Question: Hi, I was trying to install Mediawiki on CentOS 6.6 machine. I have also installed all the dependant packages such as PHP, APC, Xcache, pecl extensions etc…During the install, Mediawiki shown a warning as “The intl PECL extension is not available to handle Unicode normalization, falling back to slow pure-PHP implementation“. This message suggests to install ‘php-intl‘, which I did it via yum and landed up on the below error message.
# pecl install intl configure: error: Unable to detect ICU prefix or no failed. Please verify ICU install prefix and make sure icu-config works. ERROR: `/var/tmp/intl/configure --with-icu-dir=DEFAULT' failed
I’m clueless on how to get rid of this error. Any help would be appreciated.
– Avinash
Solution:
You need to install ‘Components for Unicode‘ development package.
On RedHat/CentOS:
# yum install libicu-devel
On Debian/Ubuntu:
# apt-get install libicu-dev
Once ‘Components for Unicode’ is installed. Try installing php-intl again.
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