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Move compiler flags into a separate cmake file

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Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
This commit is contained in:
Ferry Huberts 2023-08-05 11:36:41 +02:00
parent 90a2c682dc
commit c50959f6e6
2 changed files with 207 additions and 209 deletions
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210
CMakeLists.txt
View File

@ -1,63 +1,5 @@
cmake_minimum_required(VERSION 3.1 FATAL_ERROR) cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
###################################################################################################
## INCLUDES #######################################################################################
###################################################################################################
include(CheckCXXCompilerFlag)
###################################################################################################
## FUNCTIONS ######################################################################################
###################################################################################################
function(add_cxx_compiler_flags var)
foreach(flag ${ARGN})
string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" flag_var "CXXFLAG_${flag}")
check_cxx_compiler_flag("${flag}" ${flag_var})
if(${flag_var})
set(${var} "${${var}} ${flag}")
endif()
endforeach()
set(${var} "${${var}}" PARENT_SCOPE)
endfunction()
function(add_compiler_flags)
foreach(flag ${ARGN})
add_cxx_compiler_flags(CMAKE_CXX_FLAGS ${flag})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
endforeach()
endfunction()
function(remove_any_compiler_flags var)
foreach(flag ${ARGN})
string(REPLACE "${flag}" "" ${var} "${${var}}")
string(REGEX REPLACE "[ \t]+" " " ${var} "${${var}}")
endforeach()
set(${var} "${${var}}" PARENT_SCOPE)
endfunction()
function(remove_compiler_flags)
foreach(flag ${ARGN})
remove_any_compiler_flags(CMAKE_CXX_FLAGS "${flag}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
endforeach()
endfunction()
function(save_compiler_flags)
set(CMAKE_CXX_FLAGS_SAVED "${CMAKE_CXX_FLAGS}" CACHE STRING "Saved compiler C++ flags" FORCE)
endfunction()
function(restore_compiler_flags)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_SAVED}" )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
endfunction()
###################################################################################################
## PROJECT ########################################################################################
###################################################################################################
file(STRINGS "${CMAKE_CURRENT_LIST_DIR}/src/oatpp/core/base/Environment.hpp" OATPP_VERSION_MACRO REGEX "#define OATPP_VERSION \"[0-9]+.[0-9]+.[0-9]+\"$") file(STRINGS "${CMAKE_CURRENT_LIST_DIR}/src/oatpp/core/base/Environment.hpp" OATPP_VERSION_MACRO REGEX "#define OATPP_VERSION \"[0-9]+.[0-9]+.[0-9]+\"$")
string(REGEX REPLACE "#define OATPP_VERSION \"([0-9]+.[0-9]+.[0-9]+)\"$" "\\1" oatpp_VERSION "${OATPP_VERSION_MACRO}") string(REGEX REPLACE "#define OATPP_VERSION \"([0-9]+.[0-9]+.[0-9]+)\"$" "\\1" oatpp_VERSION "${OATPP_VERSION_MACRO}")
@ -175,157 +117,7 @@ message("\n#####################################################################
message("oatpp version: '${OATPP_THIS_MODULE_VERSION}'") message("oatpp version: '${OATPP_THIS_MODULE_VERSION}'")
################################################################################################### include(cmake/compiler-flags.cmake)
## COMPILER FLAGS #################################################################################
###################################################################################################
#
# Generic flags
#
add_compiler_flags("-Wall")
add_compiler_flags("-Wextra")
add_compiler_flags("-g3")
#
# C/C++ Warning Flags
# See https://github.com/vadz/gcc-warnings-tools for gcc flags and versions
#
add_compiler_flags("-Wcast-align") # gcc 4.6.0
#add_compiler_flags("-Wconversion") # gcc 4.6.0
#add_compiler_flags("-Wdouble-promotion") # gcc 4.6.0
add_compiler_flags("-Wformat=2") # gcc 4.6.0
add_compiler_flags("-Winvalid-pch") # gcc 4.6.0
add_compiler_flags("-Wmissing-declarations") # gcc 4.6.0
add_compiler_flags("-Wmissing-format-attribute") # gcc 4.6.0
add_compiler_flags("-Wmissing-include-dirs") # gcc 4.6.0
add_compiler_flags("-Wpointer-arith") # gcc 4.6.0
add_compiler_flags("-Wredundant-decls") # gcc 4.6.0
#add_compiler_flags("-Wshadow") # gcc 4.6.0
#add_compiler_flags("-Wsign-conversion") # gcc 4.6.0
#add_compiler_flags("-Wsuggest-attribute=noreturn") # gcc 4.6.0
add_compiler_flags("-Wswitch-default") # gcc 4.6.0
add_compiler_flags("-Wswitch-enum") # gcc 4.6.0
add_compiler_flags("-Wtype-limits") # gcc 4.6.0
add_compiler_flags("-Wundef") # gcc 4.6.0
add_compiler_flags("-Wuninitialized") # gcc 4.6.0
add_compiler_flags("-Wunknown-pragmas") # gcc 4.6.0
add_compiler_flags("-Wunsafe-loop-optimizations") # gcc 4.6.0
add_compiler_flags("-Wunused-but-set-parameter") # gcc 4.6.0
add_compiler_flags("-Wunused-but-set-variable") # gcc 4.6.0
add_compiler_flags("-Wunused-function") # gcc 4.6.0
add_compiler_flags("-Wunused") # gcc 4.6.0
add_compiler_flags("-Wunused-label") # gcc 4.6.0
add_compiler_flags("-Wunused-macros") # gcc 4.6.0
#add_compiler_flags("-Wunused-parameter") # gcc 4.6.0
add_compiler_flags("-Wunused-result") # gcc 4.6.0
add_compiler_flags("-Wunused-value") # gcc 4.6.0
#add_compiler_flags("-Wunused-variable") # gcc 4.6.0
add_compiler_flags("-Wunused-local-typedefs") # gcc 4.7.0
#add_compiler_flags("-Wsuggest-attribute=format") # gcc 4.8.0
add_compiler_flags("-Wformat-signedness") # gcc 5.1.0
add_compiler_flags("-Wduplicated-cond") # gcc 6.1.0
#add_compiler_flags("-Wlogical-op") # gcc 6.1.0
add_compiler_flags("-Wnull-dereference") # gcc 6.1.0
add_compiler_flags("-Wduplicated-branches") # gcc 7.1.0
add_compiler_flags("-Wformat-overflow=2") # gcc 7.1.0
add_compiler_flags("-Wformat-truncation=2") # gcc 7.1.0
#add_compiler_flags("-Wcast-align=strict") # gcc 8.1.0
#add_compiler_flags("-Wsuggest-attribute=cold") # gcc 8.1.0
add_compiler_flags("-Wsuggest-attribute=malloc") # gcc 8.1.0
#add_compiler_flags("-Warith-conversion") # gcc 10.1.0
add_compiler_flags("-Wctad-maybe-unsupported") # gcc 11.1.0
add_compiler_flags("-Wdeprecated-enum-enum-conversion") # gcc 11.1.0
add_compiler_flags("-Wdeprecated-enum-float-conversion") # gcc 11.1.0
add_compiler_flags("-Winvalid-imported-macros") # gcc 11.1.0
add_compiler_flags("-Wrange-loop-construct") # gcc 11.1.0
add_compiler_flags("-Warray-compare") # gcc 12.1.0
add_compiler_flags("-Wbidi-chars=unpaired,ucn") # gcc 12.1.0
add_compiler_flags("-Winfinite-recursion") # gcc 12.1.0
add_compiler_flags("-Wopenacc-parallelism") # gcc 12.1.0
add_compiler_flags("-ftrivial-auto-var-init=zero") # gcc 12.1.0
add_compiler_flags("-Wtrivial-auto-var-init") # gcc 12.1.0
#
# C++ Warning Flags
# See https://github.com/vadz/gcc-warnings-tools for gcc flags and versions
#
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wctor-dtor-privacy") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wnoexcept") # gcc 4.6.0
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wold-style-cast") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Woverloaded-virtual") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wsign-promo") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wstrict-null-sentinel") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wzero-as-null-pointer-constant") # gcc 4.7.0
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wuseless-cast") # gcc 4.8.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wconditionally-supported") # gcc 4.9.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wsuggest-override") # gcc 5.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wnoexcept-type") # gcc 7.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wextra-semi") # gcc 8.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wcomma-subscript") # gcc 10.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wmismatched-tags") # gcc 10.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wredundant-tags") # gcc 10.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wvolatile") # gcc 10.1.0
#
# Allow the linker to remove unused data and functions
#
add_compiler_flags("-fdata-sections")
add_compiler_flags("-ffunction-sections")
add_compiler_flags("-fno-common")
if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
add_compiler_flags("-Wl,--gc-sections")
endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
#
# Hardening flags (see https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc)
#
add_compiler_flags("-fasynchronous-unwind-tables")
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)
#
# Disable some warnings
#
add_compiler_flags("-Wno-dangling-reference")
add_compiler_flags("-Wno-missing-field-initializers")
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")
add_compiler_flags("-Wno-unused-variable")
#
# Sanitize flags
#
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-fsanitize=address")
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-fsanitize=thread")
include(cmake/msvc-runtime.cmake) include(cmake/msvc-runtime.cmake)
configure_msvc_runtime() configure_msvc_runtime()

206
cmake/compiler-flags.cmake Normal file
View File

@ -0,0 +1,206 @@
#cmake_minimum_required(VERSION 3.1)
###################################################################################################
## INCLUDES #######################################################################################
###################################################################################################
include(CheckCXXCompilerFlag)
###################################################################################################
## FUNCTIONS ######################################################################################
###################################################################################################
function(add_cxx_compiler_flags var)
foreach(flag ${ARGN})
string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" flag_var "CXXFLAG_${flag}")
check_cxx_compiler_flag("${flag}" ${flag_var})
if(${flag_var})
set(${var} "${${var}} ${flag}")
endif()
endforeach()
set(${var} "${${var}}" PARENT_SCOPE)
endfunction()
function(add_compiler_flags)
foreach(flag ${ARGN})
add_cxx_compiler_flags(CMAKE_CXX_FLAGS ${flag})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
endforeach()
endfunction()
function(remove_any_compiler_flags var)
foreach(flag ${ARGN})
string(REPLACE "${flag}" "" ${var} "${${var}}")
string(REGEX REPLACE "[ \t]+" " " ${var} "${${var}}")
endforeach()
set(${var} "${${var}}" PARENT_SCOPE)
endfunction()
function(remove_compiler_flags)
foreach(flag ${ARGN})
remove_any_compiler_flags(CMAKE_CXX_FLAGS "${flag}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
endforeach()
endfunction()
function(save_compiler_flags)
set(CMAKE_CXX_FLAGS_SAVED "${CMAKE_CXX_FLAGS}" CACHE STRING "Saved compiler C++ flags" FORCE)
endfunction()
function(restore_compiler_flags)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_SAVED}" )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
endfunction()
###################################################################################################
## COMPILER FLAGS #################################################################################
###################################################################################################
#
# Generic flags
#
add_compiler_flags("-Wall")
add_compiler_flags("-Wextra")
add_compiler_flags("-g3")
#
# C/C++ Warning Flags
# See https://github.com/vadz/gcc-warnings-tools for gcc flags and versions
#
add_compiler_flags("-Wcast-align") # gcc 4.6.0
#add_compiler_flags("-Wconversion") # gcc 4.6.0
#add_compiler_flags("-Wdouble-promotion") # gcc 4.6.0
add_compiler_flags("-Wformat=2") # gcc 4.6.0
add_compiler_flags("-Winvalid-pch") # gcc 4.6.0
add_compiler_flags("-Wmissing-declarations") # gcc 4.6.0
add_compiler_flags("-Wmissing-format-attribute") # gcc 4.6.0
add_compiler_flags("-Wmissing-include-dirs") # gcc 4.6.0
add_compiler_flags("-Wpointer-arith") # gcc 4.6.0
add_compiler_flags("-Wredundant-decls") # gcc 4.6.0
#add_compiler_flags("-Wshadow") # gcc 4.6.0
#add_compiler_flags("-Wsign-conversion") # gcc 4.6.0
#add_compiler_flags("-Wsuggest-attribute=noreturn") # gcc 4.6.0
add_compiler_flags("-Wswitch-default") # gcc 4.6.0
add_compiler_flags("-Wswitch-enum") # gcc 4.6.0
add_compiler_flags("-Wtype-limits") # gcc 4.6.0
add_compiler_flags("-Wundef") # gcc 4.6.0
add_compiler_flags("-Wuninitialized") # gcc 4.6.0
add_compiler_flags("-Wunknown-pragmas") # gcc 4.6.0
add_compiler_flags("-Wunsafe-loop-optimizations") # gcc 4.6.0
add_compiler_flags("-Wunused-but-set-parameter") # gcc 4.6.0
add_compiler_flags("-Wunused-but-set-variable") # gcc 4.6.0
add_compiler_flags("-Wunused-function") # gcc 4.6.0
add_compiler_flags("-Wunused") # gcc 4.6.0
add_compiler_flags("-Wunused-label") # gcc 4.6.0
add_compiler_flags("-Wunused-macros") # gcc 4.6.0
#add_compiler_flags("-Wunused-parameter") # gcc 4.6.0
add_compiler_flags("-Wunused-result") # gcc 4.6.0
add_compiler_flags("-Wunused-value") # gcc 4.6.0
#add_compiler_flags("-Wunused-variable") # gcc 4.6.0
add_compiler_flags("-Wunused-local-typedefs") # gcc 4.7.0
#add_compiler_flags("-Wsuggest-attribute=format") # gcc 4.8.0
add_compiler_flags("-Wformat-signedness") # gcc 5.1.0
add_compiler_flags("-Wduplicated-cond") # gcc 6.1.0
#add_compiler_flags("-Wlogical-op") # gcc 6.1.0
add_compiler_flags("-Wnull-dereference") # gcc 6.1.0
add_compiler_flags("-Wduplicated-branches") # gcc 7.1.0
add_compiler_flags("-Wformat-overflow=2") # gcc 7.1.0
add_compiler_flags("-Wformat-truncation=2") # gcc 7.1.0
#add_compiler_flags("-Wcast-align=strict") # gcc 8.1.0
#add_compiler_flags("-Wsuggest-attribute=cold") # gcc 8.1.0
add_compiler_flags("-Wsuggest-attribute=malloc") # gcc 8.1.0
#add_compiler_flags("-Warith-conversion") # gcc 10.1.0
add_compiler_flags("-Wctad-maybe-unsupported") # gcc 11.1.0
add_compiler_flags("-Wdeprecated-enum-enum-conversion") # gcc 11.1.0
add_compiler_flags("-Wdeprecated-enum-float-conversion") # gcc 11.1.0
add_compiler_flags("-Winvalid-imported-macros") # gcc 11.1.0
add_compiler_flags("-Wrange-loop-construct") # gcc 11.1.0
add_compiler_flags("-Warray-compare") # gcc 12.1.0
add_compiler_flags("-Wbidi-chars=unpaired,ucn") # gcc 12.1.0
add_compiler_flags("-Winfinite-recursion") # gcc 12.1.0
add_compiler_flags("-Wopenacc-parallelism") # gcc 12.1.0
add_compiler_flags("-ftrivial-auto-var-init=zero") # gcc 12.1.0
add_compiler_flags("-Wtrivial-auto-var-init") # gcc 12.1.0
#
# C++ Warning Flags
# See https://github.com/vadz/gcc-warnings-tools for gcc flags and versions
#
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wctor-dtor-privacy") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wnoexcept") # gcc 4.6.0
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wold-style-cast") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Woverloaded-virtual") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wsign-promo") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wstrict-null-sentinel") # gcc 4.6.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wzero-as-null-pointer-constant") # gcc 4.7.0
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wuseless-cast") # gcc 4.8.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wconditionally-supported") # gcc 4.9.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wsuggest-override") # gcc 5.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wnoexcept-type") # gcc 7.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wextra-semi") # gcc 8.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wcomma-subscript") # gcc 10.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wmismatched-tags") # gcc 10.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wredundant-tags") # gcc 10.1.0
add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-Wvolatile") # gcc 10.1.0
#
# Allow the linker to remove unused data and functions
#
add_compiler_flags("-fdata-sections")
add_compiler_flags("-ffunction-sections")
add_compiler_flags("-fno-common")
if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
add_compiler_flags("-Wl,--gc-sections")
endif (CMAKE_CXX_COMPILER_ID MATCHES GNU)
#
# Hardening flags (see https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc)
#
add_compiler_flags("-fasynchronous-unwind-tables")
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)
#
# Disable some warnings
#
add_compiler_flags("-Wno-dangling-reference")
add_compiler_flags("-Wno-missing-field-initializers")
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")
add_compiler_flags("-Wno-unused-variable")
#
# Sanitize flags
#
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-fsanitize=address")
#add_cxx_compiler_flags(CMAKE_CXX_FLAGS "-fsanitize=thread")