Enable gtest SEH when building with clang-cl
[oota-llvm.git] / cmake / modules / AddLLVM.cmake
index f53b89d32abb249c6ce49b08d7452bf29a813e89..da42e5cf55e74c98bd1988cc3fbaf2ee78ac0350 100644 (file)
@@ -1,5 +1,6 @@
 include(LLVMProcessSources)
 include(LLVM-Config)
+include(DetermineGCCCompatible)
 
 function(llvm_update_compile_flags name)
   get_property(sources TARGET ${name} PROPERTY SOURCES)
@@ -21,10 +22,6 @@ function(llvm_update_compile_flags name)
       list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0)
       list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-")
     endif()
-    if (CLANG_CL)
-      # FIXME: Remove this once clang-cl supports SEH
-      list(APPEND LLVM_COMPILE_DEFINITIONS "GTEST_HAS_SEH=0")
-    endif()
   endif()
 
   # LLVM_REQUIRES_RTTI is an internal flag that individual
@@ -193,34 +190,43 @@ endfunction(add_link_opts)
 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
 # or a certain builder, for eaxample, msbuild.exe, would be confused.
-function(set_output_directory target bindir libdir)
-  # Do nothing if *_OUTPUT_INTDIR is empty.
-  if("${bindir}" STREQUAL "")
-    return()
-  endif()
+function(set_output_directory target)
+  cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR;" "" ${ARGN})
 
-  # moddir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
+  # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
   # It affects output of add_library(MODULE).
   if(WIN32 OR CYGWIN)
     # DLL platform
-    set(moddir ${bindir})
+    set(module_dir ${ARG_BINARY_DIR})
   else()
-    set(moddir ${libdir})
+    set(module_dir ${ARG_LIBRARY_DIR})
   endif()
   if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
     foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
       string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
-      string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir})
-      string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir})
-      string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${moddir})
-      set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
-      set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
-      set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
+      if(ARG_BINARY_DIR)
+        string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR})
+        set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
+      endif()
+      if(ARG_LIBRARY_DIR)
+        string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR})
+        set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
+      endif()
+      if(module_dir)
+        string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir})
+        set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
+      endif()
     endforeach()
   else()
-    set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir})
-    set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir})
-    set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${moddir})
+    if(ARG_BINARY_DIR)
+      set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR})
+    endif()
+    if(ARG_LIBRARY_DIR)
+      set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR})
+    endif()
+    if(module_dir)
+      set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir})
+    endif()
   endif()
 endfunction()
 
@@ -398,8 +404,11 @@ function(llvm_add_library name)
     set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
   endif()
 
-  set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
-  llvm_update_compile_flags(${name})
+  set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
+  # $<TARGET_OBJECTS> doesn't require compile flags.
+  if(NOT obj_name)
+    llvm_update_compile_flags(${name})
+  endif()
   add_link_opts( ${name} )
   if(ARG_OUTPUT_NAME)
     set_target_properties(${name}
@@ -587,6 +596,12 @@ macro(add_llvm_executable name)
 
   add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
 
+  if(XCODE)
+    # Note: the dummy.cpp source file provides no definitions. However,
+    # it forces Xcode to properly link the static library.
+    list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
+  endif()
+
   if( EXCLUDE_FROM_ALL )
     add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
   else()
@@ -597,7 +612,10 @@ macro(add_llvm_executable name)
     set_windows_version_resource_properties(${name} ${windows_resource_file})
   endif()
 
-  llvm_update_compile_flags(${name})
+  # $<TARGET_OBJECTS> doesn't require compile flags.
+  if(NOT LLVM_ENABLE_OBJLIB)
+    llvm_update_compile_flags(${name})
+  endif()
   add_link_opts( ${name} )
 
   # Do not add -Dname_EXPORTS to the command-line when building files in this
@@ -610,13 +628,13 @@ macro(add_llvm_executable name)
     add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
   endif(LLVM_EXPORTED_SYMBOL_FILE)
 
-  set(EXCLUDE_FROM_ALL OFF)
-  set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
   if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
-    target_link_libraries(${name} LLVM)
-  else()
-    llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
+    set(USE_SHARED USE_SHARED)
   endif()
+
+  set(EXCLUDE_FROM_ALL OFF)
+  set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
+  llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
   if( LLVM_COMMON_DEPENDS )
     add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
   endif( LLVM_COMMON_DEPENDS )
@@ -628,11 +646,14 @@ function(export_executable_symbols target)
   endif()
 endfunction()
 
-
-set (LLVM_TOOLCHAIN_TOOLS
-  llvm-ar
-  llvm-objdump
-  )
+if(NOT LLVM_TOOLCHAIN_TOOLS)
+  set (LLVM_TOOLCHAIN_TOOLS
+    llvm-ar
+    llvm-ranlib
+    llvm-lib
+    llvm-objdump
+    )
+endif()
 
 macro(add_llvm_tool name)
   if( NOT LLVM_BUILD_TOOLS )
@@ -677,7 +698,7 @@ endmacro(add_llvm_example name)
 
 
 macro(add_llvm_utility name)
-  add_llvm_executable(${name} ${ARGN})
+  add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
   set_target_properties(${name} PROPERTIES FOLDER "Utils")
   if( LLVM_INSTALL_UTILS )
     install (TARGETS ${name}
@@ -819,7 +840,7 @@ function(add_unittest test_suite test_name)
 
   add_llvm_executable(${test_name} ${ARGN})
   set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
-  set_output_directory(${test_name} ${outdir} ${outdir})
+  set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir})
   target_link_libraries(${test_name}
     gtest
     gtest_main
@@ -1007,3 +1028,74 @@ function(add_lit_testsuites project directory)
     endforeach()
   endif()
 endfunction()
+
+function(llvm_install_symlink name dest)
+  cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
+  foreach(path ${CMAKE_MODULE_PATH})
+    if(EXISTS ${path}/LLVMInstallSymlink.cmake)
+      set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
+      break()
+    endif()
+  endforeach()
+  
+  if(ARG_ALWAYS_GENERATE)
+    set(component ${dest})
+  else()
+    set(component ${name})
+  endif()
+
+  install(SCRIPT ${INSTALL_SYMLINK}
+          CODE "install_symlink(${name} ${dest})"
+          COMPONENT ${component})
+
+  if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
+    add_custom_target(install-${name}
+                      DEPENDS ${name} ${dest} install-${dest}
+                      COMMAND "${CMAKE_COMMAND}"
+                              -DCMAKE_INSTALL_COMPONENT=${name}
+                              -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
+  endif()
+endfunction()
+
+function(add_llvm_tool_symlink name dest)
+  cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
+  if(UNIX)
+    set(LLVM_LINK_OR_COPY create_symlink)
+    set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}")
+  else()
+    set(LLVM_LINK_OR_COPY copy)
+    set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}")
+  endif()
+
+  set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}")
+
+  if(ARG_ALWAYS_GENERATE)
+    set_property(DIRECTORY APPEND PROPERTY
+      ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
+    add_custom_command(TARGET ${dest} POST_BUILD
+      COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
+  else()
+    add_custom_command(OUTPUT ${output_path}
+                     COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
+                     DEPENDS ${dest})
+    add_custom_target(${name} ALL DEPENDS ${output_path})
+    set_target_properties(${name} PROPERTIES FOLDER Tools)
+
+    # Make sure the parent tool is a toolchain tool, otherwise exclude this tool
+    list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
+    if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
+      set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
+    else()
+      list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
+    endif()
+
+    # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
+    # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
+    if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+      if( LLVM_BUILD_TOOLS )
+        llvm_install_symlink(${name} ${dest})
+      endif()
+    endif()
+  endif()
+endfunction()
+