lwip/contrib/ports/CMakeCommon.cmake

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CMake
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if(NOT ${CMAKE_VERSION} VERSION_LESS "3.10.0")
include_guard(GLOBAL)
endif()
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "CMAKE_BUILD_TYPE not set - defaulting to Debug build.")
set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build, options are: ${CMAKE_CONFIGURATION_TYPES}." FORCE)
endif()
message (STATUS "Build type: ${CMAKE_BUILD_TYPE}")
set(LWIP_CONTRIB_DIR ${LWIP_DIR}/contrib)
# ARM mbedtls support https://tls.mbed.org/
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if(NOT DEFINED LWIP_MBEDTLSDIR)
set(LWIP_MBEDTLSDIR ${LWIP_DIR}/../mbedtls)
message(STATUS "LWIP_MBEDTLSDIR not set - using default location ${LWIP_MBEDTLSDIR}")
endif()
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if(EXISTS ${LWIP_MBEDTLSDIR}/CMakeLists.txt)
set(LWIP_HAVE_MBEDTLS ON BOOL)
# Prevent building MBEDTLS programs and tests
set(ENABLE_PROGRAMS OFF CACHE BOOL "")
set(ENABLE_TESTING OFF CACHE BOOL "")
# mbedtls uses cmake. Sweet!
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add_subdirectory(${LWIP_MBEDTLSDIR} mbedtls)
set (LWIP_MBEDTLS_DEFINITIONS
LWIP_HAVE_MBEDTLS=1
)
set (LWIP_MBEDTLS_INCLUDE_DIRS
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${LWIP_MBEDTLSDIR}/include
)
set (LWIP_MBEDTLS_LINK_LIBRARIES
mbedtls
mbedcrypto
mbedx509
)
endif()
set(LWIP_COMPILER_FLAGS_GNU_CLANG
$<$<CONFIG:Debug>:-Og>
$<$<CONFIG:Debug>:-g>
$<$<CONFIG:Release>:-O3>
-Wall
-pedantic
-Werror
-Wparentheses
-Wsequence-point
-Wswitch-default
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-Wextra
-Wundef
-Wshadow
-Wpointer-arith
-Wcast-qual
$<$<COMPILE_LANGUAGE:C>:-Wc++-compat>
-Wwrite-strings
$<$<COMPILE_LANGUAGE:C>:-Wold-style-definition>
-Wcast-align
$<$<COMPILE_LANGUAGE:C>:-Wmissing-prototypes>
$<$<COMPILE_LANGUAGE:C>:-Wnested-externs>
-Wunreachable-code
-Wuninitialized
-Wmissing-prototypes
-Waggregate-return
-Wlogical-not-parentheses
)
if (NOT LWIP_HAVE_MBEDTLS)
list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
-Wredundant-decls
)
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
-Wlogical-op
-Wtrampolines
)
if (NOT LWIP_HAVE_MBEDTLS)
list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
$<$<COMPILE_LANGUAGE:C>:-Wc90-c99-compat>
)
endif()
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9)
if(LWIP_USE_SANITIZERS)
list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
-fsanitize=address
-fsanitize=undefined
-fno-sanitize=alignment
-fstack-protector
-fstack-check
)
set(LWIP_SANITIZER_LIBS asan ubsan)
endif()
endif()
set(LWIP_COMPILER_FLAGS ${LWIP_COMPILER_FLAGS_GNU_CLANG})
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
-Wdocumentation
-Wno-documentation-deprecated-sync
)
if(LWIP_USE_SANITIZERS)
list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
-fsanitize=address
-fsanitize=undefined
-fno-sanitize=alignment
)
set(LWIP_SANITIZER_LIBS asan ubsan)
endif()
set(LWIP_COMPILER_FLAGS ${LWIP_COMPILER_FLAGS_GNU_CLANG})
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
set(LWIP_COMPILER_FLAGS
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$<$<CONFIG:Debug>:/Od>
$<$<CONFIG:Release>:/Ox>
/Wall
/WX
)
endif()