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For MacOS Catalina, visit Install mysql2 on MacOS Catalina. Problem. Installing mysql2 gem errors on MacOS Mojave.. Solution. Make sure openssl is installed on Mac via Homebrew. S. M. Garver,Spring 1998 Some plugins depend on the native extension library. It means that you need to install development packages to build it e.g. gcc, make, autoconf, etc. Install development packages first, if you see logs like this: Hello Rubyists - I read Paolo Perrotta's Metaprogramming Ruby 2 a few years ago and it instantly became my favorite Ruby book. After being away from Ruby for awhile now (PHP job), I've begun re-reading this book and taking notes on some of the chapters.

make sure there will be an unpatch target that reverses all the changes done in the patch target ; make the clean target depend on the unpatch target ; make the build target depend on the patch target ; Review each of the template files (debian/*.ex). If your package needs that feature, then customize the file as needed and rename it without

DESTDIR (automake) - GNU

DESTDIR (GNU Coding Standards)

c - DESTDIR and PREFIX of make - Stack Overflow