Failing to build ROOT

ROOT
1

Hi all.

This question is probably naive but I haven’t found the answer after extensive google-ing in this forum.
I want to build the latest stable version of ROOT6 on my macOS Sierra. I have homebrew installed and from there I installed mysql and cmake. However, cmake --build fails at 98%, apparently having some issues with my mysql setup,

Scanning dependencies of target RMySQL
[ 98%] Building CXX object sql/mysql/CMakeFiles/RMySQL.dir/G__MySQL.cxx.o
[ 98%] Building CXX object sql/mysql/CMakeFiles/RMySQL.dir/src/TMySQLResult.cxx.o
[ 98%] Building CXX object sql/mysql/CMakeFiles/RMySQL.dir/src/TMySQLRow.cxx.o
[ 98%] Building CXX object sql/mysql/CMakeFiles/RMySQL.dir/src/TMySQLServer.cxx.o
[ 98%] Building CXX object sql/mysql/CMakeFiles/RMySQL.dir/src/TMySQLStatement.cxx.o
[ 98%] Linking CXX shared library ../../lib/libRMySQL.so
ld: library not found for -lssl
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [lib/libRMySQL.so] Error 1
make[1]: *** [sql/mysql/CMakeFiles/RMySQL.dir/all] Error 2
make: *** [all] Error 2

I went through the prerequirements page for ROOT but something still seems to be missing, can you help me out?

Thanks!
heico

2

Dear heico,

Looks like you are missing the SSL library, could you try to install libssl on your system?

Best regards,

Enric

3

Dear etejedor.

Thanks a lot for your reply!
I followed the instructions from this thread, http://stackoverflow.com/questions/38670295/homebrew-refusing-to-link-openssl, but I still get the same error - maybe I didn’t do it right?

Regards,
heico

4

Dear heico,

I would check a couple of thinks:

  • Is Openssl correctly installed in your system? What happens if you type, from a terminal:

openssl

does it open the openssl shell?

And what happens if you type:

otool -L /usr/bin/openssl

you should see something like (note that libssl is there):

/usr/bin/openssl:
    /usr/lib/libcrypto.0.9.8.dylib (compatibility version 0.9.8, current version 0.9.8)
    /usr/lib/libssl.0.9.8.dylib (compatibility version 0.9.8, current version 0.9.8)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1238.50.2)
  • Did you try to build ROOT from scratch after you installed Openssl? I would try to do Cmake again and perform the entire rebuild.

Enric

5

YEAH! It worked. Building from scratch solved it.
Thanks so much for your help!
heico

6

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