From 3702a09af160f2ee3a550bd46b45226c849a2527 Mon Sep 17 00:00:00 2001
From: aoneil <aoneil@467b73ca-7a2a-4603-9d3b-597d59a354a9>
Date: Wed, 12 Sep 2007 00:02:14 +0000
Subject: [PATCH] If posix module is not enabled, just show a warning

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/phpinstaller/trunk@41577 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 install.php | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/install.php b/install.php
index a299f04..6cd36f2 100644
--- a/install.php
+++ b/install.php
@@ -300,18 +300,23 @@ class InstallRequirements {
 	function requireWriteable($filename, $testDetails) {
 		$this->testing($testDetails);
 		$filename = $this->getBaseDir() . $filename;
-		
-		if(!is_writeable($filename)) {
-			$user = posix_getpwuid(posix_geteuid());
-			$groups = posix_getgroups();
-			foreach($groups as $group) {
-				$groupInfo = posix_getgrgid($group);
-				$groupList[] = $groupInfo['name'];
-			}
-			$groupList = "'" . implode("', '", $groupList) . "'";
-			
-			$testDetails[2] .= "User '$user[name]' needs to write be able to write to this file:\n$filename";
-			$this->error($testDetails);
+		
+		if(function_exists('posix_getgroups')) {
+			if(!is_writeable($filename)) {
+				$user = posix_getpwuid(posix_geteuid());
+				$groups = posix_getgroups();
+				foreach($groups as $group) {
+					$groupInfo = posix_getgrgid($group);
+					$groupList[] = $groupInfo['name'];
+				}
+				$groupList = "'" . implode("', '", $groupList) . "'";
+				
+				$testDetails[2] .= "User '$user[name]' needs to write be able to write to this file:\n$filename";
+				$this->error($testDetails);
+			}
+		} else {
+			$testDetails[2] .= "Unable to detect whether I can write to files. Please ensure $filename is writable.";
+			$this->warning($testDetails);
 		}
 	}