[CMake] add_llvm_symbol_exports: Use ${native_export_file} instead of equivalent...

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

diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
index 6605b5b60483c574086a14d0faa211ec01bb0f1e..ec4252e604062e8ad7eb9d2ff072a25616d3d7cf 100644 (file)
--- a/cmake/modules/TableGen.cmake
+++ b/cmake/modules/TableGen.cmake
@@ -2,9 +2,9 @@
 # Extra parameters for `tblgen' may come after `ofn' parameter.
 # Adds the name of the generated file to TABLEGEN_OUTPUT.
 
-macro(tablegen ofn)
+macro(tablegen project ofn)
   file(GLOB local_tds "*.td")
-  file(GLOB_RECURSE global_tds "${LLVM_MAIN_SRC_DIR}/include/llvm/*.td")
+  file(GLOB_RECURSE global_tds "${LLVM_MAIN_INCLUDE_DIR}/llvm/*.td")
 
   if (IS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
     set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
@@ -14,14 +14,14 @@ macro(tablegen ofn)
   endif()
   add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     # Generate tablegen output in a temporary file.
-    COMMAND ${LLVM_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMAND ${${project}_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
     -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR}
     ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} 
     -o ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     # 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 ${LLVM_TABLEGEN_EXE} ${local_tds} ${global_tds}
+    DEPENDS ${${project}_TABLEGEN_EXE} ${local_tds} ${global_tds}
     ${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
     COMMENT "Building ${ofn}..."
     )
@@ -45,23 +45,98 @@ macro(tablegen ofn)
     PROPERTIES GENERATED 1)
 endmacro(tablegen)
 
-
-function(create_tablegenning_custom_target target)
-  # Creates the global target that runs the file-level dependencies
-  # for tablegenning.
+macro(add_public_tablegen_target target)
+  # Creates a target for publicly exporting tablegen dependencies.
   if( TABLEGEN_OUTPUT )
-    add_custom_target(${target}Table_gen
+    add_custom_target(${target}
       DEPENDS ${TABLEGEN_OUTPUT})
-    add_dependencies(${target}Table_gen ${LLVM_COMMON_DEPENDS})
+    if (LLVM_COMMON_DEPENDS)
+      add_dependencies(${target} ${LLVM_COMMON_DEPENDS})
+    endif ()
+    set_target_properties(${target} PROPERTIES FOLDER "Tablegenning")
+    list(APPEND LLVM_COMMON_DEPENDS ${target} intrinsics_gen)
   endif( TABLEGEN_OUTPUT )
-endfunction()
+endmacro()
+
+if(CMAKE_CROSSCOMPILING)
+  set(CX_NATIVE_TG_DIR "${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)
 
-function(add_tablegenning_dependency target)
-  # Makes the tablegenning step created with
-  # create_tablegenning_custom_target dependent on `target'.
-  if ( TABLEGEN_OUTPUT )
-    add_dependencies(${target} ${target}Table_gen)
-    set_target_properties(${target}Table_gen PROPERTIES FOLDER "Tablegenning")
-  endif (TABLEGEN_OUTPUT)
-endfunction()
+  set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${CX_NATIVE_TG_DIR})
+endif()
 
+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})
+  set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
+
+  # For Xcode builds, symlink bin/<target> to bin/<Config>/<target> so that
+  # a separately-configured Clang project can still find llvm-tblgen.
+  if (XCODE)
+    add_custom_target(${target}-top ALL
+      ${CMAKE_COMMAND} -E create_symlink 
+        ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR}/${target}${CMAKE_EXECUTABLE_SUFFIX}
+        ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${target}${CMAKE_EXECUTABLE_SUFFIX}
+      DEPENDS ${target})
+  endif ()
+
+  set(${project}_TABLEGEN "${target}" CACHE
+      STRING "Native TableGen executable. Saves building one when cross-compiling.")
+
+  # Upgrade existing LLVM_TABLEGEN setting.
+  if(${project} STREQUAL LLVM)
+    if(${LLVM_TABLEGEN} STREQUAL tblgen)
+      set(LLVM_TABLEGEN "${target}" CACHE
+          STRING "Native TableGen executable. Saves building one when cross-compiling."
+          FORCE)
+    endif()
+  endif()
+      
+  # Effective tblgen executable to be used:
+  set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN} PARENT_SCOPE)
+
+  if(CMAKE_CROSSCOMPILING)
+    if( ${${project}_TABLEGEN} STREQUAL "${target}" )
+      set(${project}_TABLEGEN_EXE "${CX_NATIVE_TG_DIR}/bin/${target}")
+      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 ${CX_NATIVE_TG_DIR}
+        COMMENT "Building native TableGen...")
+      add_custom_target(${project}NativeTableGen DEPENDS ${${project}_TABLEGEN_EXE})
+      add_dependencies(${project}NativeTableGen ConfigureNativeTableGen)
+
+      add_dependencies(${target} ${project}NativeTableGen)
+    endif()
+  endif()
+
+  if( MINGW )
+    target_link_libraries(${target} imagehlp psapi shell32)
+    if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+      set_target_properties(${target} PROPERTIES LINK_FLAGS -Wl,--stack,16777216)
+    endif(CMAKE_SIZEOF_VOID_P MATCHES "8")
+  endif( MINGW )
+  if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD AND NOT BEOS )
+    target_link_libraries(${target} pthread)
+  endif()
+
+  if (${project} STREQUAL LLVM AND NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+    install(TARGETS ${target} RUNTIME DESTINATION bin)
+  endif()
+endmacro()