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-rw-r--r--install.php13
1 files changed, 13 insertions, 0 deletions
diff --git a/install.php b/install.php
index 8c9b6138b..7fece8999 100644
--- a/install.php
+++ b/install.php
@@ -301,6 +301,19 @@ function checkPrereqs()
$pass = false;
}
+ // Look for known library bugs
+ $str = "abcdefghijklmnopqrstuvwxyz";
+ $replaced = preg_replace('/[\p{Cc}\p{Cs}]/u', '*', $str);
+ if ($str != $replaced) {
+ printf('<p class="error">PHP is linked to a version of the PCRE library ' .
+ 'that does not support Unicode properties. ' .
+ 'If you are running Red Hat Enterprise Linux / ' .
+ 'CentOS 5.3 or earlier, see <a href="' .
+ 'http://status.net/wiki/Red_Hat_Enterprise_Linux#PCRE_library' .
+ '">our documentation page</a> on fixing this.</p>');
+ $pass = false;
+ }
+
$reqs = array('gd', 'curl',
'xmlwriter', 'mbstring', 'xml', 'dom', 'simplexml');