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require File.expand_path('../../../spec_helper', __FILE__)
require 'rbconfig'
# Generate a version.h file for specs to use
File.open File.expand_path("../ext/rubyspec_version.h", __FILE__), "w" do |f|
# Yes, I know CONFIG variables exist for these, but
# who knows when those could be removed without warning.
major, minor, teeny = RUBY_VERSION.split(".")
f.puts "#define RUBY_VERSION_MAJOR #{major}"
f.puts "#define RUBY_VERSION_MINOR #{minor}"
f.puts "#define RUBY_VERSION_TEENY #{teeny}"
end
CAPI_RUBY_SIGNATURE = "#{RUBY_NAME}-#{RUBY_VERSION}"
def compile_extension(name)
path = extension_path
# TODO use rakelib/ext_helper.rb?
arch_hdrdir = nil
ruby_hdrdir = nil
if RUBY_NAME == 'rbx'
hdrdir = RbConfig::CONFIG["rubyhdrdir"]
elsif RUBY_NAME =~ /^ruby/
if hdrdir = RbConfig::CONFIG["rubyhdrdir"]
arch_hdrdir = File.join hdrdir, RbConfig::CONFIG["arch"]
ruby_hdrdir = File.join hdrdir, "ruby"
else
hdrdir = RbConfig::CONFIG["archdir"]
end
elsif RUBY_NAME == 'jruby'
require 'mkmf'
hdrdir = $hdrdir
elsif RUBY_NAME == "maglev"
require 'mkmf'
hdrdir = $hdrdir
else
raise "Don't know how to build C extensions with #{RUBY_NAME}"
end
ext = File.join(path, "#{name}_spec")
source = "#{ext}.c"
obj = "#{ext}.o"
lib = "#{ext}.#{RbConfig::CONFIG['DLEXT']}"
signature = "#{ext}.sig"
ruby_header = File.join(hdrdir, "ruby.h")
rubyspec_header = File.join(path, "rubyspec.h")
mri_header = File.join(path, "mri.h")
return lib if File.exists?(signature) and
IO.read(signature).chomp == CAPI_RUBY_SIGNATURE and
File.exists?(lib) and File.mtime(lib) > File.mtime(source) and
File.mtime(lib) > File.mtime(ruby_header) and
File.mtime(lib) > File.mtime(rubyspec_header) and
File.mtime(lib) > File.mtime(mri_header)
# avoid problems where compilation failed but previous shlib exists
File.delete lib if File.exists? lib
cc = RbConfig::CONFIG["CC"]
cflags = (ENV["CFLAGS"] || RbConfig::CONFIG["CFLAGS"]).dup
cflags += " #{RbConfig::CONFIG["ARCH_FLAG"]}" if RbConfig::CONFIG["ARCH_FLAG"]
cflags += " -fPIC" unless cflags.include?("-fPIC")
incflags = "-I#{path} -I#{hdrdir}"
incflags << " -I#{arch_hdrdir}" if arch_hdrdir
incflags << " -I#{ruby_hdrdir}" if ruby_hdrdir
output = `#{cc} #{incflags} #{cflags} -c #{source} -o #{obj}`
if $?.exitstatus != 0 or !File.exists?(obj)
puts "ERROR:\n#{output}"
raise "Unable to compile \"#{source}\""
end
ldshared = RbConfig::CONFIG["LDSHARED"]
ldshared += " #{RbConfig::CONFIG["ARCH_FLAG"]}" if RbConfig::CONFIG["ARCH_FLAG"]
libpath = "-L#{path}"
libs = RbConfig::CONFIG["LIBS"]
dldflags = "#{RbConfig::CONFIG["LDFLAGS"]} #{RbConfig::CONFIG["DLDFLAGS"]}"
dldflags.sub!(/-Wl,-soname,\S+/, '')
output = `#{ldshared} #{obj} #{libpath} #{dldflags} #{libs} -o #{lib}`
if $?.exitstatus != 0
puts "ERROR:\n#{output}"
raise "Unable to link \"#{source}\""
end
File.open(signature, "w") { |f| f.puts CAPI_RUBY_SIGNATURE }
lib
end
def extension_path
File.expand_path("../ext", __FILE__)
end
def load_extension(name)
require compile_extension(name)
end
# Constants
CAPI_SIZEOF_LONG = [0].pack('l!').size
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