[libcxx-commits] [libcxx] 97a0f80 - Revert "Try enabling -Wsuggest-override again, using add_compile_options instead of add_compile_definitions for disabling it in unittests/ directories."

Logan Smith via libcxx-commits libcxx-commits at lists.llvm.org
Wed Jul 22 15:07:10 PDT 2020 

Author: Logan Smith
Date: 2020-07-22T15:07:01-07:00
New Revision: 97a0f80c469c338e9173355e9f8a0a977adfe266

URL: https://github.com/llvm/llvm-project/commit/97a0f80c469c338e9173355e9f8a0a977adfe266
DIFF: https://github.com/llvm/llvm-project/commit/97a0f80c469c338e9173355e9f8a0a977adfe266.diff

LOG: Revert "Try enabling -Wsuggest-override again, using add_compile_options instead of add_compile_definitions for disabling it in unittests/ directories."

This reverts commit 388c9fb1af48b059d8b65cb2e002e0992d147aa5.

Added: 
    

Modified: 
    clang-tools-extra/clangd/unittests/CMakeLists.txt
    clang-tools-extra/unittests/CMakeLists.txt
    clang/unittests/CMakeLists.txt
    compiler-rt/cmake/Modules/AddCompilerRT.cmake
    compiler-rt/cmake/config-ix.cmake
    flang/unittests/CMakeLists.txt
    libcxx/CMakeLists.txt
    libcxxabi/CMakeLists.txt
    lld/unittests/CMakeLists.txt
    lldb/unittests/CMakeLists.txt
    llvm/cmake/modules/HandleLLVMOptions.cmake
    llvm/lib/Testing/Support/CMakeLists.txt
    llvm/unittests/CMakeLists.txt
    llvm/utils/benchmark/CMakeLists.txt
    llvm/utils/unittest/CMakeLists.txt
    mlir/unittests/CMakeLists.txt
    parallel-libs/acxxel/CMakeLists.txt
    polly/unittests/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/clang-tools-extra/clangd/unittests/CMakeLists.txt b/clang-tools-extra/clangd/unittests/CMakeLists.txt
index b4514e95c9e5..c25e2b7f8103 100644
--- a/clang-tools-extra/clangd/unittests/CMakeLists.txt
+++ b/clang-tools-extra/clangd/unittests/CMakeLists.txt
@@ -22,10 +22,6 @@ if(CLANG_BUILT_STANDALONE)
   endif()
 endif()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 if (CLANGD_ENABLE_REMOTE)
   include_directories(${CMAKE_CURRENT_BINARY_DIR}/../index/remote)
   add_definitions(-DGOOGLE_PROTOBUF_NO_RTTI=1)

diff  --git a/clang-tools-extra/unittests/CMakeLists.txt b/clang-tools-extra/unittests/CMakeLists.txt
index 72abe0fa6d0c..086a68e63830 100644
--- a/clang-tools-extra/unittests/CMakeLists.txt
+++ b/clang-tools-extra/unittests/CMakeLists.txt
@@ -5,10 +5,6 @@ function(add_extra_unittest test_dirname)
   add_unittest(ExtraToolsUnitTests ${test_dirname} ${ARGN})
 endfunction()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 add_subdirectory(clang-apply-replacements)
 add_subdirectory(clang-change-namespace)
 add_subdirectory(clang-doc)

diff  --git a/clang/unittests/CMakeLists.txt b/clang/unittests/CMakeLists.txt
index f156372cbc4f..4c222e24599f 100644
--- a/clang/unittests/CMakeLists.txt
+++ b/clang/unittests/CMakeLists.txt
@@ -10,10 +10,6 @@ if(CLANG_BUILT_STANDALONE)
   endif()
 endif()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 # add_clang_unittest(test_dirname file1.cpp file2.cpp)
 #
 # Will compile the list of files together and link against the clang

diff  --git a/compiler-rt/cmake/Modules/AddCompilerRT.cmake b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
index efb660818270..dab55707338a 100644
--- a/compiler-rt/cmake/Modules/AddCompilerRT.cmake
+++ b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
@@ -403,7 +403,6 @@ set(COMPILER_RT_GMOCK_CFLAGS
 
 append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG -Wno-covered-switch-default COMPILER_RT_UNITTEST_CFLAGS)
-append_list_if(COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG -Wno-suggest-override COMPILER_RT_UNITTEST_CFLAGS)
 
 if(MSVC)
   # gtest use a lot of stuff marked as deprecated on Windows.

diff  --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index 0a27910ed494..f535123351d6 100644
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -106,7 +106,6 @@ check_cxx_compiler_flag("-Werror -Wnon-virtual-dtor"   COMPILER_RT_HAS_WNON_VIRT
 check_cxx_compiler_flag("-Werror -Wvariadic-macros"    COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG)
 check_cxx_compiler_flag("-Werror -Wunused-parameter"   COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG)
 check_cxx_compiler_flag("-Werror -Wcovered-switch-default" COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG)
-check_cxx_compiler_flag("-Werror -Wsuggest-override"   COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG)
 check_cxx_compiler_flag(-Wno-pedantic COMPILER_RT_HAS_WNO_PEDANTIC)
 
 check_cxx_compiler_flag(/W4 COMPILER_RT_HAS_W4_FLAG)

diff  --git a/flang/unittests/CMakeLists.txt b/flang/unittests/CMakeLists.txt
index 21da59f3afcb..d53d155f2f2b 100644
--- a/flang/unittests/CMakeLists.txt
+++ b/flang/unittests/CMakeLists.txt
@@ -5,10 +5,6 @@ function(add_flang_unittest test_dirname)
   add_unittest(FlangUnitTests ${test_dirname} ${ARGN})
 endfunction()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 add_subdirectory(Optimizer)
 add_subdirectory(Decimal)
 add_subdirectory(Evaluate)

diff  --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
index 5fa3b66c99a7..bf2ae67ecd5c 100644
--- a/libcxx/CMakeLists.txt
+++ b/libcxx/CMakeLists.txt
@@ -578,7 +578,6 @@ function(cxx_add_warning_flags target)
     target_add_compile_flags_if_supported(${target} PRIVATE
       -Wno-user-defined-literals
       -Wno-covered-switch-default
-      -Wno-suggest-override
       -Wno-ignored-attributes # FIXME: Caused by _LIBCPP_NODEBUG_TYPE not being supported on older clangs
     )
     if (LIBCXX_TARGETING_CLANG_CL)
@@ -603,8 +602,7 @@ function(cxx_add_warning_flags target)
     target_add_compile_flags_if_supported(${target} PRIVATE
       -Wno-literal-suffix
       -Wno-c++14-compat
-      -Wno-noexcept-type
-      -Wno-suggest-override)
+      -Wno-noexcept-type)
   endif()
   if (LIBCXX_ENABLE_WERROR)
     target_add_compile_flags_if_supported(${target} PRIVATE -Werror)

diff  --git a/libcxxabi/CMakeLists.txt b/libcxxabi/CMakeLists.txt
index 96a1c625222a..534ef7e8c847 100644
--- a/libcxxabi/CMakeLists.txt
+++ b/libcxxabi/CMakeLists.txt
@@ -283,8 +283,6 @@ add_compile_flags_if_supported(-Wunused-variable)
 add_compile_flags_if_supported(-Wwrite-strings)
 add_compile_flags_if_supported(-Wundef)
 
-add_compile_flags_if_supported(-Wno-suggest-override)
-
 if (LIBCXXABI_ENABLE_WERROR)
   add_compile_flags_if_supported(-Werror)
   add_compile_flags_if_supported(-WX)

diff  --git a/lld/unittests/CMakeLists.txt b/lld/unittests/CMakeLists.txt
index 88cb85a08401..84d35d43f4e8 100644
--- a/lld/unittests/CMakeLists.txt
+++ b/lld/unittests/CMakeLists.txt
@@ -12,9 +12,5 @@ function(add_lld_unittest test_dirname)
   target_link_libraries(${test_dirname} ${LLVM_COMMON_LIBS})
 endfunction()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 add_subdirectory(DriverTests)
 add_subdirectory(MachOTests)

diff  --git a/lldb/unittests/CMakeLists.txt b/lldb/unittests/CMakeLists.txt
index 37a5f972cdec..6422b726ca69 100644
--- a/lldb/unittests/CMakeLists.txt
+++ b/lldb/unittests/CMakeLists.txt
@@ -5,10 +5,6 @@ add_dependencies(lldb-test-deps LLDBUnitTests)
 include_directories(${LLDB_SOURCE_ROOT})
 include_directories(${LLDB_PROJECT_ROOT}/unittests)
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 set(LLDB_GTEST_COMMON_INCLUDE ${CMAKE_CURRENT_SOURCE_DIR}/gtest_common.h)
 if (MSVC)
   list(APPEND LLVM_COMPILE_FLAGS /FI ${LLDB_GTEST_COMMON_INCLUDE})

diff  --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
index 62dd0ef79cf4..2e249593e12f 100644
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -672,21 +672,6 @@ if (LLVM_ENABLE_WARNINGS AND (LLVM_COMPILER_IS_GCC_COMPATIBLE OR CLANG_CL))
   # Enable -Wdelete-non-virtual-dtor if available.
   add_flag_if_supported("-Wdelete-non-virtual-dtor" DELETE_NON_VIRTUAL_DTOR_FLAG)
 
-  # Enable -Wsuggest-override if it's available, and only if it doesn't
-  # suggest adding 'override' to functions that are already marked 'final'
-  # (which means it is disabled for GCC < 9.2).
-  check_cxx_compiler_flag("-Wsuggest-override" CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-    set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
-    set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=suggest-override")
-    CHECK_CXX_SOURCE_COMPILES("class base {public: virtual void anchor();};
-                               class derived : base {public: void anchor() final;};
-                               int main() { return 0; }"
-                              CXX_WSUGGEST_OVERRIDE_ALLOWS_ONLY_FINAL)
-    set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
-    append_if(CXX_WSUGGEST_OVERRIDE_ALLOWS_ONLY_FINAL "-Wsuggest-override" CMAKE_CXX_FLAGS)
-  endif()
-
   # Check if -Wcomment is OK with an // comment ending with '\' if the next
   # line is also a // comment.
   set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})

diff  --git a/llvm/lib/Testing/Support/CMakeLists.txt b/llvm/lib/Testing/Support/CMakeLists.txt
index 57793c4b7f36..fe460aeefc91 100644
--- a/llvm/lib/Testing/Support/CMakeLists.txt
+++ b/llvm/lib/Testing/Support/CMakeLists.txt
@@ -15,10 +15,6 @@ add_llvm_library(LLVMTestingSupport
   Support
   )
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include)
 target_link_libraries(LLVMTestingSupport PRIVATE gtest)

diff  --git a/llvm/unittests/CMakeLists.txt b/llvm/unittests/CMakeLists.txt
index e90f07448c10..d7dbaeaa32fe 100644
--- a/llvm/unittests/CMakeLists.txt
+++ b/llvm/unittests/CMakeLists.txt
@@ -14,10 +14,6 @@ function(add_llvm_target_unittest test_dir_name)
   add_llvm_unittest(${test_dir_name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
 endfunction()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 add_subdirectory(ADT)
 add_subdirectory(Analysis)
 add_subdirectory(AsmParser)

diff  --git a/llvm/utils/benchmark/CMakeLists.txt b/llvm/utils/benchmark/CMakeLists.txt
index 3a80b906d5cc..542c70ca4948 100644
--- a/llvm/utils/benchmark/CMakeLists.txt
+++ b/llvm/utils/benchmark/CMakeLists.txt
@@ -156,10 +156,6 @@ else()
     add_cxx_compiler_flag(-fno-exceptions)
   endif()
 
-  if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-    add_cxx_compiler_flag(-Wno-suggest-override)
-  endif()
-
   if (HAVE_CXX_FLAG_FSTRICT_ALIASING)
     if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel") #ICC17u2: Many false positives for Wstrict-aliasing
       add_cxx_compiler_flag(-Wstrict-aliasing)

diff  --git a/llvm/utils/unittest/CMakeLists.txt b/llvm/utils/unittest/CMakeLists.txt
index 36761a60d9f7..5aad048f2c35 100644
--- a/llvm/utils/unittest/CMakeLists.txt
+++ b/llvm/utils/unittest/CMakeLists.txt
@@ -43,9 +43,6 @@ endif()
 if(CXX_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG)
   add_definitions("-Wno-covered-switch-default")
 endif()
-if(CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_definitions("-Wno-suggest-override")
-endif()
 
 set(LLVM_REQUIRES_RTTI 1)
 add_definitions( -DGTEST_HAS_RTTI=0 )

diff  --git a/mlir/unittests/CMakeLists.txt b/mlir/unittests/CMakeLists.txt
index 1dc07413a885..851092c5b56a 100644
--- a/mlir/unittests/CMakeLists.txt
+++ b/mlir/unittests/CMakeLists.txt
@@ -5,10 +5,6 @@ function(add_mlir_unittest test_dirname)
   add_unittest(MLIRUnitTests ${test_dirname} ${ARGN})
 endfunction()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 add_subdirectory(Analysis)
 add_subdirectory(Dialect)
 add_subdirectory(IR)

diff  --git a/parallel-libs/acxxel/CMakeLists.txt b/parallel-libs/acxxel/CMakeLists.txt
index 6391c731903b..7e71446107a5 100644
--- a/parallel-libs/acxxel/CMakeLists.txt
+++ b/parallel-libs/acxxel/CMakeLists.txt
@@ -36,9 +36,6 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # Add warning flags.
 set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -Wall -Wextra")
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-    add_compile_options("-Wno-suggest-override")
-endif()
 
 add_library(
     acxxel

diff  --git a/polly/unittests/CMakeLists.txt b/polly/unittests/CMakeLists.txt
index 1a6881fde3fd..fac70383de94 100644
--- a/polly/unittests/CMakeLists.txt
+++ b/polly/unittests/CMakeLists.txt
@@ -19,10 +19,6 @@ function(add_polly_unittest test_name)
   target_link_libraries(${test_name} PRIVATE Polly)
 endfunction()
 
-if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
-  add_compile_options("-Wno-suggest-override")
-endif()
-
 add_subdirectory(Isl)
 add_subdirectory(Flatten)
 add_subdirectory(DeLICM)

More information about the libcxx-commits mailing list