This revision was automatically updated to reflect the committed changes.
Closed by commit rG55acb70b211a: [lldb][cmake] Allow specifying custom libcxx 
for tests in standalone builds (authored by Michael137).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150954/new/

https://reviews.llvm.org/D150954

Files:
  lldb/cmake/modules/LLDBStandalone.cmake
  lldb/test/CMakeLists.txt


Index: lldb/test/CMakeLists.txt
===================================================================
--- lldb/test/CMakeLists.txt
+++ lldb/test/CMakeLists.txt
@@ -169,9 +169,18 @@
     # FIXME: Standalone builds should import the cxx target as well.
     if(LLDB_BUILT_STANDALONE)
       # For now check that the include directory exists.
-      set(cxx_dir "${LLVM_BINARY_DIR}/include/c++")
-      if(NOT EXISTS ${cxx_dir})
-        message(WARNING "LLDB test suite requires libc++ in 
llvm/projects/libcxx or an existing build symlinked to ${cxx_dir}")
+      set(cxx_dir "${LLDB_TEST_LIBCXX_ROOT_DIR}/include/c++")
+      if(EXISTS ${cxx_dir})
+        # These variables make sure the API tests can run against a custom
+        # build of libcxx even for standalone builds.
+        set(LLDB_HAS_LIBCXX ON)
+        set(LIBCXX_LIBRARY_DIR 
"${LLDB_TEST_LIBCXX_ROOT_DIR}/lib${LIBCXX_LIBDIR_SUFFIX}")
+        set(LIBCXX_GENERATED_INCLUDE_DIR 
"${LLDB_TEST_LIBCXX_ROOT_DIR}/include/c++/v1")
+      else()
+        message(FATAL_ERROR
+            "Couldn't find libcxx build in '${LLDB_TEST_LIBCXX_ROOT_DIR}'. To 
run the "
+            "test-suite for a standalone LLDB build please build libcxx and 
point "
+            "LLDB_TEST_LIBCXX_ROOT_DIR to it.")
       endif()
     else()
       # We require libcxx for the test suite, so if we aren't building it,
Index: lldb/cmake/modules/LLDBStandalone.cmake
===================================================================
--- lldb/cmake/modules/LLDBStandalone.cmake
+++ lldb/cmake/modules/LLDBStandalone.cmake
@@ -16,6 +16,9 @@
 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_INCLUDE_DIR} CACHE PATH "Path to 
llvm/include")
 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR} CACHE PATH "Path to LLVM build tree")
 
+set(LLDB_TEST_LIBCXX_ROOT_DIR "${LLVM_BINARY_DIR}" CACHE PATH
+    "The build root for libcxx. Used in standalone builds to point the API 
tests to a custom build of libcxx.")
+
 set(LLVM_LIT_ARGS "-sv" CACHE STRING "Default options for lit")
 
 set(lit_file_name "llvm-lit")


Index: lldb/test/CMakeLists.txt
===================================================================
--- lldb/test/CMakeLists.txt
+++ lldb/test/CMakeLists.txt
@@ -169,9 +169,18 @@
     # FIXME: Standalone builds should import the cxx target as well.
     if(LLDB_BUILT_STANDALONE)
       # For now check that the include directory exists.
-      set(cxx_dir "${LLVM_BINARY_DIR}/include/c++")
-      if(NOT EXISTS ${cxx_dir})
-        message(WARNING "LLDB test suite requires libc++ in llvm/projects/libcxx or an existing build symlinked to ${cxx_dir}")
+      set(cxx_dir "${LLDB_TEST_LIBCXX_ROOT_DIR}/include/c++")
+      if(EXISTS ${cxx_dir})
+        # These variables make sure the API tests can run against a custom
+        # build of libcxx even for standalone builds.
+        set(LLDB_HAS_LIBCXX ON)
+        set(LIBCXX_LIBRARY_DIR "${LLDB_TEST_LIBCXX_ROOT_DIR}/lib${LIBCXX_LIBDIR_SUFFIX}")
+        set(LIBCXX_GENERATED_INCLUDE_DIR "${LLDB_TEST_LIBCXX_ROOT_DIR}/include/c++/v1")
+      else()
+        message(FATAL_ERROR
+            "Couldn't find libcxx build in '${LLDB_TEST_LIBCXX_ROOT_DIR}'. To run the "
+            "test-suite for a standalone LLDB build please build libcxx and point "
+            "LLDB_TEST_LIBCXX_ROOT_DIR to it.")
       endif()
     else()
       # We require libcxx for the test suite, so if we aren't building it,
Index: lldb/cmake/modules/LLDBStandalone.cmake
===================================================================
--- lldb/cmake/modules/LLDBStandalone.cmake
+++ lldb/cmake/modules/LLDBStandalone.cmake
@@ -16,6 +16,9 @@
 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_INCLUDE_DIR} CACHE PATH "Path to llvm/include")
 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR} CACHE PATH "Path to LLVM build tree")
 
+set(LLDB_TEST_LIBCXX_ROOT_DIR "${LLVM_BINARY_DIR}" CACHE PATH
+    "The build root for libcxx. Used in standalone builds to point the API tests to a custom build of libcxx.")
+
 set(LLVM_LIT_ARGS "-sv" CACHE STRING "Default options for lit")
 
 set(lit_file_name "llvm-lit")
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