From 0c6cf0701e32aacca154f4744838dd3c88ffb1d9 Mon Sep 17 00:00:00 2001
From: Aayush Sabharwal <aayush.sabharwal@gmail.com>
Date: Thu, 24 Jul 2025 19:30:37 +0530
Subject: [PATCH] fix: fix `@mtkbuild` not working when `@mtkcompile` is not
 imported

---
 src/deprecations.jl | 3 ++-
 test/odesystem.jl   | 9 +++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/deprecations.jl b/src/deprecations.jl
index 6e8ea23b1c..d5e044801a 100644
--- a/src/deprecations.jl
+++ b/src/deprecations.jl
@@ -5,7 +5,8 @@
 macro mtkbuild(exprs...)
     return quote
         Base.depwarn("`@mtkbuild` is deprecated. Use `@mtkcompile` instead.", :mtkbuild)
-        @mtkcompile $(exprs...)
+        $(Expr(:macrocall, var"@mtkcompile",
+            LineNumberNode(@__LINE__, @__FILE__), exprs...))
     end |> esc
 end
 
diff --git a/test/odesystem.jl b/test/odesystem.jl
index 2e3bca34e2..438e5e7c10 100644
--- a/test/odesystem.jl
+++ b/test/odesystem.jl
@@ -1615,3 +1615,12 @@ end
     @test_nowarn push!(arr, sys)
     @test_nowarn TestWrapper(sys)
 end
+
+# ensure `@mtkbuild` works when `@mtkcompile` is not imported
+module MtkbuildTestModule
+import ModelingToolkit: @variables, System, t_nounits as t, D_nounits as D, @mtkbuild
+import Test: @test
+@variables x(t)
+@mtkbuild sys = System(D(x) ~ t, t)
+@test sys isa System
+end