From bb764e94ce98c01924879288bd14e76e7c913128 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Thu, 17 Aug 2006 17:25:43 +0000
Subject: Produce a clean failure in configure when dtrace is selected but
 cannot be found.  Besides stopping those early who have no dtrace installed
 whatsoever, this will also alert those who have dtrace in /usr/sbin, which
 might not be in the path, which would produce confusing failures much later
 in the build process.

Add documentation about pointing configure to find dtrace.
---
 doc/src/sgml/installation.sgml | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

(limited to 'doc/src')

diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index e7ed9b4d5ca..0769901f248 100644
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.259 2006/07/24 16:32:44 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.260 2006/08/17 17:25:43 petere Exp $ -->
 
 <chapter id="installation">
  <title><![%standalone-include[<productname>PostgreSQL</>]]>
@@ -1011,10 +1011,24 @@ su - postgres
        <term><option>--enable-dtrace</option></term>
        <listitem>
         <para>
+         <indexterm>
+          <primary>DTrace</primary>
+         </indexterm>
          Compiles with support for the dynamic tracing tool DTrace.
          Operating system support for DTrace is currently only
          available in Solaris.
         </para>
+
+        <para>
+         To point to the <command>dtrace</command> program, the
+         environment variable <envar>DTRACE</envar> can be set.  This
+         will often be necessary because <command>dtrace</command> is
+         typically installed under <filename>/usr/sbin</filename>,
+         which might not be in the path.  Additional command-line
+         options for the <command>dtrace</command> program can be
+         specified in the environment variable
+         <envar>DTRACEFLAGS</envar>.
+        </para>
        </listitem>
       </varlistentry>
 
@@ -1113,6 +1127,25 @@ su - postgres
        </listitem>
       </varlistentry>
 
+      <varlistentry>
+       <term><option>DTRACE=<replaceable>/path/to/dtrace</></option></term>
+       <listitem>
+        <para>
+         Specifies the location of the <command>dtrace</command> program.
+        </para>
+       </listitem>
+      </varlistentry>
+
+      <varlistentry>
+       <term><option>DTRACEFLAGS=<replaceable>FLAGS</></option></term>
+       <listitem>
+        <para>
+         <replaceable>FLAGS</> is the a list of flags to pass to the
+         <command>dtrace</command> program.
+        </para>
+       </listitem>
+      </varlistentry>
+
       <varlistentry>
        <term><option>JADE</option></term>
        <listitem>
-- 
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