如何解决ld.exe：找不到-llog -lgcc -lc
我正在尝试在x86_64-pc-windows-msvc主机上编译x86_64-linux-android目标。这是我的.cargo / config：
[target.x86_64-linux-android]
ar = "C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ar"
linker = "C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ld"
当我使用cargo build --target=x86_64-linux-android --target-dir=./out（cdylib类型）编译项目时，出现此错误：
note: C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ld.exe: error: cannot find -ldl
C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ld.exe: error: cannot find -llog
C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ld.exe: error: cannot find -lgcc
C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ld.exe: error: cannot find -lc
C:/android-ndk-r10e/toolchains/x86_64-4.9/prebuilt/windows-x86_64/bin/x86_64-linux-android-ld.exe: error: cannot find -lm
在目录工具链的bin目录中，我看到了以下可能的文件：
03/31/2015 04:13 AM 973,312 x86_64-linux-android-addr2line.exe
03/31/2015 04:13 AM 998,400 x86_64-linux-android-ar.exe
03/31/2015 04:13 AM 1,745,408 x86_64-linux-android-as.exe
03/31/2015 04:13 AM 902,656 x86_64-linux-android-c++.exe
03/31/2015 04:13 AM 971,264 x86_64-linux-android-c++filt.exe
03/31/2015 04:13 AM 901,632 x86_64-linux-android-cpp.exe
03/31/2015 04:13 AM 2,917,376 x86_64-linux-android-dwp.exe
03/31/2015 04:13 AM 63,488 x86_64-linux-android-elfedit.exe
03/31/2015 04:13 AM 902,656 x86_64-linux-android-g++.exe
03/31/2015 04:13 AM 899,584 x86_64-linux-android-gcc-4.9.exe
03/31/2015 04:13 AM 59,904 x86_64-linux-android-gcc-ar.exe
03/31/2015 04:13 AM 59,392 x86_64-linux-android-gcc-nm.exe
03/31/2015 04:13 AM 59,392 x86_64-linux-android-gcc-ranlib.exe
03/31/2015 04:13 AM 899,584 x86_64-linux-android-gcc.exe
03/31/2015 04:13 AM 558,080 x86_64-linux-android-gcov-tool.exe
03/31/2015 04:13 AM 529,408 x86_64-linux-android-gcov.exe
03/31/2015 04:13 AM 5,268,992 x86_64-linux-android-gdb-orig.exe
03/31/2015 04:13 AM 42,496 x86_64-linux-android-gdb.exe
03/31/2015 04:13 AM 1,039,872 x86_64-linux-android-gprof.exe
03/31/2015 04:13 AM 1,793,024 x86_64-linux-android-ld.bfd.exe
03/31/2015 04:13 AM 4,641,792 x86_64-linux-android-ld.exe
03/31/2015 04:13 AM 4,792 x86_64-linux-android-ld.gold.exe
12/30/2014 03:14 AM 2,127,360 x86_64-linux-android-ld.mcld.exe
03/31/2015 04:13 AM 983,040 x86_64-linux-android-nm.exe
03/31/2015 04:13 AM 1,140,736 x86_64-linux-android-objcopy.exe
03/31/2015 04:13 AM 2,069,504 x86_64-linux-android-objdump.exe
03/31/2015 04:13 AM 998,400 x86_64-linux-android-ranlib.exe
03/31/2015 04:13 AM 497,152 x86_64-linux-android-readelf.exe
03/31/2015 04:13 AM 973,824 x86_64-linux-android-size.exe
03/31/2015 04:13 AM 973,824 x86_64-linux-android-strings.exe
03/31/2015 04:13 AM 1,736 x86_64-linux-android-strip.exe
在类似的StackOverflow帖子中（请参阅：Failed to cross-compile library from Windows to Android），使用的链接器是clang，但是我似乎找不到它。在这种情况下，我不确定是否要通过“链接器”
解决方法
我不得不更改ndk版本，并在llvm工具链中使用编译后的版本：
[target.x86_64-linux-android]
ar = "C:/android-ndk-r21d/toolchains/llvm/prebuilt/windows-x86_64/bin/x86_64-linux-android-ar"
linker = "C:/android-ndk-r21d/toolchains/llvm/prebuilt/windows-x86_64/bin/x86_64-linux-android29-clang.cmd"
要特别注意，如上述线程所述，请使用批处理文件。
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