http://svn.php.net/viewvc?view=revision&revision=309809
--- config.m4	2011/03/29 13:33:24	309808
+++ config.m4	2011/03/29 15:30:43	309809
@@ -23,10 +23,10 @@
     echo "Error: libesmtp-config not found."
     exit 1
   fi
-  
+
   IFS=".r"; set $libesmtp_version; IFS=' '
   esmtp_libesmtp_version=`expr [$]1 \* 1000000 + [$]2 \* 1000 + [$]3`
-  if test "esmtp_libesmtp_version" -ge 1000003; then
+  if test "$esmtp_libesmtp_version" -ge 1000003; then
     echo "checking for libESMTP version ... $libesmtp_version (ok)"
   else
     echo "checking for libESMTP version ... $libesmtp_version (Error: you need libESMTP version 1.0.3r1 or newer installed to build esmtp)"
@@ -34,15 +34,15 @@
   fi
 
   dnl check PHP version
-  php_version=`$PHP_CONFIG --version 2>/dev/null|head -n 1|sed -e 's/^[^0-9]*//' -e 's/[a-z]* *$//'`
+  php_version=`$PHP_CONFIG --version 2>/dev/null|head -n 1|sed -e 's/^[^0-9]*//' -e 's/[a-z-]* *$//'`
   if test -z "$php_version"; then
     echo "Error: php/php-config not found."
     exit 1
   fi
-  
-  IFS=.; set $php_version; IFS=' '
+
+  IFS=".-"; set $php_version; IFS=' '
   esmtp_php_version=`expr [$]1 \* 1000000 + [$]2 \* 1000 + [$]3`
-  if test "esmtp_php_version" -ge 4003002; then
+  if test "$esmtp_php_version" -ge 4003002; then
     echo "checking for PHP version ... $php_version (ok)"
   else
     echo "checking for PHP version ... $php_version (Error: you need PHP version 4.3.2 or newer installed to build esmtp)"
@@ -68,7 +68,7 @@
         PHP_NEW_EXTENSION(esmtp, esmtp.c, $ext_shared)
       else
         echo "Error: php version $php_version is unsupported."
-	exit 1
+        exit 1
       fi
     fi