1 files changed, 114 insertions, 0 deletions
diff --git a/cmake/modules/AddLLDB.cmake b/cmake/modules/AddLLDB.cmake
new file mode 100644
index 000000000000..672b0a53feaf
--- /dev/null
+++ b/cmake/modules/AddLLDB.cmake
@@ -0,0 +1,114 @@
+function(lldb_link_common_libs name targetkind)
+  if (NOT LLDB_USED_LIBS)
+    return()
+  endif()
+
+  if(${targetkind} MATCHES "SHARED")
+    set(LINK_KEYWORD ${cmake_2_8_12_PUBLIC})
+  endif()
+
+  if(${targetkind} MATCHES "SHARED" OR ${targetkind} MATCHES "EXE")
+    if (LLDB_LINKER_SUPPORTS_GROUPS)
+      target_link_libraries(${name} ${LINK_KEYWORD}
+                            -Wl,--start-group ${LLDB_USED_LIBS} -Wl,--end-group)
+    else()
+      target_link_libraries(${name} ${LINK_KEYWORD} ${LLDB_USED_LIBS})
+    endif()
+  endif()
+endfunction(lldb_link_common_libs)
+
+macro(add_lldb_library name)
+  # only supported parameters to this macro are the optional
+  # MODULE;SHARED;STATIC library type and source files
+  cmake_parse_arguments(PARAM
+    "MODULE;SHARED;STATIC;OBJECT"
+    ""
+    ""
+    ${ARGN})
+  llvm_process_sources(srcs ${PARAM_UNPARSED_ARGUMENTS})
+
+  if (MSVC_IDE OR XCODE)
+    string(REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
+    list(GET split_path -1 dir)
+    file(GLOB_RECURSE headers
+      ../../include/lldb${dir}/*.h)
+    set(srcs ${srcs} ${headers})
+  endif()
+  if (PARAM_MODULE)
+    set(libkind MODULE)
+  elseif (PARAM_SHARED)
+    set(libkind SHARED)
+  elseif (PARAM_OBJECT)
+    set(libkind OBJECT)
+  else ()
+    # PARAM_STATIC or library type unspecified. BUILD_SHARED_LIBS
+    # does not control the kind of libraries created for LLDB,
+    # only whether or not they link to shared/static LLVM/Clang
+    # libraries.
+    set(libkind STATIC)
+  endif()
+
+  #PIC not needed on Win
+  if (NOT MSVC)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+  endif()
+
+  if (PARAM_OBJECT)
+    add_library(${name} ${libkind} ${srcs})
+  else()
+    llvm_add_library(${name} ${libkind} ${srcs})
+
+    lldb_link_common_libs(${name} "${libkind}")
+
+    if (PARAM_SHARED)
+      if (LLDB_LINKER_SUPPORTS_GROUPS)
+        target_link_libraries(${name} ${cmake_2_8_12_PUBLIC}
+                    -Wl,--start-group ${CLANG_USED_LIBS} -Wl,--end-group)
+      else()
+        target_link_libraries(${name} ${cmake_2_8_12_PUBLIC} ${CLANG_USED_LIBS})
+      endif()
+    endif()
+    llvm_config(${name} ${LLVM_LINK_COMPONENTS})
+
+    if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "liblldb")
+      if (PARAM_SHARED)
+        install(TARGETS ${name}
+          RUNTIME DESTINATION bin
+          LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+          ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
+      else()
+        install(TARGETS ${name}
+          LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+          ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
+      endif()
+    endif()
+  endif()
+
+  # Hack: only some LLDB libraries depend on the clang autogenerated headers,
+  # but it is simple enough to make all of LLDB depend on some of those
+  # headers without negatively impacting much of anything.
+  add_dependencies(${name} libclang)
+
+  set_target_properties(${name} PROPERTIES FOLDER "lldb libraries")
+endmacro(add_lldb_library)
+
+macro(add_lldb_executable name)
+  add_llvm_executable(${name} ${ARGN})
+  set_target_properties(${name} PROPERTIES FOLDER "lldb executables")
+endmacro(add_lldb_executable)
+
+# Support appending linker flags to an existing target.
+# This will preserve the existing linker flags on the
+# target, if there are any.
+function(lldb_append_link_flags target_name new_link_flags)
+  # Retrieve existing linker flags.
+  get_target_property(current_link_flags ${target_name} LINK_FLAGS)
+
+  # If we had any linker flags, include them first in the new linker flags.
+  if(current_link_flags)
+    set(new_link_flags "${current_link_flags} ${new_link_flags}")
+  endif()
+
+  # Now set them onto the target.
+  set_target_properties(${target_name} PROPERTIES LINK_FLAGS ${new_link_flags})
+endfunction()