[CMake] Don't use OBJLIB on Xcode.

[oota-llvm.git] / cmake / modules / TableGen.cmake

diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
index 6e52e4d53418ee5d64472915d62a2c6c4dd152ac..98646bc16df44c8ed5100383e655829782bbcf70 100644 (file)
--- a/cmake/modules/TableGen.cmake
+++ b/cmake/modules/TableGen.cmake
@@ -3,6 +3,17 @@
 # Adds the name of the generated file to TABLEGEN_OUTPUT.
 
 function(tablegen project ofn)
+  # Validate calling context.
+  foreach(v
+      ${project}_TABLEGEN_EXE
+      LLVM_MAIN_SRC_DIR
+      LLVM_MAIN_INCLUDE_DIR
+      )
+    if(NOT ${v})
+      message(FATAL_ERROR "${v} not set")
+    endif()
+  endforeach()
+
   file(GLOB local_tds "*.td")
   file(GLOB_RECURSE global_tds "${LLVM_MAIN_INCLUDE_DIR}/llvm/*.td")
 
@@ -21,7 +32,7 @@ function(tablegen project ofn)
     # The file in LLVM_TARGET_DEFINITIONS may be not in the current
     # directory and local_tds may not contain it, so we must
     # explicitly list it here:
-    DEPENDS ${${project}_TABLEGEN_EXE} ${local_tds} ${global_tds}
+    DEPENDS ${${project}_TABLEGEN_TARGET} ${local_tds} ${global_tds}
     ${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
     COMMENT "Building ${ofn}..."
     )
@@ -41,47 +52,40 @@ function(tablegen project ofn)
     PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${ofn}.tmp ${ofn})
 
   set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn} PARENT_SCOPE)
-  set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${ofn}
-    PROPERTIES GENERATED 1)
-endfunction(tablegen)
-
-macro(add_public_tablegen_target target)
-  # Creates a target for publicly exporting tablegen dependencies.
-  if( TABLEGEN_OUTPUT )
-    add_custom_target(${target}
-      DEPENDS ${TABLEGEN_OUTPUT})
-    if (LLVM_COMMON_DEPENDS)
-      add_dependencies(${target} ${LLVM_COMMON_DEPENDS})
-    endif ()
-    set_target_properties(${target} PROPERTIES FOLDER "Tablegenning")
-    list(APPEND LLVM_COMMON_DEPENDS ${target} intrinsics_gen)
-  endif( TABLEGEN_OUTPUT )
-endmacro()
-
-if(CMAKE_CROSSCOMPILING)
-  set(CX_NATIVE_TG_DIR "${CMAKE_BINARY_DIR}/native")
-
-  add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}
-    COMMAND ${CMAKE_COMMAND} -E make_directory ${CX_NATIVE_TG_DIR}
-    COMMENT "Creating ${CX_NATIVE_TG_DIR}...")
-
-  add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}/CMakeCache.txt
-    COMMAND ${CMAKE_COMMAND} -UMAKE_TOOLCHAIN_FILE -DCMAKE_BUILD_TYPE=Release
-                             -DLLVM_BUILD_POLLY=OFF
-                             -G "${CMAKE_GENERATOR}" ${CMAKE_SOURCE_DIR}
-    WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
-    DEPENDS ${CX_NATIVE_TG_DIR}
-    COMMENT "Configuring native TableGen...")
-
-  add_custom_target(ConfigureNativeTableGen DEPENDS ${CX_NATIVE_TG_DIR}/CMakeCache.txt)
-
-  set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${CX_NATIVE_TG_DIR})
-endif()
+  set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${ofn} PROPERTIES
+    GENERATED 1)
+endfunction()
+
+# Creates a target for publicly exporting tablegen dependencies.
+function(add_public_tablegen_target target)
+  if(NOT TABLEGEN_OUTPUT)
+    message(FATAL_ERROR "Requires tablegen() definitions as TABLEGEN_OUTPUT.")
+  endif()
+  add_custom_target(${target}
+    DEPENDS ${TABLEGEN_OUTPUT})
+  if(LLVM_COMMON_DEPENDS)
+    add_dependencies(${target} ${LLVM_COMMON_DEPENDS})
+  endif()
+  set_target_properties(${target} PROPERTIES FOLDER "Tablegenning")
+  set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${target} PARENT_SCOPE)
+endfunction()
 
 macro(add_tablegen target project)
   set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS})
   set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen)
-  add_llvm_utility(${target} ${ARGN})
+
+  if(NOT XCODE)
+    # FIXME: It leaks to user, callee of add_tablegen.
+    set(LLVM_ENABLE_OBJLIB ON)
+  endif()
+
+  add_llvm_utility(
+    ${target} ${ARGN}
+    # libLLVM does not include the TableGen
+    # components, so we cannot link any tblgen
+    # utilities against it.
+    DISABLE_LLVM_LINK_LLVM_DYLIB)
+
   set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
 
   set(${project}_TABLEGEN "${target}" CACHE
@@ -98,21 +102,24 @@ macro(add_tablegen target project)
 
   # Effective tblgen executable to be used:
   set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN} PARENT_SCOPE)
+  set(${project}_TABLEGEN_TARGET ${${project}_TABLEGEN} PARENT_SCOPE)
 
-  if(CMAKE_CROSSCOMPILING)
+  if(LLVM_USE_HOST_TOOLS)
     if( ${${project}_TABLEGEN} STREQUAL "${target}" )
-      set(${project}_TABLEGEN_EXE "${CX_NATIVE_TG_DIR}/bin/${target}")
+      if (NOT CMAKE_CONFIGURATION_TYPES)
+        set(${project}_TABLEGEN_EXE "${LLVM_NATIVE_BUILD}/bin/${target}")
+      else()
+        set(${project}_TABLEGEN_EXE "${LLVM_NATIVE_BUILD}/Release/bin/${target}")
+      endif()
       set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN_EXE} PARENT_SCOPE)
 
       add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE}
-        COMMAND ${CMAKE_BUILD_TOOL} ${target}
-        DEPENDS ${CX_NATIVE_TG_DIR}/CMakeCache.txt
-        WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
+        COMMAND ${CMAKE_COMMAND} --build . --target ${target} --config Release
+        DEPENDS CONFIGURE_LLVM_NATIVE ${target}
+        WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
         COMMENT "Building native TableGen...")
-      add_custom_target(${project}NativeTableGen DEPENDS ${${project}_TABLEGEN_EXE})
-      add_dependencies(${project}NativeTableGen ConfigureNativeTableGen)
-
-      add_dependencies(${target} ${project}NativeTableGen)
+      add_custom_target(${project}-tablegen-host DEPENDS ${${project}_TABLEGEN_EXE})
+      set(${project}_TABLEGEN_TARGET ${project}-tablegen-host PARENT_SCOPE)
     endif()
   endif()