Phalcon installation issue on PHP 5.6 - phalcon

Question

I struggling install Phalcon for 2 days but still fail. my server has lasted Direct Admin installed.
below is my installation command
cd /root/cphalcon/ext && /usr/local/php56/bin/phpize --clean && /usr/local/php56/bin/phpize && ./configure --enable-phalcon --with-php-config=/usr/local/php56/bin/php-config56 && make
which generate error in config.log as below
please suggest how to fix this
Thank so much in advanced.
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 2.63. Invocation command line was
$ ./configure --enable-phalcon
## --------- ##
## Platform. ##
## --------- ##
hostname = hidden
uname -m = x86_64
uname -r = 2.6.32-504.23.4.el6.x86_64
uname -s = Linux
uname -v = #1 SMP Tue Jun 9 20:57:37 UTC 2015
/usr/bin/uname -p = unknown
/bin/uname -X = unknown
/bin/arch = x86_64
/usr/bin/arch -k = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo = unknown
/bin/machine = unknown
/usr/bin/oslevel = unknown
/bin/universe = unknown
PATH: /usr/local/sbin
PATH: /usr/local/bin
PATH: /sbin
PATH: /bin
PATH: /usr/sbin
PATH: /usr/bin
PATH: /root/bin
## ----------- ##
## Core tests. ##
## ----------- ##
configure:1984: checking for grep that handles long lines and -e
configure:2044: result: /bin/grep
configure:2049: checking for egrep
configure:2113: result: /bin/grep -E
configure:2118: checking for a sed that does not truncate output
configure:2184: result: /bin/sed
configure:2318: checking for cc
configure:2334: found /usr/bin/cc
configure:2345: result: cc
configure:2379: checking for C compiler version
configure:2387: cc --version >&5
cc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-11)
Copyright (C) 2010 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:2391: $? = 0
configure:2398: cc -v >&5
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC)
configure:2402: $? = 0
configure:2409: cc -V >&5
cc: '-V' option must have argument
configure:2413: $? = 1
configure:2436: checking for C compiler default output file name
configure:2458: cc -O2 --fvisibility=hidden conftest.c >&5
cc1: error: unrecognized command line option "-ffvisibility=hidden"
configure:2462: $? = 1
configure:2500: result:
configure: failed program was:
| /* confdefs.h. */
| #define PACKAGE_NAME ""
| #define PACKAGE_TARNAME ""
| #define PACKAGE_VERSION ""
| #define PACKAGE_STRING ""
| #define PACKAGE_BUGREPORT ""
| /* end confdefs.h. */
|
| int
| main ()
| {
|
| ;
| return 0;
| }
configure:2506: error: in `/root/cphalcon/build/64bits':
configure:2509: error: C compiler cannot create executables
See `config.log' for more details.