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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
# frozen_string_literal: true
require 'mkmf'
# :stopdoc:
bundle = enable_config('bundled-libffi')
if ! bundle
dir_config 'libffi'
pkg_config("libffi") and
ver = pkg_config("libffi", "modversion")
if have_header(ffi_header = 'ffi.h')
true
elsif have_header(ffi_header = 'ffi/ffi.h')
$defs.push(format('-DUSE_HEADER_HACKS'))
true
end and (have_library('ffi') || have_library('libffi'))
end or
begin
ver = bundle != false &&
Dir.glob("#{$srcdir}/libffi-*/")
.map {|n| File.basename(n)}
.max_by {|n| n.scan(/\d+/).map(&:to_i)}
unless ver
raise "missing libffi. Please install libffi."
end
srcdir = "#{$srcdir}/#{ver}"
ffi_header = 'ffi.h'
libffi = Struct.new(*%I[dir srcdir builddir include lib a cflags ldflags opt arch]).new
libffi.dir = ver
if $srcdir == "."
libffi.builddir = "#{ver}/#{RUBY_PLATFORM}"
libffi.srcdir = "."
else
libffi.builddir = libffi.dir
libffi.srcdir = relative_from(srcdir, "..")
end
libffi.include = "#{libffi.builddir}/include"
libffi.lib = "#{libffi.builddir}/.libs"
libffi.a = "#{libffi.lib}/libffi_convenience.#{$LIBEXT}"
nowarn = CONFIG.merge("warnflags"=>"")
libffi.cflags = RbConfig.expand("$(CFLAGS)".dup, nowarn)
ver = ver[/libffi-(.*)/, 1]
FileUtils.mkdir_p(libffi.dir)
libffi.opt = CONFIG['configure_args'][/'(-C)'/, 1]
libffi.ldflags = RbConfig.expand("$(LDFLAGS) #{libpathflag([relative_from($topdir, "..")])} #{$LIBRUBYARG}".dup)
libffi.arch = RbConfig::CONFIG['host']
if $mswin
unless find_executable(as = /x64/ =~ libffi.arch ? "ml64" : "ml")
raise "missing #{as} command."
end
$defs << "-DFFI_BUILDING"
libffi_config = "#{relative_from($srcdir, '..')}/win32/libffi-config.rb"
config = CONFIG.merge("top_srcdir" => $top_srcdir)
args = $ruby.gsub(/:\/=\\/, '')
args.gsub!(/\)\\/, ')/')
args = args.shellsplit
args.map! {|s| RbConfig.expand(s, config)}
args << '-C' << libffi.dir << libffi_config
opts = {}
else
args = %W[sh #{libffi.srcdir}/configure ]
opts = {chdir: libffi.dir}
end
cc = RbConfig::CONFIG['CC']
cxx = RbConfig::CONFIG['CXX']
ld = RbConfig::CONFIG['LD']
args.concat %W[
--srcdir=#{libffi.srcdir}
--host=#{libffi.arch}
--enable-builddir=#{RUBY_PLATFORM}
]
args << ($enable_shared || !$static ? '--enable-shared' : '--enable-static')
args << libffi.opt if libffi.opt
args.concat %W[
CC=#{cc} CFLAGS=#{libffi.cflags}
CXX=#{cxx} CXXFLAGS=#{RbConfig.expand("$(CXXFLAGS)".dup, nowarn)}
LD=#{ld} LDFLAGS=#{libffi.ldflags}
]
FileUtils.rm_f("#{libffi.include}/ffitarget.h")
Logging::open do
Logging.message("%p in %p\n", args, opts)
unless system(*args, **opts)
begin
IO.copy_stream(libffi.dir + "/config.log", Logging.instance_variable_get(:@logfile))
rescue SystemCallError => e
Logfile.message("%s\n", e.message)
end
raise "failed to configure libffi. Please install libffi."
end
end
if $mswin && File.file?("#{libffi.include}/ffitarget.h")
FileUtils.rm_f("#{libffi.include}/ffitarget.h")
end
unless File.file?("#{libffi.include}/ffitarget.h")
FileUtils.cp("#{srcdir}/src/x86/ffitarget.h", libffi.include, preserve: true)
end
$INCFLAGS << " -I" << libffi.include
end
if ver
ver = ver.gsub(/-rc\d+/, '') # If ver contains rc version, just ignored.
ver = (ver.split('.') + [0,0])[0,3]
$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % ver }})
end
have_header 'sys/mman.h'
if have_header "dlfcn.h"
have_library "dl"
%w{ dlopen dlclose dlsym }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
have_func "dlerror"
elsif have_header "windows.h"
%w{ LoadLibrary FreeLibrary GetProcAddress }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
end
have_const('FFI_STDCALL', ffi_header)
config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
types.each do |type, signed|
if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
if size = $2 and size != 'VOIDP'
size = types.fetch(size) {size}
$defs << format("-DTYPE_%s=TYPE_%s", signed||type, size)
end
if signed
check_signedness(type.downcase, "stddef.h")
end
end
end
if libffi
$LOCAL_LIBS.prepend("./#{libffi.a} ").strip! # to exts.mk
$INCFLAGS.gsub!(/-I#{libffi.dir}/, '-I$(LIBFFI_DIR)')
end
$INCFLAGS << " -I$(top_srcdir)"
create_makefile 'fiddle' do |conf|
if !libffi
next conf << "LIBFFI_CLEAN = none\n"
elsif $gnumake && !$nmake
submake_arg = "-C $(LIBFFI_DIR)\n"
else
submake_pre = "cd $(LIBFFI_DIR) && #{config_string("exec")}".strip
end
if $nmake
cmd = "$(RUBY) -C $(LIBFFI_DIR) #{libffi_config} --srcdir=$(LIBFFI_SRCDIR)"
else
cmd = "cd $(LIBFFI_DIR) && #$exec $(LIBFFI_SRCDIR)/configure #{libffi.opt}"
end
sep = "/"
seprpl = config_string('BUILD_FILE_SEPARATOR') {|s| sep = s; ":/=#{s}" if s != "/"} || ""
conf << <<-MK.gsub(/^ +| +$/, '')
PWD =
LIBFFI_CONFIGURE = #{cmd}
LIBFFI_ARCH = #{libffi.arch}
LIBFFI_SRCDIR = #{libffi.srcdir.sub(libffi.dir, '$(LIBFFI_DIR)')}
LIBFFI_DIR = #{libffi.dir}
LIBFFI_A = #{libffi.a.sub(libffi.dir, '$(LIBFFI_DIR)')}
LIBFFI_CFLAGS = #{libffi.cflags}
LIBFFI_LDFLAGS = #{libffi.ldflags}
FFI_H = $(LIBFFI_DIR)/include/ffi.h
SUBMAKE_PRE = #{submake_pre}
SUBMAKE_ARG = #{submake_arg}
LIBFFI_CLEAN = libffi
MK
end
if libffi
$LIBPATH.pop
end
# :startdoc:
|
