Use appropriate default PIE settings for OpenBSD.
llvm-svn: 211624
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index cbc6f2d..1488dc6 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -2432,6 +2432,27 @@
}
}
+ // OpenBSD-specific defaults for PIE
+ if (getToolChain().getTriple().getOS() == llvm::Triple::OpenBSD) {
+ switch (getToolChain().getTriple().getArch()) {
+ case llvm::Triple::mips64:
+ case llvm::Triple::mips64el:
+ case llvm::Triple::sparc:
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ IsPICLevelTwo = false; // "-fpie"
+ break;
+
+ case llvm::Triple::ppc:
+ case llvm::Triple::sparcv9:
+ IsPICLevelTwo = true; // "-fPIE"
+ break;
+
+ default:
+ break;
+ }
+ }
+
// For the PIC and PIE flag options, this logic is different from the
// legacy logic in very old versions of GCC, as that logic was just
// a bug no one had ever fixed. This logic is both more rational and