$ php -v
PHP 7.1.16 (cli) (built: Apr 10 2018 18:09:30) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.1.16, Copyright (c) 1999-2018, by Zend Technologies

$ php -m
[PHP Modules]
bcmath
bz2
calendar
Core
ctype
curl
date
dba
dom
enchant
exif
fileinfo
filter
ftp
gd
gettext
gmp
hash
iconv
imap
intl
json
ldap
libxml
mbstring
mysqli
mysqlnd
odbc
openssl
pcre
PDO
pdo_dblib
pdo_mysql
PDO_ODBC
pdo_pgsql
pdo_sqlite
pgsql
Phar
posix
pspell
readline
recode
Reflection
session
shmop
SimpleXML
soap
sockets
SPL
sqlite3
standard
sysvmsg
sysvsem
sysvshm
tidy
tokenizer
wddx
xml
xmlreader
xmlrpc
xmlwriter
xsl
Zend OPcache
zip
zlib

[Zend Modules]
Zend OPcache

$ php -i |grep pcre
pcre
pcre.backtrack_limit => 1000000 => 1000000
pcre.jit => 0 => 0
pcre.recursion_limit => 100000 => 100000


$ pecl install apcu
WARNING: channel "pecl.php.net" has updated its protocols, use "pecl channel-update pecl.php.net" to update
downloading apcu-5.1.12.tar ...
Starting to download apcu-5.1.12.tar (715,264 bytes)
......done: 715,264 bytes
39 source files, building
running: phpize
Configuring for:
PHP Api Version:         20160303
Zend Module Api No:      20160303
Zend Extension Api No:   320160303
Enable internal debugging in APCu [no] :
building in /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12
running: /tmp/pear/temp/apcu/configure --with-php-config=/usr/bin/php-config --enable-apcu-debug=no
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for a sed that does not truncate output... /usr/bin/sed
checking for cc... cc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.exe
checking for suffix of executables... .exe
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-cygwin
checking host system type... x86_64-unknown-cygwin
checking target system type... x86_64-unknown-cygwin
checking for PHP prefix... /usr
checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib
checking for PHP extension directory... /usr/lib/php/20160303
checking for PHP installed headers prefix... /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 APCu support... yes, shared
checking if APCu should be allowed to use rwlocks... yes
checking if APCu should be built in debug mode... no
checking if APCu should clear on SIGUSR1... no
checking if APCu will use mmap (or shm)... yes
checking if APCu should utilize spinlocks before flocks... no
checking whether the target compiler supports builtin atomics... yes
Unable to set PTHREAD_PROCESS_SHARED (pthread_rwlockattr_setpshared), your system may not support shared rwlock's.
configure: WARNING: It doesn't appear that pthread rwlocks are supported on your system
Unable to set PTHREAD_PROCESS_SHARED (pthread_mutexattr_setpshared), your system may not support shared mutex's.
configure: WARNING: It doesn't appear that pthread mutexes are supported on your system
configure: WARNING: APCu file locking enabled
checking for sigaction... yes
checking for union semun... 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 valgrind/memcheck.h usability... no
checking valgrind/memcheck.h presence... no
checking for valgrind/memcheck.h... no
checking for shm_open in -lrt... yes
checking whether to include code coverage symbols... no
checking how to print strings... printf
checking for a sed that does not truncate output... (cached) /usr/bin/sed
checking for fgrep... /usr/bin/grep -F
checking for ld used by cc... /usr/x86_64-pc-cygwin/bin/ld.exe
checking if the linker (/usr/x86_64-pc-cygwin/bin/ld.exe) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 8192
checking how to convert x86_64-unknown-cygwin file names to x86_64-unknown-cygwin format... func_convert_file_noop
checking how to convert x86_64-unknown-cygwin file names to toolchain format... func_convert_file_noop
checking for /usr/x86_64-pc-cygwin/bin/ld.exe option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... file_magic ^x86 archive import|^x86 DLL
checking for dlltool... dlltool
checking how to associate runtime and link libraries... func_cygming_dll_for_implib
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 /usr/bin/nm -B output from cc object... ok
checking for sysroot... no
checking for a working dd... /usr/bin/dd
checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1
checking for mt... no
checking if : is a manifest tool... no
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... -DDLL_EXPORT -DPIC
checking if cc PIC flag -DDLL_EXPORT -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 (/usr/x86_64-pc-cygwin/bin/ld.exe) supports shared libraries... yes
checking whether -lc should be explicitly linked in... yes
checking dynamic linker characteristics... Win32 ld.exe
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 /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc.c -o apc.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc.c  -DDLL_EXPORT -DPIC -o .libs/apc.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_lock.c -o apc_lock.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_lock.c  -DDLL_EXPORT -DPIC -o .libs/apc_lock.o
/tmp/pear/temp/apcu/apc_lock.c: 在函数‘apc_lock_create’中:
/tmp/pear/temp/apcu/apc_lock.c:183:3: 警告：‘mktemp’ is deprecated: the use of `mktemp' is dangerous; use `mkstemp' instead [-Wdeprecated-declarations]
   mktemp(lock_path);
   ^~~~~~
In file included from /tmp/pear/temp/apcu/apc.h:52:0,
                 from /tmp/pear/temp/apcu/apc_lock.h:26,
                 from /tmp/pear/temp/apcu/apc_lock.c:22:
/usr/include/stdlib.h:131:8: 附注：在此声明
 char * mktemp (char *) _ATTRIBUTE ((__deprecated__("the use of `mktemp' is dangerous; use `mkstemp' instead")));
        ^~~~~~
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/php_apc.c -o php_apc.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/php_apc.c  -DDLL_EXPORT -DPIC -o .libs/php_apc.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_cache.c -o apc_cache.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_cache.c  -DDLL_EXPORT -DPIC -o .libs/apc_cache.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_mmap.c -o apc_mmap.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_mmap.c  -DDLL_EXPORT -DPIC -o .libs/apc_mmap.o
/tmp/pear/temp/apcu/apc_mmap.c: 在函数‘apc_mmap’中:
/tmp/pear/temp/apcu/apc_mmap.c:95:3: 警告：‘mktemp’ is deprecated: the use of `mktemp' is dangerous; use `mkstemp' instead [-Wdeprecated-declarations]
   if(!mktemp(file_mask)) {
   ^~
In file included from /tmp/pear/temp/apcu/apc.h:52:0,
                 from /tmp/pear/temp/apcu/apc_mmap.c:28:
/usr/include/stdlib.h:131:8: 附注：在此声明
 char * mktemp (char *) _ATTRIBUTE ((__deprecated__("the use of `mktemp' is dangerous; use `mkstemp' instead")));
        ^~~~~~
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_shm.c -o apc_shm.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_shm.c  -DDLL_EXPORT -DPIC -o .libs/apc_shm.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_sma.c -o apc_sma.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_sma.c  -DDLL_EXPORT -DPIC -o .libs/apc_sma.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_stack.c -o apc_stack.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_stack.c  -DDLL_EXPORT -DPIC -o .libs/apc_stack.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_signal.c -o apc_signal.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_signal.c  -DDLL_EXPORT -DPIC -o .libs/apc_signal.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_pool.c -o apc_pool.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_pool.c  -DDLL_EXPORT -DPIC -o .libs/apc_pool.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=compile cc  -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/pear/temp/apcu/apc_iterator.c -o apc_iterator.lo
libtool: compile:  cc -I. -I/tmp/pear/temp/apcu -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/apcu/apc_iterator.c  -DDLL_EXPORT -DPIC -o .libs/apc_iterator.o
/bin/sh /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/libtool --mode=link cc -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/include -I/tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/main -I/tmp/pear/temp/apcu -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -o apcu.la -shared -export-dynamic -avoid-version -module -no-undefined -rpath /tmp/pear/temp/pear-build-liunW7ORg/apcu-5.1.12/modules  apc.lo apc_lock.lo php_apc.lo apc_cache.lo apc_mmap.lo apc_shm.lo apc_sma.lo apc_stack.lo apc_signal.lo apc_pool.lo apc_iterator.lo -lphp7 -lrt
libtool: link: cc -shared  .libs/apc.o .libs/apc_lock.o .libs/php_apc.o .libs/apc_cache.o .libs/apc_mmap.o .libs/apc_shm.o .libs/apc_sma.o .libs/apc_stack.o .libs/apc_signal.o .libs/apc_pool.o .libs/apc_iterator.o   -lphp7 -lrt  -g -O2   -o .libs/apcu.dll -Wl,--enable-auto-image-base -Xlinker --out-implib -Xlinker .libs/apcu.dll.a
.libs/apc_iterator.o: In function `apc_iterator_search_match':
/tmp/pear/temp/apcu/apc_iterator.c:199: undefined reference to `pcre_exec'
/tmp/pear/temp/apcu/apc_iterator.c:199:(.text+0x450): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `pcre_exec'
collect2: error: ld returned 1 exit status
make: *** [Makefile:220：apcu.la] 错误 1
ERROR: `make' failed

/bin/sh /home/liu/apcu-5.1.12/libtool --mode=link cc -DPHP_ATOM_INC -I/home/liu/apcu-5.1.12/include -I/home/liu/apcu-5.1.12/main -I/home/liu/apcu-5.1.12 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -o apcu.la -shared -export-dynamic -avoid-version -module -no-undefined -rpath /home/liu/apcu-5.1.12/modules  apc.lo apc_lock.lo php_apc.lo apc_cache.lo apc_mmap.lo apc_shm.lo apc_sma.lo apc_stack.lo apc_signal.lo apc_pool.lo apc_iterator.lo -lphp7 -lrt -lpcre

add -lpcre make succes