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Emit warnings or errors if GCC version < 13 or Clang version < 16 #4

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Emit warnings or errors if GCC version < 13 or Clang version < 16 #4

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ca7fe96
Emit warnings or errors if GCC version < 13 or Clang version < 16
worthless443 Feb 19, 2023
b04466c
CMake: simplifying the version check
worthless443 Feb 20, 2023
9b534e2
Adding Error related flag for function EMIT_VER_WARNINGS
worthless443 May 16, 2023
db8933e
Merge branch 'main' into main
worthless443 May 16, 2023
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45 changes: 43 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,16 @@ project(bounded_integer LANGUAGES CXX)

if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type" FORCE)
endif()
endif()

project(bounded_integer LANGUAGES CXX)
if(NOT DEFINED REQUIRED_GCC_VER )
set(REQUIRED_GCC_VER 13)
endif()

if(NOT DEFINED REQUIRED_CLANG_VER )
set(REQUIRED_CLANG_VER 16)
endif()

enable_testing()

Expand Down Expand Up @@ -40,7 +49,39 @@ if (NOT has_parent)
endif()
endif()

add_library(bounded STATIC)

if(DEFINED FATAL_ERR)
set(MFLAG_FETAL FATAL_ERROR)
else()
set(MFLAG_FETAL WARNING)
endif()

function(EMIT_VER_WARNINGS REQUIRED_VER)
cmake_parse_arguments(FLAG "Else" "IF" "FAIL" ${ARGN})
string(REPLACE "." ";" __VLIST ${CMAKE_CXX_COMPILER_VERSION})
list(GET __VLIST 0 CXX_CMP_V_1)
if(NOT DEFINED FLAG_FAIL)
set(FLAG_FAIL FALSE)
endif()
if(FLAG_FAIL)
set(MFLAG_FATAL FATAL_ERROR)
else()
set(MFLAG_FATAL WARNING)
endif()
if(${CXX_CMP_V_1} LESS ${REQUIRED_VER})
message(${MFLAG_FATAL} "${CMAKE_CXX_COMPILER_ID}: detected version ${CXX_CMP_V_1}(${CMAKE_CXX_COMPILER_VERSION}); you must use version ${REQUIRED_VER}+")
endif()
endfunction()

if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
EMIT_VER_WARNINGS(${REQUIRED_CLANG_VER} FAIL TRUE)
elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
EMIT_VER_WARNINGS(${REQUIRED_GCC_VER} FAIL TRUE)
else()
message(WARNING "UNKNOWN Compiler")
endif()

add_library(bounded INTERFACE)

target_link_libraries(bounded
PUBLIC
Expand Down