php-5.x.x 源码编译报指针错误

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本文解决PHP 5.x.x在编译过程中出现的指针错误及符号未定义问题，通过补丁文件修复dom扩展的问题，并在Makefile中添加-l lber解决ldap扩展链接阶段的错误。

php-5.x.x 源码编译报指针错误

故障现象

node.c:1953:error dereferencing pointer to incomplete type

php5.2.17 make时报错：

/usr/local/src/php-5.2.17/ext/dom/node.c: In function ‘dom_canonicalization’:

/usr/local/src/php-5.2.17/ext/dom/node.c:1953:21: error: dereferencing pointer to incomplete type

    ret = buf->buffer->use;

                     ^

In file included from /usr/local/src/php-5.2.17/main/php.h:38:0,

                 from /usr/local/src/php-5.2.17/ext/dom/node.c:26:

/usr/local/src/php-5.2.17/ext/dom/node.c:1955:40: error: dereferencing pointer to incomplete type

     RETVAL_STRINGL((char *) buf->buffer->content, ret, 1);

                                        ^

/usr/local/src/php-5.2.17/Zend/zend_API.h:472:14: note: in definition of macro ‘ZVAL_STRINGL’

   char *__s=(s); int __l=l;  \

              ^

/usr/local/src/php-5.2.17/ext/dom/node.c:1955:5: note: in expansion of macro ‘RETVAL_STRINGL’

     RETVAL_STRINGL((char *) buf->buffer->content, ret, 1);

     ^

make: *** [ext/dom/node.lo] Error 1

解决办法：

在国外的一个网站上找到了这个，其他版本的php也同样适用。

# curl -o php-5.x.x.patch https://mail.gnome.org/archives/xml/2012-August/txtbgxGXAvz4N.txt
# cd php-5.x.x
# patch -p0 -b < ./php-5.x.x.patch 

   patching file ext/dom/node.c

   patching file 

   ext/dom/documenttype.c

   patching file ext/simplexml/simplexml.c

再次编译即可。

后面遇到另外一个报错
以下的错误是：

/usr/bin/ld: ext/ldap/.libs/ldap.o: undefined reference to symbol 'ber_scanf'

/usr/bin/ld: note: 'ber_scanf' is defined in DSO /lib64/liblber-2.4.so.2 so try adding it to the linker command line 
/lib64/liblber-2.4.so.2: could not read symbols: Invalid operation 
collect2: ld returned 1 exit status 
make: *** [sapi/cli/php] Error 1 


libtool: unrecognized option `-export-dynamic' 
Try `libtool --help' for more information. 
make: *** [sapi/cli/php] Error 1 


/usr/bin/ld: ext/ldap/.libs/ldap.o: undefined reference to symbol 'ber_scanf' 
/usr/bin/ld: note: 'ber_scanf' is defined in DSO /lib64/liblber-2.4.so.2 so try adding it to the linker command line 
/lib64/liblber-2.4.so.2: could not read symbols: Invalid operation 
collect2: ld returned 1 exit status 

make: *** [sapi/cli/php] Error 1