Determining if the function fseeko exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_24a84.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckFunctionExists.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D CHECK_FUNCTION_EXISTS=fseeko /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_24a84.dir\Debug\\" /Fd"cmTC_24a84.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c" CheckFunctionExists.obj : error LNK2019: 无法解析的外部符号 fseeko，函数 main 中引用了该符号 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_24a84.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\Debug\cmTC_24a84.exe : fatal error LNK1120: 1 个无法解析的外部命令 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_24a84.vcxproj] Determining size of off64_t failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_b4995.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 OFF64_T.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_b4995.dir\Debug\\" /Fd"cmTC_b4995.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\opencv\newbuild\CMakeFiles\CheckTypeSize\OFF64_T.c" C:\Installation directory\opencv\newbuild\CMakeFiles\CheckTypeSize\OFF64_T.c(29,12): error C2065: “off64_t”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b4995.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CheckTypeSize\OFF64_T.c(30,12): error C2065: “off64_t”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b4995.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CheckTypeSize\OFF64_T.c(31,12): error C2065: “off64_t”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b4995.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CheckTypeSize\OFF64_T.c(32,12): error C2065: “off64_t”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b4995.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CheckTypeSize\OFF64_T.c(33,12): error C2065: “off64_t”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b4995.vcxproj] C:/Installation directory/opencv/newbuild/CMakeFiles/CheckTypeSize/OFF64_T.c: #include #include #include #undef KEY #if defined(__i386) # define KEY '_','_','i','3','8','6' #elif defined(__x86_64) # define KEY '_','_','x','8','6','_','6','4' #elif defined(__PPC64__) # define KEY '_','_','P','P','C','6','4','_','_' #elif defined(__ppc64__) # define KEY '_','_','p','p','c','6','4','_','_' #elif defined(__PPC__) # define KEY '_','_','P','P','C','_','_' #elif defined(__ppc__) # define KEY '_','_','p','p','c','_','_' #elif defined(__aarch64__) # define KEY '_','_','a','a','r','c','h','6','4','_','_' #elif defined(__ARM_ARCH_7A__) # define KEY '_','_','A','R','M','_','A','R','C','H','_','7','A','_','_' #elif defined(__ARM_ARCH_7S__) # define KEY '_','_','A','R','M','_','A','R','C','H','_','7','S','_','_' #endif #define SIZE (sizeof(off64_t)) static char info_size[] = {'I', 'N', 'F', 'O', ':', 's','i','z','e','[', ('0' + ((SIZE / 10000)%10)), ('0' + ((SIZE / 1000)%10)), ('0' + ((SIZE / 100)%10)), ('0' + ((SIZE / 10)%10)), ('0' + (SIZE % 10)), ']', #ifdef KEY ' ','k','e','y','[', KEY, ']', #endif '\0'}; #ifdef __CLASSIC_C__ int main(argc, argv) int argc; char *argv[]; #else int main(int argc, char *argv[]) #endif { int require = 0; require += info_size[argc]; (void)argv; return require; } Determining if the function memmove exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_9b17e.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckFunctionExists.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D CHECK_FUNCTION_EXISTS=memmove /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_9b17e.dir\Debug\\" /Fd"cmTC_9b17e.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c" C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c(7,3): warning C4391: “char memmove(void)”: 不正确的内部函数返回类型，应为“void” [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_9b17e.vcxproj] C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c(7,3): warning C4392: “char memmove(void)”: 不正确的内部函数参数个数，应为“3”个参数 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_9b17e.vcxproj] C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c(17,24): error C2168: “memmove”: 内部函数的实参太少 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_9b17e.vcxproj] Determining if the function strcasecmp exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_4726e.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckFunctionExists.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D CHECK_FUNCTION_EXISTS=strcasecmp /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_4726e.dir\Debug\\" /Fd"cmTC_4726e.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c" CheckFunctionExists.obj : error LNK2019: 无法解析的外部符号 strcasecmp，函数 main 中引用了该符号 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_4726e.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\Debug\cmTC_4726e.exe : fatal error LNK1120: 1 个无法解析的外部命令 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_4726e.vcxproj] Build output check failed: Regex: 'warning D9002' Output line: 'cl : 命令行 warning D9002: 忽略未知选项“-std=c99” [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_78809.vcxproj] ' Compilation failed: source file: 'C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp/src.c' check option: ' /DWIN32 /D_WINDOWS /W3 /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi /fp:precise /MP -std=c99' ===== BUILD LOG ===== Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_78809.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_78809.dir\Debug\\" /Fd"cmTC_78809.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj /bigobj -std=c99 "C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\src.c" src.c cl : 命令行 warning D9002: 忽略未知选项“-std=c99” [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_78809.vcxproj] cmTC_78809.vcxproj -> C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\Debug\cmTC_78809.exe ===== END ===== Determining if the include file strings.h exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_5f872.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckIncludeFile.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_5f872.dir\Debug\\" /Fd"cmTC_5f872.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckIncludeFile.c" C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckIncludeFile.c(1,10): fatal error C1083: 无法打开包括文件: “strings.h”: No such file or directory [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_5f872.vcxproj] Determining if the include file unistd.h exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_b0318.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckIncludeFile.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_b0318.dir\Debug\\" /Fd"cmTC_b0318.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckIncludeFile.c" C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckIncludeFile.c(1,10): fatal error C1083: 无法打开包括文件: “unistd.h”: No such file or directory [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b0318.vcxproj] Determining if the posix_memalign exist failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_39f09.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckSymbolExists.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D _POSIX_C_SOURCE=200112L /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_39f09.dir\Debug\\" /Fd"cmTC_39f09.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckSymbolExists.c" C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckSymbolExists.c(8,33): error C2065: “posix_memalign”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_39f09.vcxproj] File C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef posix_memalign return ((int*)(&posix_memalign))[argc]; #else (void)argc; return 0; #endif } Determining if the memalign exist failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_6816a.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckSymbolExists.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_6816a.dir\Debug\\" /Fd"cmTC_6816a.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckSymbolExists.c" C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckSymbolExists.c(8,27): error C2065: “memalign”: 未声明的标识符 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_6816a.vcxproj] File C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef memalign return ((int*)(&memalign))[argc]; #else (void)argc; return 0; #endif } Determining if the include file pthread.h exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_b3531.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckIncludeFile.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_b3531.dir\Debug\\" /Fd"cmTC_b3531.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckIncludeFile.c" C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\CheckIncludeFile.c(1,10): fatal error C1083: 无法打开包括文件: “pthread.h”: No such file or directory [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_b3531.vcxproj] Determining if the function sgemm_ exists failed with the following output: Change Dir: C:/Installation directory/opencv/newbuild/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_90f0c.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && 用于 .NET Framework 的 Microsoft (R) 生成引擎版本 16.9.0+5e4b48a27 版权所有(C) Microsoft Corporation。保留所有权利。 用于 x64 的 Microsoft (R) C/C++ 优化编译器 19.28.29914 版 版权所有(C) Microsoft Corporation。保留所有权利。 CheckFunctionExists.c cl /c /I"C:\srcSanD\vcpkg\vcpkg\installed\x64-windows\include" /Zi /W3 /WX- /diagnostics:column /MP /Od /Ob0 /Oi /D WIN32 /D _WINDOWS /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /D CHECK_FUNCTION_EXISTS=sgemm_ /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_90f0c.dir\Debug\\" /Fd"cmTC_90f0c.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue /bigobj "C:\Installation directory\cmake-3.19.3-win64-x64\share\cmake-3.19\Modules\CheckFunctionExists.c" CheckFunctionExists.obj : error LNK2019: 无法解析的外部符号 sgemm_，函数 main 中引用了该符号 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_90f0c.vcxproj] C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\Debug\cmTC_90f0c.exe : fatal error LNK1120: 1 个无法解析的外部命令 [C:\Installation directory\opencv\newbuild\CMakeFiles\CMakeTmp\cmTC_90f0c.vcxproj]