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Disable -Wunused-lambda-capture on clang.

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In a nutshell, capturing a local "const constexpr int foo;" variable
with [foo](){} warns on clang that the program would be valid even if
the square brackets had been left empty, but making them so warns on
VC15.  See
https://stackoverflow.com/questions/52416362/unused-lambda-capture-warning-when-capture-is-actually-used

Disable the warning since explicitly capturing foo is good practice.
This commit is contained in:
josteph 2019-05-22 17:18:09 +00:00
parent d451238b25
commit d76a7ba5d0
2 changed files with 2 additions and 2 deletions
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2
CMakeLists.txt
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@ -203,7 +203,7 @@ endif(NOT DEFINED CXX_FLAGS_USER)
set(COMPILER_FLAGS "-std=c++${CXX_STD} -Wall -Wextra -Werror=non-virtual-dtor -Wno-unused-local-typedefs -Wno-maybe-uninitialized -Wold-style-cast -Wtrampolines")
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(COMPILER_FLAGS "${COMPILER_FLAGS} -Qunused-arguments -Wno-unknown-warning-option -Wmismatched-tags -Wno-conditional-uninitialized")
set(COMPILER_FLAGS "${COMPILER_FLAGS} -Qunused-arguments -Wno-unknown-warning-option -Wmismatched-tags -Wno-conditional-uninitialized -Wno-unused-lambda-capture")
endif()
### Set strict compiler flags.

2
SConstruct
View file

@ -482,7 +482,7 @@ for env in [test_env, client_env, env]:
if "clang" in env["CXX"]:
# Silence warnings about unused -I options and unknown warning switches.
env.AppendUnique(CCFLAGS = Split("-Qunused-arguments -Wno-unknown-warning-option -Wmismatched-tags -Wno-conditional-uninitialized"))
env.AppendUnique(CCFLAGS = Split("-Qunused-arguments -Wno-unknown-warning-option -Wmismatched-tags -Wno-conditional-uninitialized -Wno-unused-lambda-capture"))
if env['pedantic']:
env.AppendUnique(CXXFLAGS = Split("-Wdocumentation -Wno-documentation-deprecated-sync"))