标签：ble sudo lib 编译 strong enc err nbsp exe
在 Arch 下编译 OpenWRT (15.05) cmcurl 时报错：
[ 28%] Linking C executable LIBCURL
lib/libcmcurl.a(openssl.c.o): In function `cert_stuff`: openssl.c:(.text+0x97a): undefined reference to `sk_num` openssl.c:(.text+0x99a): undefined reference to `sk_pop` openssl.c:(.text+0xa21): undefined reference to `sk_num` openssl.c:(.text+0xa62): undefined reference to `sk_pop_free` lib/libcmcurl.a(openssl.c.o): In function `Curl_ossl_init`: openssl.c:(.text+0xf74): undefined reference to `SSL_load_error_strings` openssl.c:(.text+0xf79): undefined reference to `SSL_library_init` openssl.c:(.text+0xf89): undefined reference to `OPENSSL_add_all_algorithms_noconf` lib/libcmcurl.a(openssl.c.o): In function `Curl_ossl_cleanup`: openssl.c:(.text+0xfad): undefined reference to `EVP_cleanup` openssl.c:(.text+0xfb2): undefined reference to `ERR_free_strings` lib/libcmcurl.a(openssl.c.o): In function `verifyhost`: openssl.c:(.text+0x1a7a): undefined reference to `sk_num` openssl.c:(.text+0x1a9a): undefined reference to `sk_value` lib/libcmcurl.a(openssl.c.o): In function `ossl_connect_step1`: openssl.c:(.text+0x29a5): undefined reference to `SSLv23_client_method` lib/libcmcurl.a(openssl.c.o): In function `X509V3_ext`: openssl.c:(.text+0x3a77): undefined reference to `sk_num` openssl.c:(.text+0x3aab): undefined reference to `sk_value` openssl.c:(.text+0x3d5c): undefined reference to `sk_num` lib/libcmcurl.a(openssl.c.o): In function `get_cert_chain`: openssl.c:(.text+0x3fe2): undefined reference to `sk_num` openssl.c:(.text+0x4061): undefined reference to `sk_value` lib/libcmcurl.a(openssl.c.o): In function `Curl_ossl_version`: openssl.c:(.text+0x61c3): undefined reference to `SSLeay` collect2: error: ld returned 1 exit status
看得出来应该是相关库未链接成功。
查阅了相关文档，发现这些方法是在老的 OpenSSL 中存在的，首先先安装老版本：
$ sudo pacman -S openssl-1.0
使用软链接的方式，更改默认库的指向使用老版本即可（若已有软链接，需要先删除），如：
# rm libcrypto.so # rm libssl.so # ln -s libcrypto.so.1.0.0 libcrypto.so # ln -s libssl.so.1.0.0 libssl.so
在 Arch 下编译 OpenWRT cmcurl 问题与解决方案
标签：ble sudo lib 编译 strong enc err nbsp exe
原文地址：http://www.cnblogs.com/sigeryoung/p/arch-compiling-openwrt-openssl-issue.html
