a few misc fixes

Author: simonbyrne

README.md

@@ -2,7 +2,7 @@
 
 [![Docs latest](https://img.shields.io/badge/docs-latest-blue.svg)](https://juliaparallel.github.io/MPI.jl/latest/)
 [![Docs stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://juliaparallel.github.io/MPI.jl/stable/)
-[![Build Status](https://travis-ci.org/JuliaParallel/MPI.jl.svg?branch=master)](https://travis-ci.org/JuliaParallel/MPI.jl)
+[![Build Status](https://travis-ci.com/JuliaParallel/MPI.jl.svg?branch=master)](https://travis-ci.com/JuliaParallel/MPI.jl)
 [![Build status](https://ci.appveyor.com/api/projects/status/e8mr8rx8sjryyba6/branch/master?svg=true)](https://ci.appveyor.com/project/eschnett/mpi-jl/branch/master)
 [![Build status](https://gitlab.com/JuliaGPU/MPI.jl/badges/master/pipeline.svg)](https://gitlab.com/JuliaGPU/MPI.jl/pipelines)
 [![codecov.io](https://codecov.io/github/JuliaParallel/MPI.jl/coverage.svg?branch=master)](https://codecov.io/github/JuliaParallel/MPI.jl?branch=master)

deps/build.jl

@@ -80,7 +80,7 @@ if binary == "system"
 
     _doc_external(fname) = ""
     include(joinpath("..","src","implementations.jl"))
-    
+
     if abi === ""
         # 3. check ABI
         impl, version = identify_implementation()
@@ -95,6 +95,9 @@ if binary == "system"
         else
             abi = "unknown"
         end
+        @info "MPI implementation detected" impl version abi
+    else
+        @info "MPI implementation config" abi
     end
     if abi == "MPICH"
         abi_incl = :(include("consts_mpich.jl"))
@@ -136,9 +139,13 @@ elseif binary == ""
     deps = quote
         if Sys.iswindows()
             using MicrosoftMPI_jll
+            const mpiexec = MicrosoftMPI_jll.mpiexec
+            const mpiexec_path = MicrosoftMPI_jll.mpiexec_path
             include("consts_microsoftmpi.jl")
         else
             using MPICH_jll
+            const mpiexec = MPICH_jll.mpiexec
+            const mpiexec_path = MPICH_jll.mpiexec_path
             include("consts_mpich.jl")
         end
 
@@ -157,13 +164,17 @@ elseif binary ==  "MPICH_jll"
     deps = quote
         using MPICH_jll
         include("consts_mpich.jl")
+        const mpiexec = MPICH_jll.mpiexec
+        const mpiexec_path = MPICH_jll.mpiexec_path
         __init__deps() = nothing
     end
 elseif binary ==  "OpenMPI_jll"
     @info "using OpenMPI_jll"
     deps = quote
         using OpenMPI_jll
         include("consts_openmpi.jl")
+        const mpiexec = OpenMPI_jll.mpiexec
+        const mpiexec_path = OpenMPI_jll.mpiexec_path
 
         function __init__deps()
             # Required for OpenMPI relocateable binaries
@@ -177,6 +188,9 @@ elseif binary ==  "MicrosoftMPI_jll"
     deps = quote
         using MicrosoftMPI_jll
         include("consts_microsoftmpi.jl")
+        const mpiexec = MicrosoftMPI_jll.mpiexec
+        const mpiexec_path = MicrosoftMPI_jll.mpiexec_path
+
         __init__deps() = nothing
     end
 else

test/runtests.jl

@@ -8,20 +8,8 @@ end
 
 args = Base.shell_split(get(ENV, "JULIA_MPIEXEC_TEST_ARGS", ""))
 
-
-# Code coverage command line options; must correspond to src/julia.h
-# and src/ui/repl.c
-const JL_LOG_NONE = 0
-const JL_LOG_USER = 1
-const JL_LOG_ALL = 2
-const coverage_opts =
-    Dict{Int, String}(JL_LOG_NONE => "none",
-                      JL_LOG_USER => "user",
-                      JL_LOG_ALL => "all")
-
 function runtests()
     nprocs = clamp(Sys.CPU_THREADS, 2, 4)
-    exename = joinpath(Sys.BINDIR, Base.julia_exename())
     testdir = dirname(@__FILE__)
     istest(f) = endswith(f, ".jl") && startswith(f, "test_")
     testfiles = sort(filter(istest, readdir(testdir)))
@@ -30,17 +18,16 @@ function runtests()
     printstyled("Running MPI.jl tests\n"; color=:white)
 
     for f in testfiles
-        coverage_opt = coverage_opts[Base.JLOptions().code_coverage]
         mpiexec() do cmd
             cmd = `$cmd $args`
             if f == "test_spawn.jl"
-                run(`$cmd -n 1 $exename --code-coverage=$coverage_opt $(joinpath(testdir, f))`)
+                run(`$cmd -n 1 $(Base.julia_cmd()) $(joinpath(testdir, f))`)
             elseif f == "test_threads.jl"
                 withenv("JULIA_NUM_THREAD" => "4") do
-                    run(`$cmd -n $nprocs $exename --code-coverage=$coverage_opt $(joinpath(testdir, f))`)
+                    run(`$cmd -n $nprocs $(Base.julia_cmd()) $(joinpath(testdir, f))`)
                 end
             else
-                run(`$cmd -n $nprocs $exename --code-coverage=$coverage_opt $(joinpath(testdir, f))`)
+                run(`$cmd -n $nprocs $(Base.julia_cmd()) $(joinpath(testdir, f))`)
             end
         end
         Base.with_output_color(:green,stdout) do io