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-rw-r--r--lib/Driver/ToolChains.cpp269
-rw-r--r--lib/Driver/ToolChains.h6
-rw-r--r--lib/Frontend/InitHeaderSearch.cpp260
3 files changed, 291 insertions, 244 deletions
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index da76edb191..73b67d82bc 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -40,6 +40,13 @@
#include "llvm/Config/config.h" // for CXX_INCLUDE_ROOT
+// Include the necessary headers to interface with the Windows registry and
+// environment.
+#ifdef _MSC_VER
+ #define WIN32_LEAN_AND_MEAN 1
+ #include <windows.h>
+#endif
+
using namespace clang::driver;
using namespace clang::driver::toolchains;
using namespace clang;
@@ -2024,3 +2031,265 @@ const char *Windows::GetForcedPicModel() const {
return "pic";
return 0;
}
+
+// FIXME: This probably should goto to some platform utils place.
+#ifdef _MSC_VER
+
+/// \brief Read registry string.
+/// This also supports a means to look for high-versioned keys by use
+/// of a $VERSION placeholder in the key path.
+/// $VERSION in the key path is a placeholder for the version number,
+/// causing the highest value path to be searched for and used.
+/// I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION".
+/// There can be additional characters in the component. Only the numberic
+/// characters are compared.
+static bool getSystemRegistryString(const char *keyPath, const char *valueName,
+ char *value, size_t maxLength) {
+ HKEY hRootKey = NULL;
+ HKEY hKey = NULL;
+ const char* subKey = NULL;
+ DWORD valueType;
+ DWORD valueSize = maxLength - 1;
+ long lResult;
+ bool returnValue = false;
+
+ if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) {
+ hRootKey = HKEY_CLASSES_ROOT;
+ subKey = keyPath + 18;
+ } else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) {
+ hRootKey = HKEY_USERS;
+ subKey = keyPath + 11;
+ } else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) {
+ hRootKey = HKEY_LOCAL_MACHINE;
+ subKey = keyPath + 19;
+ } else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) {
+ hRootKey = HKEY_CURRENT_USER;
+ subKey = keyPath + 18;
+ } else {
+ return false;
+ }
+
+ const char *placeHolder = strstr(subKey, "$VERSION");
+ char bestName[256];
+ bestName[0] = '\0';
+ // If we have a $VERSION placeholder, do the highest-version search.
+ if (placeHolder) {
+ const char *keyEnd = placeHolder - 1;
+ const char *nextKey = placeHolder;
+ // Find end of previous key.
+ while ((keyEnd > subKey) && (*keyEnd != '\\'))
+ keyEnd--;
+ // Find end of key containing $VERSION.
+ while (*nextKey && (*nextKey != '\\'))
+ nextKey++;
+ size_t partialKeyLength = keyEnd - subKey;
+ char partialKey[256];
+ if (partialKeyLength > sizeof(partialKey))
+ partialKeyLength = sizeof(partialKey);
+ strncpy(partialKey, subKey, partialKeyLength);
+ partialKey[partialKeyLength] = '\0';
+ HKEY hTopKey = NULL;
+ lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey);
+ if (lResult == ERROR_SUCCESS) {
+ char keyName[256];
+ int bestIndex = -1;
+ double bestValue = 0.0;
+ DWORD index, size = sizeof(keyName) - 1;
+ for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL,
+ NULL, NULL, NULL) == ERROR_SUCCESS; index++) {
+ const char *sp = keyName;
+ while (*sp && !isdigit(*sp))
+ sp++;
+ if (!*sp)
+ continue;
+ const char *ep = sp + 1;
+ while (*ep && (isdigit(*ep) || (*ep == '.')))
+ ep++;
+ char numBuf[32];
+ strncpy(numBuf, sp, sizeof(numBuf) - 1);
+ numBuf[sizeof(numBuf) - 1] = '\0';
+ double value = strtod(numBuf, NULL);
+ if (value > bestValue) {
+ bestIndex = (int)index;
+ bestValue = value;
+ strcpy(bestName, keyName);
+ }
+ size = sizeof(keyName) - 1;
+ }
+ // If we found the highest versioned key, open the key and get the value.
+ if (bestIndex != -1) {
+ // Append rest of key.
+ strncat(bestName, nextKey, sizeof(bestName) - 1);
+ bestName[sizeof(bestName) - 1] = '\0';
+ // Open the chosen key path remainder.
+ lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey);
+ if (lResult == ERROR_SUCCESS) {
+ lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
+ (LPBYTE)value, &valueSize);
+ if (lResult == ERROR_SUCCESS)
+ returnValue = true;
+ RegCloseKey(hKey);
+ }
+ }
+ RegCloseKey(hTopKey);
+ }
+ } else {
+ lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
+ if (lResult == ERROR_SUCCESS) {
+ lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
+ (LPBYTE)value, &valueSize);
+ if (lResult == ERROR_SUCCESS)
+ returnValue = true;
+ RegCloseKey(hKey);
+ }
+ }
+ return returnValue;
+}
+
+/// \brief Get Windows SDK installation directory.
+static bool getWindowsSDKDir(std::string &path) {
+ char windowsSDKInstallDir[256];
+ // Try the Windows registry.
+ bool hasSDKDir = getSystemRegistryString(
+ "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION",
+ "InstallationFolder",
+ windowsSDKInstallDir,
+ sizeof(windowsSDKInstallDir) - 1);
+ // If we have both vc80 and vc90, pick version we were compiled with.
+ if (hasSDKDir && windowsSDKInstallDir[0]) {
+ path = windowsSDKInstallDir;
+ return true;
+ }
+ return false;
+}
+
+ // Get Visual Studio installation directory.
+static bool getVisualStudioDir(std::string &path) {
+ // First check the environment variables that vsvars32.bat sets.
+ const char* vcinstalldir = getenv("VCINSTALLDIR");
+ if (vcinstalldir) {
+ char *p = const_cast<char *>(strstr(vcinstalldir, "\\VC"));
+ if (p)
+ *p = '\0';
+ path = vcinstalldir;
+ return true;
+ }
+
+ char vsIDEInstallDir[256];
+ char vsExpressIDEInstallDir[256];
+ // Then try the windows registry.
+ bool hasVCDir = getSystemRegistryString(
+ "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
+ "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1);
+ bool hasVCExpressDir = getSystemRegistryString(
+ "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION",
+ "InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1);
+ // If we have both vc80 and vc90, pick version we were compiled with.
+ if (hasVCDir && vsIDEInstallDir[0]) {
+ char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE");
+ if (p)
+ *p = '\0';
+ path = vsIDEInstallDir;
+ return true;
+ }
+
+ if (hasVCExpressDir && vsExpressIDEInstallDir[0]) {
+ char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE");
+ if (p)
+ *p = '\0';
+ path = vsExpressIDEInstallDir;
+ return true;
+ }
+
+ // Try the environment.
+ const char *vs100comntools = getenv("VS100COMNTOOLS");
+ const char *vs90comntools = getenv("VS90COMNTOOLS");
+ const char *vs80comntools = getenv("VS80COMNTOOLS");
+ const char *vscomntools = NULL;
+
+ // Try to find the version that we were compiled with
+ if(false) {}
+ #if (_MSC_VER >= 1600) // VC100
+ else if(vs100comntools) {
+ vscomntools = vs100comntools;
+ }
+ #elif (_MSC_VER == 1500) // VC80
+ else if(vs90comntools) {
+ vscomntools = vs90comntools;
+ }
+ #elif (_MSC_VER == 1400) // VC80
+ else if(vs80comntools) {
+ vscomntools = vs80comntools;
+ }
+ #endif
+ // Otherwise find any version we can
+ else if (vs100comntools)
+ vscomntools = vs100comntools;
+ else if (vs90comntools)
+ vscomntools = vs90comntools;
+ else if (vs80comntools)
+ vscomntools = vs80comntools;
+
+ if (vscomntools && *vscomntools) {
+ const char *p = strstr(vscomntools, "\\Common7\\Tools");
+ path = p ? std::string(vscomntools, p) : vscomntools;
+ return true;
+ }
+ return false;
+}
+
+// FIXME: Hoist this up, generalize, and document it as more stuff begins using
+// it.
+static void addSystemInclude(const ArgList &DriverArgs, ArgStringList &CC1Args,
+ const Twine &Path) {
+ CC1Args.push_back("-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(Path));
+}
+
+#endif // _MSC_VER
+
+// FIXME: Generalize this and document it as more clients begin to use it.
+static void addSystemIncludes(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ ArrayRef<StringRef> Paths) {
+ for (ArrayRef<StringRef>::iterator I = Paths.begin(), E = Paths.end();
+ I != E; ++I) {
+ CC1Args.push_back("-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(*I));
+ }
+}
+
+void Windows::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ std::string VSDir;
+ std::string WindowsSDKDir;
+
+#ifdef _MSC_VER
+ // When built with access to the proper Windows APIs, try to actually find
+ // the correct include paths first.
+ if (getVisualStudioDir(VSDir)) {
+ addSystemInclude(DriverArgs, CC1Args, VSDir + "\\VC\\include");
+ if (getWindowsSDKDir(WindowsSDKDir))
+ addSystemInclude(DriverArgs, CC1Args, WindowsSDKDir + "\\include");
+ else
+ addSystemInclude(DriverArgs, CC1Args,
+ VSDir + "\\VC\\PlatformSDK\\Include");
+ return;
+ }
+#endif // _MSC_VER
+
+ // As a fallback, select default install paths.
+ const StringRef Paths[] = {
+ "C:/Program Files/Microsoft Visual Studio 10.0/VC/include",
+ "C:/Program Files/Microsoft Visual Studio 9.0/VC/include",
+ "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
+ "C:/Program Files/Microsoft Visual Studio 8/VC/include",
+ "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include"
+ };
+ addSystemIncludes(DriverArgs, CC1Args, Paths);
+}
+
+void Windows::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ // FIXME: There should probably be logic here to find libc++ on Windows.
+}
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index dfcb253acd..f0c348402c 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -417,6 +417,12 @@ public:
virtual bool IsUnwindTablesDefault() const;
virtual const char *GetDefaultRelocationModel() const;
virtual const char *GetForcedPicModel() const;
+
+ virtual void AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+ virtual void AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+
};
} // end namespace toolchains
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 571f0b27fc..5083c5edf0 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -27,12 +27,9 @@
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Path.h"
#include "llvm/Config/config.h"
-#ifdef _MSC_VER
- #define WIN32_LEAN_AND_MEAN 1
- #include <windows.h>
-#endif
using namespace clang;
using namespace clang::frontend;
@@ -207,219 +204,6 @@ void InitHeaderSearch::AddMinGW64CXXPaths(StringRef Base,
CXXSystem, true, false, false);
}
- // FIXME: This probably should goto to some platform utils place.
-#ifdef _MSC_VER
-
- // Read registry string.
- // This also supports a means to look for high-versioned keys by use
- // of a $VERSION placeholder in the key path.
- // $VERSION in the key path is a placeholder for the version number,
- // causing the highest value path to be searched for and used.
- // I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION".
- // There can be additional characters in the component. Only the numberic
- // characters are compared.
-static bool getSystemRegistryString(const char *keyPath, const char *valueName,
- char *value, size_t maxLength) {
- HKEY hRootKey = NULL;
- HKEY hKey = NULL;
- const char* subKey = NULL;
- DWORD valueType;
- DWORD valueSize = maxLength - 1;
- long lResult;
- bool returnValue = false;
-
- if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) {
- hRootKey = HKEY_CLASSES_ROOT;
- subKey = keyPath + 18;
- } else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) {
- hRootKey = HKEY_USERS;
- subKey = keyPath + 11;
- } else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) {
- hRootKey = HKEY_LOCAL_MACHINE;
- subKey = keyPath + 19;
- } else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) {
- hRootKey = HKEY_CURRENT_USER;
- subKey = keyPath + 18;
- }
- else
- return false;
-
- const char *placeHolder = strstr(subKey, "$VERSION");
- char bestName[256];
- bestName[0] = '\0';
- // If we have a $VERSION placeholder, do the highest-version search.
- if (placeHolder) {
- const char *keyEnd = placeHolder - 1;
- const char *nextKey = placeHolder;
- // Find end of previous key.
- while ((keyEnd > subKey) && (*keyEnd != '\\'))
- keyEnd--;
- // Find end of key containing $VERSION.
- while (*nextKey && (*nextKey != '\\'))
- nextKey++;
- size_t partialKeyLength = keyEnd - subKey;
- char partialKey[256];
- if (partialKeyLength > sizeof(partialKey))
- partialKeyLength = sizeof(partialKey);
- strncpy(partialKey, subKey, partialKeyLength);
- partialKey[partialKeyLength] = '\0';
- HKEY hTopKey = NULL;
- lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey);
- if (lResult == ERROR_SUCCESS) {
- char keyName[256];
- int bestIndex = -1;
- double bestValue = 0.0;
- DWORD index, size = sizeof(keyName) - 1;
- for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL,
- NULL, NULL, NULL) == ERROR_SUCCESS; index++) {
- const char *sp = keyName;
- while (*sp && !isdigit(*sp))
- sp++;
- if (!*sp)
- continue;
- const char *ep = sp + 1;
- while (*ep && (isdigit(*ep) || (*ep == '.')))
- ep++;
- char numBuf[32];
- strncpy(numBuf, sp, sizeof(numBuf) - 1);
- numBuf[sizeof(numBuf) - 1] = '\0';
- double value = strtod(numBuf, NULL);
- if (value > bestValue) {
- bestIndex = (int)index;
- bestValue = value;
- strcpy(bestName, keyName);
- }
- size = sizeof(keyName) - 1;
- }
- // If we found the highest versioned key, open the key and get the value.
- if (bestIndex != -1) {
- // Append rest of key.
- strncat(bestName, nextKey, sizeof(bestName) - 1);
- bestName[sizeof(bestName) - 1] = '\0';
- // Open the chosen key path remainder.
- lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey);
- if (lResult == ERROR_SUCCESS) {
- lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
- (LPBYTE)value, &valueSize);
- if (lResult == ERROR_SUCCESS)
- returnValue = true;
- RegCloseKey(hKey);
- }
- }
- RegCloseKey(hTopKey);
- }
- }
- else {
- lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
- if (lResult == ERROR_SUCCESS) {
- lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
- (LPBYTE)value, &valueSize);
- if (lResult == ERROR_SUCCESS)
- returnValue = true;
- RegCloseKey(hKey);
- }
- }
- return returnValue;
-}
-#else // _MSC_VER
- // Read registry string.
-static bool getSystemRegistryString(const char*, const char*, char*, size_t) {
- return(false);
-}
-#endif // _MSC_VER
-
- // Get Visual Studio installation directory.
-static bool getVisualStudioDir(std::string &path) {
- // First check the environment variables that vsvars32.bat sets.
- const char* vcinstalldir = getenv("VCINSTALLDIR");
- if (vcinstalldir) {
- char *p = const_cast<char *>(strstr(vcinstalldir, "\\VC"));
- if (p)
- *p = '\0';
- path = vcinstalldir;
- return true;
- }
-
- char vsIDEInstallDir[256];
- char vsExpressIDEInstallDir[256];
- // Then try the windows registry.
- bool hasVCDir = getSystemRegistryString(
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
- "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1);
- bool hasVCExpressDir = getSystemRegistryString(
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION",
- "InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1);
- // If we have both vc80 and vc90, pick version we were compiled with.
- if (hasVCDir && vsIDEInstallDir[0]) {
- char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE");
- if (p)
- *p = '\0';
- path = vsIDEInstallDir;
- return true;
- }
-
- if (hasVCExpressDir && vsExpressIDEInstallDir[0]) {
- char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE");
- if (p)
- *p = '\0';
- path = vsExpressIDEInstallDir;
- return true;
- }
-
- // Try the environment.
- const char *vs100comntools = getenv("VS100COMNTOOLS");
- const char *vs90comntools = getenv("VS90COMNTOOLS");
- const char *vs80comntools = getenv("VS80COMNTOOLS");
- const char *vscomntools = NULL;
-
- // Try to find the version that we were compiled with
- if(false) {}
- #if (_MSC_VER >= 1600) // VC100
- else if(vs100comntools) {
- vscomntools = vs100comntools;
- }
- #elif (_MSC_VER == 1500) // VC80
- else if(vs90comntools) {
- vscomntools = vs90comntools;
- }
- #elif (_MSC_VER == 1400) // VC80
- else if(vs80comntools) {
- vscomntools = vs80comntools;
- }
- #endif
- // Otherwise find any version we can
- else if (vs100comntools)
- vscomntools = vs100comntools;
- else if (vs90comntools)
- vscomntools = vs90comntools;
- else if (vs80comntools)
- vscomntools = vs80comntools;
-
- if (vscomntools && *vscomntools) {
- const char *p = strstr(vscomntools, "\\Common7\\Tools");
- path = p ? std::string(vscomntools, p) : vscomntools;
- return true;
- }
- return false;
-}
-
- // Get Windows SDK installation directory.
-static bool getWindowsSDKDir(std::string &path) {
- char windowsSDKInstallDir[256];
- // Try the Windows registry.
- bool hasSDKDir = getSystemRegistryString(
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION",
- "InstallationFolder",
- windowsSDKInstallDir,
- sizeof(windowsSDKInstallDir) - 1);
- // If we have both vc80 and vc90, pick version we were compiled with.
- if (hasSDKDir && windowsSDKInstallDir[0]) {
- path = windowsSDKInstallDir;
- return(true);
- }
- return(false);
-}
-
void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
const HeaderSearchOptions &HSOpts) {
llvm::Triple::OSType os = triple.getOS();
@@ -464,33 +248,9 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
}
switch (os) {
- case llvm::Triple::Win32: {
- std::string VSDir;
- std::string WindowsSDKDir;
- if (getVisualStudioDir(VSDir)) {
- AddPath(VSDir + "\\VC\\include", System, false, false, false);
- if (getWindowsSDKDir(WindowsSDKDir))
- AddPath(WindowsSDKDir + "\\include", System, false, false, false);
- else
- AddPath(VSDir + "\\VC\\PlatformSDK\\Include",
- System, false, false, false);
- } else {
- // Default install paths.
- AddPath("C:/Program Files/Microsoft Visual Studio 10.0/VC/include",
- System, false, false, false);
- AddPath("C:/Program Files/Microsoft Visual Studio 9.0/VC/include",
- System, false, false, false);
- AddPath(
- "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
- System, false, false, false);
- AddPath("C:/Program Files/Microsoft Visual Studio 8/VC/include",
- System, false, false, false);
- AddPath(
- "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include",
- System, false, false, false);
- }
- break;
- }
+ case llvm::Triple::Win32:
+ llvm_unreachable("Windows include management is handled in the driver.");
+
case llvm::Triple::Haiku:
AddPath("/boot/common/include", System, true, false, false);
AddPath("/boot/develop/headers/os", System, true, false, false);
@@ -943,6 +703,18 @@ AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOp
void InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang,
const llvm::Triple &triple,
const HeaderSearchOptions &HSOpts) {
+ // NB: This code path is going away. All of the logic is moving into the
+ // driver which has the information necessary to do target-specific
+ // selections of default include paths. Each target which moves there will be
+ // exempted from this logic here until we can delete the entire pile of code.
+ switch (triple.getOS()) {
+ default:
+ break; // Everything else continues to use this routine's logic.
+
+ case llvm::Triple::Win32:
+ return;
+ }
+
if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes &&
HSOpts.UseStandardSystemIncludes) {
if (HSOpts.UseLibcxx) {