If BARON executable is not located, we now defer crashing until you t…

…ry to actually solve a model. Previously, it crashed when loading the package; you now get a warning instead.
jump-dev · Jun 8, 2020 · 373a2eb · 373a2eb · joehuchette · Jun 8, 2020
1 parent 1ff662e
commit 373a2eb
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/src/BARON.jl b/src/BARON.jl
@@ -1,10 +1,12 @@
 module BARON
 
-try
+const IS_SOLVER_SET = try
     include(joinpath(@__DIR__, "..", "deps", "path.jl"))
+    true
 catch
-    error("""BARON.jl was not built correctly.
+    @warn("""BARON.jl was not built correctly.
              Set the environment variable `BARON_EXEC` and run `using Pkg; Pkg.build("BARON")`.""")
+    false
 end
 
 mutable struct VariableInfo

diff --git a/src/MOI_wrapper.jl b/src/MOI_wrapper.jl
@@ -48,6 +48,10 @@ end
 
 # optimize
 function MOI.optimize!(model::Optimizer)
+    if !IS_SOLVER_SET
+        error(("""BARON.jl was not built correctly.
+                 Set the environment variable `BARON_EXEC` and run `using Pkg; Pkg.build("BARON")`."""))
+    end
     write_bar_file(model.inner)
     run(`$baron_exec $(model.inner.problem_file_name)`)
     read_results(model.inner)