mirror of
https://gitee.com/zyjblog/oatpp.git
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Merge pull request #816 from fhuberts/compiler-flags-are-for-gcc
Compiler flags are for gcc
This commit is contained in:
Leonid Stryzhevskyi
GitHub
commit
96bff7a7ed
@ -1,5 +1,3 @@
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#cmake_minimum_required(VERSION 3.1)
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###################################################################################################
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## INCLUDES #######################################################################################
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###################################################################################################
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@ -11,6 +9,22 @@ include(CheckCXXCompilerFlag)
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## FUNCTIONS ######################################################################################
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###################################################################################################
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#
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# Add compiler flags without test (assume they are supported)
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#
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function(add_cxx_compiler_flags_no_test var)
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foreach(flag ${ARGN})
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set(${var} "${${var}} ${flag}")
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endforeach()
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set(${var} "${${var}}" PARENT_SCOPE)
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endfunction()
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#
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# Add compiler flags with test (do not assume they are supported)
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#
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function(add_cxx_compiler_flags var)
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foreach(flag ${ARGN})
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string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" flag_var "CXXFLAG_${flag}")
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@ -22,13 +36,30 @@ function(add_cxx_compiler_flags var)
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set(${var} "${${var}}" PARENT_SCOPE)
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endfunction()
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function(add_compiler_flags)
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foreach(flag ${ARGN})
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS ${flag})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
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endforeach()
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#
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# Add compiler flags
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#
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function(add_compiler_flags version)
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL ${version})
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foreach(flag ${ARGN})
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add_cxx_compiler_flags_no_test(CMAKE_CXX_FLAGS ${flag})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
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endforeach()
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else (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL ${version})
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foreach(flag ${ARGN})
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS ${flag})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
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endforeach()
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endif (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL ${version})
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endfunction()
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#
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# Remove compiler flags
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#
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function(remove_any_compiler_flags var)
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foreach(flag ${ARGN})
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string(REPLACE "${flag}" "" ${var} "${${var}}")
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@ -44,6 +75,11 @@ function(remove_compiler_flags)
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endforeach()
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endfunction()
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#
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# Save and Restore compiler flags
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#
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function(save_compiler_flags)
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set(CMAKE_CXX_FLAGS_SAVED "${CMAKE_CXX_FLAGS}" CACHE STRING "Saved compiler C++ flags" FORCE)
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endfunction()
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@ -53,6 +89,7 @@ function(restore_compiler_flags)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
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endfunction()
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###################################################################################################
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## COMPILER FLAGS #################################################################################
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###################################################################################################
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@ -62,158 +99,190 @@ string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
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#
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# Generic flags
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#
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add_compiler_flags("-Wall")
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add_compiler_flags("-Wextra")
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add_compiler_flags("-g3")
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if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_compiler_flags(4.6 "-Wall")
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add_compiler_flags(4.6 "-Wextra")
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endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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#
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# Preserve debug information flags
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#
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if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_compiler_flags(4.6 "-g3")
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endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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#
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# C/C++ Warning Flags
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# See https://github.com/vadz/gcc-warnings-tools for gcc flags and versions
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#
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add_compiler_flags("-Wcast-align") # gcc 4.6.0
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#add_compiler_flags("-Wconversion") # gcc 4.6.0
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#add_compiler_flags("-Wdouble-promotion") # gcc 4.6.0
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add_compiler_flags("-Wformat=2") # gcc 4.6.0
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add_compiler_flags("-Winvalid-pch") # gcc 4.6.0
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add_compiler_flags("-Wmissing-declarations") # gcc 4.6.0
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add_compiler_flags("-Wmissing-format-attribute") # gcc 4.6.0
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add_compiler_flags("-Wmissing-include-dirs") # gcc 4.6.0
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add_compiler_flags("-Wpointer-arith") # gcc 4.6.0
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add_compiler_flags("-Wredundant-decls") # gcc 4.6.0
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#add_compiler_flags("-Wshadow") # gcc 4.6.0
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#add_compiler_flags("-Wsign-conversion") # gcc 4.6.0
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#add_compiler_flags("-Wsuggest-attribute=const") # gcc 4.6.0
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#add_compiler_flags("-Wsuggest-attribute=noreturn") # gcc 4.6.0
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#add_compiler_flags("-Wsuggest-attribute=pure") # gcc 4.6.0
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add_compiler_flags("-Wswitch-default") # gcc 4.6.0
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add_compiler_flags("-Wswitch-enum") # gcc 4.6.0
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add_compiler_flags("-Wtype-limits") # gcc 4.6.0
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add_compiler_flags("-Wundef") # gcc 4.6.0
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add_compiler_flags("-Wuninitialized") # gcc 4.6.0
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add_compiler_flags("-Wunknown-pragmas") # gcc 4.6.0
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add_compiler_flags("-Wunsafe-loop-optimizations") # gcc 4.6.0
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add_compiler_flags("-Wunused-but-set-parameter") # gcc 4.6.0
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add_compiler_flags("-Wunused-but-set-variable") # gcc 4.6.0
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add_compiler_flags("-Wunused-function") # gcc 4.6.0
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add_compiler_flags("-Wunused") # gcc 4.6.0
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add_compiler_flags("-Wunused-label") # gcc 4.6.0
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add_compiler_flags("-Wunused-macros") # gcc 4.6.0
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#add_compiler_flags("-Wunused-parameter") # gcc 4.6.0
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add_compiler_flags("-Wunused-result") # gcc 4.6.0
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add_compiler_flags("-Wunused-value") # gcc 4.6.0
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add_compiler_flags("-Wunused-variable") # gcc 4.6.0
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if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_compiler_flags(4.6 "-Wcast-align")
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#add_compiler_flags(4.6 "-Wconversion")
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#add_compiler_flags(4.6 "-Wdouble-promotion")
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add_compiler_flags(4.6 "-Winvalid-pch")
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add_compiler_flags(4.6 "-Wmissing-declarations")
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add_compiler_flags(4.6 "-Wmissing-format-attribute")
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add_compiler_flags(4.6 "-Wmissing-include-dirs")
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add_compiler_flags(4.6 "-Wpointer-arith")
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add_compiler_flags(4.6 "-Wredundant-decls")
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#add_compiler_flags(4.6 "-Wshadow")
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#add_compiler_flags(4.6 "-Wsign-conversion")
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#add_compiler_flags(4.6 "-Wsuggest-attribute=const")
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#add_compiler_flags(4.6 "-Wsuggest-attribute=noreturn")
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#add_compiler_flags(4.6 "-Wsuggest-attribute=pure")
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add_compiler_flags(4.6 "-Wswitch-default")
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add_compiler_flags(4.6 "-Wswitch-enum")
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add_compiler_flags(4.6 "-Wtype-limits")
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add_compiler_flags(4.6 "-Wundef")
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add_compiler_flags(4.6 "-Wuninitialized")
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add_compiler_flags(4.6 "-Wunknown-pragmas")
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add_compiler_flags(4.6 "-Wunsafe-loop-optimizations")
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add_compiler_flags(4.6 "-Wunused-but-set-parameter")
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add_compiler_flags(4.6 "-Wunused-but-set-variable")
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add_compiler_flags(4.6 "-Wunused-function")
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add_compiler_flags(4.6 "-Wunused")
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add_compiler_flags(4.6 "-Wunused-label")
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add_compiler_flags(4.6 "-Wunused-macros")
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#add_compiler_flags(4.6 "-Wunused-parameter")
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add_compiler_flags(4.6 "-Wunused-result")
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add_compiler_flags(4.6 "-Wunused-value")
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add_compiler_flags(4.6 "-Wunused-variable")
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add_compiler_flags("-Wunused-local-typedefs") # gcc 4.7.0
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add_compiler_flags(4.7 "-Wunused-local-typedefs")
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#add_compiler_flags("-Wsuggest-attribute=format") # gcc 4.8.0
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add_compiler_flags(4.8 "-Wformat=2")
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#add_compiler_flags(4.8 "-Wsuggest-attribute=format")
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add_compiler_flags("-Wformat-signedness") # gcc 5.1.0
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#add_compiler_flags("-Wsuggest-final-methods") # gcc 5.1.0
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#add_compiler_flags("-Wsuggest-final-types") # gcc 5.1.0
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add_compiler_flags(5.1 "-Wformat-signedness")
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#add_compiler_flags(5.1 "-Wsuggest-final-methods")
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#add_compiler_flags(5.1 "-Wsuggest-final-types")
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add_compiler_flags("-Wduplicated-cond") # gcc 6.1.0
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#add_compiler_flags("-Wlogical-op") # gcc 6.1.0
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add_compiler_flags("-Wnull-dereference") # gcc 6.1.0
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add_compiler_flags(6.1 "-Wduplicated-cond")
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#add_compiler_flags(6.1 "-Wlogical-op")
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add_compiler_flags(6.1 "-Wnull-dereference")
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add_compiler_flags("-Wduplicated-branches") # gcc 7.1.0
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add_compiler_flags("-Wformat-overflow=2") # gcc 7.1.0
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add_compiler_flags("-Wformat-truncation=2") # gcc 7.1.0
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add_compiler_flags(7.1 "-Wduplicated-branches")
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add_compiler_flags(7.1 "-Wformat-overflow=2")
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add_compiler_flags(7.1 "-Wformat-truncation=2")
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#add_compiler_flags("-Wcast-align=strict") # gcc 8.1.0
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#add_compiler_flags("-Wsuggest-attribute=cold") # gcc 8.1.0
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add_compiler_flags("-Wsuggest-attribute=malloc") # gcc 8.1.0
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#add_compiler_flags(8.1 "-Wcast-align=strict")
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#add_compiler_flags(8.1 "-Wsuggest-attribute=cold")
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add_compiler_flags(8.1 "-Wsuggest-attribute=malloc")
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#add_compiler_flags("-Warith-conversion") # gcc 10.1.0
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#add_compiler_flags(10.1 "-Warith-conversion")
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add_compiler_flags("-Wctad-maybe-unsupported") # gcc 11.1.0
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add_compiler_flags("-Wdeprecated-enum-enum-conversion") # gcc 11.1.0
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add_compiler_flags("-Wdeprecated-enum-float-conversion") # gcc 11.1.0
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add_compiler_flags("-Winvalid-imported-macros") # gcc 11.1.0
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add_compiler_flags("-Wrange-loop-construct") # gcc 11.1.0
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add_compiler_flags(12.1 "-ftrivial-auto-var-init=zero")
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add_compiler_flags(12.1 "-Warray-compare")
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add_compiler_flags(12.1 "-Wbidi-chars=unpaired,ucn")
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add_compiler_flags(12.1 "-Winfinite-recursion")
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add_compiler_flags(12.1 "-Wopenacc-parallelism")
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add_compiler_flags(12.1 "-Wtrivial-auto-var-init")
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endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_compiler_flags("-Warray-compare") # gcc 12.1.0
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add_compiler_flags("-Wbidi-chars=unpaired,ucn") # gcc 12.1.0
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add_compiler_flags("-Winfinite-recursion") # gcc 12.1.0
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add_compiler_flags("-Wopenacc-parallelism") # gcc 12.1.0
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add_compiler_flags("-ftrivial-auto-var-init=zero") # gcc 12.1.0
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add_compiler_flags("-Wtrivial-auto-var-init") # gcc 12.1.0
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#
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# C++ Warning Flags
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# See https://github.com/vadz/gcc-warnings-tools for gcc flags and versions
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#
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wctor-dtor-privacy") # gcc 4.6.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wnoexcept") # gcc 4.6.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wold-style-cast") # gcc 4.6.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Woverloaded-virtual") # gcc 4.6.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wsign-promo") # gcc 4.6.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wstrict-null-sentinel") # gcc 4.6.0
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if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_compiler_flags(4.6 "-Wctor-dtor-privacy")
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add_compiler_flags(4.6 "-Wnoexcept")
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add_compiler_flags(4.6 "-Wold-style-cast")
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add_compiler_flags(4.6 "-Woverloaded-virtual")
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add_compiler_flags(4.6 "-Wsign-promo")
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add_compiler_flags(4.6 "-Wstrict-null-sentinel")
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wzero-as-null-pointer-constant") # gcc 4.7.0
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add_compiler_flags(4.7 "-Wzero-as-null-pointer-constant")
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#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wuseless-cast") # gcc 4.8.0
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#add_compiler_flags(4.8 "-Wuseless-cast")
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wconditionally-supported") # gcc 4.9.0
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add_compiler_flags(4.9 "-Wconditionally-supported")
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wsuggest-override") # gcc 5.1.0
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add_compiler_flags(5.1 "-Wsuggest-override")
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wnoexcept-type") # gcc 7.1.0
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add_compiler_flags(7.1 "-Wnoexcept-type")
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wextra-semi") # gcc 8.1.0
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add_compiler_flags(8.1 "-Wextra-semi")
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add_compiler_flags(10.1 "-Wcomma-subscript")
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add_compiler_flags(10.1 "-Wmismatched-tags")
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add_compiler_flags(10.1 "-Wredundant-tags")
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add_compiler_flags(10.1 "-Wvolatile")
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add_compiler_flags(11.1 "-Wctad-maybe-unsupported")
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add_compiler_flags(11.1 "-Wdeprecated-enum-enum-conversion")
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add_compiler_flags(11.1 "-Wdeprecated-enum-float-conversion")
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add_compiler_flags(11.1 "-Winvalid-imported-macros")
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add_compiler_flags(11.1 "-Wrange-loop-construct")
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endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wcomma-subscript") # gcc 10.1.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wmismatched-tags") # gcc 10.1.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wredundant-tags") # gcc 10.1.0
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add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wvolatile") # gcc 10.1.0
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#
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# Allow the linker to remove unused data and functions
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#
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add_compiler_flags("-fdata-sections")
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add_compiler_flags("-ffunction-sections")
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add_compiler_flags("-fno-common")
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if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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add_compiler_flags("-Wl,--gc-sections")
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add_compiler_flags(4.6 "-fdata-sections")
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add_compiler_flags(4.6 "-ffunction-sections")
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add_compiler_flags(4.6 "-fno-common")
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add_compiler_flags(4.6 "-Wl,--gc-sections")
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endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
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||||
|
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#
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# Hardening flags (see https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc)
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||||
#
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IF (NOT CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
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add_compiler_flags("-D_FORTIFY_SOURCE=2")
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||||
ENDIF (NOT CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
|
||||
add_compiler_flags("-D_GLIBCXX_ASSERTIONS")
|
||||
add_compiler_flags("-fasynchronous-unwind-tables")
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||||
add_compiler_flags("-fexceptions")
|
||||
add_compiler_flags("-fstack-clash-protection")
|
||||
add_compiler_flags("-fstack-protector-strong")
|
||||
add_compiler_flags("-grecord-gcc-switches")
|
||||
add_compiler_flags("-fcf-protection")
|
||||
add_compiler_flags("-pipe")
|
||||
add_compiler_flags("-Wformat=2 -Werror=format-security -Wno-format-nonliteral")
|
||||
add_compiler_flags("-fPIE")
|
||||
if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
add_compiler_flags("-Wl,-z,defs")
|
||||
add_compiler_flags("-Wl,-z,now")
|
||||
add_compiler_flags("-Wl,-z,relro")
|
||||
endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
|
||||
#
|
||||
# Profiling and Debugging (see https://fedoraproject.org/wiki/Changes/fno-omit-frame-pointer)
|
||||
# Hardening flags
|
||||
# See https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc
|
||||
#
|
||||
#add_compiler_flags("-fno-omit-frame-pointer")
|
||||
if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
IF (NOT CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
|
||||
add_cxx_compiler_flags_no_test(CMAKE_CXX_FLAGS "-D_FORTIFY_SOURCE=2")
|
||||
ENDIF (NOT CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
|
||||
add_cxx_compiler_flags_no_test(CMAKE_CXX_FLAGS "-D_GLIBCXX_ASSERTIONS")
|
||||
add_compiler_flags(4.6 "-fasynchronous-unwind-tables")
|
||||
add_compiler_flags(4.6 "-fexceptions")
|
||||
add_compiler_flags(4.6 "-fstack-clash-protection")
|
||||
add_compiler_flags(4.6 "-fstack-protector-strong")
|
||||
add_compiler_flags(4.6 "-grecord-gcc-switches")
|
||||
add_compiler_flags(4.6 "-fcf-protection")
|
||||
add_compiler_flags(4.6 "-pipe")
|
||||
add_compiler_flags(4.6 "-Werror=format-security")
|
||||
add_compiler_flags(4.6 "-Wno-format-nonliteral")
|
||||
add_compiler_flags(4.6 "-fPIE")
|
||||
add_compiler_flags(4.6 "-Wl,-z,defs")
|
||||
add_compiler_flags(4.6 "-Wl,-z,now")
|
||||
add_compiler_flags(4.6 "-Wl,-z,relro")
|
||||
endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
|
||||
|
||||
#
|
||||
# Profiling and Debugging
|
||||
# See https://fedoraproject.org/wiki/Changes/fno-omit-frame-pointer
|
||||
#
|
||||
#if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
# add_compiler_flags(4.6 "-fno-omit-frame-pointer")
|
||||
#endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
|
||||
|
||||
#
|
||||
# Disable some warnings
|
||||
#
|
||||
add_compiler_flags("-Wno-dangling-reference")
|
||||
add_compiler_flags("-Wno-pessimizing-move")
|
||||
add_compiler_flags("-Wno-sign-compare")
|
||||
add_compiler_flags("-Wno-suggest-attribute=format")
|
||||
add_compiler_flags("-Wno-unused-parameter")
|
||||
if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
add_compiler_flags(4.6 "-Wno-sign-compare")
|
||||
add_compiler_flags(4.6 "-Wno-unused-parameter")
|
||||
|
||||
add_compiler_flags(4.8 "-Wno-suggest-attribute=format")
|
||||
|
||||
add_compiler_flags(9.1 "-Wno-pessimizing-move")
|
||||
|
||||
add_compiler_flags(13.0 "-Wno-dangling-reference")
|
||||
endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
|
||||
|
||||
#
|
||||
# Sanitize flags
|
||||
#
|
||||
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-fsanitize=address")
|
||||
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-fsanitize=thread")
|
||||
#if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
# add_compiler_flags(4.6 "-fsanitize=address")
|
||||
# add_compiler_flags(4.6 "-fsanitize=thread")
|
||||
#endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user