Disable the 'phar' command-line tool build/installation since it requires
php to run and pack up phar itself in phar format. This would require
a host-php instance and really probably nobody needs the phar tool
on the target.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
[Gustavo: update for autoreconf/configure.in]

diff -Nura php-5.6.7.orig/configure.in php-5.6.7/configure.in
--- php-5.6.7.orig/configure.in	2015-04-08 11:08:10.815835010 -0300
+++ php-5.6.7/configure.in	2015-04-08 11:16:20.460467444 -0300
@@ -1437,13 +1437,8 @@
 INLINE_CFLAGS="$INLINE_CFLAGS $standard_libtool_flag"
 CXXFLAGS="$CXXFLAGS $standard_libtool_flag"
 
-if test "$PHP_PHAR" != "no" && test "$PHP_CLI" != "no"; then
-  pharcmd=pharcmd
-  pharcmd_install=install-pharcmd
-else
-  pharcmd=
-  pharcmd_install=
-fi;
+pharcmd=
+pharcmd_install=
 
 all_targets="$lcov_target \$(OVERALL_TARGET) \$(PHP_MODULES) \$(PHP_ZEND_EX) \$(PHP_BINARIES) $pharcmd"
 install_targets="$install_sapi $install_modules $install_binaries install-build install-headers install-programs $install_pear $pharcmd_install"