[CMake] Remove dead code and outdated comments

Summary: All of these changes are NOPs.

Reviewers: stella.stamenova, labath, JDevlieghere

Reviewed By: stella.stamenova

Subscribers: mgorny, lldb-commits, #lldb

Differential Revision: https://reviews.llvm.org/D56609

llvm-svn: 350937

lldb/CMakeLists.txt

@@ -41,13 +41,10 @@ option(LLDB_TEST_USE_CUSTOM_C_COMPILER "Use the C compiler provided via LLDB_TES
 option(LLDB_TEST_USE_CUSTOM_CXX_COMPILER "Use the C++ compiler provided via LLDB_TEST_CXX_COMPILER for building test inferiors (instead of the just-built compiler). Defaults to OFF." OFF)
 if(LLDB_INCLUDE_TESTS)
 
-  # Set the path to the default lldb test executable. Make the path relative to
-  # LLVM_RUNTIME_OUTPUT_INTDIR: this will be correct even when LLVM and LLDB
-  # have separate binary directories.
+  # Set the path to the default lldb test executable.
   set(LLDB_DEFAULT_TEST_EXECUTABLE "${LLVM_RUNTIME_OUTPUT_INTDIR}/lldb${CMAKE_EXECUTABLE_SUFFIX}")
 
-  # Set the paths to default llvm tools. Make these paths relative to the LLVM
-  # binary directory.
+  # Set the paths to default llvm tools.
   set(LLDB_DEFAULT_TEST_DSYMUTIL "${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin/dsymutil${CMAKE_EXECUTABLE_SUFFIX}")
   set(LLDB_DEFAULT_TEST_FILECHECK "${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin/FileCheck${CMAKE_EXECUTABLE_SUFFIX}")
 

lldb/cmake/modules/LLDBStandalone.cmake

@@ -101,7 +101,6 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
 
   # Import CMake library targets from LLVM and Clang.
   include("${LLVM_OBJ_ROOT}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm/LLVMConfig.cmake")
-  # cmake/clang/ClangConfig.cmake is not created when LLVM and Clang are built together.
   if (EXISTS "${LLVM_OBJ_ROOT}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake")
     include("${LLVM_OBJ_ROOT}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake")
   endif()

lldb/lit/CMakeLists.txt

@@ -11,14 +11,6 @@ if (CMAKE_SIZEOF_VOID_P EQUAL 8)
   set(LLDB_IS_64_BITS 1)
 endif()
 
-if (NOT LLDB_TEST_USE_CUSTOM_C_COMPILER)
-  string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLDB_TEST_C_COMPILER ${LLDB_TEST_C_COMPILER})
-endif ()
-
-if (NOT LLDB_TEST_USE_CUSTOM_CXX_COMPILER)
-  string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLDB_TEST_CXX_COMPILER ${LLDB_TEST_CXX_COMPILER})
-endif ()
-
 get_property(LLDB_DOTEST_ARGS GLOBAL PROPERTY LLDB_DOTEST_ARGS_PROPERTY)
 
 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLDB_LIBS_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
@@ -38,17 +30,8 @@ list(APPEND LLDB_TEST_DEPS
 
 if(TARGET lld)
   list(APPEND LLDB_TEST_DEPS lld)
-  set(LLDB_HAVE_LLD 1)
-else()
-  set(LLDB_HAVE_LLD 0)
 endif()
 
-if(BUILD_SHARED_LIBS)
-  set(ENABLE_SHARED 1)
-else()
-  set(ENABLE_SHARED 0)
-endif(BUILD_SHARED_LIBS)
-
 # the value is not canonicalized within LLVM
 llvm_canonicalize_cmake_booleans(
   LLDB_DISABLE_PYTHON