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https://github.com/RetroDECK/Duckstation.git
synced 2024-11-30 01:25:51 +00:00
50 lines
1.6 KiB
CMake
50 lines
1.6 KiB
CMake
function(disable_compiler_warnings_for_target target)
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if(MSVC)
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target_compile_options(${target} PRIVATE "/W0")
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else()
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target_compile_options(${target} PRIVATE "-w")
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endif()
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endfunction()
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function(detect_page_size)
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# This is only needed for ARM64, or if the user hasn't overridden it explicitly.
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if(NOT CPU_ARCH_ARM64 OR HOST_PAGE_SIZE)
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return()
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endif()
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if(NOT LINUX OR ANDROID)
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# For universal Apple builds, we use preprocessor macros to determine page size.
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# Similar for Windows, except it's always 4KB.
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return()
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endif()
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if(CMAKE_CROSSCOMPILING)
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message(WARNING "Cross-compiling and can't determine page size, assuming default.")
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return()
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endif()
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message(STATUS "Determining host page size")
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set(detect_page_size_file ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c)
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file(WRITE ${detect_page_size_file} "
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int main() {
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int res = sysconf(_SC_PAGESIZE);
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printf(\"%d\", res);
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return (res > 0) ? EXIT_SUCCESS : EXIT_FAILURE;
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}")
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try_run(
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detect_page_size_run_result
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detect_page_size_compile_result
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}
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${detect_page_size_file}
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RUN_OUTPUT_VARIABLE detect_page_size_output)
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if(NOT detect_page_size_compile_result OR NOT detect_page_size_run_result EQUAL 0)
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message(FATAL_ERROR "Could not determine host page size.")
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else()
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message(STATUS "Host page size: ${detect_page_size_output}")
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set(HOST_PAGE_SIZE ${detect_page_size_output} CACHE STRING "Reported host page size")
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endif()
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endfunction()
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