> When configuring I used
>
> --enable-threads=gnat
>
> but when the build errors off I'm told "gnat is an unknown thread
> package".
Maybe the following documentation patch should be applied:
--- configure.html.orig 2005-05-28 22:49:32.466872948 +0200
+++ configure.html 2005-05-28 22:50:56.666117558 +0200
@@ -473,11 +473,6 @@ like C++ and Java. The possibilities fo
<dl>
<dt><code>aix</code><dd>AIX thread support.
<br><dt><code>dce</code><dd>DCE thread support.
-<br><dt><code>gnat</code><dd>Ada tasking support. For non-Ada programs, this setting is equivalent
-to `<samp><span class="samp">single</span></samp>'. When used in conjunction with the Ada run time, it
-causes GCC to use the same thread primitives as Ada uses. This option
-is necessary when using both Ada and the back end exception handling,
-which is the default for most Ada targets.
<br><dt><code>mach</code><dd>Generic MACH thread support, known to work on NeXTSTEP. (Please note
that the file needed to support this configuration, <samp><span class="file">gthr-mach.h</span></samp>, is
missing and thus this setting will cause a known bootstrap failure.)
@@ -582,7 +577,6 @@ their runtime libraries should be built.
<p>Currently, you can use any of the following:
<code>all</code>, <code>ada</code>, <code>c</code>, <code>c++</code>, <code>f95</code>, <code>java</code>,
<code>objc</code>, <code>obj-c++</code>, <code>treelang</code>.
-Building the Ada compiler has special requirements, see below.
If you do not pass this flag, or specify the option <code>all</code>, then all
default languages available in the <samp><span class="file">gcc</span></samp> sub-tree will be configured.
Ada, Objective-C++, and treelang are not default languages; the rest are.
