build.jl: check environment variable first

- otherwise, if system-wide installation exists, can not point it to another installation which is useful for testing (debug mode build)
scipopt · Dec 17, 2018 · c1c5f8d · c1c5f8d
1 parent dd9bea0
commit c1c5f8d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/deps/build.jl b/deps/build.jl
@@ -13,14 +13,18 @@ function write_depsfile(path)
 end
 
 libname = "libscip.so"
-paths_to_try = [libname]
+paths_to_try = []
 
+# prefer environment variable
 if haskey(ENV, "SCIPOPTDIR")
  if Compat.Sys.isunix()
  push!(paths_to_try, joinpath(ENV["SCIPOPTDIR"], "lib", libname))
  end
 end
 
+# but also try library path
+push!(paths_to_try, libname)
+
 found = false
 for l in paths_to_try
  d = Libdl.dlopen_e(l)