opencv - 使用 mingw 构建 opencv 时,ld 找不到所需的库
问题描述
我正在尝试使用 MinGW Makefiles 作为生成器来构建 OpenCV。在它检查编译器是否正在工作的阶段,它会失败并显示以下输出:
BUILDING FOR: 32 BITS, RELEASE
-- The CXX compiler identification is GNU 8.1.0
-- The C compiler identification is GNU 8.1.0
-- Check for working CXX compiler: C:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/g++.exe
-- Check for working CXX compiler: C:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/g++.exe -- broken
CMake Error at C:/Program Files/CMake/share/cmake-3.11/Modules/CMakeTestCXXCompiler.cmake:45 (message):
The C++ compiler
"C:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/g++.exe"
is not able to compile a simple test program.
It fails with the following output:
Change Dir: E:/opencv/build/CMakeFiles/CMakeTmp
Run Build Command:"C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/mingw32-make.exe"
"cmTC_adda8/fast"
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/mingw32-make.exe -f CMakeFiles\cmTC_adda8.dir\build.make CMakeFiles/cmTC_adda8.dir/build
mingw32-make.exe[1]: Entering directory 'E:/opencv/build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_adda8.dir/testCXXCompiler.cxx.obj
C:\PROGRA~1\MINGW-~1\X86_64~1.0-W\mingw64\bin\G__~1.EXE -m32 -o CMakeFiles\cmTC_adda8.dir\testCXXCompiler.cxx.obj -c E:\opencv\build\CMakeFiles\CMakeTmp\testCXXCompiler.cxx
Linking CXX executable cmTC_adda8.exe
"C:\Program Files\CMake\bin\cmake.exe" -E cmake_link_script CMakeFiles\cmTC_adda8.dir\link.txt --verbose=1
"C:\Program Files\CMake\bin\cmake.exe" -E remove -f CMakeFiles\cmTC_adda8.dir/objects.a
C:\PROGRA~1\MINGW-~1\X86_64~1.0-W\mingw64\bin\ar.exe cr CMakeFiles\cmTC_adda8.dir/objects.a @CMakeFiles\cmTC_adda8.dir\objects1.rsp
C:\PROGRA~1\MINGW-~1\X86_64~1.0-W\mingw64\bin\G__~1.EXE -m32 -Wl,--whole-archive CMakeFiles\cmTC_adda8.dir/objects.a -Wl,--no-whole-archive -o cmTC_adda8.exe -Wl,--out-implib,libcmTC_adda8.dll.a -Wl,--major-image-version,0,--minor-image-version,0 @CMakeFiles\cmTC_adda8.dir\linklibs.rsp
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libkernel32.a when searching for -lkernel32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libkernel32.a when searching for -lkernel32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libkernel32.a when searching for -lkernel32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lkernel32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libuser32.a when searching for -luser32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libuser32.a when searching for -luser32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libuser32.a when searching for -luser32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -luser32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libgdi32.a when searching for -lgdi32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libgdi32.a when searching for -lgdi32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libgdi32.a when searching for -lgdi32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lgdi32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libwinspool.a when searching for -lwinspool
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libwinspool.a when searching for -lwinspool
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libwinspool.a when searching for -lwinspool
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lwinspool
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libshell32.a when searching for -lshell32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libshell32.a when searching for -lshell32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libshell32.a when searching for -lshell32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lshell32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libole32.a when searching for -lole32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libole32.a when searching for -lole32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libole32.a when searching for -lole32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lole32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/liboleaut32.a when searching for -loleaut32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\liboleaut32.a when searching for -loleaut32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/liboleaut32.a when searching for -loleaut32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -loleaut32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libuuid.a when searching for -luuid
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libuuid.a when searching for -luuid
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libuuid.a when searching for -luuid
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -luuid
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libcomdlg32.a when searching for -lcomdlg32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libcomdlg32.a when searching for -lcomdlg32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libcomdlg32.a when searching for -lcomdlg32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lcomdlg32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libadvapi32.a when searching for -ladvapi32
...many similar errors
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/libstdc++.dll.a when searching for -lstdc++
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/libstdc++.a when searching for -lstdc++
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lstdc++
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libmingw32.a when searching for -lmingw32
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lmoldname
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libmingwex.a when searching for -lmingwex
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libmingwex.a when searching for -lmingwex
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libmingwex.a when searching for -lmingwex
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lmingwex
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libmsvcrt.a when searching for -lmsvcrt
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libmsvcrt.a when searching for -lmsvcrt
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libmsvcrt.a when searching for -lmsvcrt
C:/PROGRA~1/MINGW-~1/X86_64~1.0-W/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lmsvcrt
collect2.exe: error: ld returned 1 exit status
mingw32-make.exe[1]: *** [CMakeFiles\cmTC_adda8.dir\build.make:88: cmTC_adda8.exe]
Error 1
mingw32-make.exe[1]: Leaving directory 'E:/opencv/build/CMakeFiles/CMakeTmp'
mingw32-make.exe: *** [Makefile:125: cmTC_adda8/fast] Error 2
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:127 (project)
以下是我如何调用 CMake 来配置我的项目:
cmake -G"$generator" `
-DCMAKE_BUILD_TYPE="$uconfig" `
-DCMAKE_C_COMPILER="$c_comp" `
-DCMAKE_C_FLAGS="$flags" `
-DCMAKE_CXX_COMPILER="$cxx_comp" `
-DCMAKE_CXX_FLAGS="$flags" `
-DWITH_GSTREAMER=TRUE `
-DENABLE_PRECOMPILED_HEADERS=OFF `
-DBUILD_TESTS=OFF `
-DBUILD_PERF_TESTS=OFF `
-DOPENCV_EXTRA_MODULES_PATH=../cv_contrib_latest/modules `
../cv_latest
其中uconfig=RELEASE
,和. generator=MinGW Makefiles
_ 它谈到了链接库时跳过不兼容的问题。这是 x86-x64 的问题吗?据我所知,mingw-w64 编译它们,我传递标志来编译 x86。arch=32
flags=m32
cxx_comp=mingw-w64/bin directory
-m32
编辑:x86_64-w64-mingw32-g++.exe
在相同的 bin 目录中进行编译会产生相同的错误。
编辑 2:当我删除该选项时,错误似乎消失了,-m32
所以这确实与 x86-x64 错误有关。但是,我试图链接的库位于目录下,MINGW_PATH/mingw4/x86_64-w64-mingw32/lib
所以我假设这些库是 32 位版本的库。在网上搜索,我下载的网站mingw-w64
说它同时支持 x86 和 x64。如何使用 mingw-w64 为 x86 编译?
解决方案
实际上,mingw-w64 编译器是单一目标。您需要从 SourceForge 下载另一个发行版,而不是默认发行版。我下载并设置i686-8.1.0-release-win32-sjlj-rt_v6-rev0
为我的工具链,现在我可以为 x86 编译。
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