mirror of
https://github.com/shadps4-emu/ext-SDL.git
synced 2024-12-02 15:56:58 +00:00
218 lines
7.8 KiB
CMake
218 lines
7.8 KiB
CMake
macro(add_to_alloptions _NEWNAME)
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list(APPEND ALLOPTIONS ${_NEWNAME})
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endmacro()
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macro(set_option _NAME _DESC)
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add_to_alloptions(${_NAME})
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if(${ARGC} EQUAL 3)
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set(_DEFLT ${ARGV2})
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else()
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set(_DEFLT OFF)
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endif()
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option(${_NAME} ${_DESC} ${_DEFLT})
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endmacro()
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macro(dep_option _NAME _DESC _DEFLT _DEPTEST _FAILDFLT)
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add_to_alloptions("${_NAME}")
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cmake_dependent_option("${_NAME}" "${_DESC}" "${_DEFLT}" "${_DEPTEST}" "${_FAILDFLT}")
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endmacro()
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macro(option_string _NAME _DESC _VALUE)
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add_to_alloptions(${_NAME})
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set(${_NAME} ${_VALUE} CACHE STRING "${_DESC}")
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set(HAVE_${_NAME} ${_VALUE})
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ENDMACRO()
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macro(message_bool_option _NAME _VALUE)
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set(_PAD "\t")
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if(${ARGC} EQUAL 3)
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set(_PAD ${ARGV2})
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endif()
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if(${_VALUE})
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message(STATUS " ${_NAME}:${_PAD}ON")
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else()
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message(STATUS " ${_NAME}:${_PAD}OFF")
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endif()
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endmacro()
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macro(message_tested_option _NAME)
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set(_REQVALUE ${${_NAME}})
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set(_PAD " ")
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if(${ARGC} EQUAL 2)
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set(_PAD ${ARGV1})
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endif()
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string(SUBSTRING "${_NAME}" 0 4 _NAMESTART)
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if(_NAMESTART STREQUAL "SDL_")
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string(SUBSTRING "${_NAME}" 4 -1 _STRIPPEDNAME)
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else()
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set(_STRIPPEDNAME "${_NAME}")
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endif()
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if(NOT HAVE_${_STRIPPEDNAME})
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set(HAVE_${_STRIPPEDNAME} OFF)
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elseif("${HAVE_${_STRIPPEDNAME}}" MATCHES "1|TRUE|YES|Y")
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set(HAVE_${_STRIPPEDNAME} ON)
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endif()
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message(STATUS " ${_NAME}${_PAD}(Wanted: ${_REQVALUE}): ${HAVE_${_STRIPPEDNAME}}")
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endmacro()
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function(find_stringlength_longest_item inList outLength)
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set(maxLength 0)
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foreach(item IN LISTS ${inList})
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string(LENGTH "${item}" slen)
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if(slen GREATER maxLength)
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set(maxLength ${slen})
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endif()
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endforeach()
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set("${outLength}" ${maxLength} PARENT_SCOPE)
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endfunction()
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function(message_dictlist inList)
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find_stringlength_longest_item(${inList} maxLength)
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foreach(name IN LISTS ${inList})
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# Get the padding
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string(LENGTH ${name} nameLength)
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math(EXPR padLength "(${maxLength} + 1) - ${nameLength}")
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string(RANDOM LENGTH ${padLength} ALPHABET " " padding)
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message_tested_option(${name} ${padding})
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endforeach()
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endfunction()
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if(APPLE)
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include(CheckOBJCSourceCompiles)
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enable_language(OBJC)
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endif()
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function(SDL_detect_linker)
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if(CMAKE_VERSION VERSION_LESS 3.29)
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if(NOT DEFINED SDL_CMAKE_C_COMPILER_LINKER_ID)
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execute_process(COMMAND ${CMAKE_LINKER} -v OUTPUT_VARIABLE LINKER_OUTPUT ERROR_VARIABLE LINKER_OUTPUT)
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string(REGEX REPLACE "[\r\n]" " " LINKER_OUTPUT "${LINKER_OUTPUT}")
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if(LINKER_OUTPUT MATCHES ".*Microsoft.*")
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set(linker MSVC)
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else()
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set(linker GNUlike)
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endif()
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message(STATUS "Linker identification: ${linker}")
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set(SDL_CMAKE_C_COMPILER_LINKER_ID "${linker}" CACHE STRING "Linker identification")
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mark_as_advanced(SDL_CMAKE_C_COMPILER_LINKER_ID)
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endif()
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set(CMAKE_C_COMPILER_LINKER_ID "${SDL_CMAKE_C_COMPILER_LINKER_ID}" PARENT_SCOPE)
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endif()
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endfunction()
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function(check_linker_supports_version_file VAR)
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SDL_detect_linker()
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if(CMAKE_C_COMPILER_LINKER_ID MATCHES "^(MSVC)$")
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set(LINKER_SUPPORTS_VERSION_SCRIPT FALSE)
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else()
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cmake_push_check_state(RESET)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.sym" "n_0 {\n global:\n func;\n local: *;\n};\n")
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list(APPEND CMAKE_REQUIRED_LINK_OPTIONS "-Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/dummy.sym")
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check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")
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cmake_pop_check_state()
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endif()
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set(${VAR} "${LINKER_SUPPORTS_VERSION_SCRIPT}" PARENT_SCOPE)
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endfunction()
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if(CMAKE_VERSION VERSION_LESS 3.18)
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function(check_linker_flag LANG FLAG VAR)
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cmake_push_check_state(RESET)
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list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${FLAG})
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if(LANG STREQUAL "C")
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include(CheckCSourceCompiles)
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check_c_source_compiles("int main(int argc,char*argv[]){(void)argc;(void)argv;return 0;}" ${VAR} FAIL_REGEX "(unsupported|syntax error)")
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elseif(LANG STREQUAL "CXX")
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("int main(int argc,char*argv[]){(void)argc;(void)argv;return 0;}" ${VAR} FAIL_REGEX "(unsupported|syntax error)")
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else()
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message(FATAL_ERROR "Unsupported language: ${LANG}")
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endif()
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cmake_pop_check_state()
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endfunction()
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else()
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cmake_policy(SET CMP0057 NEW) # Support new if() IN_LIST operator. (used inside check_linker_flag, used in CMake 3.18)
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include(CheckLinkerFlag)
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endif()
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if(APPLE)
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check_language(OBJC)
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if(NOT CMAKE_OBJC_COMPILER)
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message(WARNING "Cannot find working OBJC compiler.")
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endif()
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endif()
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function(SDL_PrintSummary)
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##### Info output #####
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message(STATUS "")
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message(STATUS "SDL3 was configured with the following options:")
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message(STATUS "")
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message(STATUS "Platform: ${CMAKE_SYSTEM}")
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message(STATUS "64-bit: ${ARCH_64}")
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message(STATUS "Compiler: ${CMAKE_C_COMPILER}")
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message(STATUS "Revision: ${SDL_REVISION}")
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message(STATUS "Vendor: ${SDL_VENDOR_INFO}")
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message(STATUS "")
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message(STATUS "Subsystems:")
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find_stringlength_longest_item(SDL_SUBSYSTEMS maxLength)
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foreach(_SUB IN LISTS SDL_SUBSYSTEMS)
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string(LENGTH ${_SUB} _SUBLEN)
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math(EXPR _PADLEN "(${maxLength} + 1) - ${_SUBLEN}")
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string(RANDOM LENGTH ${_PADLEN} ALPHABET " " _PADDING)
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string(TOUPPER ${_SUB} _OPT)
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message_bool_option(${_SUB} SDL_${_OPT} ${_PADDING})
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endforeach()
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message(STATUS "")
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message(STATUS "Options:")
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list(SORT ALLOPTIONS)
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message_dictlist(ALLOPTIONS)
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message(STATUS "")
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message(STATUS " Build Shared Library: ${SDL_SHARED}")
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message(STATUS " Build Static Library: ${SDL_STATIC}")
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if(SDL_STATIC)
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message(STATUS " Build Static Library with Position Independent Code: ${SDL_STATIC_PIC}")
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endif()
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if(APPLE)
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message(STATUS " Build libraries as Apple Framework: ${SDL_FRAMEWORK}")
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endif()
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message(STATUS "")
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if(UNIX)
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message(STATUS "If something was not detected, although the libraries")
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message(STATUS "were installed, then make sure you have set the")
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message(STATUS "CMAKE_C_FLAGS and CMAKE_PREFIX_PATH CMake variables correctly.")
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message(STATUS "")
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endif()
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if(WARN_ABOUT_ARM_SIMD_ASM_MIT)
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message(STATUS "SDL is being built with ARM SIMD optimizations, which")
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message(STATUS "uses code licensed under the MIT license. If this is a")
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message(STATUS "problem, please disable that code by rerunning CMake with:")
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message(STATUS "")
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message(STATUS " -DSDL_ARMSIMD=OFF")
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message(STATUS "")
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endif()
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if(WARN_ABOUT_ARM_NEON_ASM_MIT)
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message(STATUS "SDL is being built with ARM NEON optimizations, which")
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message(STATUS "uses code licensed under the MIT license. If this is a")
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message(STATUS "problem, please disable that code by rerunning CMake with:")
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message(STATUS "")
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message(STATUS " -DSDL_ARMNEON=OFF")
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message(STATUS "")
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endif()
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endfunction()
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function(SDL_install_pdb TARGET DIRECTORY)
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get_property(type TARGET ${TARGET} PROPERTY TYPE)
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if(type MATCHES "^(SHARED_LIBRARY|EXECUTABLE)$")
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install(FILES $<TARGET_PDB_FILE:${TARGET}> DESTINATION "${DIRECTORY}" OPTIONAL)
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elseif(type STREQUAL "STATIC_LIBRARY")
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# FIXME: Use $<TARGET_COMPILE_PDB_FILE:${TARGET} once it becomes available (https://gitlab.kitware.com/cmake/cmake/-/issues/25244)
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if(CMAKE_GENERATOR MATCHES "^Visual Studio.*")
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install(CODE "file(INSTALL DESTINATION \"\${CMAKE_INSTALL_PREFIX}/${DIRECTORY}\" TYPE FILE OPTIONAL FILES \"${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_INSTALL_CONFIG_NAME}/${TARGET}.pdb\")")
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else()
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install(CODE "file(INSTALL DESTINATION \"\${CMAKE_INSTALL_PREFIX}/${DIRECTORY}\" TYPE FILE OPTIONAL FILES \"${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${TARGET}.dir/${TARGET}.pdb\")")
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endif()
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endif()
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endfunction()
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