title: WHM PECL install memcache error PHP 7.2
body: <p>"<code>memcached</code>" already installed but "<code>memcache</code>" i cant install. 
  I installed in <strong>php 5.6</strong> successfully but in <strong>7.2</strong> get error</p>
  
  <p>Screenshot in WHM:</p>
  
  <p><a href="https://i.stack.imgur.com/YQLEg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YQLEg.png" alt="screenshot"></a></p>
  
  <p>Install logs</p>
  
  <pre><code>downloading memcache-2.2.7.tgz ...
  Starting to download memcache-2.2.7.tgz (36,459 bytes)
  ..........done: 36,459 bytes
  11 source files, building
  running: phpize
  Configuring for:
  PHP Api Version:         20170718
  Zend Module Api No:      20170718
  Zend Extension Api No:   320170718
  Enable memcache session handler support? [yes] : building in /root/tmp/pear/pear-build-rootN2fUrn/memcache-2.2.7
  running: /root/tmp/pear/memcache/configure --with-php-config=/opt/cpanel/ea-php72/root/usr/bin/php-config --enable-memcache-session=yes
  checking for grep that handles long lines and -e... /bin/grep
  checking for egrep... /bin/grep -E
  checking for a sed that does not truncate output... /bin/sed
  checking for cc... cc
  checking whether the C compiler works... yes
  checking for C compiler default output file name... a.out
  checking for suffix of executables...
  checking whether we are cross compiling... no
  checking for suffix of object files... o
  checking whether we are using the GNU C compiler... yes
  checking whether cc accepts -g... yes
  checking for cc option to accept ISO C89... none needed
  checking how to run the C preprocessor... cc -E
  checking for icc... no
  checking for suncc... no
  checking whether cc understands -c and -o together... yes
  checking for system library directory... lib
  checking if compiler supports -R... no
  checking if compiler supports -Wl,-rpath,... yes
  checking build system type... x86_64-unknown-linux-gnu
  checking host system type... x86_64-unknown-linux-gnu
  checking target system type... x86_64-unknown-linux-gnu
  checking for PHP prefix... /opt/cpanel/ea-php72/root/usr
  checking for PHP includes... -I/opt/cpanel/ea-php72/root/usr/include/php -I/opt/cpanel/ea-php72/root/usr/include/php/main -I/opt/cpanel/ea-php72/root/usr/include/php/TSRM -I/opt/cpanel/ea-php72/root/usr/include/php/Zend -I/opt/cpanel/ea-php72/root/usr/include/php/ext -I/opt/cpanel/ea-php72/root/usr/include/php/ext/date/lib
  checking for PHP extension directory... /opt/cpanel/ea-php72/root/usr/lib64/php/modules
  checking for PHP installed headers prefix... /opt/cpanel/ea-php72/root/usr/include/php
  checking if debug is enabled... no
  checking if zts is enabled... no
  checking for re2c... no
  configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.
  checking for gawk... gawk
  checking whether to enable memcache support... yes, shared
  checking whether to enable memcache session handler support... yes
  checking for the location of ZLIB... no
  checking for the location of zlib... /usr
  checking for session includes... /opt/cpanel/ea-php72/root/usr/include/php
  checking for memcache session support... enabled
  checking how to print strings... printf
  checking for a sed that does not truncate output... (cached) /bin/sed
  checking for fgrep... /bin/grep -F
  checking for ld used by cc... /bin/ld
  checking if the linker (/bin/ld) is GNU ld... yes
  checking for BSD- or MS-compatible name lister (nm)... /bin/nm -B
  checking the name lister (/bin/nm -B) interface... BSD nm
  checking whether ln -s works... yes
  checking the maximum length of command line arguments... 1572864
  checking whether the shell understands some XSI constructs... yes
  checking whether the shell understands "+="... yes
  checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format... func_convert_file_noop
  checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop
  checking for /bin/ld option to reload object files... -r
  checking for objdump... objdump
  checking how to recognize dependent libraries... pass_all
  checking for dlltool... no
  checking how to associate runtime and link libraries... printf %s\n
  checking for ar... ar
  checking for archiver @FILE support... @
  checking for strip... strip
  checking for ranlib... ranlib
  checking for gawk... (cached) gawk
  checking command to parse /bin/nm -B output from cc object... ok
  checking for sysroot... no
  checking for mt... no
  checking if : is a manifest tool... no
  checking for ANSI C header files... yes
  checking for sys/types.h... yes
  checking for sys/stat.h... yes
  checking for stdlib.h... yes
  checking for string.h... yes
  checking for memory.h... yes
  checking for strings.h... yes
  checking for inttypes.h... yes
  checking for stdint.h... yes
  checking for unistd.h... yes
  checking for dlfcn.h... yes
  checking for objdir... .libs
  checking if cc supports -fno-rtti -fno-exceptions... no
  checking for cc option to produce PIC... -fPIC -DPIC
  checking if cc PIC flag -fPIC -DPIC works... yes
  checking if cc static flag -static works... yes
  checking if cc supports -c -o file.o... yes
  checking if cc supports -c -o file.o... (cached) yes
  checking whether the cc linker (/bin/ld -m elf_x86_64) supports shared libraries... yes
  checking whether -lc should be explicitly linked in... no
  checking dynamic linker characteristics... GNU/Linux ld.so
  checking how to hardcode library paths into programs... immediate
  checking whether stripping libraries is possible... yes
  checking if libtool supports shared libraries... yes
  checking whether to build shared libraries... yes
  checking whether to build static libraries... no
  configure: creating ./config.status
  config.status: creating config.h
  config.status: executing libtool commands
  running: make
  /bin/sh /root/tmp/pear/pear-build-rootN2fUrn/memcache-2.2.7/libtool --mode=compile cc -I/opt/cpanel/ea-php72/root/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear/pear-build-rootN2fUrn/memcache-2.2.7/include -I/root/tmp/pear/pear-build-rootN2fUrn/memcache-2.2.7/main -I/root/tmp/pear/memcache -I/opt/cpanel/ea-php72/root/usr/include/php -I/opt/cpanel/ea-php72/root/usr/include/php/main -I/opt/cpanel/ea-php72/root/usr/include/php/TSRM -I/opt/cpanel/ea-php72/root/usr/include/php/Zend -I/opt/cpanel/ea-php72/root/usr/include/php/ext -I/opt/cpanel/ea-php72/root/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /root/tmp/pear/memcache/memcache.c -o memcache.lo
  libtool: compile:  cc -I/opt/cpanel/ea-php72/root/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear/pear-build-rootN2fUrn/memcache-2.2.7/include -I/root/tmp/pear/pear-build-rootN2fUrn/memcache-2.2.7/main -I/root/tmp/pear/memcache -I/opt/cpanel/ea-php72/root/usr/include/php -I/opt/cpanel/ea-php72/root/usr/include/php/main -I/opt/cpanel/ea-php72/root/usr/include/php/TSRM -I/opt/cpanel/ea-php72/root/usr/include/php/Zend -I/opt/cpanel/ea-php72/root/usr/include/php/ext -I/opt/cpanel/ea-php72/root/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache.c  -fPIC -DPIC -o .libs/memcache.o
  /root/tmp/pear/memcache/memcache.c:40:40: fatal error: ext/standard/php_smart_str.h: No such file or directory
   #include "ext/standard/php_smart_str.h"
                                          ^
  compilation terminated.
  make: *** [memcache.lo] Error 1
  ERROR: `make' failed
  </code></pre>