1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
require File.expand_path('../../../spec_helper', __FILE__)
$extmk = false
require 'rbconfig'
require 'fileutils'
require 'tmpdir'
OBJDIR ||= File.expand_path("../../../ext/#{RUBY_NAME}/#{RUBY_VERSION}", __FILE__)
FileUtils.makedirs(OBJDIR)
def extension_path
File.expand_path("../ext", __FILE__)
end
def object_path
OBJDIR
end
def compile_extension(name)
preloadenv = RbConfig::CONFIG["PRELOADENV"] || "LD_PRELOAD"
preload, ENV[preloadenv] = ENV[preloadenv], nil if preloadenv
path = extension_path
objdir = object_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 = RbConfig::CONFIG["rubyarchhdrdir"] ||
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
elsif RUBY_NAME == 'truffleruby'
return compile_truffleruby_extconf_make(name, path, objdir)
else
raise "Don't know how to build C extensions with #{RUBY_NAME}"
end
ext = "#{name}_spec"
source = File.join(path, "#{ext}.c")
obj = File.join(objdir, "#{ext}.#{RbConfig::CONFIG['OBJEXT']}")
lib = File.join(objdir, "#{ext}.#{RbConfig::CONFIG['DLEXT']}")
ruby_header = File.join(hdrdir, "ruby.h")
rubyspec_header = File.join(path, "rubyspec.h")
return lib if File.exist?(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
true # sentinel
# avoid problems where compilation failed but previous shlib exists
File.delete lib if File.exist? lib
cc = RbConfig::CONFIG["CC"]
cflags = (ENV["CFLAGS"] || RbConfig::CONFIG["CFLAGS"]).dup
cflags += " #{RbConfig::CONFIG["ARCH_FLAG"]}" if RbConfig::CONFIG["ARCH_FLAG"]
cflags += " #{RbConfig::CONFIG["CCDLFLAGS"]}" if RbConfig::CONFIG["CCDLFLAGS"]
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}`
unless $?.success? and File.exist?(obj)
puts "ERROR:\n#{output}"
puts "incflags=#{incflags}"
puts "cflags=#{cflags}"
raise "Unable to compile \"#{source}\""
end
ldshared = RbConfig::CONFIG["LDSHARED"]
ldshared += " #{RbConfig::CONFIG["ARCH_FLAG"]}" if RbConfig::CONFIG["ARCH_FLAG"]
libpath = "-L#{path}"
libs = RbConfig::CONFIG["LIBS"]
dldflags = "#{RbConfig::CONFIG["LDFLAGS"]} #{RbConfig::CONFIG["DLDFLAGS"]} #{RbConfig::CONFIG["EXTDLDFLAGS"]}"
dldflags.sub!(/-Wl,-soname,\S+/, '')
dldflags.sub!("$(TARGET_ENTRY)", "Init_#{ext}")
link_cmd = "#{ldshared} #{obj} #{libpath} #{dldflags} #{libs} -o #{lib}"
output = `#{link_cmd}`
unless $?.success?
puts "ERROR:\n#{link_cmd}\n#{output}"
raise "Unable to link \"#{source}\""
end
lib
ensure
ENV[preloadenv] = preload if preloadenv
end
def compile_extension_truffleruby(name)
sulong_config_file = File.join(extension_path, '.jruby-cext-build.yml')
output_file = File.join(object_path, "#{name}_spec.#{RbConfig::CONFIG['DLEXT']}")
File.open(sulong_config_file, 'w') do |f|
f.puts "src: #{name}_spec.c"
f.puts "out: #{output_file}"
end
command = ["#{RbConfig::CONFIG['bindir']}/../tool/jt.rb", 'cextc', extension_path]
system(*command)
raise "Compilation of #{extension_path} failed: #{$?}\n#{command.join(' ')}" unless $?.success?
output_file
ensure
File.delete(sulong_config_file) if File.exist?(sulong_config_file)
end
def compile_truffleruby_extconf_make(name, path, objdir)
ext = "#{name}_spec"
file = "#{ext}.c"
source = "#{path}/#{file}"
lib_target = "#{objdir}/#{ext}.#{RbConfig::CONFIG['DLEXT']}"
temp_dir = Dir.mktmpdir
begin
copy = "#{temp_dir}/#{file}"
FileUtils.cp "#{path}/rubyspec.h", temp_dir
FileUtils.cp "#{path}/truffleruby.h", temp_dir
FileUtils.cp source, copy
extconf_src = "require 'mkmf'\n" +
"create_makefile('#{ext}', '#{temp_dir}')"
File.write("#{temp_dir}/extconf.rb", extconf_src)
Dir.chdir(temp_dir) do
system "#{RbConfig.ruby} extconf.rb"
system "make" # run make in temp dir
FileUtils.cp "#{ext}.su", lib_target # copy to .su file to library dir
FileUtils.cp "#{ext}.bc", objdir # copy to .bc file to library dir
end
ensure
FileUtils.remove_entry temp_dir
end
lib_target
end
def load_extension(name)
require compile_extension(name)
rescue LoadError
if %r{/usr/sbin/execerror ruby "\(ld 3 1 main ([/a-zA-Z0-9_\-.]+_spec\.so)"} =~ $!.message
system('/usr/sbin/execerror', "#{RbConfig::CONFIG["bindir"]}/ruby", "(ld 3 1 main #{$1}")
end
raise
end
# Constants
CAPI_SIZEOF_LONG = [0].pack('l!').size
|