From 7f7052059120c23505472ff69cfe39db08d377a1 Mon Sep 17 00:00:00 2001
From: Marcos Bento <Marcos.Bento@ecmwf.int>
Date: Wed, 28 Jan 2026 15:19:38 +0000
Subject: [PATCH] Deprecate ecbuild_find_(mpi|omp).cmake macros

---
 cmake/ecbuild_find_mpi.cmake | 12 ++++++++++++
 cmake/ecbuild_find_omp.cmake | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/cmake/ecbuild_find_mpi.cmake b/cmake/ecbuild_find_mpi.cmake
index 9c77d54c..46b8f40b 100644
--- a/cmake/ecbuild_find_mpi.cmake
+++ b/cmake/ecbuild_find_mpi.cmake
@@ -12,6 +12,8 @@
 # ecbuild_find_mpi
 # ================
 #
+# DEPRECATED: This macro is deprecated. Please use FindMPI directly.
+#
 # Find MPI and check if MPI compilers successfully compile C/C++/Fortran. ::
 #
 #   ecbuild_find_mpi( [ COMPONENTS <component1> [ <component2> ... ] ]
@@ -72,6 +74,8 @@
 
 macro( ecbuild_find_mpi )
 
+    ecbuild_deprecate("ecbuild_find_mpi is deprecated. Please use FindMPI directly.")
+
     # parse parameters
 
     set( options REQUIRED )
@@ -149,6 +153,8 @@ endmacro( ecbuild_find_mpi )
 # ecbuild_enable_mpi
 # ==================
 #
+# DEPRECATED: This macro is deprecated. Please use FindMPI directly.
+#
 # Find MPI, add include directories and set compiler flags. ::
 #
 #   ecbuild_enable_mpi( [ COMPONENTS <component1> [ <component2> ... ] ]
@@ -172,6 +178,8 @@ endmacro( ecbuild_find_mpi )
 
 macro( ecbuild_enable_mpi )
 
+    ecbuild_deprecate("ecbuild_enable_mpi is deprecated. Please use FindMPI directly.")
+
     set( options REQUIRED )
     set( single_value_args )
     set( multi_value_args COMPONENTS )
@@ -216,6 +224,8 @@ endmacro( ecbuild_enable_mpi )
 # ecbuild_include_mpi
 # ===================
 #
+# DEPRECATED: This macro is deprecated. Please use FindMPI directly.
+#
 # Add MPI include directories and set compiler flags, assuming MPI was found.
 #
 # For each MPI language binding found, set corresponding compiler flags and
@@ -225,6 +235,8 @@ endmacro( ecbuild_enable_mpi )
 
 macro( ecbuild_include_mpi )
 
+    ecbuild_deprecate("ecbuild_include_mpi is deprecated. Please use FindMPI directly.")
+
     set( options )
     set( single_value_args )
     set( multi_value_args )
diff --git a/cmake/ecbuild_find_omp.cmake b/cmake/ecbuild_find_omp.cmake
index 4015b6ff..6492d72b 100644
--- a/cmake/ecbuild_find_omp.cmake
+++ b/cmake/ecbuild_find_omp.cmake
@@ -79,6 +79,8 @@ endmacro()
 # ecbuild_find_omp
 # ================
 #
+# DEPRECATED: This macro is deprecated. Please use FindOpenMP directly.
+#
 # Find OpenMP. ::
 #
 #   ecbuild_find_omp( [ COMPONENTS <component1> [ <component2> ... ] ]
@@ -116,6 +118,8 @@ endmacro()
 
 macro( ecbuild_find_omp )
 
+  ecbuild_deprecate("ecbuild_find_omp is deprecated. Please use FindOpenMP directly.")
+
   set( options REQUIRED STUBS )
   set( single_value_args )
   set( multi_value_args COMPONENTS )
@@ -200,6 +204,8 @@ endmacro( ecbuild_find_omp )
 # ecbuild_enable_omp
 # ==================
 #
+# DEPRECATED: This macro is deprecated. Please use FindOpenMP directly.
+#
 # Find OpenMP for C, C++ and Fortran and set the compiler flags for each
 # language for which OpenMP support was detected.
 #
@@ -207,6 +213,8 @@ endmacro( ecbuild_find_omp )
 
 macro( ecbuild_enable_omp )
 
+  ecbuild_deprecate("ecbuild_enable_omp is deprecated. Please use FindOpenMP directly.")
+
   ecbuild_debug("ecbuild_enable_omp: Trying to enable OpenMP")
   ecbuild_find_omp( COMPONENTS C CXX Fortran )
 
@@ -236,6 +244,8 @@ endmacro( ecbuild_enable_omp )
 # ecbuild_enable_ompstubs
 # =======================
 #
+# DEPRECATED: This macro is deprecated. Please use FindOpenMP directly.
+#
 # Find OpenMP stubs for C, C++ and Fortran and set the compiler flags for each
 # language for which OpenMP stubs were detected.
 #
@@ -243,6 +253,8 @@ endmacro( ecbuild_enable_omp )
 
 macro( ecbuild_enable_ompstubs )
 
+  ecbuild_deprecate("ecbuild_enable_ompstubs is deprecated. Please use FindOpenMP directly.")
+
   ecbuild_find_omp( COMPONENTS C CXX Fortran STUBS )
 
   if( OMPSTUBS_C_FOUND )