/usr/bin/ld: cannot find -lcrypto while trying to link

Question

gcc -o clxd -m64 -L/usr/local/lib64 -L/usr/lib64 -L/usr/lib64/nptl -Wl,-rpath,/home/y/lib64 -ldl -lrt -lpthread -lstdc++ -lgcc -lc -lm -lev -L/home/y/lib64 -Wl,-Bstatic -lboost_program_options -lboost_date_time -lboost_filesystem -lboost_regex -lboost_system -lboost_thread -llua -lcrypto -Wl,-Bdynamic -L/usr/lib

The above command is from a make file while executing make using V=1 (verbose) to understand if I have passed on directories properly or not. And it exits with the following error:

/usr/bin/ld: cannot find -lcrypto collect2: ld returned 1 exit status

My understanding from the gcc command, -Bstatic tries to statically link lib crypto (-lcrypto). When I checked under /usr/lib64, I have the following files:

libcrypto.so -> libcrypto.so.1.0.1e
libcrypto.so.10 -> libcrypto.so.1.0.1e
libcrypto.so.1.0.1e

Does -Bstatic link the shared files statically or not? If not how do I get libcrypto.a?

Your distribution (or similar) would need to have a package for them if you wanted the static libraries to link against. — Etan Reisner
– Etan Reisner, Commented Apr 24, 2014 at 20:44
You certainly could build a copy of it from source. Whether you want to is the question. And, if you do, how that interacts with your system copy if you install it (or how you manage it as a general build detail if you don't). — Etan Reisner
– Etan Reisner, Commented Apr 24, 2014 at 20:50

Laion Camargo · Accepted Answer · 2019-01-21 12:30:59Z

6

I solved this on Linux/Macosx by installing libssl-dev.

sudo apt-get install libssl-dev

answered Jan 21, 2019 at 12:30

Laion Camargo

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