描述
我正在尝试构建仅针对iphonesimulator目标的库，其架构为arm64，但链接步骤失败并出现错误：
${LDCMD:-/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang} -O3 -fvisibility=hidden -miphoneos-version-min=9.0 -fembed-bitcode -fPIC -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk -L. -Wl,-search_paths_first \
-o apps/openssl apps/asn1pars.o apps/ca.o apps/ciphers.o apps/cms.o apps/crl.o apps/crl2p7.o apps/dgst.o apps/dhparam.o apps/dsa.o apps/dsaparam.o apps/ec.o apps/ecparam.o apps/enc.o apps/errstr.o apps/gendsa.o apps/genpkey.o apps/genrsa.o apps/nseq.o apps/ocsp.o apps/openssl.o apps/passwd.o apps/pkcs12.o apps/pkcs7.o apps/pkcs8.o apps/pkey.o apps/pkeyparam.o apps/pkeyutl.o apps/prime.o apps/rand.o apps/rehash.o apps/req.o apps/rsa.o apps/rsautl.o apps/s_client.o apps/s_server.o apps/s_time.o apps/sess_id.o apps/smime.o apps/speed.o apps/spkac.o apps/srp.o apps/storeutl.o apps/ts.o apps/verify.o apps/version.o apps/x509.o \
apps/libapps.a -lssl -lcrypto
ld: building for iOS, but linking in .tbd file (/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk/usr/lib/libSystem.tbd) built for iOS Simulator, file '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk/usr/lib/libSystem.tbd' for architecture arm64
配置命令：
./Configure iossimulator-xcrun threads no-shared "-fvisibility=hidden -miphoneos-version-min=9.0 -fembed-bitcode -fPIC" no-asm no-hw no-async --prefix=/Users/macosuser/Build/OpenSSL/Install "-arch arm64" "-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk"
Configuring OpenSSL version 1.1.1j (0x101010afL) for iossimulator-xcrun
Using os-specific seed configuration
Creating configdata.pm
Creating Makefile
构建命令的格式如下：
...
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -I. -Iinclude -Iapps -O3 -fvisibility=hidden -miphoneos-version-min=9.0 -fembed-bitcode -fPIC -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk -D_REENTRANT -DNDEBUG -MMD -MF apps/x509.d.tmp -MT apps/x509.o -c -o apps/x509.o apps/x509.c
...
问题
我不明白为什么其他架构（i386，x86_64）可以无问题地进行构建。也许我错过了一些微妙之处，但我无法理解是哪一个。
为什么需要这个 - 使用此库的应用程序必须在搭载 M1 处理器的 MacBook 上的模拟器上运行。
环境规格
- MacOS 11.4
- XCode v12.5
- OpenSSL v1.1.1j
- 编译器 -
AppleClang 12.0.5.12050022