v2.2.0

This reverts commit 01ca86de8b.

CHANGELOG.md

@@ -1,3 +1,9 @@
+## v2.1.0
+
+### New Features
+
+- #117 - ruby 2.7 compatibility
+
 ## v2.0.2
 
 ### Fixes

Gemfile

@@ -1,10 +1,14 @@
 source 'https://rubygems.org'
 
-gem "json"
 gem "rspec"
 gem "rake"
-gem "simplecov"
+gem "simplecov", "~> 0.15.0"
+if RbConfig::CONFIG["host"]["msys"]
+  gem "json", "2.1.0"
+else
+  gem "json"
   gem "yard"
   gem "rdoc"
   gem "redcarpet"
   gem "syntax"
+end

Gemfile.lock

@@ -2,31 +2,31 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)
-    docile (1.3.2)
-    json (2.2.0)
-    rake (12.3.2)
-    rdoc (6.1.1)
-    redcarpet (3.4.0)
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.2)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.4)
+    docile (1.1.5)
+    json (2.3.0)
+    rake (13.0.1)
+    rdoc (6.2.1)
+    redcarpet (3.5.0)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.1)
+      rspec-support (~> 3.9.1)
+    rspec-expectations (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.1)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.2)
-    simplecov (0.15.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.2)
+    simplecov (0.15.1)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
     syntax (1.2.2)
-    yard (0.9.20)
+    yard (0.9.24)
 
 PLATFORMS
   ruby
@@ -38,9 +38,9 @@ DEPENDENCIES
   rdoc
   redcarpet
   rspec
-  simplecov
+  simplecov (~> 0.15.0)
   syntax
   yard
 
 BUNDLED WITH
-   1.17.3
+   2.1.4

Rakefile.rb

@@ -6,7 +6,6 @@ rescue Bundler::BundlerError => e
 end
 
 require "rspec/core/rake_task"
-require "yard"
 require "rake/clean"
 require "fileutils"
 
@@ -37,11 +36,6 @@ task :dspec, [:example_string] => :build_dist do |task, args|
   FileUtils.rm_f(Dir.glob(".rscons-*"))
 end
 
-YARD::Rake::YardocTask.new do |yard|
-  yard.files = ['lib/**/*.rb']
-  yard.options = ["-ogen/yard"]
-end
-
 task :gen_large_project, [:size] => :build_dist do |task, args|
   size = (args.size || 10000).to_i
   FileUtils.rm_rf("large_project")
@@ -88,9 +82,17 @@ EOF
   FileUtils.cp("dist/rscons", "large_project")
 end
 
+unless RbConfig::CONFIG["host"]["msys"]
+  require "yard"
+  YARD::Rake::YardocTask.new do |yard|
+    yard.files = ['lib/**/*.rb']
+    yard.options = ["-ogen/yard"]
+  end
+
   task :user_guide do
     system("ruby", "-Ilib", "rb/gen_user_guide.rb")
   end
+end
 
 task :default => :spec
 

build_tests/configure/check_d_import_d_import_path.rb

@@ -1,4 +1,5 @@
 configure do
+  check_d_compiler
   check_d_import "std.stdio", check_d_import_path: ["./usr1"]
   check_d_import "frobulous", check_d_import_path: ["./usr2"]
 end

build_tests/configure/check_d_import_success.rb

@@ -1,3 +1,4 @@
 configure do
+  check_d_compiler
   check_d_import "std.stdio"
 end

build_tests/configure/on_fail.rb

@@ -0,0 +1,5 @@
+configure do
+  check_c_compiler "foo123c", fail: false, on_fail: "Install the foo123 package"
+  check_d_compiler "foo123d", fail: false
+  check_cxx_compiler "foo123cxx", on_fail: lambda {puts "Install the foo123cxx package"}
+end

build_tests/install_running_exe/Rsconscript

@@ -1,6 +0,0 @@
-build do
-  Environment.new do |env|
-    env.Program("program.exe", "program.c")
-    env.Install("install/program.exe", "program.exe")
-  end
-end

build_tests/install_running_exe/program.c

@@ -1,8 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-
-int main(int argc, char * argv[])
-{
-    sleep(2);
-    return 0;
-}

doc/user_guide.md

@@ -246,6 +246,15 @@ configure do
 end
 ```
 
+Global configuration options may be supplied to the compiler checks as well.
+Example:
+
+```ruby
+configure do
+  check_c_compiler "x86_64-elf-gcc", on_fail: "Install x86_64-elf cross toolchain first!"
+end
+```
+
 ###> Checking for a Header File
 
 The following methods can be used to check for the presence of a header file:
@@ -272,18 +281,6 @@ end
 
 Optionally specifies an array of paths to look for the header file in.
 
-##### `:fail`
-
-If the `:fail` option is set to `false`, then the absence of the header file
-will not result in the configure option failing.
-The `:fail` option defaults to `true` if the `:set_define` option is not
-defined, and defaults to `false` if the `:set_define` option is defined.
-
-##### `:set_define`
-
-If set, a build define of the specified String will be added to the
-`CPPDEFINES` construction variable array if the requested header is found.
-
 ###> Checking for a D Import
 
 The `check_d_import` method can be used to check for the presence of D import.
@@ -327,18 +324,6 @@ end
 
 Optionally specifies an array of paths to look for the library in.
 
-##### `:fail`
-
-If the `:fail` option is set to `false`, then the absence of the library
-will not result in the configure option failing.
-The `:fail` option defaults to `true` if the `:set_define` option is not
-defined, and defaults to `false` if the `:set_define` option is defined.
-
-##### `:set_define`
-
-If set, a build define of the specified String will be added to the
-`CPPDEFINES` construction variable array if the requested library is found.
-
 ##### `:use`
 
 If not set, the library will be used by default in all `Environment` objects.
@@ -387,18 +372,6 @@ used to look for package configuration flags for the specified package.
 If the `:program` option is given, the program specified will be used to look
 for configuration flags.
 
-##### `:fail`
-
-If the `:fail` option is set to `false`, then the absence of the package or
-program requested will not result in the configure option failing.
-The `:fail` option defaults to `true` if the `:set_define` option is not
-defined, and defaults to `false` if the `:set_define` option is defined.
-
-##### `:set_define`
-
-If set, a build define of the specified String will be added to the
-`CPPDEFINES` construction variable array if the requested package is found.
-
 ##### `:use`
 
 If not set, the library will be used by default in all `Environment` objects.
@@ -457,6 +430,46 @@ configure do
 end
 ```
 
+###> Global Configuration Check Options
+
+#### `:fail`
+
+If the `:fail` option is set to `false`, then the absence of the package or
+program requested will not result in the configure option failing.
+The `:fail` option defaults to `true` if the `:set_define` option is not
+defined, and defaults to `false` if the `:set_define` option is defined.
+
+#### `:on_fail`
+
+The `:on_fail` option can be set to a String or a Proc object. If the
+configuration operation fails (or would fail), the given message is printed
+or the Proc is called.
+
+Examples:
+
+```ruby
+configure do
+  check_c_compiler "special-gcc", on_fail: "First install special gcc!"
+end
+
+configure do
+  package_hint = lambda do
+    puts "The following packages must be installed to build this project:"
+    puts "- libsdl2-dev"
+    puts "- libsdl2-image-dev"
+    puts "- libsdl2-net-dev"
+  end
+  check_lib "SDL2", on_fail: package_hint
+  check_lib "SDL2_image", on_fail: package_hint
+  check_lib "SDL2_net", on_fail: package_hint
+end
+```
+
+#### `:set_define`
+
+If set, a build define of the specified String will be added to the
+`CPPDEFINES` construction variable array if the requested package is found.
+
 ##> Build Operations
 
 The `build` block is used to create Environments and register build targets.

lib/rscons.rb

@@ -81,7 +81,7 @@ module Rscons
           end
           if ENV["SHELL"] and ENV["SHELL"] != "" and test_shell[ENV["SHELL"], "-c"]
             [ENV["SHELL"], "-c"]
-          elsif Object.const_get("RUBY_PLATFORM") =~ /mingw/
+          elsif Object.const_get("RUBY_PLATFORM") =~ /mingw|msys/
             if test_shell["sh", "-c"]
               # Using Rscons from MSYS should use MSYS's shell.
               ["sh", "-c"]
@@ -102,7 +102,7 @@ module Rscons
     # @return [Array<String>] Command used to execute commands.
     def command_executer
       @command_executer ||=
-        if Object.const_get("RUBY_PLATFORM") =~ /mingw/
+        if Object.const_get("RUBY_PLATFORM") =~ /mingw|msys/
           if ENV.keys.find {|key| key =~ /MSYS/}
             begin
               if IO.popen(["env", "echo", "success"]) {|io| io.read.strip} == "success"

lib/rscons/ansi.rb

@@ -84,7 +84,7 @@ module Rscons
       # @return [Boolean]
       #   Whether to output ANSI color escape codes.
       def do_ansi?(io)
-        if RUBY_PLATFORM =~ /mingw/
+        if RUBY_PLATFORM =~ /mingw|msys/
           (ENV["TERM"] == "xterm") && %w[fifo characterSpecial].include?(io.stat.ftype)
         else
           io.tty?

lib/rscons/configure_op.rb

@@ -62,6 +62,10 @@ module Rscons
     # @return [void]
     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]
@@ -69,7 +73,7 @@ module Rscons
       cc = ccc.find do |cc|
         test_c_compiler(cc)
       end
-      complete(cc ? 0 : 1, success_message: cc)
+      complete(cc ? 0 : 1, options.merge(success_message: cc))
     end
 
     # Check for a working C++ compiler.
@@ -80,6 +84,10 @@ module Rscons
     # @return [void]
     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++]
@@ -87,7 +95,7 @@ module Rscons
       cc = ccc.find do |cc|
         test_cxx_compiler(cc)
       end
-      complete(cc ? 0 : 1, success_message: cc)
+      complete(cc ? 0 : 1, options.merge(success_message: cc))
     end
 
     # Check for a working D compiler.
@@ -98,6 +106,10 @@ module Rscons
     # @return [void]
     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]
@@ -105,7 +117,7 @@ module Rscons
       dc = cdc.find do |dc|
         test_d_compiler(dc)
       end
-      complete(dc ? 0 : 1, success_message: dc)
+      complete(dc ? 0 : 1, options.merge(success_message: dc))
     end
 
     # Check for a package or configure program output.
@@ -387,11 +399,15 @@ module Rscons
           else
             !options[:set_define]
           end
+        color = should_fail ? :red : :yellow
+        Ansi.write($stdout, color, "#{fail_message}\n")
+        if options[:on_fail].is_a?(String)
+          $stdout.puts(options[:on_fail])
+        elsif options[:on_fail].is_a?(Proc)
+          options[:on_fail].call
+        end
         if should_fail
-          Ansi.write($stdout, :red, "#{fail_message}\n")
           raise ConfigureFailure.new
-        else
-          Ansi.write($stdout, :yellow, "#{fail_message}\n")
         end
       end
     end
@@ -408,24 +424,19 @@ module Rscons
     def test_c_compiler(cc)
       File.open("#{@work_dir}/cfgtest.c", "wb") do |fh|
         fh.puts <<-EOF
-          #include <stdio.h>
-          int main(int argc, char * argv[]) {
-            printf("Success.\\n");
-            return 0;
+          int fun(int val) {
+            return val * 2;
           }
         EOF
       end
-      command = %W[#{cc} -o #{@work_dir}/cfgtest.exe #{@work_dir}/cfgtest.c]
+      command = %W[#{cc} -c -o #{@work_dir}/cfgtest.o #{@work_dir}/cfgtest.c]
       merge = {"CC" => cc}
       _, _, status = log_and_test_command(command)
       if status == 0
-        stdout, _, status = log_and_test_command(["#{@work_dir}/cfgtest.exe"])
-        if status == 0 and stdout =~ /Success/
         store_merge(merge)
         true
       end
     end
-    end
 
     # Test a C++ compiler.
     #
@@ -437,25 +448,20 @@ module Rscons
     def test_cxx_compiler(cc)
       File.open("#{@work_dir}/cfgtest.cxx", "wb") do |fh|
         fh.puts <<-EOF
-          #include <iostream>
-          using namespace std;
-          int main(int argc, char * argv[]) {
-            cout << "Success." << endl;
-            return 0;
+          template<typename T>
+          T fun(T val) {
+            return val * 2;
           }
         EOF
       end
-      command = %W[#{cc} -o #{@work_dir}/cfgtest.exe #{@work_dir}/cfgtest.cxx]
+      command = %W[#{cc} -c -o #{@work_dir}/cfgtest.o #{@work_dir}/cfgtest.cxx]
       merge = {"CXX" => cc}
       _, _, status = log_and_test_command(command)
       if status == 0
-        stdout, _, status = log_and_test_command(["#{@work_dir}/cfgtest.exe"])
-        if status == 0 and stdout =~ /Success/
         store_merge(merge)
         true
       end
     end
-    end
 
     # Test a D compiler.
     #
@@ -467,9 +473,8 @@ module Rscons
     def test_d_compiler(dc)
       File.open("#{@work_dir}/cfgtest.d", "wb") do |fh|
         fh.puts <<-EOF
-          import std.stdio;
-          int main() {
-            writeln("Success.");
+          import core.math;
+          int fun() {
             return 0;
           }
         EOF
@@ -477,32 +482,28 @@ module Rscons
       [:gdc, :ldc2].find do |dc_test|
         case dc_test
         when :gdc
-          command = %W[#{dc} -o #{@work_dir}/cfgtest.exe #{@work_dir}/cfgtest.d]
+          command = %W[#{dc} -c -o #{@work_dir}/cfgtest.o #{@work_dir}/cfgtest.d]
           merge = {"DC" => dc}
         when :ldc2
-          command = %W[#{dc} -of #{@work_dir}/cfgtest.exe #{@work_dir}/cfgtest.d]
+          # ldc2 on Windows expect an object file suffix of .obj.
+          ldc_objsuffix = RUBY_PLATFORM =~ /mingw|msys/ ? ".obj" : ".o"
+          command = %W[#{dc} -c -of #{@work_dir}/cfgtest#{ldc_objsuffix} #{@work_dir}/cfgtest.d]
           env = BasicEnvironment.new
           merge = {
             "DC" => dc,
-            "DCCMD" => env["DCCMD"].map {|e| if e == "-o"; "-of"; else; e; end},
-            "LDCMD" => env["LDCMD"].map {|e| if e == "-o"; "-of"; else; e; end},
+            "DCCMD" => env["DCCMD"].map {|e| e.sub(/^-o$/, "-of")},
+            "LDCMD" => env["LDCMD"].map {|e| e.sub(/^-o$/, "-of")},
             "DDEPGEN" => ["-deps=${_DEPFILE}"],
           }
-          if RUBY_PLATFORM =~ /mingw/
-            # ldc2 on Windows expect an object file suffix of .obj.
-            merge["OBJSUFFIX"] = %w[.obj]
-          end
+          merge["OBJSUFFIX"] = [ldc_objsuffix]
         end
         _, _, status = log_and_test_command(command)
         if status == 0
-          stdout, _, status = log_and_test_command(["#{@work_dir}/cfgtest.exe"])
-          if status == 0 and stdout =~ /Success/
           store_merge(merge)
           true
         end
       end
     end
-    end
 
     # Common functionality for all store methods.
     #

lib/rscons/default_construction_variables.rb

@@ -1,6 +1,6 @@
 module Rscons
 
-  on_windows = RUBY_PLATFORM =~ /mingw|cygwin/
+  on_windows = RUBY_PLATFORM =~ /mingw|msys|cygwin/
   pic_flags = on_windows ? [] : %w[-fPIC]
 
   # Default Rscons construction variables.

lib/rscons/environment.rb

@@ -1,7 +1,6 @@
 require "fileutils"
 require "set"
 require "shellwords"
-require "thwait"
 
 module Rscons
   # The Environment class is the main programmatic interface to Rscons. It
@@ -702,10 +701,7 @@ module Rscons
           !thread.alive?
         end
       else
-        if @threads.empty?
-          raise "No threads to wait for"
-        end
-        ThreadsWait.new(*@threads.keys).next_wait
+        Util.wait_for_thread(*@threads.keys)
       end
     end
 

lib/rscons/util.rb

@@ -9,7 +9,7 @@ module Rscons
       #
       # @return [Boolean] Whether the given path is an absolute filesystem path.
       def absolute_path?(path)
-        if RUBY_PLATFORM =~ /mingw/
+        if RUBY_PLATFORM =~ /mingw|msys/
           path =~ %r{^(?:\w:)?[\\/]}
         else
           path.start_with?("/")
@@ -68,8 +68,8 @@ module Rscons
           case RbConfig::CONFIG["host_os"]
           when /linux/
             return File.read("/proc/cpuinfo").scan(/^processor\s*:/).size
-          when /mswin|mingw/
-            if `wmic cpu get NumberOfLogicalProcessors /value` =~ /NumberOfLogicalProcessors=(\d+)/
+          when /mswin|mingw|msys/
+            if `wmic cpu get NumberOfLogicalProcessors -value` =~ /NumberOfLogicalProcessors=(\d+)/
               return $1.to_i
             end
           when /darwin/
@@ -191,6 +191,32 @@ module Rscons
         deps
       end
 
+      # Wait for any of a number of threads to complete.
+      #
+      # @param threads [Array<Thread>]
+      #   Threads to wait for.
+      #
+      # @return [Thread]
+      #   The Thread that completed.
+      def wait_for_thread(*threads)
+        if threads.empty?
+          raise "No threads to wait for"
+        end
+        queue = Queue.new
+        threads.each do |thread|
+          # Create a wait thread for each thread we're waiting for.
+          Thread.new do
+            begin
+              thread.join
+            ensure
+              queue.push(thread)
+            end
+          end
+        end
+        # Wait for any thread to complete.
+        queue.pop
+      end
+
       private
 
       # Check if a directory contains a certain executable.
@@ -199,11 +225,14 @@ module Rscons
       #   Directory to look in.
       # @param executable [String]
       #   Executable to look for.
+      #
+      # @return [String, nil]
+      #   Executable found.
       def test_path_for_executable(path_entry, executable)
         is_executable = lambda do |path|
           File.file?(path) and File.executable?(path)
         end
-        if RbConfig::CONFIG["host_os"] =~ /mswin|windows|mingw/i
+        if RbConfig::CONFIG["host_os"] =~ /mswin|windows|mingw|msys/i
           if File.directory?(path_entry)
             executable = executable.downcase
             dir_entries = Dir.entries(path_entry)

lib/rscons/version.rb

@@ -1,4 +1,4 @@
 module Rscons
   # Project version.
-  VERSION = "2.0.2"
+  VERSION = "2.2.0"
 end

spec/build_tests_spec.rb

@@ -143,7 +143,7 @@ EOF
       end
     end
     stdout, stderr, status = nil, nil, nil
-    Bundler.with_clean_env do
+    Bundler.with_unbundled_env do
       env = ENV.to_h
       path = ["#{@build_test_run_dir}/_bin", "#{env["PATH"]}"]
       if options[:path]
@@ -187,6 +187,10 @@ EOF
     end
   end
 
+  def nr(str)
+    str.gsub("\r", "")
+  end
+
   ###########################################################################
   # Tests
   ###########################################################################
@@ -196,7 +200,7 @@ EOF
     result = run_rscons
     expect(result.stderr).to eq ""
     expect(File.exists?('build/e.1/simple.c.o')).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
   end
 
   it "allows specifying a Builder object as the source to another build target" do
@@ -204,7 +208,7 @@ EOF
     result = run_rscons(rsconscript: "builder_as_source.rb")
     expect(result.stderr).to eq ""
     expect(File.exists?("simple.o")).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
   end
 
   it 'prints commands as they are executed' do
@@ -232,18 +236,18 @@ EOF
     result = run_rscons
     expect(result.stderr).to eq ""
     expect(File.exists?('build/e.1/header.c.o')).to be_truthy
-    expect(`./header.exe`).to eq "The value is 2\n"
+    expect(nr(`./header.exe`)).to eq "The value is 2\n"
   end
 
   it 'rebuilds a C module when a header it depends on changes' do
     test_dir('header')
     result = run_rscons
     expect(result.stderr).to eq ""
-    expect(`./header.exe`).to eq "The value is 2\n"
+    expect(nr(`./header.exe`)).to eq "The value is 2\n"
     file_sub('header.h') {|line| line.sub(/2/, '5')}
     result = run_rscons
     expect(result.stderr).to eq ""
-    expect(`./header.exe`).to eq "The value is 5\n"
+    expect(nr(`./header.exe`)).to eq "The value is 5\n"
   end
 
   it 'does not rebuild a C module when its dependencies have not changed' do
@@ -254,7 +258,7 @@ EOF
       %r{Compiling header.c},
       %r{Linking header.exe},
     ])
-    expect(`./header.exe`).to eq "The value is 2\n"
+    expect(nr(`./header.exe`)).to eq "The value is 2\n"
     result = run_rscons
     expect(result.stderr).to eq ""
     expect(result.stdout).to eq ""
@@ -268,7 +272,7 @@ EOF
       %r{Compiling header.c},
       %r{Linking header.exe},
     ])
-    expect(`./header.exe`).to eq "The value is 2\n"
+    expect(nr(`./header.exe`)).to eq "The value is 2\n"
     sleep 0.05
     file_sub('header.c') {|line| line}
     result = run_rscons
@@ -328,7 +332,7 @@ EOF
     result = run_rscons
     expect(result.stderr).to eq ""
     expect(File.exists?('foo.yml')).to be_truthy
-    expect(IO.read('foo.yml')).to eq("---\nkey: value\n")
+    expect(nr(IO.read('foo.yml'))).to eq("---\nkey: value\n")
   end
 
   it "raises an error when a side-effect file is registered for a build target that is not registered" do
@@ -337,20 +341,6 @@ EOF
     expect(result.stderr).to match /Could not find a registered build target "foo"/
   end
 
-  it "allows replacing a running executable when performing an 'install' operation" do
-    test_dir("install_running_exe")
-    result = run_rscons(op: "install")
-    expect(result.stderr).to eq ""
-    fcontents = File.read("program.c", mode: "rb")
-    File.open("program.c", "wb") do |fh|
-      fh.write(fcontents.sub(/2/, '3'))
-    end
-    pid = Process.spawn("install/program.exe")
-    result = run_rscons(op: "install")
-    expect(result.stderr).to eq ""
-    Process.wait(pid)
-  end
-
   context "clean operation" do
     it 'cleans built files' do
       test_dir("simple")
@@ -428,7 +418,7 @@ EOF
       %r{Linking program.exe},
     ])
     expect(File.exists?('inc.h')).to be_truthy
-    expect(`./program.exe`).to eq "The value is 5678\n"
+    expect(nr(`./program.exe`)).to eq "The value is 5678\n"
   end
 
   it 'supports custom builders with multiple targets' do
@@ -444,13 +434,13 @@ EOF
     ])
     expect(File.exists?("inc.c")).to be_truthy
     expect(File.exists?("inc.h")).to be_truthy
-    expect(`./program.exe`).to eq "The value is 42\n"
+    expect(nr(`./program.exe`)).to eq "The value is 42\n"
 
     File.open("inc.c", "w") {|fh| fh.puts "int THE_VALUE = 33;"}
     result = run_rscons(rsconscript: "multiple_targets.rb")
     expect(result.stderr).to eq ""
     verify_lines(lines(result.stdout), [%r{CHGen inc.c}])
-    expect(`./program.exe`).to eq "The value is 42\n"
+    expect(nr(`./program.exe`)).to eq "The value is 42\n"
   end
 
   it 'raises an error when a custom builder returns an invalid value from #run' do
@@ -518,7 +508,7 @@ EOF
     result = run_rscons
     expect(result.stderr).to eq ""
     expect(File.exists?('build/e.1/simple.cc.o')).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C++ program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C++ program\n"
   end
 
   it "links with the C++ linker when object files were built from C++ sources" do
@@ -526,7 +516,7 @@ EOF
     result = run_rscons(rsconscript: "link_objects.rb")
     expect(result.stderr).to eq ""
     expect(File.exists?("simple.o")).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C++ program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C++ program\n"
   end
 
   it 'allows overriding construction variables for individual builder calls' do
@@ -539,7 +529,7 @@ EOF
       %r{gcc -o two_sources.exe one.o build/e.1/two.c.o},
     ])
     expect(File.exists?("two_sources.exe")).to be_truthy
-    expect(`./two_sources.exe`).to eq "This is a C program with two sources.\n"
+    expect(nr(`./two_sources.exe`)).to eq "This is a C program with two sources.\n"
   end
 
   it 'builds a static library archive' do
@@ -554,7 +544,7 @@ EOF
       %r{gcc -o library.exe lib.a build/e.1/three.c.o},
     ])
     expect(File.exists?("library.exe")).to be_truthy
-    expect(`ar t lib.a`).to eq "one.c.o\ntwo.c.o\n"
+    expect(nr(`ar t lib.a`)).to eq "one.c.o\ntwo.c.o\n"
   end
 
   it 'supports build hooks to override construction variables' do
@@ -566,7 +556,7 @@ EOF
       %r{gcc -c -o build/e.1/src/two/two.c.o -MMD -MF build/e.1/src/two/two.c.o.mf -Isrc/one -Isrc/two -O2 src/two/two.c},
       %r{gcc -o build_hook.exe build/e.1/src/one/one.c.o build/e.1/src/two/two.c.o},
     ])
-    expect(`./build_hook.exe`).to eq "Hello from two()\n"
+    expect(nr(`./build_hook.exe`)).to eq "Hello from two()\n"
   end
 
   it 'supports build hooks to override the entire vars hash' do
@@ -592,7 +582,7 @@ EOF
       %r{Linking simple.exe},
     ])
     expect(File.exists?('build/e.1/simple.c.o')).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
 
     File.open("program.ld", "w") {|fh| fh.puts("2")}
     result = run_rscons(rsconscript: "user_dependencies.rb")
@@ -609,6 +599,7 @@ EOF
     expect(result.stdout).to eq ""
   end
 
+  unless RUBY_PLATFORM =~ /mingw|msys/
     it "supports building D sources with gdc" do
       test_dir("d")
       result = run_rscons
@@ -619,14 +610,15 @@ EOF
       verify_lines(slines, [%r{gdc -o hello-d.exe build/e.1/main.d.o build/e.1/mod.d.o}])
       expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
     end
+  end
 
   it "supports building D sources with ldc2" do
     test_dir("d")
     result = run_rscons(rsconscript: "build-ldc2.rb")
     expect(result.stderr).to eq ""
     slines = lines(result.stdout)
-    verify_lines(slines, [%r{ldc2 -c -of build/e.1/main.d.o(bj)? -deps=build/e.1/main.d.o.mf main.d}])
-    verify_lines(slines, [%r{ldc2 -c -of build/e.1/mod.d.o(bj)? -deps=build/e.1/mod.d.o.mf mod.d}])
+    verify_lines(slines, [%r{ldc2 -c -of build/e.1/main.d.o(bj)? -deps=build/e.1/main.d.o(bj)?.mf main.d}])
+    verify_lines(slines, [%r{ldc2 -c -of build/e.1/mod.d.o(bj)? -deps=build/e.1/mod.d.o(bj)?.mf mod.d}])
     verify_lines(slines, [%r{ldc2 -of hello-d.exe build/e.1/main.d.o(bj)? build/e.1/mod.d.o(bj)?}])
     expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
   end
@@ -636,8 +628,8 @@ EOF
     result = run_rscons(rsconscript: "build-ldc2.rb")
     expect(result.stderr).to eq ""
     slines = lines(result.stdout)
-    verify_lines(slines, [%r{ldc2 -c -of build/e.1/main.d.o(bj)? -deps=build/e.1/main.d.o.mf main.d}])
-    verify_lines(slines, [%r{ldc2 -c -of build/e.1/mod.d.o(bj)? -deps=build/e.1/mod.d.o.mf mod.d}])
+    verify_lines(slines, [%r{ldc2 -c -of build/e.1/main.d.o(bj)? -deps=build/e.1/main.d.o(bj)?.mf main.d}])
+    verify_lines(slines, [%r{ldc2 -c -of build/e.1/mod.d.o(bj)? -deps=build/e.1/mod.d.o(bj)?.mf mod.d}])
     verify_lines(slines, [%r{ldc2 -of hello-d.exe build/e.1/main.d.o(bj)? build/e.1/mod.d.o(bj)?}])
     expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
     contents = File.read("mod.d", mode: "rb").sub("42", "33")
@@ -647,13 +639,13 @@ EOF
     result = run_rscons(rsconscript: "build-ldc2.rb")
     expect(result.stderr).to eq ""
     slines = lines(result.stdout)
-    verify_lines(slines, [%r{ldc2 -c -of build/e.1/main.d.o(bj)? -deps=build/e.1/main.d.o.mf main.d}])
-    verify_lines(slines, [%r{ldc2 -c -of build/e.1/mod.d.o(bj)? -deps=build/e.1/mod.d.o.mf mod.d}])
+    verify_lines(slines, [%r{ldc2 -c -of build/e.1/main.d.o(bj)? -deps=build/e.1/main.d.o(bj)?.mf main.d}])
+    verify_lines(slines, [%r{ldc2 -c -of build/e.1/mod.d.o(bj)? -deps=build/e.1/mod.d.o(bj)?.mf mod.d}])
     verify_lines(slines, [%r{ldc2 -of hello-d.exe build/e.1/main.d.o(bj)? build/e.1/mod.d.o(bj)?}])
     expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 33!"
   end
 
-  unless ENV["omit_gdc_tests"]
+  unless RUBY_PLATFORM =~ /mingw|msys/
     it "links with the D linker when object files were built from D sources" do
       test_dir("d")
       result = run_rscons(rsconscript: "link_objects.rb")
@@ -689,7 +681,7 @@ EOF
       result = run_rscons(rsconscript: "shared_library_d.rb")
       expect(result.stderr).to eq ""
       slines = lines(result.stdout)
-      if RUBY_PLATFORM =~ /mingw/
+      if RUBY_PLATFORM =~ /mingw|msys/
         verify_lines(slines, [%r{Linking mine.dll}])
       else
         verify_lines(slines, [%r{Linking libmine.so}])
@@ -715,7 +707,7 @@ EOF
     result = run_rscons(rsconscript: "preprocess.rb")
     expect(result.stderr).to eq ""
     expect(File.read("simplepp.c")).to match /# \d+ "simple.c"/
-    expect(`./simple.exe`).to eq "This is a simple C program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
   end
 
   it "supports preprocessing C++ sources" do
@@ -723,7 +715,7 @@ EOF
     result = run_rscons(rsconscript: "preprocess.rb")
     expect(result.stderr).to eq ""
     expect(File.read("simplepp.cc")).to match /# \d+ "simple.cc"/
-    expect(`./simple.exe`).to eq "This is a simple C++ program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C++ program\n"
   end
 
   it "supports invoking builders with no sources" do
@@ -741,14 +733,14 @@ EOF
       %r{Linking program.exe},
     ])
     expect(File.exists?('inc.h')).to be_truthy
-    expect(`./program.exe`).to eq "The value is 678\n"
+    expect(nr(`./program.exe`)).to eq "The value is 678\n"
   end
 
   it "supports lambdas as construction variable values" do
     test_dir "custom_builder"
     result = run_rscons(rsconscript: "cvar_lambda.rb")
     expect(result.stderr).to eq ""
-    expect(`./program.exe`).to eq "The value is 5678\n"
+    expect(nr(`./program.exe`)).to eq "The value is 5678\n"
   end
 
   it "supports registering build targets from within a build hook" do
@@ -757,7 +749,7 @@ EOF
     expect(result.stderr).to eq ""
     expect(File.exists?("build/e.1/simple.c.o")).to be_truthy
     expect(File.exists?("build/e.1/simple.c.o.txt")).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
   end
 
   it "supports multiple values for CXXSUFFIX" do
@@ -767,7 +759,7 @@ EOF
     expect(result.stderr).to eq ""
     expect(File.exists?("build/e.1/simple.cc.o")).to be_truthy
     expect(File.exists?("build/e.1/other.cccc.o")).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C++ program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C++ program\n"
   end
 
   it "supports multiple values for CSUFFIX" do
@@ -777,7 +769,7 @@ EOF
     expect(result.stderr).to eq ""
     expect(File.exists?("build/e.1/src/one/one.yargh.o")).to be_truthy
     expect(File.exists?("build/e.1/src/two/two.c.o")).to be_truthy
-    expect(`./program.exe`).to eq "Hello from two()\n"
+    expect(nr(`./program.exe`)).to eq "Hello from two()\n"
   end
 
   it "supports multiple values for OBJSUFFIX" do
@@ -787,7 +779,7 @@ EOF
     expect(File.exists?("two_sources.exe")).to be_truthy
     expect(File.exists?("one.oooo")).to be_truthy
     expect(File.exists?("two.ooo")).to be_truthy
-    expect(`./two_sources.exe`).to eq "This is a C program with two sources.\n"
+    expect(nr(`./two_sources.exe`)).to eq "This is a C program with two sources.\n"
   end
 
   it "supports multiple values for LIBSUFFIX" do
@@ -795,7 +787,7 @@ EOF
     result = run_rscons(rsconscript: "libsuffix.rb")
     expect(result.stderr).to eq ""
     expect(File.exists?("two_sources.exe")).to be_truthy
-    expect(`./two_sources.exe`).to eq "This is a C program with two sources.\n"
+    expect(nr(`./two_sources.exe`)).to eq "This is a C program with two sources.\n"
   end
 
   it "supports multiple values for ASSUFFIX" do
@@ -810,7 +802,7 @@ EOF
       %r{Linking two_sources.exe},
     ])
     expect(File.exists?("two_sources.exe")).to be_truthy
-    expect(`./two_sources.exe`).to eq "This is a C program with two sources.\n"
+    expect(nr(`./two_sources.exe`)).to eq "This is a C program with two sources.\n"
   end
 
   it "supports dumping an Environment's construction variables" do
@@ -849,7 +841,7 @@ EOF
     result = run_rscons(rsconscript: "cvar_array.rb")
     expect(result.stderr).to eq ""
     expect(File.exists?("build/e.1/simple.c.o")).to be_truthy
-    expect(`./simple.exe`).to eq "This is a simple C program\n"
+    expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
   end
 
   it "supports registering multiple build targets with the same target path" do
@@ -940,7 +932,7 @@ EOF
     result = run_rscons
     expect(result.stderr).to eq ""
     slines = lines(result.stdout)
-    if RUBY_PLATFORM =~ /mingw/
+    if RUBY_PLATFORM =~ /mingw|msys/
       verify_lines(slines, [%r{Linking mine.dll}])
       expect(File.exists?("mine.dll")).to be_truthy
     else
@@ -952,7 +944,7 @@ EOF
     expect(result.stderr).to eq ""
     expect(result.stdout).to eq ""
 
-    ld_library_path_prefix = (RUBY_PLATFORM =~ /mingw/ ? "" : "LD_LIBRARY_PATH=. ")
+    ld_library_path_prefix = (RUBY_PLATFORM =~ /mingw|msys/ ? "" : "LD_LIBRARY_PATH=. ")
     expect(`#{ld_library_path_prefix}./test-shared.exe`).to match /Hi from one/
     expect(`./test-static.exe`).to match /Hi from one/
   end
@@ -971,7 +963,7 @@ EOF
     result = run_rscons(rsconscript: "shared_library_cxx.rb")
     expect(result.stderr).to eq ""
     slines = lines(result.stdout)
-    if RUBY_PLATFORM =~ /mingw/
+    if RUBY_PLATFORM =~ /mingw|msys/
       verify_lines(slines, [%r{Linking mine.dll}])
     else
       verify_lines(slines, [%r{Linking libmine.so}])
@@ -981,7 +973,7 @@ EOF
     expect(result.stderr).to eq ""
     expect(result.stdout).to eq ""
 
-    ld_library_path_prefix = (RUBY_PLATFORM =~ /mingw/ ? "" : "LD_LIBRARY_PATH=. ")
+    ld_library_path_prefix = (RUBY_PLATFORM =~ /mingw|msys/ ? "" : "LD_LIBRARY_PATH=. ")
     expect(`#{ld_library_path_prefix}./test-shared.exe`).to match /Hi from one/
     expect(`./test-static.exe`).to match /Hi from one/
   end
@@ -1112,7 +1104,7 @@ EOF
       result = run_rscons(rsconscript: "command_builder.rb")
       expect(result.stderr).to eq ""
       verify_lines(lines(result.stdout), [%r{BuildIt simple.exe}])
-      expect(`./simple.exe`).to eq "This is a simple C program\n"
+      expect(nr(`./simple.exe`)).to eq "This is a simple C program\n"
 
       result = run_rscons(rsconscript: "command_builder.rb")
       expect(result.stderr).to eq ""
@@ -1593,7 +1585,7 @@ EOF
       result = run_rscons(rsconscript: "shared_library_set_shld.rb")
       expect(result.stderr).to eq ""
       slines = lines(result.stdout)
-      if RUBY_PLATFORM =~ /mingw/
+      if RUBY_PLATFORM =~ /mingw|msys/
         verify_lines(slines, [%r{Linking mine.dll}])
       else
         verify_lines(slines, [%r{Linking libmine.so}])
@@ -1801,6 +1793,7 @@ EOF
       {"check_d_compiler.rb" => "when no arguments are given",
        "check_d_compiler_find_first.rb" => "when arguments are given"}.each_pair do |rsconscript, desc|
         context desc do
+          unless RUBY_PLATFORM =~ /mingw|msys/
             it "finds the first listed D compiler" do
               test_dir "configure"
               result = run_rscons(rsconscript: rsconscript, op: "configure")
@@ -1808,6 +1801,7 @@ EOF
               expect(result.status).to eq 0
               expect(result.stdout).to match /Checking for D compiler\.\.\. gdc/
             end
+          end
 
           it "finds the second listed D compiler" do
             test_dir "configure"
@@ -1830,6 +1824,7 @@ EOF
         end
       end
 
+      unless RUBY_PLATFORM =~ /mingw|msys/
         it "successfully tests a compiler with an unknown name that uses gdc-compatible options" do
           test_dir "configure"
           create_exe "mycompiler", %[exec gdc "$@"]
@@ -1838,6 +1833,7 @@ EOF
           expect(result.status).to eq 0
           expect(result.stdout).to match /Checking for D compiler\.\.\. mycompiler/
         end
+      end
 
       it "successfully tests a compiler with an unknown name that uses ldc2-compatible options" do
         test_dir "configure"
@@ -2226,6 +2222,16 @@ EOF
       end
     end
 
+    context "on_fail option" do
+      it "prints on_fail messages and calls on_fail procs on failure" do
+        test_dir "configure"
+        result = run_rscons(rsconscript: "on_fail.rb", op: %w[configure])
+        expect(result.status).to_not eq 0
+        expect(result.stdout).to match /Install the foo123 package/
+        expect(result.stdout).to match /Install the foo123cxx package/
+      end
+    end
+
     it "does everything" do
       test_dir "configure"
       create_exe "pkg-config", "echo '-DMYPACKAGE'"
@@ -2379,7 +2385,7 @@ EOF
       expect(result.stderr).to eq ""
       expect(result.stdout).to match %r{Compiling/Linking}
       expect(File.exists?("test.exe")).to be_truthy
-      ld_library_path_prefix = (RUBY_PLATFORM =~ /mingw/ ? "" : "LD_LIBRARY_PATH=. ")
+      ld_library_path_prefix = (RUBY_PLATFORM =~ /mingw|msys/ ? "" : "LD_LIBRARY_PATH=. ")
       expect(`#{ld_library_path_prefix}./test.exe`).to match /three/
 
       result = run_rscons(rsconscript: "c_shared_library.rb")

spec/rscons/util_spec.rb

@@ -68,7 +68,7 @@ EOF
             expect(RbConfig::CONFIG).to receive(:[]).with("host_os").and_return("mingw")
           end
           it "returns the number of logical processors that wmic reports" do
-            expect(Util).to receive(:`).with("wmic cpu get NumberOfLogicalProcessors /value").and_return("NumberOfLogicalProcessors=7")
+            expect(Util).to receive(:`).with("wmic cpu get NumberOfLogicalProcessors -value").and_return("NumberOfLogicalProcessors=7")
             expect(Util.determine_n_threads).to eq(7)
           end
         end