[patch] Patch to fix the issue

clang-3.1-gentoo-freebsd-fix-cxx-paths.patch (text/plain), 7.77 KB, created by Richard Yao (RETIRED) on 2012-05-26 01:22:02 UTC

diff --git a/a/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.cpp b/b/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.cpp
index 1e282f2..1d6835b 100644
--- a/a/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.cpp
+++ b/b/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.cpp
@@ -2305,6 +2305,161 @@ void Linux::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
   }
 }
 
+void FreeBSD::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                      ArgStringList &CC1Args) const {
+  const Driver &D = getDriver();
+
+  if (DriverArgs.hasArg(options::OPT_nostdinc))
+    return;
+
+  if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
+    addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
+
+  if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+    llvm::sys::Path P(D.ResourceDir);
+    P.appendComponent("include");
+    addSystemInclude(DriverArgs, CC1Args, P.str());
+  }
+
+  if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+    return;
+
+  // Check for configure-time C include directories.
+  StringRef CIncludeDirs(C_INCLUDE_DIRS);
+  if (CIncludeDirs != "") {
+    SmallVector<StringRef, 5> dirs;
+    CIncludeDirs.split(dirs, ":");
+    for (SmallVectorImpl<StringRef>::iterator I = dirs.begin(), E = dirs.end();
+         I != E; ++I) {
+      StringRef Prefix = llvm::sys::path::is_absolute(*I) ? D.SysRoot : "";
+      addExternCSystemInclude(DriverArgs, CC1Args, Prefix + *I);
+    }
+    return;
+  }
+
+  // Lacking those, try to detect the correct set of system includes for the
+  // target triple.
+
+  // Implement generic Debian multiarch support.
+  const StringRef X86_64MultiarchIncludeDirs[] = {
+    "/usr/include/x86_64-linux-gnu",
+
+    // FIXME: These are older forms of multiarch. It's not clear that they're
+    // in use in any released version of Debian, so we should consider
+    // removing them.
+    "/usr/include/i686-linux-gnu/64",
+    "/usr/include/i486-linux-gnu/64"
+  };
+  const StringRef X86MultiarchIncludeDirs[] = {
+    "/usr/include/i386-linux-gnu",
+
+    // FIXME: These are older forms of multiarch. It's not clear that they're
+    // in use in any released version of Debian, so we should consider
+    // removing them.
+    "/usr/include/x86_64-linux-gnu/32",
+    "/usr/include/i686-linux-gnu",
+    "/usr/include/i486-linux-gnu"
+  };
+  const StringRef ARMMultiarchIncludeDirs[] = {
+    "/usr/include/arm-linux-gnueabi"
+  };
+  const StringRef MIPSMultiarchIncludeDirs[] = {
+    "/usr/include/mips-linux-gnu"
+  };
+  const StringRef MIPSELMultiarchIncludeDirs[] = {
+    "/usr/include/mipsel-linux-gnu"
+  };
+  const StringRef PPCMultiarchIncludeDirs[] = {
+    "/usr/include/powerpc-linux-gnu"
+  };
+  const StringRef PPC64MultiarchIncludeDirs[] = {
+    "/usr/include/powerpc64-linux-gnu"
+  };
+  ArrayRef<StringRef> MultiarchIncludeDirs;
+  if (getTriple().getArch() == llvm::Triple::x86_64) {
+    MultiarchIncludeDirs = X86_64MultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::x86) {
+    MultiarchIncludeDirs = X86MultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::arm) {
+    MultiarchIncludeDirs = ARMMultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::mips) {
+    MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::mipsel) {
+    MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::ppc) {
+    MultiarchIncludeDirs = PPCMultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::ppc64) {
+    MultiarchIncludeDirs = PPC64MultiarchIncludeDirs;
+  }
+  for (ArrayRef<StringRef>::iterator I = MultiarchIncludeDirs.begin(),
+                                     E = MultiarchIncludeDirs.end();
+       I != E; ++I) {
+    if (llvm::sys::fs::exists(D.SysRoot + *I)) {
+      addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + *I);
+      break;
+    }
+  }
+
+  if (getTriple().getOS() == llvm::Triple::RTEMS)
+    return;
+
+  // Add an include of '/include' directly. This isn't provided by default by
+  // system GCCs, but is often used with cross-compiling GCCs, and harmless to
+  // add even when Clang is acting as-if it were a system compiler.
+  addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/include");
+
+  addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
+}
+
+/// \brief Helper to add the thre variant paths for a libstdc++ installation.
+/*static*/ bool FreeBSD::addLibStdCXXIncludePaths(Twine Base, Twine TargetArchDir,
+                                                const ArgList &DriverArgs,
+                                                ArgStringList &CC1Args) {
+  if (!llvm::sys::fs::exists(Base))
+    return false;
+  addSystemInclude(DriverArgs, CC1Args, Base);
+  addSystemInclude(DriverArgs, CC1Args, Base + "/" + TargetArchDir);
+  addSystemInclude(DriverArgs, CC1Args, Base + "/backward");
+  return true;
+}
+
+void FreeBSD::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+                                         ArgStringList &CC1Args) const {
+  if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
+      DriverArgs.hasArg(options::OPT_nostdincxx))
+    return;
+
+  // Check if libc++ has been enabled and provide its include paths if so.
+  if (GetCXXStdlibType(DriverArgs) == ToolChain::CST_Libcxx) {
+    // libc++ is always installed at a fixed path on Linux currently.
+    addSystemInclude(DriverArgs, CC1Args,
+                     getDriver().SysRoot + "/usr/include/c++/v1");
+    return;
+  }
+
+  // We need a detected GCC installation on Linux to provide libstdc++'s
+  // headers. We handled the libc++ case above.
+  if (!GCCInstallation.isValid())
+    return;
+
+  // By default, look for the C++ headers in an include directory adjacent to
+  // the lib directory of the GCC installation. Note that this is expect to be
+  // equivalent to '/usr/include/c++/X.Y' in almost all cases.
+  StringRef LibDir = GCCInstallation.getParentLibPath();
+  StringRef InstallDir = GCCInstallation.getInstallPath();
+  StringRef Version = GCCInstallation.getVersion();
+  if (!addLibStdCXXIncludePaths(LibDir + "/../include/c++/" + Version,
+                                (GCCInstallation.getTriple().str() +
+                                 GCCInstallation.getMultiarchSuffix()),
+                                DriverArgs, CC1Args)) {
+    // Gentoo is weird and places its headers inside the GCC install, so if the
+    // first attempt to find the headers fails, try this pattern.
+    addLibStdCXXIncludePaths(InstallDir + "/include/g++-v4",
+                             getDriver().DefaultTargetTriple,
+                             DriverArgs, CC1Args);
+  }
+}
+
 /// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
 
 DragonFly::DragonFly(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
diff --git a/a/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.h b/b/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.h
index eaa6be1..bba891e 100644
--- a/a/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.h
+++ b/b/llvm-3.1.src/tools/clang/lib/Driver/ToolChains.h
@@ -489,6 +489,16 @@ public:
 
   virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
                            const ActionList &Inputs) const;
+
+  virtual void AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                         ArgStringList &CC1Args) const;
+  virtual void AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+                                            ArgStringList &CC1Args) const;
+
+private:
+  static bool addLibStdCXXIncludePaths(Twine Base, Twine TargetArchDir,
+                                       const ArgList &DriverArgs,
+                                       ArgStringList &CC1Args);
 };
 
 class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {