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-rw-r--r--include/clang/Driver/ToolChain.h7
-rw-r--r--lib/Driver/ToolChain.cpp7
-rw-r--r--lib/Driver/Tools.cpp23
3 files changed, 26 insertions, 11 deletions
diff --git a/include/clang/Driver/ToolChain.h b/include/clang/Driver/ToolChain.h
index b05869693b..5d82fd927c 100644
--- a/include/clang/Driver/ToolChain.h
+++ b/include/clang/Driver/ToolChain.h
@@ -195,6 +195,13 @@ public:
/// FIXME: this really belongs on some sort of DeploymentTarget abstraction
virtual bool hasBlocksRuntime() const { return true; }
+ /// \brief Add the clang cc1 arguments for system include paths.
+ ///
+ /// This routine is responsible for adding the necessary cc1 arguments to
+ /// include headers from standard system header directories.
+ virtual void AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+
// GetCXXStdlibType - Determine the C++ standard library type to use with the
// given compilation arguments.
virtual CXXStdlibType GetCXXStdlibType(const ArgList &Args) const;
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index d09ab16814..88c39564ee 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -211,6 +211,11 @@ std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
return ComputeLLVMTriple(Args, InputType);
}
+void ToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ // Each toolchain should provide the appropriate include flags.
+}
+
ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
StringRef Value = A->getValue(Args);
@@ -230,7 +235,7 @@ void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &Args,
bool ObjCXXAutoRefCount) const {
CXXStdlibType Type = GetCXXStdlibType(Args);
- // Header search paths are handled by the mass of goop in InitHeaderSearch.
+ // Header search paths are handled by each of the subclasses.
switch (Type) {
case ToolChain::CST_Libcxx:
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 4811b03979..98c2d28a9c 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -364,16 +364,6 @@ void Clang::AddPreprocessingOptions(const Driver &D,
Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F,
options::OPT_index_header_map);
- // Add C++ include arguments, if needed.
- types::ID InputType = Inputs[0].getType();
- if (types::isCXX(InputType)) {
- bool ObjCXXAutoRefCount
- = types::isObjC(InputType) && isObjCAutoRefCount(Args);
- getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs,
- ObjCXXAutoRefCount);
- Args.AddAllArgs(CmdArgs, options::OPT_stdlib_EQ);
- }
-
// Add -Wp, and -Xassembler if using the preprocessor.
// FIXME: There is a very unfortunate problem here, some troubled
@@ -428,6 +418,19 @@ void Clang::AddPreprocessingOptions(const Driver &D,
// OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++.
AddIncludeDirectoryList(Args, CmdArgs, "-objcxx-isystem",
::getenv("OBJCPLUS_INCLUDE_PATH"));
+
+ // Add system include arguments.
+ getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs);
+
+ // Add C++ include arguments, if needed.
+ types::ID InputType = Inputs[0].getType();
+ if (types::isCXX(InputType)) {
+ bool ObjCXXAutoRefCount
+ = types::isObjC(InputType) && isObjCAutoRefCount(Args);
+ getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs,
+ ObjCXXAutoRefCount);
+ Args.AddAllArgs(CmdArgs, options::OPT_stdlib_EQ);
+ }
}
/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.