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diff -u -r ../llvm-5.0.0.src/tools/clang/lib/Driver/ToolChains/Gnu.cpp ./tools/clang/lib/Driver/ToolChains/Gnu.cpp
--- ../llvm-5.0.0.src/tools/clang/lib/Driver/ToolChains/Gnu.cpp 2017-08-11 03:47:32.000000000 +0200
+++ ./tools/clang/lib/Driver/ToolChains/Gnu.cpp 2017-09-10 20:14:54.636653647 +0200
@@ -152,14 +152,11 @@
}
}
- const std::string &customGCCName = D.getCCCGenericGCCName();
- const char *GCCName;
- if (!customGCCName.empty())
- GCCName = customGCCName.c_str();
- else if (D.CCCIsCXX()) {
- GCCName = "g++";
- } else
- GCCName = "gcc";
+ // Termux modification: Disable calling into gcc from clang.
+ // Clang calls into gcc if it tries to compile a language it doesn't understand.
+ // On Termux gcc is a symlink to clang, so this leads into fork loop until
+ // the whole system runs out of memory.
+ const char *GCCName = "false";
const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
@@ -415,9 +412,12 @@
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);