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Common Issues Installing
You may encounter build issues when using Homebrew/Homebrew Cask to install dependencies. Some resolutions to these are listed below:
The eventmachine gem cannot find openssl/ssl.h when compiling with native extensions:
Installing eventmachine 1.0.3 with native extensions
...
make "DESTDIR="
compiling binder.cpp
In file included from binder.cpp:20:
./project.h:107:10: fatal error: 'openssl/ssl.h' file not found
#include <openssl/ssl.h>
^
1 error generated.
make: *** [binder.o] Error 1
To resolve, add the following to your global bundle config:
$ bundle config build.eventmachine --with-cppflags=-I/usr/local/opt/openssl/include
Then try installing dependencies again.
The pg gem cannot find pg_config when compiling with native extensions:
Installing pg 0.17.1 with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/[User]/.rbenv/versions/2.3.1/bin/ruby extconf.rb
checking for pg_config... no
No pg_config... trying anyway. If building fails, please try again with
--with-pg-config=/path/to/pg_config
checking for libpq-fe.h... no
Can't find the 'libpq-fe.h header
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
To resolve, ensure pg_config is on the PATH:
$ export PATH=/Applications/Postgres.app/Contents/Versions/latest/bin:$PATH
or, add the following to your global bundle config:
$ bundle config build.pg --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
Then try installing dependencies again.
The ruby-filemagic gem cannot find libmagic libraries when compiling with native extensions:
Installing ruby-filemagic 0.6.0 with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/[User]/.rbenv/versions/2.3.1/bin/ruby extconf.rb
checking for magic_open() in -lmagic... no
checking for magic.h... no
*** ERROR: missing required library to compile this module
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
To resolve, add the following to your global bundle config:
$ export PKG_CONFIG_PATH="/usr/local/opt/imagemagick@6/lib/pkgconfig:$PKG_CONFIG_PATH"
$ bundle config build.ruby-filemagic --with-magic-include=/usr/local/opt/imagemagick@6/include --with-magic-lib=/usr/local/opt/imagemagick@6/lib
Then try installing dependencies again.
Sometimes, the locations of include, lib and the pkgconfig change. Ensure your variables are up to date by running brew info imagemagick@6:
For compilers to find this software you may need to set:
LDFLAGS: -L/usr/local/opt/imagemagick@6/lib
CPPFLAGS: -I/usr/local/opt/imagemagick@6/include
For pkg-config to find this software you may need to set:
PKG_CONFIG_PATH: /usr/local/opt/imagemagick@6/lib/pkgconfig
As you can see, our variables in the installation above match the variables provided in this command.
You may encounter issues when trying to install bundle dependencies.
The ruby-filemagic gem cannot find libmagic libraries when compiling with native extensions:
Installing ruby-filemagic 0.6.0 with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/[User]/.rbenv/versions/2.3.1/bin/ruby extconf.rb
checking for magic_open() in -lmagic... no
checking for magic.h... no
*** ERROR: missing required library to compile this module
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
To resolve, add the following to your global bundle config:
$ bundle config build.ruby-filemagic --with-magic-include=/usr/local/include --with-magic-lib=/usr/lib
Then try installing dependencies again.