LIBRUBY_A=''
LIBRUBY_ALIASES=''
LIBRUBY_DLDFLAGS=''
LIBRUBY_LDSHARED=''
LIBRUBY_SO=''
LIBS=''
LINK_SO=''
LN_S=''
LTLIBOBJS=''
MAINLIBS=''
MAJOR='1'
MAKEDIRS=''
MAKEFILES=''
MANTYPE=''
MINIOBJS=''
MINIRUBY=''
MINOR='9'
MKDIR_P=''
NM=''
NROFF=''
OBJCOPY=''
OBJDUMP=''
OBJEXT=''
OUTFLAG=''
PACKAGE=''
PACKAGE_BUGREPORT=''
PACKAGE_NAME=''
PACKAGE_STRING=''
PACKAGE_TARNAME=''
PACKAGE_URL=''
PACKAGE_VERSION=''
PATH_SEPARATOR=':'
PREP=''
RANLIB=''
RDOCTARGET=''
RI_BASE_NAME=''
RM=''
RMALL=''
RMDIRS=''
RPATHFLAG=''
RUBYW_BASE_NAME='rubyw'
RUBYW_INSTALL_NAME=''
RUBY_BASE_NAME='ruby'
RUBY_INSTALL_NAME=''
RUBY_PROGRAM_VERSION='1.9.2'
RUBY_RELEASE_DATE='2010-08-18'
RUBY_SO_NAME=''
RUNRUBY=''
SET_MAKE=''
SHELL='/bin/sh'
SOLIBS=''
STATIC=''
STRIP=''
TEENY='1'
TEST_RUNNABLE=''
THREAD_MODEL=''
TRY_LINK=''
UNIVERSAL_ARCHNAMES=''
UNIVERSAL_INTS=''
WINDRES=''
XCFLAGS=''
XLDFLAGS=''
XRUBY=''
ac_ct_CC=''
ac_ct_CXX=''
ac_ct_OBJCOPY=''
ac_ct_OBJDUMP=''
arch=''
bindir='${exec_prefix}/bin'
build='i386-apple-darwin14.1.0'
build_alias=''
build_cpu='i386'
build_os='darwin14.1.0'
build_vendor='apple'
cflags=''
configure_args=''
cppflags=''
cxxflags=' ${optflags} ${debugflags} ${warnflags}'
datadir='${datarootdir}'
datarootdir='${prefix}/share'
debugflags=''
docdir='${datarootdir}/doc/${PACKAGE}'
dvidir='${docdir}'
exec_prefix='NONE'
host='i386-apple-darwin14.1.0'
host_alias=''
host_cpu='i386'
host_os='darwin14.1.0'
host_vendor='apple'
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='${docdir}'
prefix='/Users/robert/.rbenv/versions/1.9.2-p0'
program_transform_name='s&^&&'
psdir='${docdir}'
ridir=''
ruby_version=''
rubyhdrdir=''
rubylibprefix=''
rubyw_install_name=''
sbindir='${exec_prefix}/sbin'
setup=''
sharedstatedir='${prefix}/com'
sitearch=''
sitedir=''
sitehdrdir=''
sysconfdir='${prefix}/etc'
target='i386-apple-darwin14.1.0'
target_alias=''
target_cpu='i386'
target_os='darwin14.1.0'
target_vendor='apple'
try_header=''
vendordir=''
vendorhdrdir=''
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

configure: exit 77