[tarantool-patches] Re: [PATCH v1] Fix static build

[Alexander Turenko]

Thanks!

Using ${CMAKE_DL_LIBS} here is the right thing, because, say, FreeBSD 10
does not contain libdl.

The patch looks good for me.

Kirill, please proceed. I would push it down to 1.10.

WBR, Alexander Turenko.

On Fri, Jun 07, 2019 at 06:55:37AM +0300, Alexander V. Tikhonov wrote:
> Added to cmake environment CMAKE_DL_LIBS (The name of the library
> that has dlopen and dlclose in it, usually -ldl) to openssl build
> to add DL library, to fix the following fails:
> 
> Linking CXX executable crypto.test
> /usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_globallookup':
> dso_dlfcn.c:(.text+0x11): undefined reference to `dlopen'
> dso_dlfcn.c:(.text+0x24): undefined reference to `dlsym'
> dso_dlfcn.c:(.text+0x2f): undefined reference to `dlclose'
> /usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_func':
> dso_dlfcn.c:(.text+0x334): undefined reference to `dlsym'
> dso_dlfcn.c:(.text+0x3f2): undefined reference to `dlerror'
> /usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_load':
> dso_dlfcn.c:(.text+0x459): undefined reference to `dlopen'
> dso_dlfcn.c:(.text+0x4c9): undefined reference to `dlclose'
> dso_dlfcn.c:(.text+0x502): undefined reference to `dlerror'
> /usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_pathbyaddr':
> dso_dlfcn.c:(.text+0x5a1): undefined reference to `dladdr'
> dso_dlfcn.c:(.text+0x601): undefined reference to `dlerror'
> /usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_unload':
> dso_dlfcn.c:(.text+0x662): undefined reference to `dlclose'
> collect2: error: ld returned 1 exit status
> make[2]: *** [test/unit/crypto.test] Error 1
> make[1]: *** [test/unit/CMakeFiles/crypto.test.dir/all] Error 2
> 
> Closes #4245
> ---
> 
> Github: https://github.com/tarantool/tarantool/compare/avtikhon/gh-4245-static-build
> Issue: https://github.com/tarantool/tarantool/issues/4245
> 
>  cmake/FindOpenSSL.cmake | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/cmake/FindOpenSSL.cmake b/cmake/FindOpenSSL.cmake
> index 8cd22cc8d..f3ee1de24 100644
> --- a/cmake/FindOpenSSL.cmake
> +++ b/cmake/FindOpenSSL.cmake
> @@ -177,7 +177,7 @@ if(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
>    endif ()
>  endif ()
>  
> -set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY} )
> +set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY} ${CMAKE_DL_LIBS})
>  
>  foreach(_comp IN LISTS OpenSSL_FIND_COMPONENTS)
>    if(_comp STREQUAL "Crypto")
> -- 
> 2.17.1
>