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C++ codegen: emit 'extern C' for importc'ed functions that we declare a prototype for

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This commit is contained in:
Araq 2017-02-14 14:39:53 +01:00
commit 57874ed9b8
2 changed files with 9 additions and 6 deletions
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4
compiler/ccgthreadvars.nim
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@ -57,8 +57,8 @@ proc generateThreadLocalStorage(m: BModule) =
proc generateThreadVarsSize(m: BModule) =
if nimtv != nil:
let externc = if gCmd != cmdCompileToCpp and
sfCompileToCpp in m.module.flags: "extern \"C\""
let externc = if gCmd == cmdCompileToCpp or
sfCompileToCpp in m.module.flags: "extern \"C\" "
else: ""
addf(m.s[cfsProcs],
"$#NI NimThreadVarsSize(){return (NI)sizeof(NimThreadVars);}$n",