[PATCH] D45291: [Driver] Infer Android sysroot location.

[Dan Albert via Phabricator via cfe-commits]

danalbert created this revision.
danalbert added a reviewer: srhines.

Android toolchains include their headers and libraries in a
self-contained directory within the toolchain.


Repository:
  rC Clang

https://reviews.llvm.org/D45291

Files:
  lib/Driver/ToolChains/Linux.cpp


Index: lib/Driver/ToolChains/Linux.cpp
===================================================================
--- lib/Driver/ToolChains/Linux.cpp
+++ lib/Driver/ToolChains/Linux.cpp
@@ -413,6 +413,15 @@
   if (!getDriver().SysRoot.empty())
     return getDriver().SysRoot;
 
+  if (getTriple().isAndroid()) {
+    // Android toolchains typically include a sysroot at ../sysroot relative to
+    // the clang binary.
+    const StringRef ClangDir = getDriver().getInstalledDir();
+    std::string AndroidSysRootPath = (ClangDir + "/../sysroot").str();
+    if (getVFS().exists(AndroidSysRootPath))
+      return AndroidSysRootPath;
+  }
+
   if (!GCCInstallation.isValid() || !tools::isMipsArch(getTriple().getArch()))
     return std::string();
 



Index: lib/Driver/ToolChains/Linux.cpp
===================================================================
--- lib/Driver/ToolChains/Linux.cpp
+++ lib/Driver/ToolChains/Linux.cpp
@@ -413,6 +413,15 @@
   if (!getDriver().SysRoot.empty())
     return getDriver().SysRoot;
 
+  if (getTriple().isAndroid()) {
+    // Android toolchains typically include a sysroot at ../sysroot relative to
+    // the clang binary.
+    const StringRef ClangDir = getDriver().getInstalledDir();
+    std::string AndroidSysRootPath = (ClangDir + "/../sysroot").str();
+    if (getVFS().exists(AndroidSysRootPath))
+      return AndroidSysRootPath;
+  }
+
   if (!GCCInstallation.isValid() || !tools::isMipsArch(getTriple().getArch()))
     return std::string();
 

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