* doc/install.texi (--enable-threads): Document "gnat" option.

From-SVN: r66291

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eb02424f853dc1abb7815c6123a3cc7c2a7f212a..a354bc693792a290c2e6f3e1913a12a8f1f83f08 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * doc/install.texi (--enable-threads): Document "gnat" option.
+
 2003-04-30  Gabriel Dos Reis <gdr@integrable-solutions.net>
 
        * diagnostic.h (output_formatted_scalar): Tweak.

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index e59bc6639f89a8c2f821db22d92ba953e5e75250..991e90bad2be20e0e75198082f5932b0656d3595 100644 (file)
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -690,6 +690,12 @@ like C++ and Java.  The possibilities for @var{lib} are:
 AIX thread support.
 @item dce
 DCE thread support.
+@item gnat
+Ada tasking support.  For non-Ada programs, this setting is equivalent
+to @samp{single}. 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.
 @item mach
 Generic MACH thread support, known to work on NeXTSTEP@.  (Please note
 that the file needed to support this configuration, @file{gthr-mach.h}, is