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From wang...@apache.org
Subject [4/4] incubator-singa git commit: merge new configure
Date Thu, 07 May 2015 13:09:59 GMT
merge new configure


Project: http://git-wip-us.apache.org/repos/asf/incubator-singa/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-singa/commit/7993a786
Tree: http://git-wip-us.apache.org/repos/asf/incubator-singa/tree/7993a786
Diff: http://git-wip-us.apache.org/repos/asf/incubator-singa/diff/7993a786

Branch: refs/heads/master
Commit: 7993a786779ea370c0bd4802a8680f3f42fb910c
Parents: da3b5dd 86977fb
Author: wang wei <wangwei@comp.nus.edu.sg>
Authored: Thu May 7 19:27:14 2015 +0800
Committer: wang wei <wangwei@comp.nus.edu.sg>
Committed: Thu May 7 19:27:14 2015 +0800

----------------------------------------------------------------------
 Makefile.am  |   4 +-
 Makefile.in  |   2 +-
 README.md    |  18 +-
 configure    | 517 ++++++++++++++++++++++++++++++++++++++++++------------
 configure.ac |  26 +--
 5 files changed, 425 insertions(+), 142 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-singa/blob/7993a786/README.md
----------------------------------------------------------------------
diff --cc README.md
index 855b8b0,d4b4e08..7f51a60
--- a/README.md
+++ b/README.md
@@@ -1,5 -1,5 +1,4 @@@
--Apache SINGA
--=====
++##Apache SINGA
  
  Distributed deep learning system
  
@@@ -7,8 -7,8 +6,7 @@@
  
  
  
--Dependencies
--=====
++###Dependencies
  
  SINGA is developed and tested on Linux platforms with the following external libraries.
  
@@@ -32,13 -32,11 +30,9 @@@ Tips
  For libraries like openblas, opencv, older versions may also work, because we do not use any newly added features.
  
  
 -BUILDING SINGA FROM SOURCES
 -=====
 -Build steps
 ------
++###Building SINGA From Sources
 +
- Building SINGA From Sources
- =====
- 
- Build steps
- -----
- The build system of SINGA is based on GNU autotools.
+ The build system of SINGA is based on GNU autotools. To build singa, you need gcc version >= 4.8.
  The common steps to build SINGA can be:
  
  	1.Extract source files;
@@@ -66,11 -64,11 +60,11 @@@ To download the thirdparty dependencies
  After downloading, to install the thirdparty dependencies:
  
  	$ cd thirdparty
- 	$ ./install-dependencies.sh MISSING_LIBRARY_NAME1 YOUR_INSTALL_PATH1 MISSING_LIBRARY_NAME2 YOUR_INSTALL_PATH2
+ 	$ ./install-dependencies.sh MISSING_LIBRARY_NAME1 YOUR_INSTALL_PATH1 MISSING_LIBRARY_NAME2 YOUR_INSTALL_PATH2 ...
  
 -If you do not specify the installation path, the lirary will be installed in default folder.
 +If you do not specify the installation path, the library will be installed in default folder.
  For example, if you want to build zeromq library in system folder and gflags in /usr/local, just run:
 -	
 +
  	$ ./install-dependencies.sh zeromq gflags /usr/local
  
  Another example can be to install all dependencies in /usr/local directory:
@@@ -96,3 -94,3 +90,5 @@@ The installation commands of czmq can b
  		$ ./install-dependencies.sh czmq  /usr/local /usr/local/zeromq
  
  After the execution, czmq will be installed in /usr/local while zeromq is installed in /usr/local/zeromq.
++
++### FAQ

http://git-wip-us.apache.org/repos/asf/incubator-singa/blob/7993a786/configure
----------------------------------------------------------------------
diff --cc configure
index 7753755,7a99f5c..773b3a5
--- a/configure
+++ b/configure
@@@ -1,126 -1,38 +1,126 @@@
  #! /bin/sh
  # Guess values for system-dependent variables and create Makefiles.
- # Generated by GNU Autoconf 2.69 for singa 0.0.1.
+ # Generated by GNU Autoconf 2.59 for singa 0.1.
  #
- # Report bugs to <singa@apache.com>.
+ # Report bugs to <dev@singa.incubator.apache.org>.
  #
 -# Copyright (C) 2003 Free Software Foundation, Inc.
 +#
 +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 +#
 +#
  # This configure script is free software; the Free Software Foundation
  # gives unlimited permission to copy, distribute and modify it.
 -## --------------------- ##
 -## M4sh Initialization.  ##
 -## --------------------- ##
 +## -------------------- ##
 +## M4sh Initialization. ##
 +## -------------------- ##
  
 -# Be Bourne compatible
 -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
 +# Be more Bourne compatible
 +DUALCASE=1; export DUALCASE # for MKS sh
 +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
    emulate sh
    NULLCMD=:
 -  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
 +  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
    # is contrary to our usage.  Disable this feature.
    alias -g '${1+"$@"}'='"$@"'
 -elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
 -  set -o posix
 +  setopt NO_GLOB_SUBST
 +else
 +  case `(set -o) 2>/dev/null` in #(
 +  *posix*) :
 +    set -o posix ;; #(
 +  *) :
 +     ;;
 +esac
  fi
 -DUALCASE=1; export DUALCASE # for MKS sh
  
 -# Support unset when possible.
 -if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
 -  as_unset=unset
 -else
 -  as_unset=false
 +
 +as_nl='
 +'
 +export as_nl
 +# Printing a long string crashes Solaris 7 /usr/bin/printf.
 +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
 +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
 +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
 +# Prefer a ksh shell builtin over an external printf program on Solaris,
 +# but without wasting forks for bash or zsh.
 +if test -z "$BASH_VERSION$ZSH_VERSION" \
 +    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
 +  as_echo='print -r --'
 +  as_echo_n='print -rn --'
 +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
 +  as_echo='printf %s\n'
 +  as_echo_n='printf %s'
 +else
 +  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
 +    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
 +    as_echo_n='/usr/ucb/echo -n'
 +  else
 +    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
 +    as_echo_n_body='eval
 +      arg=$1;
 +      case $arg in #(
 +      *"$as_nl"*)
 +	expr "X$arg" : "X\\(.*\\)$as_nl";
 +	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
 +      esac;
 +      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
 +    '
 +    export as_echo_n_body
 +    as_echo_n='sh -c $as_echo_n_body as_echo'
 +  fi
 +  export as_echo_body
 +  as_echo='sh -c $as_echo_body as_echo'
  fi
  
 +# The user is always right.
 +if test "${PATH_SEPARATOR+set}" != set; then
 +  PATH_SEPARATOR=:
 +  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
 +    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
 +      PATH_SEPARATOR=';'
 +  }
 +fi
 +
 +
 +# IFS
 +# We need space, tab and new line, in precisely that order.  Quoting is
 +# there to prevent editors from complaining about space-tab.
 +# (If _AS_PATH_WALK were called with IFS unset, it would disable word
 +# splitting by setting IFS to empty value.)
 +IFS=" ""	$as_nl"
 +
 +# Find who we are.  Look in the path if we contain no directory separator.
 +as_myself=
 +case $0 in #((
 +  *[\\/]* ) as_myself=$0 ;;
 +  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 +for as_dir in $PATH
 +do
 +  IFS=$as_save_IFS
 +  test -z "$as_dir" && as_dir=.
 +    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
 +  done
 +IFS=$as_save_IFS
  
 -# Work around bugs in pre-3.0 UWIN ksh.
 -$as_unset ENV MAIL MAILPATH
 +     ;;
 +esac
 +# We did not find ourselves, most probably we were run as `sh COMMAND'
 +# in which case we are not to be found in the path.
 +if test "x$as_myself" = x; then
 +  as_myself=$0
 +fi
 +if test ! -f "$as_myself"; then
 +  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
 +  exit 1
 +fi
 +
 +# Unset variables that we do not need and which cause bugs (e.g. in
 +# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
 +# suppresses any "Segmentation fault" message there.  '((' could
 +# trigger a bug in pdksh 5.2.14.
 +for as_var in BASH_ENV ENV MAIL MAILPATH
 +do eval test x\${$as_var+set} = xset \
 +  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 +done
  PS1='$ '
  PS2='> '
  PS4='+ '
@@@ -1559,9 -1063,8 +1558,9 @@@ Some influential environment variables
  Use these variables to override the choices made by `configure' or to help
  it to find libraries and programs with nonstandard names/locations.
  
- Report bugs to <singa@apache.com>.
+ Report bugs to <dev@singa.incubator.apache.org>.
  _ACEOF
 +ac_status=$?
  fi
  
  if test "$ac_init_help" = "recursive"; then
@@@ -1619,658 -1156,43 +1618,657 @@@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir
    done
  fi
  
 -test -n "$ac_init_help" && exit 0
 +test -n "$ac_init_help" && exit $ac_status
  if $ac_init_version; then
    cat <<\_ACEOF
- singa configure 0.0.1
- generated by GNU Autoconf 2.69
+ singa configure 0.1
+ generated by GNU Autoconf 2.59
  
 -Copyright (C) 2003 Free Software Foundation, Inc.
 +Copyright (C) 2012 Free Software Foundation, Inc.
  This configure script is free software; the Free Software Foundation
  gives unlimited permission to copy, distribute and modify it.
  _ACEOF
 -  exit 0
 +  exit
  fi
 -exec 5>config.log
 -cat >&5 <<_ACEOF
 -This file contains any messages produced by compilers while
 -running configure, to aid debugging if configure makes a mistake.
  
- ## ------------------------ ##
- ## Autoconf initialization. ##
- ## ------------------------ ##
+ It was created by singa $as_me 0.1, which was
+ generated by GNU Autoconf 2.59.  Invocation command line was
  
 -  $ $0 $@
 -
 -_ACEOF
 +# ac_fn_cxx_try_compile LINENO
 +# ----------------------------
 +# Try to compile conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_cxx_try_compile ()
  {
 -cat <<_ASUNAME
 -## --------- ##
 -## Platform. ##
 -## --------- ##
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  rm -f conftest.$ac_objext
 +  if { { ac_try="$ac_compile"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_compile") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && {
 +	 test -z "$ac_cxx_werror_flag" ||
 +	 test ! -s conftest.err
 +       } && test -s conftest.$ac_objext; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
  
 -hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
 -uname -m = `(uname -m) 2>/dev/null || echo unknown`
 -uname -r = `(uname -r) 2>/dev/null || echo unknown`
 -uname -s = `(uname -s) 2>/dev/null || echo unknown`
 -uname -v = `(uname -v) 2>/dev/null || echo unknown`
 +	ac_retval=1
 +fi
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
  
 -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
 -/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
 +} # ac_fn_cxx_try_compile
 +
 +# ac_fn_c_try_compile LINENO
 +# --------------------------
 +# Try to compile conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_c_try_compile ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  rm -f conftest.$ac_objext
 +  if { { ac_try="$ac_compile"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_compile") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && {
 +	 test -z "$ac_c_werror_flag" ||
 +	 test ! -s conftest.err
 +       } && test -s conftest.$ac_objext; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +	ac_retval=1
 +fi
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_c_try_compile
 +
 +# ac_fn_c_try_link LINENO
 +# -----------------------
 +# Try to link conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_c_try_link ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  rm -f conftest.$ac_objext conftest$ac_exeext
 +  if { { ac_try="$ac_link"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_link") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && {
 +	 test -z "$ac_c_werror_flag" ||
 +	 test ! -s conftest.err
 +       } && test -s conftest$ac_exeext && {
 +	 test "$cross_compiling" = yes ||
 +	 test -x conftest$ac_exeext
 +       }; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +	ac_retval=1
 +fi
 +  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
 +  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
 +  # interfere with the next link command; also delete a directory that is
 +  # left behind by Apple's compiler.  We do this before executing the actions.
 +  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_c_try_link
 +
 +# ac_fn_c_try_cpp LINENO
 +# ----------------------
 +# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_c_try_cpp ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  if { { ac_try="$ac_cpp conftest.$ac_ext"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } > conftest.i && {
 +	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 +	 test ! -s conftest.err
 +       }; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +    ac_retval=1
 +fi
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_c_try_cpp
 +
 +# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
 +# -------------------------------------------------------
 +# Tests whether HEADER exists, giving a warning if it cannot be compiled using
 +# the include files in INCLUDES and setting the cache variable VAR
 +# accordingly.
 +ac_fn_c_check_header_mongrel ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  if eval \${$3+:} false; then :
 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 +$as_echo_n "checking for $2... " >&6; }
 +if eval \${$3+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +fi
 +eval ac_res=\$$3
 +	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 +$as_echo "$ac_res" >&6; }
 +else
 +  # Is the header compilable?
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
 +$as_echo_n "checking $2 usability... " >&6; }
 +cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +$4
 +#include <$2>
 +_ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +  ac_header_compiler=yes
 +else
 +  ac_header_compiler=no
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
 +$as_echo "$ac_header_compiler" >&6; }
 +
 +# Is the header present?
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
 +$as_echo_n "checking $2 presence... " >&6; }
 +cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +#include <$2>
 +_ACEOF
 +if ac_fn_c_try_cpp "$LINENO"; then :
 +  ac_header_preproc=yes
 +else
 +  ac_header_preproc=no
 +fi
 +rm -f conftest.err conftest.i conftest.$ac_ext
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
 +$as_echo "$ac_header_preproc" >&6; }
 +
 +# So?  What about this header?
 +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
 +  yes:no: )
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
 +$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 +$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
 +    ;;
 +  no:yes:* )
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
 +$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
 +$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
 +$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
 +$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
 +    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 +$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
 +( $as_echo "## ------------------------------- ##
 +## Report this to singa@apache.com ##
 +## ------------------------------- ##"
 +     ) | sed "s/^/$as_me: WARNING:     /" >&2
 +    ;;
 +esac
 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 +$as_echo_n "checking for $2... " >&6; }
 +if eval \${$3+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  eval "$3=\$ac_header_compiler"
 +fi
 +eval ac_res=\$$3
 +	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 +$as_echo "$ac_res" >&6; }
 +fi
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +
 +} # ac_fn_c_check_header_mongrel
 +
 +# ac_fn_c_try_run LINENO
 +# ----------------------
 +# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
 +# that executables *can* be run.
 +ac_fn_c_try_run ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  if { { ac_try="$ac_link"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_link") 2>&5
 +  ac_status=$?
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
 +  { { case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_try") 2>&5
 +  ac_status=$?
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; }; }; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: program exited with status $ac_status" >&5
 +       $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +       ac_retval=$ac_status
 +fi
 +  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_c_try_run
 +
 +# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
 +# -------------------------------------------------------
 +# Tests whether HEADER exists and can be compiled using the include files in
 +# INCLUDES, setting the cache variable VAR accordingly.
 +ac_fn_c_check_header_compile ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 +$as_echo_n "checking for $2... " >&6; }
 +if eval \${$3+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +$4
 +#include <$2>
 +_ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +  eval "$3=yes"
 +else
 +  eval "$3=no"
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +fi
 +eval ac_res=\$$3
 +	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 +$as_echo "$ac_res" >&6; }
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +
 +} # ac_fn_c_check_header_compile
 +
 +# ac_fn_c_check_func LINENO FUNC VAR
 +# ----------------------------------
 +# Tests whether FUNC exists, setting the cache variable VAR accordingly
 +ac_fn_c_check_func ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 +$as_echo_n "checking for $2... " >&6; }
 +if eval \${$3+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
 +   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 +#define $2 innocuous_$2
 +
 +/* System header to define __stub macros and hopefully few prototypes,
 +    which can conflict with char $2 (); below.
 +    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
 +    <limits.h> exists even on freestanding compilers.  */
 +
 +#ifdef __STDC__
 +# include <limits.h>
 +#else
 +# include <assert.h>
 +#endif
 +
 +#undef $2
 +
 +/* Override any GCC internal prototype to avoid an error.
 +   Use char because int might match the return type of a GCC
 +   builtin and then its argument prototype would still apply.  */
 +#ifdef __cplusplus
 +extern "C"
 +#endif
 +char $2 ();
 +/* The GNU C library defines this for functions which it implements
 +    to always fail with ENOSYS.  Some functions are actually named
 +    something starting with __ and the normal name is an alias.  */
 +#if defined __stub_$2 || defined __stub___$2
 +choke me
 +#endif
 +
 +int
 +main ()
 +{
 +return $2 ();
 +  ;
 +  return 0;
 +}
 +_ACEOF
 +if ac_fn_c_try_link "$LINENO"; then :
 +  eval "$3=yes"
 +else
 +  eval "$3=no"
 +fi
 +rm -f core conftest.err conftest.$ac_objext \
 +    conftest$ac_exeext conftest.$ac_ext
 +fi
 +eval ac_res=\$$3
 +	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 +$as_echo "$ac_res" >&6; }
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +
 +} # ac_fn_c_check_func
 +
 +# ac_fn_cxx_try_cpp LINENO
 +# ------------------------
 +# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_cxx_try_cpp ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  if { { ac_try="$ac_cpp conftest.$ac_ext"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } > conftest.i && {
 +	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
 +	 test ! -s conftest.err
 +       }; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +    ac_retval=1
 +fi
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_cxx_try_cpp
 +
 +# ac_fn_cxx_try_link LINENO
 +# -------------------------
 +# Try to link conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_cxx_try_link ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  rm -f conftest.$ac_objext conftest$ac_exeext
 +  if { { ac_try="$ac_link"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_link") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && {
 +	 test -z "$ac_cxx_werror_flag" ||
 +	 test ! -s conftest.err
 +       } && test -s conftest$ac_exeext && {
 +	 test "$cross_compiling" = yes ||
 +	 test -x conftest$ac_exeext
 +       }; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +	ac_retval=1
 +fi
 +  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
 +  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
 +  # interfere with the next link command; also delete a directory that is
 +  # left behind by Apple's compiler.  We do this before executing the actions.
 +  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_cxx_try_link
 +
 +# ac_fn_f77_try_compile LINENO
 +# ----------------------------
 +# Try to compile conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_f77_try_compile ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  rm -f conftest.$ac_objext
 +  if { { ac_try="$ac_compile"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_compile") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && {
 +	 test -z "$ac_f77_werror_flag" ||
 +	 test ! -s conftest.err
 +       } && test -s conftest.$ac_objext; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +	ac_retval=1
 +fi
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_f77_try_compile
 +
 +# ac_fn_f77_try_link LINENO
 +# -------------------------
 +# Try to link conftest.$ac_ext, and return whether this succeeded.
 +ac_fn_f77_try_link ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  rm -f conftest.$ac_objext conftest$ac_exeext
 +  if { { ac_try="$ac_link"
 +case "(($ac_try" in
 +  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
 +  *) ac_try_echo=$ac_try;;
 +esac
 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
 +$as_echo "$ac_try_echo"; } >&5
 +  (eval "$ac_link") 2>conftest.err
 +  ac_status=$?
 +  if test -s conftest.err; then
 +    grep -v '^ *+' conftest.err >conftest.er1
 +    cat conftest.er1 >&5
 +    mv -f conftest.er1 conftest.err
 +  fi
 +  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 +  test $ac_status = 0; } && {
 +	 test -z "$ac_f77_werror_flag" ||
 +	 test ! -s conftest.err
 +       } && test -s conftest$ac_exeext && {
 +	 test "$cross_compiling" = yes ||
 +	 test -x conftest$ac_exeext
 +       }; then :
 +  ac_retval=0
 +else
 +  $as_echo "$as_me: failed program was:" >&5
 +sed 's/^/| /' conftest.$ac_ext >&5
 +
 +	ac_retval=1
 +fi
 +  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
 +  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
 +  # interfere with the next link command; also delete a directory that is
 +  # left behind by Apple's compiler.  We do this before executing the actions.
 +  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +  as_fn_set_status $ac_retval
 +
 +} # ac_fn_f77_try_link
 +
 +# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
 +# -------------------------------------------
 +# Tests whether TYPE exists after having included INCLUDES, setting cache
 +# variable VAR accordingly.
 +ac_fn_c_check_type ()
 +{
 +  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 +$as_echo_n "checking for $2... " >&6; }
 +if eval \${$3+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  eval "$3=no"
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +$4
 +int
 +main ()
 +{
 +if (sizeof ($2))
 +	 return 0;
 +  ;
 +  return 0;
 +}
 +_ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +$4
 +int
 +main ()
 +{
 +if (sizeof (($2)))
 +	    return 0;
 +  ;
 +  return 0;
 +}
 +_ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +
 +else
 +  eval "$3=yes"
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +fi
 +eval ac_res=\$$3
 +	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 +$as_echo "$ac_res" >&6; }
 +  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 +
 +} # ac_fn_c_check_type
 +cat >config.log <<_ACEOF
 +This file contains any messages produced by compilers while
 +running configure, to aid debugging if configure makes a mistake.
 +
 +It was created by singa $as_me 0.0.1, which was
 +generated by GNU Autoconf 2.69.  Invocation command line was
 +
 +  $ $0 $@
 +
 +_ACEOF
 +exec 5>>config.log
 +{
 +cat <<_ASUNAME
 +## --------- ##
 +## Platform. ##
 +## --------- ##
 +
 +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
 +uname -m = `(uname -m) 2>/dev/null || echo unknown`
 +uname -r = `(uname -r) 2>/dev/null || echo unknown`
 +uname -s = `(uname -s) 2>/dev/null || echo unknown`
 +uname -v = `(uname -v) 2>/dev/null || echo unknown`
 +
 +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
 +/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
  
  /bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
  /usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
@@@ -5528,27 -4699,42 +5526,65 @@@ main (
    for (i = 0; i < 256; i++)
      if (XOR (islower (i), ISLOWER (i))
  	|| toupper (i) != TOUPPER (i))
 -      exit(2);
 -  exit (0);
 +      return 2;
 +  return 0;
  }
  _ACEOF
 -rm -f conftest$ac_exeext
 -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 -  (eval $ac_link) 2>&5
 -  ac_status=$?
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
 -  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 -  (eval $ac_try) 2>&5
 -  ac_status=$?
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); }; }; then
 -  :
 -else
 -  echo "$as_me: program exited with status $ac_status" >&5
 -echo "$as_me: failed program was:" >&5
 -sed 's/^/| /' conftest.$ac_ext >&5
 +if ac_fn_c_try_run "$LINENO"; then :
  
 -( exit $ac_status )
 -ac_cv_header_stdc=no
 +else
 +  ac_cv_header_stdc=no
  fi
 -rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 +  conftest.$ac_objext conftest.beam conftest.$ac_ext
  fi
 +
  fi
  fi
 -echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
 -echo "${ECHO_T}$ac_cv_header_stdc" >&6
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 +$as_echo "$ac_cv_header_stdc" >&6; }
  if test $ac_cv_header_stdc = yes; then
  
 -cat >>confdefs.h <<\_ACEOF
 -#define STDC_HEADERS 1
 -_ACEOF
 +$as_echo "#define STDC_HEADERS 1" >>confdefs.h
  
++# So?  What about this header?
++case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
++  yes:no: )
++    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
++echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
++echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
++    ac_header_preproc=yes
++    ;;
++  no:yes:* )
++    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
++echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
++echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
++echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
++echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
++echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
++echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
++    (
++      cat <<\_ASBOX
++## --------------------------------------------- ##
++## Report this to dev@singa.incubator.apache.org ##
++## --------------------------------------------- ##
++_ASBOX
++    ) |
++      sed "s/^/$as_me: WARNING:     /" >&2
++    ;;
++esac
++echo "$as_me:$LINENO: checking for $ac_header" >&5
++echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
++if eval "test \"\${$as_ac_Header+set}\" = set"; then
++  echo $ECHO_N "(cached) $ECHO_C" >&6
++else
++  eval "$as_ac_Header=\$ac_header_preproc"
  fi
  
  # On IRIX 5.3, sys/types and inttypes.h are conflicting.
@@@ -18695,53 -18923,53 +18865,55 @@@ return zmsg_new ()
    return 0;
  }
  _ACEOF
 -rm -f conftest.$ac_objext conftest$ac_exeext
 -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 -  (eval $ac_link) 2>conftest.er1
 -  ac_status=$?
 -  grep -v '^ *+' conftest.er1 >conftest.err
 -  rm -f conftest.er1
 -  cat conftest.err >&5
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); } &&
 -	 { ac_try='test -z "$ac_c_werror_flag"
 -			 || test ! -s conftest.err'
 -  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 -  (eval $ac_try) 2>&5
 -  ac_status=$?
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); }; } &&
 -	 { ac_try='test -s conftest$ac_exeext'
 -  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 -  (eval $ac_try) 2>&5
 -  ac_status=$?
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); }; }; then
 -  ac_cv_search_zmsg_new="none required"
 +for ac_lib in '' czmq; do
 +  if test -z "$ac_lib"; then
 +    ac_res="none required"
 +  else
 +    ac_res=-l$ac_lib
 +    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
 +  fi
 +  if ac_fn_c_try_link "$LINENO"; then :
 +  ac_cv_search_zmsg_new=$ac_res
 +fi
 +rm -f core conftest.err conftest.$ac_objext \
 +    conftest$ac_exeext
 +  if ${ac_cv_search_zmsg_new+:} false; then :
 +  break
 +fi
 +done
 +if ${ac_cv_search_zmsg_new+:} false; then :
 +
  else
 -  echo "$as_me: failed program was:" >&5
 -sed 's/^/| /' conftest.$ac_ext >&5
 +  ac_cv_search_zmsg_new=no
 +fi
 +rm conftest.$ac_ext
 +LIBS=$ac_func_search_save_LIBS
 +fi
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zmsg_new" >&5
 +$as_echo "$ac_cv_search_zmsg_new" >&6; }
 +ac_res=$ac_cv_search_zmsg_new
 +if test "$ac_res" != no; then :
 +  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 +
 +else
 +
-   as_fn_error $? "unable to find the zmsg_new() function" "$LINENO" 5
++  { { echo "$as_me:$LINENO: error: unable to find zmsg_new() function" >&5
++echo "$as_me: error: unable to find zmsg_new() function" >&2;}
++   { (exit 1); exit 1; }; }
  
  fi
 -rm -f conftest.err conftest.$ac_objext \
 -      conftest$ac_exeext conftest.$ac_ext
 -if test "$ac_cv_search_zmsg_new" = no; then
 -  for ac_lib in czmq; do
 -    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
 -    cat >conftest.$ac_ext <<_ACEOF
 -/* confdefs.h.  */
 -_ACEOF
 -cat confdefs.h >>conftest.$ac_ext
 -cat >>conftest.$ac_ext <<_ACEOF
 +
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lgflags" >&5
 +$as_echo_n "checking for main in -lgflags... " >&6; }
 +if ${ac_cv_lib_gflags_main+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  ac_check_lib_save_LIBS=$LIBS
 +LIBS="-lgflags  $LIBS"
 +cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  /* end confdefs.h.  */
  
 -/* Override any gcc2 internal prototype to avoid an error.  */
 -#ifdef __cplusplus
 -extern "C"
 -#endif
 -/* We use char because int might match the return type of a gcc2
 -   builtin and then its argument prototype would still apply.  */
 -char zmsg_new ();
 +
  int
  main ()
  {
@@@ -19204,326 -20348,214 +19330,477 @@@ main (
    return 0;
  }
  _ACEOF
 -rm -f conftest.$ac_objext
 -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
 -  (eval $ac_compile) 2>conftest.er1
 -  ac_status=$?
 -  grep -v '^ *+' conftest.er1 >conftest.err
 -  rm -f conftest.er1
 -  cat conftest.err >&5
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); } &&
 -	 { ac_try='test -z "$ac_c_werror_flag"
 -			 || test ! -s conftest.err'
 -  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 -  (eval $ac_try) 2>&5
 -  ac_status=$?
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); }; } &&
 -	 { ac_try='test -s conftest.$ac_objext'
 -  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 -  (eval $ac_try) 2>&5
 -  ac_status=$?
 -  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 -  (exit $ac_status); }; }; then
 -  ac_cv_c_volatile=yes
 -else
 -  echo "$as_me: failed program was:" >&5
 -sed 's/^/| /' conftest.$ac_ext >&5
 +if ac_fn_c_try_run "$LINENO"; then :
  
 -ac_cv_c_volatile=no
 +else
 +  ac_cv_header_stdc=no
  fi
 -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 +  conftest.$ac_objext conftest.beam conftest.$ac_ext
  fi
 -echo "$as_me:$LINENO: result: $ac_cv_c_volatile" >&5
 -echo "${ECHO_T}$ac_cv_c_volatile" >&6
 -if test $ac_cv_c_volatile = no; then
 -
 -cat >>confdefs.h <<\_ACEOF
 -#define volatile
 -_ACEOF
  
  fi
 +fi
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 +$as_echo "$ac_cv_header_stdc" >&6; }
 +if test $ac_cv_header_stdc = yes; then
  
 +$as_echo "#define STDC_HEADERS 1" >>confdefs.h
  
 -# Checks for library functions.
 +fi
  
 -for ac_header in stdlib.h
 +for ac_header in fcntl.h malloc.h stdlib.h
- do :
-   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
- ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
- if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+ do
+ as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ if eval "test \"\${$as_ac_Header+set}\" = set"; then
+   echo "$as_me:$LINENO: checking for $ac_header" >&5
+ echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+ if eval "test \"\${$as_ac_Header+set}\" = set"; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ fi
+ echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+ echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+ else
+   # Is the header compilable?
+ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+ echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ $ac_includes_default
+ #include <$ac_header>
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_header_compiler=yes
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ ac_header_compiler=no
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+ echo "${ECHO_T}$ac_header_compiler" >&6
+ 
+ # Is the header present?
+ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+ echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <$ac_header>
+ _ACEOF
+ if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+   (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } >/dev/null; then
+   if test -s conftest.err; then
+     ac_cpp_err=$ac_c_preproc_warn_flag
+     ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+   else
+     ac_cpp_err=
+   fi
+ else
+   ac_cpp_err=yes
+ fi
+ if test -z "$ac_cpp_err"; then
+   ac_header_preproc=yes
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+   ac_header_preproc=no
+ fi
+ rm -f conftest.err conftest.$ac_ext
+ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+ echo "${ECHO_T}$ac_header_preproc" >&6
+ 
+ # So?  What about this header?
+ case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+   yes:no: )
+     { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+ echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+     { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+ echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+     ac_header_preproc=yes
+     ;;
+   no:yes:* )
+     { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+ echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+     { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+ echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+     { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+ echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+     { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+ echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+     { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+ echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+     { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+ echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+     (
+       cat <<\_ASBOX
+ ## --------------------------------------------- ##
+ ## Report this to dev@singa.incubator.apache.org ##
+ ## --------------------------------------------- ##
+ _ASBOX
+     ) |
+       sed "s/^/$as_me: WARNING:     /" >&2
+     ;;
+ esac
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+ echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+ if eval "test \"\${$as_ac_Header+set}\" = set"; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   eval "$as_ac_Header=\$ac_header_preproc"
+ fi
+ echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+ echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+ 
+ fi
+ if test `eval echo '${'$as_ac_Header'}'` = yes; then
    cat >>confdefs.h <<_ACEOF
 -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 +_ACEOF
 +
 +fi
 +
 +done
 +
 +
 +# Checks for typedefs, structures, and compiler characteristics.
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5
 +$as_echo_n "checking for stdbool.h that conforms to C99... " >&6; }
 +if ${ac_cv_header_stdbool_h+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +
 +             #include <stdbool.h>
 +             #ifndef bool
 +              "error: bool is not defined"
 +             #endif
 +             #ifndef false
 +              "error: false is not defined"
 +             #endif
 +             #if false
 +              "error: false is not 0"
 +             #endif
 +             #ifndef true
 +              "error: true is not defined"
 +             #endif
 +             #if true != 1
 +              "error: true is not 1"
 +             #endif
 +             #ifndef __bool_true_false_are_defined
 +              "error: __bool_true_false_are_defined is not defined"
 +             #endif
 +
 +             struct s { _Bool s: 1; _Bool t; } s;
 +
 +             char a[true == 1 ? 1 : -1];
 +             char b[false == 0 ? 1 : -1];
 +             char c[__bool_true_false_are_defined == 1 ? 1 : -1];
 +             char d[(bool) 0.5 == true ? 1 : -1];
 +             /* See body of main program for 'e'.  */
 +             char f[(_Bool) 0.0 == false ? 1 : -1];
 +             char g[true];
 +             char h[sizeof (_Bool)];
 +             char i[sizeof s.t];
 +             enum { j = false, k = true, l = false * true, m = true * 256 };
 +             /* The following fails for
 +                HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
 +             _Bool n[m];
 +             char o[sizeof n == m * sizeof n[0] ? 1 : -1];
 +             char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
 +             /* Catch a bug in an HP-UX C compiler.  See
 +                http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
 +                http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
 +              */
 +             _Bool q = true;
 +             _Bool *pq = &q;
 +
 +int
 +main ()
 +{
 +
 +             bool e = &s;
 +             *pq |= q;
 +             *pq |= ! q;
 +             /* Refer to every declared value, to avoid compiler optimizations.  */
 +             return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
 +                     + !m + !n + !o + !p + !q + !pq);
 +
 +  ;
 +  return 0;
 +}
 +_ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +  ac_cv_header_stdbool_h=yes
 +else
 +  ac_cv_header_stdbool_h=no
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +fi
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdbool_h" >&5
 +$as_echo "$ac_cv_header_stdbool_h" >&6; }
 +   ac_fn_c_check_type "$LINENO" "_Bool" "ac_cv_type__Bool" "$ac_includes_default"
 +if test "x$ac_cv_type__Bool" = xyes; then :
 +
 +cat >>confdefs.h <<_ACEOF
 +#define HAVE__BOOL 1
 +_ACEOF
 +
 +
 +fi
 +
 +
 +if test $ac_cv_header_stdbool_h = yes; then
 +
 +$as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h
 +
 +fi
 +
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 +$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
 +if ${ac_cv_c_const+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +
 +int
 +main ()
 +{
 +
 +#ifndef __cplusplus
 +  /* Ultrix mips cc rejects this sort of thing.  */
 +  typedef int charset[2];
 +  const charset cs = { 0, 0 };
 +  /* SunOS 4.1.1 cc rejects this.  */
 +  char const *const *pcpcc;
 +  char **ppc;
 +  /* NEC SVR4.0.2 mips cc rejects this.  */
 +  struct point {int x, y;};
 +  static struct point const zero = {0,0};
 +  /* AIX XL C 1.02.0.0 rejects this.
 +     It does not let you subtract one const X* pointer from another in
 +     an arm of an if-expression whose if-part is not a constant
 +     expression */
 +  const char *g = "string";
 +  pcpcc = &g + (g ? g-g : 0);
 +  /* HPUX 7.0 cc rejects these. */
 +  ++pcpcc;
 +  ppc = (char**) pcpcc;
 +  pcpcc = (char const *const *) ppc;
 +  { /* SCO 3.2v4 cc rejects this sort of thing.  */
 +    char tx;
 +    char *t = &tx;
 +    char const *s = 0 ? (char *) 0 : (char const *) 0;
 +
 +    *t++ = 0;
 +    if (s) return 0;
 +  }
 +  { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
 +    int x[] = {25, 17};
 +    const int *foo = &x[0];
 +    ++foo;
 +  }
 +  { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
 +    typedef const int *iptr;
 +    iptr p = 0;
 +    ++p;
 +  }
 +  { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying
 +       "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
 +    struct s { int j; const int *ap[3]; } bx;
 +    struct s *b = &bx; b->j = 5;
 +  }
 +  { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
 +    const int foo = 10;
 +    if (!foo) return 0;
 +  }
 +  return !cs[0] && !zero.x;
 +#endif
 +
 +  ;
 +  return 0;
 +}
  _ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +  ac_cv_c_const=yes
 +else
 +  ac_cv_c_const=no
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +fi
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
 +$as_echo "$ac_cv_c_const" >&6; }
 +if test $ac_cv_c_const = no; then
 +
 +$as_echo "#define const /**/" >>confdefs.h
  
  fi
  
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 +$as_echo_n "checking for inline... " >&6; }
 +if ${ac_cv_c_inline+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  ac_cv_c_inline=no
 +for ac_kw in inline __inline__ __inline; do
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 +/* end confdefs.h.  */
 +#ifndef __cplusplus
 +typedef int foo_t;
 +static $ac_kw foo_t static_foo () {return 0; }
 +$ac_kw foo_t foo () {return 0; }
 +#endif
 +
 +_ACEOF
 +if ac_fn_c_try_compile "$LINENO"; then :
 +  ac_cv_c_inline=$ac_kw
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +  test "$ac_cv_c_inline" != no && break
  done
  
 -echo "$as_me:$LINENO: checking for GNU libc compatible malloc" >&5
 -echo $ECHO_N "checking for GNU libc compatible malloc... $ECHO_C" >&6
 -if test "${ac_cv_func_malloc_0_nonnull+set}" = set; then
 +fi
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
 +$as_echo "$ac_cv_c_inline" >&6; }
 +
 +case $ac_cv_c_inline in
 +  inline | yes) ;;
 +  *)
 +    case $ac_cv_c_inline in
 +      no) ac_val=;;
 +      *) ac_val=$ac_cv_c_inline;;
 +    esac
 +    cat >>confdefs.h <<_ACEOF
 +#ifndef __cplusplus
 +#define inline $ac_val
 +#endif
 +_ACEOF
 +    ;;
 +esac
 +
 +ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
 +if test "x$ac_cv_type_size_t" = xyes; then :
 +
 +else
 +
 +cat >>confdefs.h <<_ACEOF
 +#define size_t unsigned int
 +_ACEOF
 +
 +fi
 +
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working volatile" >&5
- $as_echo_n "checking for working volatile... " >&6; }
- if ${ac_cv_c_volatile+:} false; then :
-   $as_echo_n "(cached) " >&6
- else
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
- /* end confdefs.h.  */
- 
- int
- main ()
- {
- 
- volatile int x;
- int * volatile y = (int *) 0;
- return !x && !y;
-   ;
-   return 0;
- }
- _ACEOF
- if ac_fn_c_try_compile "$LINENO"; then :
-   ac_cv_c_volatile=yes
++# So?  What about this header?
++case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
++  yes:no: )
++    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
++echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
++echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
++    ac_header_preproc=yes
++    ;;
++  no:yes:* )
++    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
++echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
++echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
++echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
++echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
++echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
++    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
++echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
++    (
++      cat <<\_ASBOX
++## --------------------------------------------- ##
++## Report this to dev@singa.incubator.apache.org ##
++## --------------------------------------------- ##
++_ASBOX
++    ) |
++      sed "s/^/$as_me: WARNING:     /" >&2
++    ;;
++esac
++echo "$as_me:$LINENO: checking for $ac_header" >&5
++echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
++if eval "test \"\${$as_ac_Header+set}\" = set"; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
  else
 -  if test "$cross_compiling" = yes; then
 +  ac_cv_c_volatile=no
 +fi
 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 +fi
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_volatile" >&5
 +$as_echo "$ac_cv_c_volatile" >&6; }
 +if test $ac_cv_c_volatile = no; then
 +
 +$as_echo "#define volatile /**/" >>confdefs.h
 +
 +fi
 +
 +
 +# Checks for library functions.
 +for ac_header in stdlib.h
 +do :
 +  ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
 +if test "x$ac_cv_header_stdlib_h" = xyes; then :
 +  cat >>confdefs.h <<_ACEOF
 +#define HAVE_STDLIB_H 1
 +_ACEOF
 +
 +fi
 +
 +done
 +
 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible malloc" >&5
 +$as_echo_n "checking for GNU libc compatible malloc... " >&6; }
 +if ${ac_cv_func_malloc_0_nonnull+:} false; then :
 +  $as_echo_n "(cached) " >&6
 +else
 +  if test "$cross_compiling" = yes; then :
    ac_cv_func_malloc_0_nonnull=no
  else
 -  cat >conftest.$ac_ext <<_ACEOF
 -/* confdefs.h.  */
 -_ACEOF
 -cat confdefs.h >>conftest.$ac_ext
 -cat >>conftest.$ac_ext <<_ACEOF
 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  /* end confdefs.h.  */
 -#if STDC_HEADERS || HAVE_STDLIB_H
 +#if defined STDC_HEADERS || defined HAVE_STDLIB_H
  # include <stdlib.h>
  #else
  char *malloc ();
@@@ -20196,20 -21235,31 +20473,28 @@@ as_tr_cpp="eval sed 'y%*$as_cr_letters%
  as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
  
  
 -# IFS
 -# We need space, tab and new line, in precisely that order.
 -as_nl='
 -'
 -IFS=" 	$as_nl"
 -
 -# CDPATH.
 -$as_unset CDPATH
 -
  exec 6>&1
 -
 -# Open the log real soon, to keep \$[0] and so on meaningful, and to
 +## ----------------------------------- ##
 +## Main body of $CONFIG_STATUS script. ##
 +## ----------------------------------- ##
 +_ASEOF
 +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
 +
 +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 +# Save the log message, to keep $0 and so on meaningful, and to
  # report actual input values of CONFIG_FILES etc. instead of their
- # values after options handling.
- ac_log="
- This file was extended by singa $as_me 0.0.1, which was
- generated by GNU Autoconf 2.69.  Invocation command line was
+ # values after options handling.  Logging --version etc. is OK.
+ exec 5>>config.log
+ {
+   echo
+   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+ ## Running $as_me. ##
+ _ASBOX
+ } >&5
+ cat >&5 <<_CSEOF
+ 
+ This file was extended by singa $as_me 0.1, which was
+ generated by GNU Autoconf 2.59.  Invocation command line was
  
    CONFIG_FILES    = $CONFIG_FILES
    CONFIG_HEADERS  = $CONFIG_HEADERS
@@@ -20268,29 -21316,25 +20553,29 @@@ $config_header
  Configuration commands:
  $config_commands
  
 -Report bugs to <bug-autoconf@gnu.org>."
 -_ACEOF
 +Report bugs to <singa@apache.com>."
  
 -cat >>$CONFIG_STATUS <<_ACEOF
 +_ACEOF
 +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
  ac_cs_version="\\
- singa config.status 0.0.1
- configured by $0, generated by GNU Autoconf 2.69,
-   with options \\"\$ac_cs_config\\"
+ singa config.status 0.1
+ configured by $0, generated by GNU Autoconf 2.59,
+   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
  
 -Copyright (C) 2003 Free Software Foundation, Inc.
 +Copyright (C) 2012 Free Software Foundation, Inc.
  This config.status script is free software; the Free Software Foundation
  gives unlimited permission to copy, distribute and modify it."
 -srcdir=$srcdir
 -INSTALL="$INSTALL"
 +
 +ac_pwd='$ac_pwd'
 +srcdir='$srcdir'
 +INSTALL='$INSTALL'
 +AWK='$AWK'
 +test -n "\$AWK" || AWK=awk
  _ACEOF
  
 -cat >>$CONFIG_STATUS <<\_ACEOF
 -# If no file are specified by the user, then we need to provide default
 -# value.  By we need to know if files were specified by the user.
 +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 +# The default lists apply if the user does not specify any file.
  ac_need_defaults=:
  while test $# != 0
  do


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