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Default to PIC on OS X.

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driver/target.h is due for a refactoring after the next
release is branched off.
This commit is contained in:
David Nadlinger
2013-05-19 21:04:26 +02:00
parent 4597423dc5
commit edbace8ae8
2 changed files with 8 additions and 1 deletions
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2
driver/main.cpp
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@@ -547,7 +547,7 @@ int main(int argc, char** argv)
VersionCondition::addPredefinedGlobalIdent("D_LP64");
}
if (mRelocModel == llvm::Reloc::PIC_) {
if (gTargetMachine->getRelocationModel() == llvm::Reloc::PIC_) {
VersionCondition::addPredefinedGlobalIdent("D_PIC");
}

7
driver/target.cpp
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@@ -175,6 +175,13 @@ llvm::TargetMachine* createTargetMachine(
FeaturesStr = Features.getString();
}
if (triple.isMacOSX() && relocModel == llvm::Reloc::Default)
{
// OS X defaults to PIC (and as of 10.7.5/LLVM 3.1-3.3, TLS use leads
// to crashes for non-PIC code). LLVM doesn't handle this.
relocModel = llvm::Reloc::PIC_;
}
#if LDC_LLVM_VER == 300
llvm::NoFramePointerElim = genDebugInfo;