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Fix linking issue in cpp codegen

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Declare the root symbol only once and have the other modules depending
on it emit an `extern` declaration.

Fixes #9013
This commit is contained in:
LemonBoy 2018-09-19 12:46:50 +02:00
commit 334032294f
2 changed files with 14 additions and 1 deletions
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6
lib/system/hti.nim
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@ -103,6 +103,10 @@ type
PNimType = ptr TNimType
when defined(nimTypeNames):
var nimTypeRoot {.compilerProc.}: PNimType
# Declare this variable only once in system.nim
when declared(ThisIsSystem):
var nimTypeRoot {.compilerProc.}: PNimType
else:
var nimTypeRoot {.importc.}: PNimType
# node.len may be the ``first`` element of a set