fix warning printing in LinearAlgebra

Author: JeffBezanson

stdlib/LinearAlgebra/src/blas.jl

@@ -159,7 +159,7 @@ function check()
     interface = USE_BLAS64 ? :ilp64 : :lp64
     if !any(lib.interface == interface for lib in config.loaded_libs)
         interfacestr = uppercase(string(interface))
-        @error("No loaded BLAS libraries were built with $interfacestr support.")
+        println(Core.stderr, "No loaded BLAS libraries were built with $interfacestr support.")
         exit(1)
     end
 end

stdlib/LinearAlgebra/src/lbt.jl

@@ -17,7 +17,7 @@ end
 macro get_warn(map, key)
     return quote
         if !haskey($(esc(map)), $(esc(key)))
-            #@warn(string("[LBT] Unknown key into ", $(string(map)), ": ", $(esc(key)), ", defaulting to :unknown"))
+            println(Core.stderr, string("Warning: [LBT] Unknown key into ", $(string(map)), ": ", $(esc(key)), ", defaulting to :unknown"))
             # All the unknown values share a common value: `-1`
             $(esc(map))[$(esc(LBT_INTERFACE_UNKNOWN))]
         else
@@ -132,7 +132,7 @@ struct LBTConfig
             if str_ptr != C_NULL
                 push!(exported_symbols, unsafe_string(str_ptr))
             else
-                error("NULL string in lbt_config.exported_symbols[$(sym_idx)]")
+                println(Core.stderr, "Error: NULL string in lbt_config.exported_symbols[$(sym_idx)]")
             end
         end
 

test/trimming/buildscript.jl

@@ -211,12 +211,6 @@ end
 # Additional method patches depending on whether user code loads certain stdlibs
 
 let loaded = Symbol.(Base.loaded_modules_array())  # TODO better way to do this
-    if :LinearAlgebra in loaded
-        using LinearAlgebra
-        @eval LinearAlgebra.BLAS begin
-            check() = nothing #TODO: this might be unsafe but needs logging macro fixes
-        end
-    end
     if :SparseArrays in loaded
         using SparseArrays
         @eval SparseArrays.CHOLMOD begin