Revert "Fix temporary directory computation on linux (pr25147)"

I actually did not want to commit this without review, but I mistyped. :/

llvm-svn: 250412

1 files changed, 13 insertions, 4 deletions

diff --git a/lldb/source/Host/common/HostInfoBase.cpp b/lldb/source/Host/common/HostInfoBase.cpp
index 0f4324f83dd..3cb00a875e2 100644
--- a/lldb/source/Host/common/HostInfoBase.cpp
+++ b/lldb/source/Host/common/HostInfoBase.cpp
@@ -20,7 +20,6 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Host.h"
-#include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 
 #include <thread>
@@ -345,9 +344,19 @@ HostInfoBase::ComputeProcessTempFileDirectory(FileSpec &file_spec)
 bool
 HostInfoBase::ComputeTempFileBaseDirectory(FileSpec &file_spec)
 {
-    llvm::SmallVector<char, 16> tmpdir;
-    llvm::sys::path::system_temp_directory(/*ErasedOnReboot*/ true, tmpdir);
-    file_spec = FileSpec(std::string(tmpdir.data(), tmpdir.size()), true);
+    file_spec.Clear();
+
+    const char *tmpdir_cstr = getenv("TMPDIR");
+    if (tmpdir_cstr == nullptr)
+    {
+        tmpdir_cstr = getenv("TMP");
+        if (tmpdir_cstr == nullptr)
+            tmpdir_cstr = getenv("TEMP");
+    }
+    if (!tmpdir_cstr)
+        return false;
+
+    file_spec = FileSpec(tmpdir_cstr, false);
     return true;
 }