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Merge pull request #3147 from gocarlos/gocarlos-patch-1
cmake: add option to treat compiler warnings as errors
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commit
924a1f2f47
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@ -34,6 +34,9 @@ massif-*
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# CMake generates *.dir/ folders for in-tree builds (used by MSVC projects), ignore all of those:
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*.dir/
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# Microsoft CMake extension for Visual Studio Code generates a build directory by default
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/build/
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# Visual Studio artifacts
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/visualc/VS2010/.localhistory/
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/visualc/VS2010/.vs/
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@ -14,6 +14,7 @@ option(ENABLE_ZLIB_SUPPORT "Build mbed TLS with zlib library." OFF)
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option(ENABLE_PROGRAMS "Build mbed TLS programs." ON)
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option(UNSAFE_BUILD "Allow unsafe builds. These builds ARE NOT SECURE." OFF)
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option(MBEDTLS_FATAL_WARNINGS "Compiler warnings treated as errors" ON)
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string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
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string(REGEX MATCH "GNU" CMAKE_COMPILER_IS_GNU "${CMAKE_C_COMPILER_ID}")
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@ -140,9 +141,9 @@ if(CMAKE_COMPILER_IS_GNU)
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set(CMAKE_C_FLAGS_RELEASE "-O2")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
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set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
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set(CMAKE_C_FLAGS_ASAN "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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set(CMAKE_C_FLAGS_ASANDBG "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_CHECK "-Werror -Os")
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set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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set(CMAKE_C_FLAGS_ASANDBG "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_CHECK "-Os")
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set(CMAKE_C_FLAGS_CHECKFULL "${CMAKE_C_FLAGS_CHECK} -Wcast-qual")
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endif(CMAKE_COMPILER_IS_GNU)
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@ -151,11 +152,11 @@ if(CMAKE_COMPILER_IS_CLANG)
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set(CMAKE_C_FLAGS_RELEASE "-O2")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
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set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
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set(CMAKE_C_FLAGS_ASAN "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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set(CMAKE_C_FLAGS_ASANDBG "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_MEMSAN "-Werror -fsanitize=memory -O3")
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set(CMAKE_C_FLAGS_MEMSANDBG "-Werror -fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2")
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set(CMAKE_C_FLAGS_CHECK "-Werror -Os")
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set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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set(CMAKE_C_FLAGS_ASANDBG "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_MEMSAN "-fsanitize=memory -O3")
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set(CMAKE_C_FLAGS_MEMSANDBG "-fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2")
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set(CMAKE_C_FLAGS_CHECK "-Os")
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endif(CMAKE_COMPILER_IS_CLANG)
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if(CMAKE_COMPILER_IS_IAR)
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@ -163,11 +164,25 @@ if(CMAKE_COMPILER_IS_IAR)
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endif(CMAKE_COMPILER_IS_IAR)
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if(CMAKE_COMPILER_IS_MSVC)
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# Strictest warnings, and treat as errors
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# Strictest warnings
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
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endif(CMAKE_COMPILER_IS_MSVC)
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if(MBEDTLS_FATAL_WARNINGS)
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if(CMAKE_COMPILER_IS_MSVC)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
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endif(CMAKE_COMPILER_IS_MSVC)
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if(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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if(UNSAFE_BUILD)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=cpp")
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set(CMAKE_C_FLAGS_ASAN "${CMAKE_C_FLAGS_ASAN} -Wno-error=cpp")
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set(CMAKE_C_FLAGS_ASANDBG "${CMAKE_C_FLAGS_ASANDBG} -Wno-error=cpp")
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endif(UNSAFE_BUILD)
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endif(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
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endif(MBEDTLS_FATAL_WARNINGS)
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if(CMAKE_BUILD_TYPE STREQUAL "Coverage")
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if(CMAKE_COMPILER_IS_GNU OR CMAKE_COMPILER_IS_CLANG)
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set(CMAKE_SHARED_LINKER_FLAGS "--coverage")
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@ -85,11 +85,11 @@ In order to build the source using CMake in a separate directory (recommended),
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mkdir /path/to/build_dir && cd /path/to/build_dir
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cmake /path/to/mbedtls_source
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make
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cmake --build .
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In order to run the tests, enter:
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make test
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ctest
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The test suites need Python to be built and Perl to be executed. If you don't have one of these installed, you'll want to disable the test suites with:
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@ -113,12 +113,6 @@ if(CMAKE_COMPILER_IS_CLANG)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes -Wdocumentation -Wno-documentation-deprecated-sync -Wunreachable-code")
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endif(CMAKE_COMPILER_IS_CLANG)
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if(UNSAFE_BUILD)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error")
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set(CMAKE_C_FLAGS_ASAN "${CMAKE_C_FLAGS_ASAN} -Wno-error")
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set(CMAKE_C_FLAGS_ASANDBG "${CMAKE_C_FLAGS_ASANDBG} -Wno-error")
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endif(UNSAFE_BUILD)
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if(WIN32)
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set(libs ${libs} ws2_32)
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endif(WIN32)
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