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Add printf warning flags to CMake Build

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Add extra printf warning flags into the cmake build, only adding those
that are supported by each version of the compiler

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2020-12-09 14:34:47 +00:00
parent 17605f072b
commit ea32d55623
1 changed files with 8 additions and 1 deletions
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9
CMakeLists.txt
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@ -179,6 +179,9 @@ if(CMAKE_COMPILER_IS_GNU)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
OUTPUT_VARIABLE GCC_VERSION)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings")
if (GCC_VERSION VERSION_GREATER 3.0 OR GCC_VERSION VERSION_EQUAL 3.0)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wformat=2 -Wno-format-nonliteral")
endif()
if (GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wvla")
endif()
@ -194,6 +197,10 @@ if(CMAKE_COMPILER_IS_GNU)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wformat-signedness")
endif()
endif()
if (GCC_VERSION VERSION_GREATER 7.0 OR GCC_VERSION VERSION_EQUAL 7.0)
# Cannot use -Wformat-truncation=2 as this fails on mbedtls_snprintf (unknown buffer size)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wformat-overflow=2 -Wformat-truncation")
endif()
set(CMAKE_C_FLAGS_RELEASE "-O2")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
@ -204,7 +211,7 @@ if(CMAKE_COMPILER_IS_GNU)
endif(CMAKE_COMPILER_IS_GNU)
if(CMAKE_COMPILER_IS_CLANG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral")
set(CMAKE_C_FLAGS_RELEASE "-O2")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")