osx - Dylib ok at link time but not at runtime -

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i have problem linking correctly project. project build cmake.
have problem linking correctly project. project build cmake.
linking seems fine, run time throws error.

the command use link:

$ /usr/bin/clang -wl,-search_paths_first -wl,-headerpad_max_install_names cmakefiles/project.dir/src/conf.c.o cmakefiles/project.dir/src/tun-compat.c.o cmakefiles/project.dir/src/compress.c.o cmakefil\ es/project.dir/src/mc.c.o cmakefiles/project.dir/src/hexdump.c.o cmakefiles/project.dir/src/server.c.o cmakefiles/project.dir/sys/unix/log.c.o cmakefiles/project.dir/sys/unix/imsg.c.o cmakefiles/project.dir/\ sys/unix/imsg-buffer.c.o cmakefiles/project.dir/sys/unix/toto.c.o cmakefiles/project.dir/sys/unix/toto.c.o cmakefiles/project.dir/sys/unix/util.c.o cmakefiles/project.dir/sys/unix/conf.c.o cmakefile\ s/project.dir/sys/unix/tntsocket.c.o -o bin/project /opt/local/lib/libevent_openssl.dylib /opt/local/lib/libevent_core.dylib /usr/lib/libz.dylib /opt/local/lib/libyajl.dylib /opt/local/lib/libtapcfg.dylib

the error get: 

$ ./bin/project                                                                                                                                                                                              dyld: library not loaded: build/libtapcfg.dylib                                                                                                                                                                referenced from: /users/antoine/project/./bin/project                                                                                                                                                        reason: image not found                                                                                                                                                                                    zsh: trace trap  ./bin/project

additional infos: 

        $ dyldinfo -dylibs bin/projectattributes                                                                                                                                                                 dependent dylibs                                                                                                                                                                                                                 /opt/local/lib/libevent_openssl-2.0.5.dylib                                                                                                                                          /opt/local/lib/libevent_core-2.0.5.dylib                                                                                                                                                                                             /usr/lib/libz.1.dylib                                                                                                                                                                                        /opt/local/lib/libyajl.2.dylib                                                                                                                                                                               build/libtapcfg.dylib                                                                                                                                                                                        /usr/lib/libsystem.b.dylib

it looks black magic me. linker able find symbols, end changing path of library if can't see difference in way handled in linking command...

the lib location /opt/local/lib/libtapcfg.dylib 

$ ls -lhf /opt/local/lib/libtapcfg.dylib                                                                                                                                                                     -rwxr-xr-x  1 root  admin    20k 14 jui 18:05 /opt/local/lib/libtapcfg.dylib*

maybe problem come lib linking ?

the issue how built , installed libtapcfg.

you seem have copied local directory /opt/local/lib , file system path not match stored in library.

either leave lib in local path or when building tell linker end or copy /usr/local/lib hard coded in linker. see apple developer's note on dynamic libraries

you should put things in /opt/local when using macports means of port. in case create local portfile not have , macports standard work put correct information in library make work /opt/local/lib


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