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[NFCI] Remove unused variables and enable -Wunused-variable (#1483)

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Remove unused variables throughout the code base and enable the
`-Wunused-variable` warning flag globally to prevent new unused
variable issues being introduced in the future.

This is mostly a non-functional change, with one exception:

 - In `test_conformance/api/test_kernel_arg_info.cpp`, an error check
   of the clGetDeviceInfo return value was added.

Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>
This commit is contained in:
Sven van Haastregt
2022-09-08 12:54:36 +01:00
committed by GitHub
parent fec9d9a238
commit 6554c49018
49 changed files with 29 additions and 112 deletions
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CMakeLists.txt
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@@ -89,6 +89,7 @@ endmacro(add_cxx_flag_if_supported)
if(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?Clang")
add_cxx_flag_if_supported(-Wmisleading-indentation)
add_cxx_flag_if_supported(-Wunused-variable)
add_cxx_flag_if_supported(-Wno-narrowing)
add_cxx_flag_if_supported(-Wno-format)
add_cxx_flag_if_supported(-Werror)