apt: Fix building if perl has already been built

[termux-packages] / disabled-packages / llvm / tools-clang-lib-Driver-Tools.cpp.patch

diff -u -r ../llvm-3.9.0.src/tools/clang/lib/Driver/Tools.cpp ./tools/clang/lib/Driver/Tools.cpp
--- ../llvm-3.9.0.src/tools/clang/lib/Driver/Tools.cpp	2016-08-13 16:43:56.000000000 -0400
+++ ./tools/clang/lib/Driver/Tools.cpp	2016-09-04 06:15:59.703422745 -0400
@@ -9357,9 +9357,12 @@
   const llvm::Triple::ArchType Arch = ToolChain.getArch();
   const bool isAndroid = ToolChain.getTriple().isAndroid();
   const bool IsIAMCU = ToolChain.getTriple().isOSIAMCU();
+  // Termux modification: Enable pie by default for Android and support the
+  // nopie flag.
   const bool IsPIE =
       !Args.hasArg(options::OPT_shared) && !Args.hasArg(options::OPT_static) &&
-      (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault());
+      (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault() || isAndroid) &&
+      !Args.hasArg(options::OPT_nopie);
   const bool HasCRTBeginEndFiles =
       ToolChain.getTriple().hasEnvironment() ||
       (ToolChain.getTriple().getVendor() != llvm::Triple::MipsTechnologies);