Class: Rscons::ConfigureOp

Inherits:
Object
  • Object
show all
Defined in:
lib/rscons/configure_op.rb

Overview

Class to manage a configure operation.

Instance Method Summary collapse

Constructor Details

#initialize(script) ⇒ ConfigureOp

Create a ConfigureOp.

Parameters:

  • script (Script) —

    Build script.



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/rscons/configure_op.rb', line 12

def initialize(script)
  @work_dir = "#{Rscons.application.build_dir}/_configure"
  FileUtils.mkdir_p(@work_dir)
  @log_fh = File.open("#{@work_dir}/config.log", "wb")
  cache = Cache.instance
  cache["failed_commands"] = []
  cache["configuration_data"] = {}
  unless Rscons.application.silent_configure
    if project_name = script.project_name
      Ansi.write($stdout, "Configuring ", :cyan, project_name, :reset, "...\n")
    else
      $stdout.puts "Configuring project..."
    end
  end
  vars = {}
  Task["configure"].params.each do |name, param|
    unless Rscons.application.silent_configure
      Ansi.write($stdout, "Setting #{name}... ", :green, param.value, :reset, "\n")
    end
    vars[name] = param.value
  end
  store_merge(vars)
end

Instance Method Details

#check_c_compiler(*ccc) ⇒ void

This method returns an undefined value.

Check for a working C compiler.

Parameters:

  • ccc (Array<String>) —

    C compiler(s) to check for.



57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/rscons/configure_op.rb', line 57

def check_c_compiler(*ccc)
  $stdout.write("Checking for C compiler... ")
  options = {}
  if ccc.last.is_a?(Hash)
    options = ccc.slice!(-1)
  end
  if ccc.empty?
    # Default C compiler search array.
    ccc = %w[gcc clang]
  end
  cc = ccc.find do |cc|
    test_c_compiler(cc)
  end
  complete(cc ? 0 : 1, options.merge(success_message: cc))
end

#check_c_header(header_name, options = {}) ⇒ Object

Check for a C header.



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
 
# File 'lib/rscons/configure_op.rb', line 135

def check_c_header(header_name, options = {})
  check_cpppath = [nil] + (options[:check_cpppath] || [])
  Ansi.write($stdout, "Checking for C header '", :cyan, header_name, :reset, "'... ")
  File.open("#{@work_dir}/cfgtest.c", "wb") do |fh|
    fh.puts <<-EOF
      #include "#{header_name}"
      int main(int argc, char * argv[]) {
        return 0;
      }
    EOF
  end
  vars = {
    "LD" => "${CC}",
    "_SOURCES" => "#{@work_dir}/cfgtest.c",
    "_TARGET" => "#{@work_dir}/cfgtest.o",
    "_DEPFILE" => "#{@work_dir}/cfgtest.mf",
  }
  status = 1
  check_cpppath.each do |cpppath|
    env = BasicEnvironment.new
    if cpppath
      env["CPPPATH"] += Array(cpppath)
    end
    command = env.build_command("${CCCMD}", vars)
    _, _, status = log_and_test_command(command)
    if status == 0
      if cpppath
        store_append({"CPPPATH" => Array(cpppath)}, options)
      end
      break
    end
  end
  complete(status, options)
end

#check_cfg(options = {}) ⇒ Object

Check for a package or configure program output.



118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
 
# File 'lib/rscons/configure_op.rb', line 118

def check_cfg(options = {})
  if package = options[:package]
    Ansi.write($stdout, "Checking for package '", :cyan, package, :reset, "'... ")
  elsif program = options[:program]
    Ansi.write($stdout, "Checking '", :cyan, program, :reset, "'... ")
  end
  program ||= "pkg-config"
  args = options[:args] || %w[--cflags --libs]
  command = [program, *args, package].compact
  stdout, _, status = log_and_test_command(command)
  if status == 0
    store_parse(stdout, options)
  end
  complete(status, options)
end

#check_cxx_compiler(*ccc) ⇒ void

This method returns an undefined value.

Check for a working C++ compiler.

Parameters:

  • ccc (Array<String>) —

    C++ compiler(s) to check for.



79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
 
# File 'lib/rscons/configure_op.rb', line 79

def check_cxx_compiler(*ccc)
  $stdout.write("Checking for C++ compiler... ")
  options = {}
  if ccc.last.is_a?(Hash)
    options = ccc.slice!(-1)
  end
  if ccc.empty?
    # Default C++ compiler search array.
    ccc = %w[g++ clang++]
  end
  cc = ccc.find do |cc|
    test_cxx_compiler(cc)
  end
  complete(cc ? 0 : 1, options.merge(success_message: cc))
end

#check_cxx_header(header_name, options = {}) ⇒ Object

Check for a C++ header.



171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
 
# File 'lib/rscons/configure_op.rb', line 171

def check_cxx_header(header_name, options = {})
  check_cpppath = [nil] + (options[:check_cpppath] || [])
  Ansi.write($stdout, "Checking for C++ header '", :cyan, header_name, :reset, "'... ")
  File.open("#{@work_dir}/cfgtest.cxx", "wb") do |fh|
    fh.puts <<-EOF
      #include "#{header_name}"
      int main(int argc, char * argv[]) {
        return 0;
      }
    EOF
  end
  vars = {
    "LD" => "${CXX}",
    "_SOURCES" => "#{@work_dir}/cfgtest.cxx",
    "_TARGET" => "#{@work_dir}/cfgtest.o",
    "_DEPFILE" => "#{@work_dir}/cfgtest.mf",
  }
  status = 1
  check_cpppath.each do |cpppath|
    env = BasicEnvironment.new
    if cpppath
      env["CPPPATH"] += Array(cpppath)
    end
    command = env.build_command("${CXXCMD}", vars)
    _, _, status = log_and_test_command(command)
    if status == 0
      if cpppath
        store_append({"CPPPATH" => Array(cpppath)}, options)
      end
      break
    end
  end
  complete(status, options)
end

#check_d_compiler(*cdc) ⇒ void

This method returns an undefined value.

Check for a working D compiler.

Parameters:

  • cdc (Array<String>) —

    D compiler(s) to check for.



101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/rscons/configure_op.rb', line 101

def check_d_compiler(*cdc)
  $stdout.write("Checking for D compiler... ")
  options = {}
  if cdc.last.is_a?(Hash)
    options = cdc.slice!(-1)
  end
  if cdc.empty?
    # Default D compiler search array.
    cdc = %w[gdc ldc2]
  end
  dc = cdc.find do |dc|
    test_d_compiler(dc)
  end
  complete(dc ? 0 : 1, options.merge(success_message: dc))
end

#check_d_import(d_import, options = {}) ⇒ Object

Check for a D import.



207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
 
# File 'lib/rscons/configure_op.rb', line 207

def check_d_import(d_import, options = {})
  check_d_import_path = [nil] + (options[:check_d_import_path] || [])
  Ansi.write($stdout, "Checking for D import '", :cyan, d_import, :reset, "'... ")
  File.open("#{@work_dir}/cfgtest.d", "wb") do |fh|
    fh.puts <<-EOF
      import #{d_import};
      int main() {
        return 0;
      }
    EOF
  end
  vars = {
    "LD" => "${DC}",
    "_SOURCES" => "#{@work_dir}/cfgtest.d",
    "_TARGET" => "#{@work_dir}/cfgtest.o",
    "_DEPFILE" => "#{@work_dir}/cfgtest.mf",
  }
  status = 1
  check_d_import_path.each do |d_import_path|
    env = BasicEnvironment.new
    if d_import_path
      env["D_IMPORT_PATH"] += Array(d_import_path)
    end
    command = env.build_command("${DCCMD}", vars)
    _, _, status = log_and_test_command(command)
    if status == 0
      if d_import_path
        store_append({"D_IMPORT_PATH" => Array(d_import_path)}, options)
      end
      break
    end
  end
  complete(status, options)
end

#check_lib(lib, options = {}) ⇒ Object

Check for a library.



243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
 
# File 'lib/rscons/configure_op.rb', line 243

def check_lib(lib, options = {})
  check_libpath = [nil] + (options[:check_libpath] || [])
  Ansi.write($stdout, "Checking for library '", :cyan, lib, :reset, "'... ")
  File.open("#{@work_dir}/cfgtest.c", "wb") do |fh|
    fh.puts <<-EOF
      int main(int argc, char * argv[]) {
        return 0;
      }
    EOF
  end
  vars = {
    "LD" => "${CC}",
    "LIBS" => [lib],
    "_SOURCES" => "#{@work_dir}/cfgtest.c",
    "_TARGET" => "#{@work_dir}/cfgtest.exe",
  }
  status = 1
  check_libpath.each do |libpath|
    env = BasicEnvironment.new
    if libpath
      env["LIBPATH"] += Array(libpath)
    end
    command = env.build_command("${LDCMD}", vars)
    _, _, status = log_and_test_command(command)
    if status == 0
      if libpath
        store_append({"LIBPATH" => Array(libpath)}, options)
      end
      break
    end
  end
  if status == 0
    store_append({"LIBS" => [lib]}, options)
  end
  complete(status, options)
end

#check_program(program, options = {}) ⇒ Object

Check for a executable program.



281
282
283
284
285
 
# File 'lib/rscons/configure_op.rb', line 281

def check_program(program, options = {})
  Ansi.write($stdout, "Checking for program '", :cyan, program, :reset, "'... ")
  path = Util.find_executable(program)
  complete(path ? 0 : 1, options.merge(success_message: path))
end

#close(success) ⇒ void

This method returns an undefined value.

Close the log file handle.

Parameters:

  • success (Boolean) —

    Whether all configure operations were successful.



42
43
44
45
46
47
48
49
 
# File 'lib/rscons/configure_op.rb', line 42

def close(success)
  @log_fh.close
  @log_fh = nil
  cache = Cache.instance
  cache["configuration_data"]["configured"] = success
  cache["configuration_data"]["params"] = Task["configure"].param_values
  cache.write
end

#complete(status, options) ⇒ Object

Perform processing common to several configure checks.

Parameters:

  • status (Process::Status, Integer) —

    Process exit code. 0 for success, non-zero for error.

  • options (Hash) —

    Common check options.

Options Hash (options):

  • :fail (Boolean) —

    Whether to fail configuration if the requested item is not found. This defaults to true if the :set_define option is not specified, otherwise defaults to false if :set_define option is specified.

  • :set_define (String) —

    A define to set (in CPPDEFINES) if the requested item is found.

  • :success_message (String) —

    Message to print on success (default “found”).



381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
 
# File 'lib/rscons/configure_op.rb', line 381

def complete(status, options)
  success_message = options[:success_message] || "found"
  fail_message = options[:fail_message] || "not found"
  if status == 0
    Ansi.write($stdout, :green, "#{success_message}\n")
    if options[:set_define]
      store_append("CPPDEFINES" => [options[:set_define]])
    end
  else
    should_fail =
      if options.has_key?(:fail)
        options[:fail]
      else
        !options[:set_define]
      end
    color = should_fail ? :red : :yellow
    Ansi.write($stdout, color, "#{fail_message}\n")
    if options[:on_fail].is_a?(String)
      $stdout.puts(options[:on_fail])
    elsif options[:on_fail].is_a?(Proc)
      options[:on_fail].call
    end
    if should_fail
      raise RsconsError.new("Configuration failed")
    end
  end
end

#log_and_test_command(command, options = {}) ⇒ String, Process::Status

Execute a test command and log the result.

Parameters:

  • command (Array<String>) —

    Command to execute.

  • options (Hash) (defaults to: {}) —

    Optional arguments.

Options Hash (options):

  • :stdin (String) —

    Data to send to standard input stream of the executed command.

Returns:

  • (String, String, Process::Status) —

    stdout, stderr, status



298
299
300
301
302
303
304
305
306
307
308
309
 
# File 'lib/rscons/configure_op.rb', line 298

def log_and_test_command(command, options = {})
  begin
    @log_fh.puts("Command: #{command.join(" ")}")
    stdout, stderr, status = Open3.capture3(*command, stdin_data: options[:stdin])
    @log_fh.puts("Exit status: #{status.to_i}")
    @log_fh.write(stdout)
    @log_fh.write(stderr)
    [stdout, stderr, status]
  rescue Errno::ENOENT
    ["", "", 127]
  end
end

#store_append(vars, options = {}) ⇒ Object

Store construction variables for appending into the Cache.

Parameters:

  • vars (Hash) —

    Hash containing the variables to append.

  • options (Hash) (defaults to: {}) —

    Options.

Options Hash (options):

  • :use (String) —

    A ‘use’ name. If specified, the construction variables are only applied to an Environment if the Environment is constructed with a matching ‘:use` value.



339
340
341
342
343
344
345
346
347
348
349
 
# File 'lib/rscons/configure_op.rb', line 339

def store_append(vars, options = {})
  store_vars = store_common(options)
  store_vars["append"] ||= {}
  vars.each_pair do |key, value|
    if store_vars["append"][key].is_a?(Array) and value.is_a?(Array)
      store_vars["append"][key] += value
    else
      store_vars["append"][key] = value
    end
  end
end

#store_merge(vars, options = {}) ⇒ Object

Store construction variables for merging into the Cache.

Parameters:

  • vars (Hash) —

    Hash containing the variables to merge.

  • options (Hash) (defaults to: {}) —

    Options.

Options Hash (options):

  • :use (String) —

    A ‘use’ name. If specified, the construction variables are only applied to an Environment if the Environment is constructed with a matching ‘:use` value.



321
322
323
324
325
326
327
 
# File 'lib/rscons/configure_op.rb', line 321

def store_merge(vars, options = {})
  store_vars = store_common(options)
  store_vars["merge"] ||= {}
  vars.each_pair do |key, value|
    store_vars["merge"][key] = value
  end
end

#store_parse(flags, options = {}) ⇒ Object

Store flags to be parsed into the Cache.

Parameters:

  • flags (String) —

    String containing the flags to parse.

  • options (Hash) (defaults to: {}) —

    Options.

Options Hash (options):

  • :use (String) —

    A ‘use’ name. If specified, the construction variables are only applied to an Environment if the Environment is constructed with a matching ‘:use` value.



361
362
363
364
365
 
# File 'lib/rscons/configure_op.rb', line 361

def store_parse(flags, options = {})
  store_vars = store_common(options)
  store_vars["parse"] ||= []
  store_vars["parse"] << flags
end