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#
# This file is part of ruby-ffi.
# For licensing, see LICENSE.SPECS
#
require 'rbconfig'
FFI_RUBY_SIGNATURE = "#{RUBY_NAME}-#{RUBY_VERSION}"
def compile_file(file)
base = file.gsub(/\.[^\.]+\Z/, "")
obj = "#{base}.o"
signature = "#{base}.sig"
return false if File.exists?(signature) and
IO.read(signature).chomp == FFI_RUBY_SIGNATURE and
File.exists?(obj) and File.mtime(obj) > File.mtime(file)
cc = RbConfig::CONFIG["CC"] || 'cc'
cflags = RbConfig::CONFIG["CFLAGS"]
output = `#{cc} #{cflags} #{ENV["CFLAGS"]} -c #{file} -o #{obj}`
if $?.exitstatus != 0 or !File.exists?(obj)
puts "ERROR:\n#{file}"
raise "Unable to compile \"#{file}\""
end
File.open(signature, "w") { |f| f.puts FFI_RUBY_SIGNATURE }
true
end
def compile_library(path, lib)
dir = File.expand_path("../#{path}", __FILE__)
files = Dir["#{dir}/*.{c,cpp}"]
objs = files.map do |f|
base = f.gsub(/\.[^\.]+\Z/, "")
"#{base}.o"
end
needs_compile = false
files.each do |file|
file_compiled = compile_file(file)
needs_compile ||= file_compiled
end
lib = "#{dir}/#{lib}"
if !File.exists?(lib) || needs_compile
ldshared = RbConfig::CONFIG["LDSHARED"] || "clang -dynamic -bundle"
libs = RbConfig::CONFIG["LIBS"]
dldflags = RbConfig::CONFIG["DLDFLAGS"] || "-Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress"
output = `#{ldshared} #{objs.join(" ")} #{dldflags} #{libs} -o #{lib}`
if $?.exitstatus != 0
puts "ERROR:\n#{output}"
raise "Unable to link \"#{lib}\""
end
end
lib
end
require "ffi"
module TestLibrary
PATH = compile_library("fixtures", "libtest.#{FFI::Platform::LIBSUFFIX}")
end
module LibTest
extend FFI::Library
ffi_lib TestLibrary::PATH
end
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