编译php7.0.17报错提示 undefined reference to `libiconv_open'

本文解决在配置并编译PHP 7.0.17过程中遇到的与iconv扩展相关的未定义引用错误。通过在make命令中添加额外的链接库参数'-liconv',成功解决了编译过程中的问题。

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配置

./configure –prefix=/usr/local/php7

错误详情

make

/opt/src/php-7.0.17/ext/iconv/iconv.c:755: undefined reference to `libiconv_open'
/opt/src/php-7.0.17/ext/iconv/iconv.c:779: undefined reference to `libiconv'
/opt/src/php-7.0.17/ext/iconv/iconv.c:813: undefined reference to `libiconv_close'
ext/iconv/.libs/iconv.o: In function `_php_iconv_appendl':
/opt/src/php-7.0.17/ext/iconv/iconv.c:474: undefined reference to `libiconv'
/opt/src/php-7.0.17/ext/iconv/iconv.c:508: undefined reference to `libiconv'
ext/iconv/.libs/iconv.o: In function `_php_iconv_mime_decode':
/opt/src/php-7.0.17/ext/iconv/iconv.c:1505: undefined reference to `libiconv_open'
/opt/src/php-7.0.17/ext/iconv/iconv.c:1998: undefined reference to `libiconv_close'
/opt/src/php-7.0.17/ext/iconv/iconv.c:2001: undefined reference to `libiconv_close'
/opt/src/php-7.0.17/ext/iconv/iconv.c:1616: undefined reference to `libiconv_close'
/opt/src/php-7.0.17/ext/iconv/iconv.c:1619: undefined reference to `libiconv_open'
ext/iconv/.libs/iconv.o: In function `_php_iconv_substr':

解决方案

make 时增加 ZEND_EXTRA_LIBS=’-liconv’ 参数即可,如下

make ZEND_EXTRA_LIBS='-liconv'
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