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-rw-r--r--lib/Driver/Driver.cpp2
-rw-r--r--lib/Driver/ToolChain.cpp15
2 files changed, 16 insertions, 1 deletions
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 0c1641007a..7d63bf4ae6 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -806,7 +806,7 @@ void Driver::BuildUniversalActions(const ToolChain &TC,
// When there is no explicit arch for this platform, make sure we still bind
// the architecture (to the default) so that -Xarch_ is handled correctly.
if (!Archs.size())
- Archs.push_back(Args.MakeArgString(TC.getArchName()));
+ Archs.push_back(Args.MakeArgString(TC.getDefaultUniversalArchName()));
// FIXME: We killed off some others but these aren't yet detected in a
// functional manner. If we added information to jobs about which "auxiliary"
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 9dcdafc872..de8ed1d1c5 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -33,6 +33,21 @@ const Driver &ToolChain::getDriver() const {
return D;
}
+std::string ToolChain::getDefaultUniversalArchName() const {
+ // In universal driver terms, the arch name accepted by -arch isn't exactly
+ // the same as the ones that appear in the triple. Roughly speaking, this is
+ // an inverse of the darwin::getArchTypeForDarwinArchName() function, but the
+ // only interesting special case is powerpc.
+ switch (Triple.getArch()) {
+ case llvm::Triple::ppc:
+ return "ppc";
+ case llvm::Triple::ppc64:
+ return "ppc64";
+ default:
+ return Triple.getArchName();
+ }
+}
+
bool ToolChain::IsUnwindTablesDefault() const {
return false;
}