在Mac OS架构x86_64的未定义符号

问题描述：

我想在Mac OS 10.10安装安全通道软件，我收到以下错误在Mac OS架构x86_64的未定义符号

用于建筑x86_64的未定义符号

在执行make命令从终端。

下面

是详细的日志：

Making all in src 
/Applications/Xcode.app/Contents/Developer/usr/bin/make all-am 
/bin/sh ../libtool --tag=CC --mode=link gcc -g -O2 -D_THREAD_SAFE -pthread -Wall -Wextra -Wpedantic  -Wformat=2 -Wconversion -Wno-long-long -Wno-deprecated-declarations -fstack-protector -fPIE - D_FORTIFY_SOURCE=2 -L/usr/local/openssl/lib64 -L/usr/local/openssl/lib -lssl -lcrypto -fPIE -pie -o  stunnel stunnel-tls.o stunnel-str.o stunnel-file.o stunnel-client.o stunnel-log.o stunnel-options.o stunnel-protocol.o stunnel-network.o stunnel-resolver.o stunnel-ssl.o stunnel-ctx.o stunnel-verify.o stunnel-sthreads.o stunnel-fd.o stunnel-dhparam.o stunnel-cron.o stunnel-stunnel.o stunnel-pty.o stunnel-libwrap.o stunnel-ui_unix.o -lz 
libtool: link: gcc -g -O2 -D_THREAD_SAFE -pthread -Wall -Wextra -Wpedantic -Wformat=2 -Wconversion - Wno-long-long -Wno-deprecated-declarations -fstack-protector -fPIE -D_FORTIFY_SOURCE=2 -fPIE -pie -o stunnel stunnel-tls.o stunnel-str.o stunnel-file.o stunnel-client.o stunnel-log.o stunnel-options.o  stunnel-protocol.o stunnel-network.o stunnel-resolver.o stunnel-ssl.o stunnel-ctx.o stunnel-verify.o stunnel-sthreads.o stunnel-fd.o stunnel-dhparam.o stunnel-cron.o stunnel-stunnel.o stunnel-pty.o stunnel-libwrap.o stunnel-ui_unix.o -L/usr/local/openssl/lib64 -L/usr/local/openssl/lib -lssl -lcrypto  -lz -pthread 
clang: warning: argument unused during compilation: '-pthread' 
clang: warning: argument unused during compilation: '-pie' 
clang: warning: argument unused during compilation: '-pthread' 
ld: warning: directory not found for option '-L/usr/local/openssl/lib64' 
ld: warning: directory not found for option '-L/usr/local/openssl/lib' 
Undefined symbols for architecture x86_64: 
"_CRYPTO_THREADID_set_callback", referenced from: 
    _sthreads_init in stunnel-sthreads.o 
"_CRYPTO_THREADID_set_numeric", referenced from: 
    _threadid_func in stunnel-sthreads.o 
"_ERR_remove_thread_state", referenced from: 
    _client_run in stunnel-client.o 
"_SSL_CTX_set_psk_client_callback", referenced from: 
    _context_init in stunnel-ctx.o 
"_SSL_CTX_set_psk_server_callback", referenced from: 
    _context_init in stunnel-ctx.o 
"_TLSv1_1_client_method", referenced from: 
    _parse_service_option in stunnel-options.o 
"_TLSv1_1_server_method", referenced from: 
    _parse_service_option in stunnel-options.o 
"_TLSv1_2_client_method", referenced from: 
    _parse_service_option in stunnel-options.o 
"_TLSv1_2_server_method", referenced from: 
    _parse_service_option in stunnel-options.o 
"_X509_STORE_get1_certs", referenced from: 
    _verify_callback in stunnel-verify.o 
"_X509_check_email", referenced from: 
    _verify_callback in stunnel-verify.o 
"_X509_check_host", referenced from: 
    _verify_callback in stunnel-verify.o 
"_X509_check_ip_asc", referenced from: 
    _verify_callback in stunnel-verify.o 
ld: symbol(s) not found for architecture x86_64 
clang: error: linker command failed with exit code 1 (use -v to see invocation) 
make[2]: *** [stunnel] Error 1 
make[1]: *** [all] Error 2 
make: *** [all-recursive] Error 1

'brew install stunnel'你完成了（[Homebrew]（http://brew.sh））。 Linker表示，它无法找到x86_64架构的符号。另外，如果你仔细阅读你的日志（'ld：warning：找不到选项'-L/usr/local/openssl/lib64'），它也说它找不到openssl目录（32＆64位）。安装openssl，并尝试再次构建它。或者只安装Homebrew和'brew install stunnel'。 – robertvojta

答

这个问题来了，因为可安装依赖于OpenSSL，它不能够f ind与OpenSSL相关的库。

此问题可能有两种可能原因： 1.系统中未安装OpenSSL。在这种情况下，需要先安装OpenSSL，然后再安装stunnel。

OpenSSL未安装在标准路径中。

答

你需要传递参数与并行线程和馅饼不-pthread但-lpthread而不是-pie但-lpie链接

还有一些在/usr/local/openssl/尝试没有库用brew或macports安装它们或只下载二进制文件。

的提示在那里，就在你的面前：

铛：警告：在编译过程中未使用的说法： '-pthread'

...

LD：警告：目录没有找到选项'-L/usr/local/openssl/lib64'

在Mac OS架构x86_64的未定义符号

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