Make backtraces work again with both the configure and cmake build.

[oota-llvm.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fbf8e2bb90e5d8cb6e045aea8030fde8d1eda42f..79995418afc3e134ba87c12682d7400fa776eb91 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,6 +115,11 @@ if(LLVM_ENABLE_TIMESTAMPS)
   set(ENABLE_TIMESTAMPS 1)
 endif()
 
+option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
+if(LLVM_ENABLE_BACKTRACES)
+  set(ENABLE_BACKTRACES 1)
+endif()
+
 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
@@ -249,6 +254,14 @@ option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
 # BEFORE this include, otherwise options will not be correctly set on
 # first cmake run
 include(config-ix)
+
+# By default, we target the host, but this can be overridden at CMake
+# invocation time.
+set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
+  "Default target for which LLVM will generate code." )
+set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}" CACHE STRING
+  "Default target for which LLVM will generate code." )
+
 include(HandleLLVMOptions)
 
 # Verify that we can find a Python interpreter,