Class: HiredisConnectionExtconf

Inherits:
Object
  • Object
show all
Defined in:
ext/redis_client/hiredis/extconf.rb

Instance Method Summary collapse

Constructor Details

#initialize(debug) ⇒ HiredisConnectionExtconf

Returns a new instance of HiredisConnectionExtconf.



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# File 'ext/redis_client/hiredis/extconf.rb', line 6

def initialize(debug)
  @debug = debug
end

Instance Method Details

#build_hiredis ⇒ Object 



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# File 'ext/redis_client/hiredis/extconf.rb', line 39

def build_hiredis
  env = {
    "USE_SSL" => 1,
    "CFLAGS" => concat_flags(ENV["CFLAGS"], "-fvisibility=hidden"),
  }
  env["OPTIMIZATION"] = "-g" if @debug

  env = configure_openssl(env)

  env_args = env.map { |k, v| "#{k}=#{v}" }
  Dir.chdir(hiredis_dir) do
    unless system(*Shellwords.split(make_program), "static", *env_args)
      raise "Building hiredis failed"
    end
  end

  $LDFLAGS = concat_flags($LDFLAGS, "-lssl", "-lcrypto")
  $libs = concat_flags($libs, "#{hiredis_dir}/libhiredis.a", "#{hiredis_dir}/libhiredis_ssl.a")
end

#configure ⇒ Object 



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# File 'ext/redis_client/hiredis/extconf.rb', line 10

def configure
  if RUBY_ENGINE == "ruby" && !Gem.win_platform?
    configure_extension
    create_makefile("redis_client/hiredis_connection")
  else
    File.write("Makefile", dummy_makefile($srcdir).join)
  end
end

#configure_extension ⇒ Object 



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# File 'ext/redis_client/hiredis/extconf.rb', line 19

def configure_extension
  build_hiredis

  have_func("rb_hash_new_capa", "ruby.h")

  $CFLAGS = concat_flags($CFLAGS, "-I#{hiredis_dir}", "-std=c99", "-fvisibility=hidden")
  $CFLAGS = if @debug
    concat_flags($CFLAGS, "-Werror", "-g", RbConfig::CONFIG["debugflags"])
  else
    concat_flags($CFLAGS, "-O3")
  end

  if @debug
    $CPPFLAGS = concat_flags($CPPFLAGS, "-DRUBY_DEBUG=1")
  end

  append_cflags("-Wno-declaration-after-statement") # Older compilers
  append_cflags("-Wno-compound-token-split-by-macro") # Older rubies on macos
end

#configure_openssl(original_env) ⇒ Object 



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# File 'ext/redis_client/hiredis/extconf.rb', line 59

def configure_openssl(original_env)
  original_env.dup.tap do |env|
    config = dir_config("openssl")
    if config.none?
      config = dir_config("opt").map { |c| detect_openssl_dir(c) }
    end

    unless have_header("openssl/ssl.h")
      message = "ERROR: OpenSSL library could not be found."
      if config.none?
        message += "\nUse --with-openssl-dir=<dir> option to specify the prefix where OpenSSL is installed."
      end
      abort message
    end

    if config.any?
      env["CFLAGS"] = concat_flags(env["CFLAGS"], "-I#{config.first}")
      env["SSL_LDFLAGS"] = "-L#{config.last}"
    end
  end
end