[COMMITTED 31/42] ada: Add GNAT LLVM selection in GPR project file.

[Marc Poulhiès]

From: Artur Pietrek <piet...@adacore.com>

gcc/ada/ChangeLog:

        * doc/gnat_ugn/building_executable_programs_with_gnat.rst: add
        GNAT LLVM explicit selection in GPR file
        * gnat_ugn.texi: Regenerate.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 .../doc/gnat_ugn/building_executable_programs_with_gnat.rst    | 3 +++
 gcc/ada/gnat_ugn.texi                                          | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/gcc/ada/doc/gnat_ugn/building_executable_programs_with_gnat.rst 
b/gcc/ada/doc/gnat_ugn/building_executable_programs_with_gnat.rst
index b99eba7537c..fdf19481a6f 100644
--- a/gcc/ada/doc/gnat_ugn/building_executable_programs_with_gnat.rst
+++ b/gcc/ada/doc/gnat_ugn/building_executable_programs_with_gnat.rst
@@ -8128,6 +8128,9 @@ We provide two options that you can use to build code 
with GNAT LLVM:
   which version of GNAT built that file because it contains either
   :code:`GNAT` or :code:`GNAT-LLVM`.
 
+  You can also explicitly select GNAT LLVM in your existing GPR project
+  file by adding :code:`for Toolchain_Name("Ada") use "GNAT_LLVM";`
+
 .. only:: PRO
 
     If your project uses one of the libraries packaged with the GCC
diff --git a/gcc/ada/gnat_ugn.texi b/gcc/ada/gnat_ugn.texi
index c706d8b555f..6cd0bed8d67 100644
--- a/gcc/ada/gnat_ugn.texi
+++ b/gcc/ada/gnat_ugn.texi
@@ -17664,6 +17664,9 @@ file with @code{gprconfig} and using it with 
@code{gprbuild}; see the
 can determine from the first line of the @code{.ali} file
 which version of GNAT built that file because it contains either
 @code{GNAT} or @code{GNAT-LLVM}.
+
+You can also explicitly select GNAT LLVM in your existing GPR project
+file by adding @code{for Toolchain_Name("Ada") use "GNAT_LLVM";}
 @end itemize
 
 
-- 
2.43.0