brew/Library/Homebrew/extend/os/mac/requirements/java_requirement.rb
Mike McQuaid a4bada575a requirements: define cask on base class.
The `cask` attribute doesn't make as much sense on Linux but can be
ignored there. The advantage of this change is that (like #4086) it
allows figuring out the relevant cask for a formulae requirement on a
Linux machine.
2018-04-18 09:55:44 +01:00

38 lines
934 B
Ruby

class JavaRequirement < Requirement
env do
env_java_common
env_oracle_jdk || env_apple
end
private
undef possible_javas, oracle_java_os
def possible_javas
javas = []
javas << Pathname.new(ENV["JAVA_HOME"])/"bin/java" if ENV["JAVA_HOME"]
javas << java_home_cmd
which_java = which("java")
# /usr/bin/java is a stub on macOS
javas << which_java if which_java.to_s != "/usr/bin/java"
javas
end
def oracle_java_os
:darwin
end
def java_home_cmd
return nil unless File.executable?("/usr/libexec/java_home")
args = %w[--failfast]
args << "--version" << @version.to_s if @version
java_home = Utils.popen_read("/usr/libexec/java_home", *args).chomp
return nil unless $CHILD_STATUS.success?
Pathname.new(java_home)/"bin/java"
end
def env_apple
ENV.append_to_cflags "-I/System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/"
end
end