Update minimum versions of development tools (#3346)

* Update minimum versions of development tools

* autoconf:
  * PHP 7.3 and later: 2.68+
  * PHP 7.2: 2.64+
  * From PHP 5.4 to 7.1: 2.59+
* re2c:
  * From PHP 8.3 and later 1.0.3+
  * From PHP 5.2 to 8.2: 0.13.4+
  * PHP 5.1 required 0.9.11+ (not noting in the docs due to obsoletion)
* bison:
  * From PHP 7.4 and later: 3.0.0+
  * From PHP 7.0 to 7.3: 2.4+ (including Bison 3.x)
  * From PHP 5.5 to 5.6: 2.4 to 2.7
  * PHP 5.4: 1.28, 1.35, 1.75, 2.0 to 2.6.4

* Remove PHP 5 era versions

Author: petk

install/unix/index.xml

@@ -61,8 +61,25 @@
     <itemizedlist>
      <listitem>
       <simpara>
-       autoconf: 2.59+ (for PHP &gt;= 7.0.0), 2.64+ (for PHP &gt;= 7.2.0)
+       autoconf:
       </simpara>
+      <itemizedlist>
+       <listitem>
+        <simpara>
+         PHP 7.3 and later: 2.68+
+        </simpara>
+       </listitem>
+       <listitem>
+        <simpara>
+         PHP 7.2: 2.64+
+        </simpara>
+       </listitem>
+       <listitem>
+        <simpara>
+         PHP 7.1 and earlier: 2.59+
+        </simpara>
+       </listitem>
+      </itemizedlist>
      </listitem>
      <listitem>
       <simpara>
@@ -76,8 +93,20 @@
      </listitem>
      <listitem>
       <simpara>
-       re2c: 0.13.4+
+       re2c:
       </simpara>
+      <itemizedlist>
+       <listitem>
+        <simpara>
+         PHP 8.3 and later: 1.0.3+
+        </simpara>
+       </listitem>
+       <listitem>
+        <simpara>
+         PHP 8.2 and earlier: 0.13.4+
+        </simpara>
+       </listitem>
+      </itemizedlist>
      </listitem>
      <listitem>
       <simpara>
@@ -86,12 +115,12 @@
       <itemizedlist>
        <listitem>
         <simpara>
-         PHP 7.0 - 7.3: 2.4 or later (including Bison 3.x)
+         PHP 7.4 and later: 3.0.0+
         </simpara>
        </listitem>
        <listitem>
         <simpara>
-         PHP 7.4: &gt; 3.0
+         PHP 7.3 and earlier: 2.4+ (including Bison 3.x)
         </simpara>
        </listitem>
       </itemizedlist>