When installing gems on a new project under MacOs using bundler, I encountered the following error for MySql:
Installing mysql2 0.5.2 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
…
linking shared-object mysql2/mysql2.bundle
ld: library not found for -lssl
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [mysql2.bundle] Error 1
It seems the clang compiler couldn’t find an SSL library on the system. The solution was:
> brew install openssl
> bundle config --global build.mysql2 --with-opt-dir="$(brew --prefix openssl)
> bundle
# This also works:> export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/
turnspike 