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blob 1eb6a4f1f1f98be34afb98d283bba8ca56502870 691 bytes (raw)
name: gnu/packages/patches/julia-Allow-parallel-build.patch 	 # note: path name is non-authoritative(*)

diff --git a/test/runtests.jl b/test/runtests.jl
index 2f9cd058bb..d8d6d15b8c 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -83,8 +83,11 @@ prepend!(tests, linalg_tests)
 import LinearAlgebra
 cd(@__DIR__) do
     n = 1
-    if net_on
-        n = min(Sys.CPU_THREADS, length(tests))
+    # Allow parallel tests with isolated environment
+    # https://github.com/JuliaLang/julia/issues/43205
+    if net_on || haskey(ENV, "JULIA_CPU_THREADS")
+        x = haskey(ENV, "JULIA_CPU_THREADS") ? parse(Int, ENV["JULIA_CPU_THREADS"]) : Sys.CPU_THREADS
+        n = min(x, length(tests))
         n > 1 && addprocs_with_testenv(n)
         LinearAlgebra.BLAS.set_num_threads(1)
     end

debug log:

solving 1eb6a4f1f1 ...
found 1eb6a4f1f1 in https://yhetil.org/guix-patches/20211124142031.64364-1-zimon.toutoune@gmail.com/

applying [1/1] https://yhetil.org/guix-patches/20211124142031.64364-1-zimon.toutoune@gmail.com/
diff --git a/gnu/packages/patches/julia-Allow-parallel-build.patch b/gnu/packages/patches/julia-Allow-parallel-build.patch
new file mode 100644
index 0000000000..1eb6a4f1f1

Checking patch gnu/packages/patches/julia-Allow-parallel-build.patch...
Applied patch gnu/packages/patches/julia-Allow-parallel-build.patch cleanly.

index at:
100644 1eb6a4f1f1f98be34afb98d283bba8ca56502870	gnu/packages/patches/julia-Allow-parallel-build.patch

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    Blobs themselves have no identifier aside from the hash of its contents.^

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