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Disable warnings related to anonymous types in the ObjC plugin

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This part of lldb make use of anonymous structs and unions. The usage is
idiomatic and doesn't deserve a warning. Logic in the NSDictionary and NSSet
plugins use anonymous structs in a manner consistent with the relevant Apple
frameworks.

Differential Revision: https://reviews.llvm.org/D40757

llvm-svn: 320071
This commit is contained in:
Vedant Kumar 2017-12-07 18:57:09 +00:00
parent f9f2abe7bd
commit 9df6e0a5ea
3 changed files with 24 additions and 1 deletions
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7
lldb/cmake/modules/AddLLDB.cmake
View File

@ -4,7 +4,7 @@ function(add_lldb_library name)
cmake_parse_arguments(PARAM
"MODULE;SHARED;STATIC;OBJECT;PLUGIN"
""
"DEPENDS;LINK_LIBS;LINK_COMPONENTS"
"EXTRA_CXXFLAGS;DEPENDS;LINK_LIBS;LINK_COMPONENTS"
${ARGN})
llvm_process_sources(srcs ${PARAM_UNPARSED_ARGUMENTS})
list(APPEND LLVM_LINK_COMPONENTS ${PARAM_LINK_COMPONENTS})
@ -35,6 +35,8 @@ function(add_lldb_library name)
endif()
#PIC not needed on Win
# FIXME: Setting CMAKE_CXX_FLAGS here is a no-op, use target_compile_options
# or omit this logic instead.
if (NOT WIN32)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
endif()
@ -78,6 +80,9 @@ function(add_lldb_library name)
# headers without negatively impacting much of anything.
add_dependencies(${name} clang-tablegen-targets)
# Add in any extra C++ compilation flags for this library.
target_compile_options(${name} PRIVATE ${PARAM_EXTRA_CXXFLAGS})
set_target_properties(${name} PROPERTIES FOLDER "lldb libraries")
endfunction(add_lldb_library)

6
lldb/cmake/modules/LLDBConfig.cmake
View File

@ -231,6 +231,12 @@ if (CXX_SUPPORTS_NO_VLA_EXTENSION)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-vla-extension")
endif ()
check_cxx_compiler_flag("-Wno-gnu-anonymous-struct"
CXX_SUPPORTS_NO_GNU_ANONYMOUS_STRUCT)
check_cxx_compiler_flag("-Wno-nested-anon-types"
CXX_SUPPORTS_NO_NESTED_ANON_TYPES)
# Disable MSVC warnings
if( MSVC )
add_definitions(

12
lldb/source/Plugins/Language/ObjC/CMakeLists.txt
View File

@ -1,3 +1,13 @@
set(EXTRA_CXXFLAGS "")
if (CXX_SUPPORTS_NO_GNU_ANONYMOUS_STRUCT)
set(EXTRA_CXXFLAGS ${EXTRA_CXXFLAGS} -Wno-gnu-anonymous-struct)
endif ()
if (CXX_SUPPORTS_NO_NESTED_ANON_TYPES)
set(EXTRA_CXXFLAGS ${EXTRA_CXXFLAGS} -Wno-nested-anon-types)
endif ()
add_lldb_library(lldbPluginObjCLanguage PLUGIN
ObjCLanguage.cpp
CF.cpp
@ -21,4 +31,6 @@ add_lldb_library(lldbPluginObjCLanguage PLUGIN
lldbTarget
lldbUtility
lldbPluginAppleObjCRuntime
EXTRA_CXXFLAGS ${EXTRA_CXXFLAGS}
)