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-rw-r--r--lib/Driver/ToolChains.cpp25
1 files changed, 15 insertions, 10 deletions
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 1684fa9424..1099b6513e 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -31,13 +31,20 @@ using namespace clang::driver::toolchains;
/// Darwin - Darwin tool chain for i386 and x86_64.
-Darwin::Darwin(const HostInfo &Host, const llvm::Triple& Triple,
- const unsigned (&_DarwinVersion)[3])
+Darwin::Darwin(const HostInfo &Host, const llvm::Triple& Triple)
: ToolChain(Host, Triple), TargetInitialized(false)
{
+ // Compute the initial Darwin version based on the host.
+ bool HadExtra;
+ std::string OSName = Triple.getOSName();
+ if (!Driver::GetReleaseVersion(&OSName[6],
+ DarwinVersion[0], DarwinVersion[1],
+ DarwinVersion[2], HadExtra))
+ getDriver().Diag(clang::diag::err_drv_invalid_darwin_version) << OSName;
+
llvm::raw_string_ostream(MacosxVersionMin)
- << "10." << std::max(0, (int)_DarwinVersion[0] - 4) << '.'
- << _DarwinVersion[1];
+ << "10." << std::max(0, (int)DarwinVersion[0] - 4) << '.'
+ << DarwinVersion[1];
}
types::ID Darwin::LookupTypeForExtension(const char *Ext) const {
@@ -113,9 +120,8 @@ llvm::StringRef Darwin::getDarwinArchName(const ArgList &Args) const {
}
}
-DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple,
- const unsigned (&DarwinVersion)[3])
- : Darwin(Host, Triple, DarwinVersion)
+DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple)
+ : Darwin(Host, Triple)
{
// We can only work with 4.2.1 currently.
GCCVersion[0] = 4;
@@ -326,9 +332,8 @@ void DarwinGCC::AddLinkRuntimeLibArgs(const ArgList &Args,
}
}
-DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple,
- const unsigned (&DarwinVersion)[3])
- : Darwin(Host, Triple, DarwinVersion)
+DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple)
+ : Darwin(Host, Triple)
{
// We expect 'as', 'ld', etc. to be adjacent to our install dir.
getProgramPaths().push_back(getDriver().getInstalledDir());