[GitHub] [trafficserver] bryancall commented on a diff in pull request #9775: cmake: add OPENSSL_ROOT_DIR to rpath to load the correct lib

["bryancall (via GitHub)" <gi...@apache.org>]

bryancall commented on code in PR #9775:
URL: https://github.com/apache/trafficserver/pull/9775#discussion_r1228351674


##########
CMakeLists.txt:
##########
@@ -166,11 +165,17 @@ include_directories(
         ${CMAKE_BINARY_DIR}/include
         ${PCRE_INCLUDE_DIRS}
 )
+
 if (OPENSSL_FOUND)
     include_directories(${OPENSSL_INCLUDE_DIR})
     link_libraries(${OPENSSL_CRYPTO_LIBRARY})
 endif(OPENSSL_FOUND)
 
+if (OPENSSL_ROOT_DIR)
+    get_filename_component(OPENSSL_LIBRARY_DIR ${OPENSSL_CRYPTO_LIBRARY} DIRECTORY)
+    set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_RPATH}:${OPENSSL_LIBRARY_DIR}")
+endif(OPENSSL_ROOT_DIR)
+

Review Comment:
   Yes, that works and simplifies things.  I tested it and works well:
   
   ```
   08:43:26 zeus:(cmake_boringssl_rpath)~/dev/apache/trafficserver$ objdump -x /opt/ats/bin/traffic_server
   ...
     RUNPATH              /opt/ats/lib:/opt/boringssl/lib64
   ```



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