我正在尝试将 pthreads 安装到本地 ubuntu 环境中。当我尝试使用 pecl 安装扩展时：
pecl install pthreads
我收到以下错误：
错误：`/tmp/pear/temp/pthreads/configure --with-php-config=/usr/bin/php-config' 失败
但我已经安装了：
vagrant@freid:/$ php7.0-zts -v
PHP 7.0.5-4+donate.sury.org~trusty+1 (cli) ( ZTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies
这是我的完整输出；
downloading pthreads-3.1.6.tgz ...
Starting to download pthreads-3.1.6.tgz (80,932 bytes)
...................done: 80,932 bytes
28 source files, building
running: phpize
Configuring for:
PHP Api Version: 20151012
Zend Module Api No: 20151012
Zend Extension Api No: 320151012
building in /tmp/pear/temp/pear-build-root5N00Nz/pthreads-3.1.6
running: /tmp/pear/temp/pthreads/configure --with-php-config=/usr/bin/php-config
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... /usr
checking for PHP includes... -I/usr/include/php/20151012 -I/usr/include/php/20151012/main -I/usr/include/php/20151012/TSRM -I/usr/include/php/20151012/Zend -I/usr/include/php/20151012/ext -I/usr/include/php/20151012/ext/date/lib
checking for PHP extension directory... /usr/lib/php/20151012
checking for PHP installed headers prefix... /usr/include/php/20151012
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 pthreads... yes, shared
checking whether to enable AddressSanitizer for pthreads... no
checking whether to enable dmalloc for pthreads... no
checking for ZTS... configure: error: pthreads requires ZTS, please re-compile PHP with ZTS enabled
ERROR: `/tmp/pear/temp/pthreads/configure --with-php-config=/usr/bin/php-config' failed