Unable to detect ICU prefix or no failed. Please verify ICU install prefix and make sure icu-config works.

출처 : http://serverfault.com/questions/210889/installing-enabling-php-pecl-intl-extension-on-centos-5

Installing/enabling PHP Pecl Intl extension on CentOs 5

Original question: I'm having trouble installing the PHP Pecl Intl extension on my CentOs 5 machine. After installing both ic...

serverfault.com

해결방법 1. 

sudo yum install libicu
sudo yum install libicu-devel.x86_64
sudo /usr/bin/pecl install intl
sudo echo 'extension=intl.so' >> /etc/php.ini

해결방법 2. 

yum install libicu-devel

해결방법 3.

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1) install icu & libs:
yum -y install icu libicu libicu-devel 
2) php-devel package and phpize:
yum -y install php-devel phpize
3) and, of course gcc:
yum -y install gcc gcc-cpp gcc-c++
(+1 to yuri for gcc, gcc-cpp, and gcc-c++ , sorry can't comment due to no rating )
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