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build: add option to treat compiler warnings as errors

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Signed-off-by: Carlos Gomes Martinho <carlos.gomes_martinho@siemens.com>
This commit is contained in:
Carlos Gomes Martinho 2020-04-03 09:42:37 +02:00
parent f64db80448
commit a5f0bd34b6
2 changed files with 21 additions and 17 deletions
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32
CMakeLists.txt
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@ -14,6 +14,7 @@ option(ENABLE_ZLIB_SUPPORT "Build mbed TLS with zlib library." OFF)
option(ENABLE_PROGRAMS "Build mbed TLS programs." ON) option(ENABLE_PROGRAMS "Build mbed TLS programs." ON)
option(UNSAFE_BUILD "Allow unsafe builds. These builds ARE NOT SECURE." OFF) option(UNSAFE_BUILD "Allow unsafe builds. These builds ARE NOT SECURE." OFF)
option(MBEDTLS_FATAL_WARNINGS "Compiler warnings treated as errors" ON)
string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}") string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
string(REGEX MATCH "GNU" CMAKE_COMPILER_IS_GNU "${CMAKE_C_COMPILER_ID}") string(REGEX MATCH "GNU" CMAKE_COMPILER_IS_GNU "${CMAKE_C_COMPILER_ID}")
@ -140,9 +141,9 @@ if(CMAKE_COMPILER_IS_GNU)
set(CMAKE_C_FLAGS_RELEASE "-O2") set(CMAKE_C_FLAGS_RELEASE "-O2")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g3") set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage") set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
set(CMAKE_C_FLAGS_ASAN "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3") set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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") 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")
set(CMAKE_C_FLAGS_CHECK "-Werror -Os") set(CMAKE_C_FLAGS_CHECK "-Os")
set(CMAKE_C_FLAGS_CHECKFULL "${CMAKE_C_FLAGS_CHECK} -Wcast-qual") set(CMAKE_C_FLAGS_CHECKFULL "${CMAKE_C_FLAGS_CHECK} -Wcast-qual")
endif(CMAKE_COMPILER_IS_GNU) endif(CMAKE_COMPILER_IS_GNU)
@ -151,23 +152,32 @@ if(CMAKE_COMPILER_IS_CLANG)
set(CMAKE_C_FLAGS_RELEASE "-O2") set(CMAKE_C_FLAGS_RELEASE "-O2")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g3") set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage") set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
set(CMAKE_C_FLAGS_ASAN "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3") set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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") 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")
set(CMAKE_C_FLAGS_MEMSAN "-Werror -fsanitize=memory -O3") set(CMAKE_C_FLAGS_MEMSAN "-fsanitize=memory -O3")
set(CMAKE_C_FLAGS_MEMSANDBG "-Werror -fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2") set(CMAKE_C_FLAGS_MEMSANDBG "-fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2")
set(CMAKE_C_FLAGS_CHECK "-Werror -Os") set(CMAKE_C_FLAGS_CHECK "-Os")
endif(CMAKE_COMPILER_IS_CLANG) endif(CMAKE_COMPILER_IS_CLANG)
if(CMAKE_COMPILER_IS_IAR) if(CMAKE_COMPILER_IS_IAR)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --warn_about_c_style_casts --warnings_are_errors -Ohz") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --warn_about_c_style_casts --warnings_are_errors -Ohz")
endif(CMAKE_COMPILER_IS_IAR) endif(CMAKE_COMPILER_IS_IAR)
if(CMAKE_COMPILER_IS_MSVC AND NOT UNSAFE_BUILD) if(CMAKE_COMPILER_IS_MSVC)
# Strictest warnings, and treat as errors # Strictest warnings
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
endif(CMAKE_COMPILER_IS_MSVC) endif(CMAKE_COMPILER_IS_MSVC)
if(MBEDTLS_FATAL_WARNINGS)
if(CMAKE_COMPILER_IS_MSVC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
endif(CMAKE_COMPILER_IS_MSVC)
if(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
endif(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
endif(MBEDTLS_FATAL_WARNINGS)
if(CMAKE_BUILD_TYPE STREQUAL "Coverage") if(CMAKE_BUILD_TYPE STREQUAL "Coverage")
if(CMAKE_COMPILER_IS_GNU OR CMAKE_COMPILER_IS_CLANG) if(CMAKE_COMPILER_IS_GNU OR CMAKE_COMPILER_IS_CLANG)
set(CMAKE_SHARED_LINKER_FLAGS "--coverage") set(CMAKE_SHARED_LINKER_FLAGS "--coverage")

6
library/CMakeLists.txt
View File

@ -113,12 +113,6 @@ if(CMAKE_COMPILER_IS_CLANG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes -Wdocumentation -Wno-documentation-deprecated-sync -Wunreachable-code") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes -Wdocumentation -Wno-documentation-deprecated-sync -Wunreachable-code")
endif(CMAKE_COMPILER_IS_CLANG) endif(CMAKE_COMPILER_IS_CLANG)
if(UNSAFE_BUILD)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error")
set(CMAKE_C_FLAGS_ASAN "${CMAKE_C_FLAGS_ASAN} -Wno-error")
set(CMAKE_C_FLAGS_ASANDBG "${CMAKE_C_FLAGS_ASANDBG} -Wno-error")
endif(UNSAFE_BUILD)
if(WIN32) if(WIN32)
set(libs ${libs} ws2_32) set(libs ${libs} ws2_32)
endif(WIN32) endif(WIN32)