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added warning in case of unset JULIA_COPY_STACKS variable #103

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Merged
aviks merged 2 commits into from
Feb 12, 2020
Merged

added warning in case of unset JULIA_COPY_STACKS variable #103

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8e44009
added warning in case of unset JULIA_COPY_STACKS variable
ExpandingMan Feb 10, 2020
df1e9d4
added version check
ExpandingMan Feb 10, 2020
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "JavaCall"
uuid = "494afd89-becb-516b-aafa-70d2670c0337"
version = "0.7.2"
version = "0.7.3"

[deps]
DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
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3 changes: 0 additions & 3 deletions REQUIRE
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4 changes: 4 additions & 0 deletions src/jvm.jl
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Expand Up @@ -152,6 +152,10 @@ end
addOpts(s::String) = isloaded() ? @warn("JVM already initialised. This call has no effect") : push!(opts, s)

function init()
if VERSION ≥ v"1.3" && get(ENV, "JULIA_COPY_STACKS", "") ∉ ("1", "yes")
@warn("JavaCall needs the environment variable `JULIA_COPY_STACKS` to be `1` or `yes`. "*
"Calling the JVM may result in undefined behavior.")
end
if isempty(cp)
init(opts)
else
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