我的问题是如何以某种方式配置构建,它可以硬编码共享库的所有二进制和库依赖项,而无需使用LD_LIBRARY_PATH
,或类似的东西。
OpenSSL 支持RPATH
开箱即用的 BSD 目标(但不支持其他目标)。从配置:
# Unlike other OSes (like Solaris, Linux, Tru64, IRIX) BSD run-time
# linkers (tested OpenBSD, NetBSD and FreeBSD) "demand" RPATH set on
# .so objects. Apparently application RPATH is not global and does
# not apply to .so linked with other .so. Problem manifests itself
# when libssl.so fails to load libcrypto.so. One can argue that we
# should engrave this into Makefile.shared rules or into BSD-* config
# lines above. Meanwhile let's try to be cautious and pass -rpath to
# linker only when --prefix is not /usr.
if ($target =~ /^BSD\-/)
{
$shared_ldflag.=" -Wl,-rpath,\$(LIBRPATH)" if ($prefix !~ m|^/usr[/]*$|);
}
对 OpenSSL 1.0.2 执行此操作的最简单方法似乎是将其添加为CFLAG
:
./config -Wl,-rpath=/usr/local/ssl/lib
对 OpenSSL 1.0.2 执行此操作的下一个最简单方法似乎是添加配置行并将rpath
. 例如,我正在研究 Debian x86_64。Configure
所以我在编辑器中打开文件,复制linux-x86_64
,命名它linux-x86_64-rpath
,并进行以下更改以添加-rpath
选项:
"linux-x86_64-rpath", "gcc:-m64 -DL_ENDIAN -O3 -Wall -Wl,-rpath=/usr/local/ssl/lib::
-D_REENTRANT::-Wl,-rpath=/usr/local/ssl/lib -ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:
${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
上面,字段 2 和 6 已更改。它们对应于$cflag
并$ldflag
在 OpenSSL 的构建系统中。
然后,使用新配置进行配置:
$ ./Configure linux-x86_64-rpath shared no-ssl2 no-ssl3 no-comp \
--openssldir=/usr/local/ssl enable-ec_nistp_64_gcc_128
最后,在 之后make
,验证设置卡住:
$ readelf -d ./libssl.so | grep -i rpath
0x000000000000000f (RPATH) Library rpath: [/usr/local/ssl/lib]
$ readelf -d ./libcrypto.so | grep -i rpath
0x000000000000000f (RPATH) Library rpath: [/usr/local/ssl/lib]
$ readelf -d ./apps/openssl | grep -i rpath
0x000000000000000f (RPATH) Library rpath: [/usr/local/ssl/lib]
一旦你执行make install
, thenldd
将产生预期的结果:
$ ldd /usr/local/ssl/lib/libssl.so
linux-vdso.so.1 => (0x00007ffceff6c000)
libcrypto.so.1.0.0 => /usr/local/ssl/lib/libcrypto.so.1.0.0 (0x00007ff5eff96000)
...
$ ldd /usr/local/ssl/bin/openssl
linux-vdso.so.1 => (0x00007ffc30d3a000)
libssl.so.1.0.0 => /usr/local/ssl/lib/libssl.so.1.0.0 (0x00007f9e8372e000)
libcrypto.so.1.0.0 => /usr/local/ssl/lib/libcrypto.so.1.0.0 (0x00007f9e832c0000)
...
OpenSSL在其 wiki 上有一个编译和安装。现在已将其添加到 wiki 的编译和安装 | 使用 RPATH