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Driver/Darwin: Tweak link logic for simulator. 

llvm-svn: 128641
This commit is contained in:
Daniel Dunbar 2011-03-31 17:12:33 +00:00
parent 22c5560bc8
commit ebc34dff18
2 changed files with 14 additions and 1 deletions
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10
clang/lib/Driver/ToolChains.h
View File

@ -103,6 +103,16 @@ public:
return TargetIsIPhoneOS;
}
bool isTargetIOSSimulator() const {
// In GCC, the simulator historically was treated as being OS X in some
// contexts, like determining the link logic, despite generally being called
// with an iOS deployment target. For compatibility, we detect the
// simulator is iOS + x86, and treat it differently in a few contexts.
return isTargetIPhoneOS() &&
(getTriple().getArch() == llvm::Triple::x86 ||
getTriple().getArch() == llvm::Triple::x86_64);
}
bool isTargetInitialized() const { return TargetInitialized; }
void getTargetVersion(unsigned (&Res)[3]) const {

5
clang/lib/Driver/Tools.cpp
View File

@ -2885,7 +2885,10 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-lcrt0.o");
} else {
// Derived from darwin_crt1 spec.
if (getDarwinToolChain().isTargetIPhoneOS()) {
if (getDarwinToolChain().isTargetIOSSimulator()) {
// The simulator doesn't have a versioned crt1 file.
CmdArgs.push_back("-lcrt1.o");
} else if (getDarwinToolChain().isTargetIPhoneOS()) {
if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
CmdArgs.push_back("-lcrt1.o");
else