bundle update

It really wasn't necessary since Cache#write is not called often.

CHANGELOG.md

@@ -1,5 +1,12 @@
 ## ChangeLog
 
+### v1.17.0
+
+#### New Features
+
+- allow construction variable expansion on `true` and `false` values.
+- remove makefile target name check when parsing dependencies
+
 ### v1.16.0
 
 #### New Features

Gemfile.lock

@@ -1,36 +1,36 @@
 PATH
   remote: .
   specs:
-    rscons (1.16.0)
+    rscons (1.17.0)
       json (>= 1.8, < 3.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)
-    docile (1.1.5)
-    json (2.1.0)
-    rake (12.3.1)
-    rdoc (5.1.0)
-    rspec (3.6.0)
-      rspec-core (~> 3.6.0)
-      rspec-expectations (~> 3.6.0)
-      rspec-mocks (~> 3.6.0)
-    rspec-core (3.6.0)
-      rspec-support (~> 3.6.0)
-    rspec-expectations (3.6.0)
+    docile (1.3.2)
+    json (2.2.0)
+    rake (12.3.2)
+    rdoc (6.1.1)
+    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)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.6.0)
-    rspec-mocks (3.6.0)
+      rspec-support (~> 3.8.0)
+    rspec-mocks (3.8.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.6.0)
-    rspec-support (3.6.0)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.2)
     simplecov (0.15.0)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    yard (0.9.12)
+    yard (0.9.20)
 
 PLATFORMS
   ruby
@@ -45,4 +45,4 @@ DEPENDENCIES
   yard
 
 BUNDLED WITH
-   1.16.2
+   1.17.3

lib/rscons/builders/object.rb

@@ -30,7 +30,7 @@ module Rscons
           'ASSUFFIX' => ['.S'],
           'ASPPPATH' => '${CPPPATH}',
           'ASPPFLAGS' => '${CPPFLAGS}',
-          'ASDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}', '-MT', 'TARGET'],
+          'ASDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
           'ASCMD' => ['${AS}', '-c', '-o', '${_TARGET}', '${ASDEPGEN}', '${INCPREFIX}${ASPPPATH}', '${ASPPFLAGS}', '${ASFLAGS}', '${_SOURCES}'],
 
           'CPPFLAGS' => ['${CPPDEFPREFIX}${CPPDEFINES}'],
@@ -42,19 +42,19 @@ module Rscons
           'CC' => 'gcc',
           'CFLAGS' => [],
           'CSUFFIX' => ['.c'],
-          'CCDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}', '-MT', 'TARGET'],
+          'CCDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
           'CCCMD' => ['${CC}', '-c', '-o', '${_TARGET}', '${CCDEPGEN}', '${INCPREFIX}${CPPPATH}', '${CPPFLAGS}', '${CFLAGS}', '${CCFLAGS}', '${_SOURCES}'],
 
           'CXX' => 'g++',
           'CXXFLAGS' => [],
           'CXXSUFFIX' => ['.cc', '.cpp', '.cxx', '.C'],
-          'CXXDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}', '-MT', 'TARGET'],
+          'CXXDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
           'CXXCMD' =>['${CXX}', '-c', '-o', '${_TARGET}', '${CXXDEPGEN}', '${INCPREFIX}${CPPPATH}', '${CPPFLAGS}', '${CXXFLAGS}', '${CCFLAGS}', '${_SOURCES}'],
 
           'DC' => 'gdc',
           'DFLAGS' => [],
           'DSUFFIX' => ['.d'],
-          'DDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}', '-MT', 'TARGET'],
+          'DDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
           'D_IMPORT_PATH' => [],
           'DCCMD' => ['${DC}', '-c', '-o', '${_TARGET}', '${DDEPGEN}', '${INCPREFIX}${D_IMPORT_PATH}', '${DFLAGS}', '${_SOURCES}'],
         }
@@ -115,7 +115,7 @@ module Rscons
         if options[:command_status]
           target, deps, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
           if File.exists?(vars['_DEPFILE'])
-            deps += Environment.parse_makefile_deps(vars['_DEPFILE'], 'TARGET')
+            deps += Environment.parse_makefile_deps(vars['_DEPFILE'])
             FileUtils.rm_f(vars['_DEPFILE'])
           end
           cache.register_build(target, options[:tc].command, deps.uniq, env)

lib/rscons/builders/preprocess.rb

@@ -55,7 +55,7 @@ module Rscons
         if options[:command_status]
           target, deps, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
           if File.exists?(vars['_DEPFILE'])
-            deps += Environment.parse_makefile_deps(vars['_DEPFILE'], nil)
+            deps += Environment.parse_makefile_deps(vars['_DEPFILE'])
             FileUtils.rm_f(vars['_DEPFILE'])
           end
           cache.register_build(target, options[:tc].command, deps.uniq, env)

lib/rscons/builders/shared_object.rb

@@ -100,7 +100,7 @@ module Rscons
         if options[:command_status]
           target, deps, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
           if File.exists?(vars['_DEPFILE'])
-            deps += Environment.parse_makefile_deps(vars['_DEPFILE'], 'TARGET')
+            deps += Environment.parse_makefile_deps(vars['_DEPFILE'])
             FileUtils.rm_f(vars['_DEPFILE'])
           end
           cache.register_build(target, options[:tc].command, deps.uniq, env)

lib/rscons/cache.rb

@@ -85,17 +85,14 @@ module Rscons
       @lookup_checksums = {}
     end
 
-    # Write the cache to disk to be loaded next time.
+    # Write the cache to disk.
     #
     # @return [void]
     def write
-      if @dirty || (@cache["version"] != VERSION)
-        @cache["version"] = VERSION
-        File.open(CACHE_FILE, "w") do |fh|
-          fh.puts(JSON.dump(@cache))
-        end
+      @cache["version"] = VERSION
+      File.open(CACHE_FILE, "w") do |fh|
+        fh.puts(JSON.dump(@cache))
       end
-      @dirty = false
     end
 
     # Check if target(s) are up to date.
@@ -249,7 +246,6 @@ module Rscons
             }
           end,
         }
-        @dirty = true
       end
     end
 
@@ -272,9 +268,8 @@ module Rscons
         next if parts[i] == ""
         subpath = File.join(*parts[0, i + 1])
         unless File.exists?(subpath)
-          FileUtils.mkdir(subpath)
+          FileUtils.mkdir_p(subpath)
           @cache["directories"][subpath] = true
-          @dirty = true
         end
       end
     end
@@ -315,7 +310,6 @@ module Rscons
       @cache["targets"] ||= {}
       @cache["directories"] ||= {}
       @lookup_checksums = {}
-      @dirty = false
     end
 
     # Return a file's checksum, or the previously calculated checksum for

lib/rscons/environment.rb

@@ -385,12 +385,12 @@ module Rscons
 
     # Expand a construction variable reference.
     #
-    # @param varref [Array, String] Variable reference to expand.
+    # @param varref [nil, String, Array, Proc, Symbol, TrueClass, FalseClass] Variable reference to expand.
     # @param extra_vars [Hash, VarSet]
     #   Extra variables to use in addition to (or replace) the Environment's
     #   construction variables when expanding the variable reference.
     #
-    # @return [Array, String] Expansion of the variable reference.
+    # @return [nil, String, Array, Symbol, TrueClass, FalseClass] Expansion of the variable reference.
     def expand_varref(varref, extra_vars = nil)
       vars = if extra_vars.nil?
                @varset
@@ -1065,16 +1065,14 @@ module Rscons
       end
     end
 
-    # Parse dependencies for a given target from a Makefile.
+    # Parse dependencies from a Makefile.
     #
     # This method is used internally by Rscons builders.
     #
     # @param mf_fname [String] File name of the Makefile to read.
-    # @param target [String, nil]
-    #   Name of the target to gather dependencies for, nil for any/all.
     #
     # @return [Array<String>] Paths of dependency files.
-    def self.parse_makefile_deps(mf_fname, target)
+    def self.parse_makefile_deps(mf_fname)
       deps = []
       buildup = ''
       File.read(mf_fname).each_line do |line|
@@ -1082,11 +1080,9 @@ module Rscons
           buildup += ' ' + $1
         else
           buildup += ' ' + line
-          if buildup =~ /^(.*): (.*)$/
-            mf_target, mf_deps = $1.strip, $2
-            if target.nil? or mf_target == target
-              deps += mf_deps.split(' ').map(&:strip)
-            end
+          if buildup =~ /^.*: (.*)$/
+            mf_deps = $1
+            deps += mf_deps.split(' ').map(&:strip)
           end
           buildup = ''
         end

lib/rscons/varset.rb

@@ -86,40 +86,50 @@ module Rscons
     # Replace "$!{var}" variable references in varref with the expanded
     # variables' values, recursively.
     #
-    # @param varref [nil, String, Array, Proc]
+    # @param varref [nil, String, Array, Proc, Symbol, TrueClass, FalseClass]
     #   Value containing references to variables.
     # @param lambda_args [Array]
     #   Arguments to pass to any lambda variable values to be expanded.
     #
-    # @return [nil, String, Array]
+    # @return [nil, String, Array, Symbol, TrueClass, FalseClass]
     #   Expanded value with "$!{var}" variable references replaced.
     def expand_varref(varref, lambda_args)
-      if varref.is_a?(String)
+      case varref
+      when Symbol, true, false, nil
+        varref
+      when String
         if varref =~ /^(.*)\$\{([^}]+)\}(.*)$/
           prefix, varname, suffix = $1, $2, $3
+          prefix = expand_varref(prefix, lambda_args) unless prefix.empty?
           varval = expand_varref(self[varname], lambda_args)
-          if varval.is_a?(String) or varval.nil?
-            expand_varref("#{prefix}#{varval}#{suffix}", lambda_args)
-          elsif varval.is_a?(Array)
-            varval.map {|vv| expand_varref("#{prefix}#{vv}#{suffix}", lambda_args)}.flatten
+          # suffix needs no expansion since the regex matches the last occurence
+          case varval
+          when Symbol, true, false, nil, String
+            if prefix.is_a?(Array)
+              prefix.map {|p| "#{p}#{varval}#{suffix}"}
+            else
+              "#{prefix}#{varval}#{suffix}"
+            end
+          when Array
+            if prefix.is_a?(Array)
+              varval.map {|vv| prefix.map {|p| "#{p}#{vv}#{suffix}"}}.flatten
+            else
+              varval.map {|vv| "#{prefix}#{vv}#{suffix}"}
+            end
           else
-            raise "I do not know how to expand a variable reference to a #{varval.class.name} (from #{varname.inspect} => #{self[varname].inspect})"
+            raise "Unknown construction variable type: #{varval.class} (from #{varname.inspect} => #{self[varname].inspect})"
           end
         else
           varref
         end
-      elsif varref.is_a?(Array)
+      when Array
         varref.map do |ent|
           expand_varref(ent, lambda_args)
         end.flatten
-      elsif varref.is_a?(Proc)
+      when Proc
         expand_varref(varref[*lambda_args], lambda_args)
-      elsif varref.nil?
-        nil
-      elsif varref.is_a?(Symbol)
-        varref
       else
-        raise "Unknown varref type: #{varref.class} (#{varref.inspect})"
+        raise "Unknown construction variable type: #{varref.class} (#{varref.inspect})"
       end
     end
 

lib/rscons/version.rb

@@ -1,4 +1,4 @@
 module Rscons
   # gem version
-  VERSION = "1.16.0"
+  VERSION = "1.17.0"
 end

spec/build_tests_spec.rb

@@ -74,6 +74,8 @@ describe Rscons do
     command_name = "#{command_prefix}#{@statics[:build_test_id]}"
     File.open("_simplecov_setup.rb", "w") do |fh|
       fh.puts <<EOF
+require "bundler"
+Bundler.setup
 require "simplecov"
 class MyFormatter
   def format(*args)
@@ -126,7 +128,7 @@ EOF
     result = run_test(rsconsfile: "command.rb")
     expect(result.stderr).to eq ""
     expect(lines(result.stdout)).to eq [
-      'gcc -c -o build/simple.o -MMD -MF build/simple.mf -MT TARGET simple.c',
+      'gcc -c -o build/simple.o -MMD -MF build/simple.mf simple.c',
       "gcc -o simple.exe build/simple.o",
     ]
   end
@@ -195,7 +197,7 @@ EOF
     result = run_test(rsconsfile: "command.rb")
     expect(result.stderr).to eq ""
     expect(lines(result.stdout)).to eq [
-      'gcc -c -o build/simple.o -MMD -MF build/simple.mf -MT TARGET simple.c',
+      'gcc -c -o build/simple.o -MMD -MF build/simple.mf simple.c',
       "gcc -o simple.exe build/simple.o",
     ]
     result = run_test(rsconsfile: "link_flag_change.rb")
@@ -250,8 +252,8 @@ EOF
     result = run_test(rsconsfile: "carat.rb")
     expect(result.stderr).to eq ""
     expect(Set[*lines(result.stdout)]).to eq Set[
-      %q{gcc -c -o build_root/one.o -MMD -MF build_root/one.mf -MT TARGET -Isrc -Isrc/one -Isrc/two build_root/one.c},
-      %q{gcc -c -o build_root/src/two/two.o -MMD -MF build_root/src/two/two.mf -MT TARGET -Isrc -Isrc/one -Isrc/two src/two/two.c},
+      %q{gcc -c -o build_root/one.o -MMD -MF build_root/one.mf -Isrc -Isrc/one -Isrc/two build_root/one.c},
+      %q{gcc -c -o build_root/src/two/two.o -MMD -MF build_root/src/two/two.mf -Isrc -Isrc/one -Isrc/two src/two/two.c},
       %Q{gcc -o build_dir.exe build_root/src/two/two.o build_root/one.o},
     ]
   end
@@ -330,9 +332,9 @@ EOF
     result = run_test
     expect(result.stderr).to eq ""
     expect(Set[*lines(result.stdout)]).to eq Set[
-      %q{gcc -c -o debug/program.o -MMD -MF debug/program.mf -MT TARGET '-DSTRING="Debug Version"' -O2 src/program.c},
+      %q{gcc -c -o debug/program.o -MMD -MF debug/program.mf '-DSTRING="Debug Version"' -O2 src/program.c},
       %Q{gcc -o program-debug.exe debug/program.o},
-      %q{gcc -c -o release/program.o -MMD -MF release/program.mf -MT TARGET '-DSTRING="Release Version"' -O2 src/program.c},
+      %q{gcc -c -o release/program.o -MMD -MF release/program.mf '-DSTRING="Release Version"' -O2 src/program.c},
       %Q{gcc -o program-release.exe release/program.o},
     ]
   end
@@ -342,7 +344,7 @@ EOF
     result = run_test(rsconsfile: "clone_all.rb")
     expect(result.stderr).to eq ""
     expect(lines(result.stdout)).to eq [
-      %q{gcc -c -o build/program.o -MMD -MF build/program.mf -MT TARGET -DSTRING="Hello" -O2 src/program.c},
+      %q{gcc -c -o build/program.o -MMD -MF build/program.mf -DSTRING="Hello" -O2 src/program.c},
       %q{post build/program.o},
       %Q{gcc -o program.exe build/program.o},
       %q{post program.exe},
@@ -365,8 +367,8 @@ EOF
     result = run_test
     expect(result.stderr).to eq ""
     expect(Set[*lines(result.stdout)]).to eq Set[
-      'gcc -c -o one.o -MMD -MF one.mf -MT TARGET -DONE one.c',
-      'gcc -c -o build/two.o -MMD -MF build/two.mf -MT TARGET two.c',
+      'gcc -c -o one.o -MMD -MF one.mf -DONE one.c',
+      'gcc -c -o build/two.o -MMD -MF build/two.mf two.c',
       "gcc -o two_sources.exe one.o build/two.o",
     ]
     expect(File.exists?("two_sources.exe")).to be_truthy
@@ -378,10 +380,10 @@ EOF
     result = run_test
     expect(result.stderr).to eq ""
     expect(Set[*lines(result.stdout)]).to eq Set[
-      'gcc -c -o build/one.o -MMD -MF build/one.mf -MT TARGET -Dmake_lib one.c',
-      'gcc -c -o build/two.o -MMD -MF build/two.mf -MT TARGET -Dmake_lib two.c',
+      'gcc -c -o build/one.o -MMD -MF build/one.mf -Dmake_lib one.c',
+      'gcc -c -o build/two.o -MMD -MF build/two.mf -Dmake_lib two.c',
       'ar rcs lib.a build/one.o build/two.o',
-      'gcc -c -o build/three.o -MMD -MF build/three.mf -MT TARGET three.c',
+      'gcc -c -o build/three.o -MMD -MF build/three.mf three.c',
       "gcc -o library.exe lib.a build/three.o",
     ]
     expect(File.exists?("library.exe")).to be_truthy
@@ -393,8 +395,8 @@ EOF
     result = run_test(rsconsfile: "build_hooks.rb")
     expect(result.stderr).to eq ""
     expect(Set[*lines(result.stdout)]).to eq Set[
-      'gcc -c -o build_one/one.o -MMD -MF build_one/one.mf -MT TARGET -Isrc/one -Isrc/two -O1 src/one/one.c',
-      'gcc -c -o build_two/two.o -MMD -MF build_two/two.mf -MT TARGET -Isrc/one -Isrc/two -O2 src/two/two.c',
+      'gcc -c -o build_one/one.o -MMD -MF build_one/one.mf -Isrc/one -Isrc/two -O1 src/one/one.c',
+      'gcc -c -o build_two/two.o -MMD -MF build_two/two.mf -Isrc/one -Isrc/two -O2 src/two/two.c',
       'gcc -o build_hook.exe build_one/one.o build_two/two.o',
     ]
     expect(`./build_hook.exe`).to eq "Hello from two()\n"
@@ -431,8 +433,8 @@ EOF
       result = run_test
       expect(result.stderr).to eq ""
       slines = lines(result.stdout)
-      expect(slines).to include("gdc -c -o build/main.o -MMD -MF build/main.mf -MT TARGET main.d")
-      expect(slines).to include("gdc -c -o build/mod.o -MMD -MF build/mod.mf -MT TARGET mod.d")
+      expect(slines).to include("gdc -c -o build/main.o -MMD -MF build/main.mf main.d")
+      expect(slines).to include("gdc -c -o build/mod.o -MMD -MF build/mod.mf mod.d")
       expect(slines.last).to eq("gdc -o hello-d.exe build/main.o build/mod.o")
       expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
     end
@@ -442,8 +444,8 @@ EOF
       result = run_test
       expect(result.stderr).to eq ""
       slines = lines(result.stdout)
-      expect(slines).to include("gdc -c -o build/main.o -MMD -MF build/main.mf -MT TARGET main.d")
-      expect(slines).to include("gdc -c -o build/mod.o -MMD -MF build/mod.mf -MT TARGET mod.d")
+      expect(slines).to include("gdc -c -o build/main.o -MMD -MF build/main.mf main.d")
+      expect(slines).to include("gdc -c -o build/mod.o -MMD -MF build/mod.mf mod.d")
       expect(slines.last).to eq("gdc -o hello-d.exe build/main.o build/mod.o")
       expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
       fcontents = File.read("mod.d", mode: "rb").sub("42", "33")
@@ -451,8 +453,8 @@ EOF
       result = run_test
       expect(result.stderr).to eq ""
       slines = lines(result.stdout)
-      expect(slines).to include("gdc -c -o build/main.o -MMD -MF build/main.mf -MT TARGET main.d")
-      expect(slines).to include("gdc -c -o build/mod.o -MMD -MF build/mod.mf -MT TARGET mod.d")
+      expect(slines).to include("gdc -c -o build/main.o -MMD -MF build/main.mf main.d")
+      expect(slines).to include("gdc -c -o build/mod.o -MMD -MF build/mod.mf mod.d")
       expect(slines.last).to eq("gdc -o hello-d.exe build/main.o build/mod.o")
       expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 33!"
     end
@@ -894,8 +896,8 @@ EOF
       result = run_test(rsconsfile: "backward_compatible_build_hooks.rb")
       expect(result.stderr).to eq ""
       expect(Set[*lines(result.stdout)]).to eq Set[
-        'gcc -c -o one.o -MMD -MF one.mf -MT TARGET -Isrc -Isrc/one -Isrc/two -O1 src/two/two.c',
-        'gcc -c -o two.o -MMD -MF two.mf -MT TARGET -Isrc -Isrc/one -Isrc/two -O2 src/two/two.c'
+        'gcc -c -o one.o -MMD -MF one.mf -Isrc -Isrc/one -Isrc/two -O1 src/two/two.c',
+        'gcc -c -o two.o -MMD -MF two.mf -Isrc -Isrc/one -Isrc/two -O2 src/two/two.c'
       ]
       expect(File.exists?('one.o')).to be_truthy
       expect(File.exists?('two.o')).to be_truthy
@@ -1354,7 +1356,7 @@ EOF
       result = run_test(rsconsfile: "override_depfilesuffix.rb")
       expect(result.stderr).to eq ""
       expect(lines(result.stdout)).to eq [
-        "gcc -c -o simple.o -MMD -MF simple.deppy -MT TARGET simple.c",
+        "gcc -c -o simple.o -MMD -MF simple.deppy simple.c",
       ]
     end
 

spec/rscons/cache_spec.rb

@@ -26,13 +26,13 @@ module Rscons
         cache = build_from(_cache)
         expect(File).to receive(:exists?).with("one").and_return(true)
         expect(File).to receive(:exists?).with("one/two").and_return(false)
-        expect(FileUtils).to receive(:mkdir).with("one/two")
+        expect(FileUtils).to receive(:mkdir_p).with("one/two")
         expect(File).to receive(:exists?).with("one/two/three").and_return(false)
-        expect(FileUtils).to receive(:mkdir).with("one/two/three")
+        expect(FileUtils).to receive(:mkdir_p).with("one/two/three")
         expect(File).to receive(:exists?).with("one").and_return(true)
         expect(File).to receive(:exists?).with("one/two").and_return(true)
         expect(File).to receive(:exists?).with("one/two/four").and_return(false)
-        expect(FileUtils).to receive(:mkdir).with("one/two/four")
+        expect(FileUtils).to receive(:mkdir_p).with("one/two/four")
         cache.mkdir_p("one/two/three")
         cache.mkdir_p("one\\two\\four")
         expect(cache.directories).to eq ["one/two", "one/two/three", "one/two/four"]
@@ -43,7 +43,7 @@ module Rscons
         cache = build_from(_cache)
         expect(File).to receive(:exists?).with("/one").and_return(true)
         expect(File).to receive(:exists?).with("/one/two").and_return(false)
-        expect(FileUtils).to receive(:mkdir).with("/one/two")
+        expect(FileUtils).to receive(:mkdir_p).with("/one/two")
         cache.mkdir_p("/one/two")
         expect(cache.directories).to eq ["/one/two"]
       end

spec/rscons/environment_spec.rb

@@ -184,7 +184,7 @@ module Rscons
         env["foo"] = {}
         expect(env.expand_varref(["-p${path}", "${flags}"])).to eq ["-pdir1", "-pdir2", "-x", "-y", "-z"]
         expect(env.expand_varref("foo")).to eq "foo"
-        expect {env.expand_varref("${foo}")}.to raise_error /Unknown.varref.type/
+        expect {env.expand_varref("${foo}")}.to raise_error /Unknown.construction.variable.type/
         expect(env.expand_varref("${specialflag}")).to eq "-z"
         expect(env.expand_varref("${path}")).to eq ["dir1", "dir2"]
       end
@@ -329,7 +329,7 @@ module Rscons
         expect(File).to receive(:read).with('makefile').and_return(<<EOS)
 module.o: source.cc
 EOS
-        expect(Environment.parse_makefile_deps('makefile', 'module.o')).to eq ['source.cc']
+        expect(Environment.parse_makefile_deps('makefile')).to eq ['source.cc']
       end
 
       it 'handles dependencies split across many lines' do
@@ -338,7 +338,7 @@ module.o: module.c \\
   module.h \\
   other.h
 EOS
-        expect(Environment.parse_makefile_deps('makefile', 'module.o')).to eq [
+        expect(Environment.parse_makefile_deps('makefile')).to eq [
           'module.c', 'module.h', 'other.h']
       end
     end

spec/rscons/varset_spec.rb

@@ -159,14 +159,33 @@ module Rscons
       it "calls a lambda with the given lambda arguments" do
         expect(v.expand_varref("${lambda}", [v: "fez"])).to eq("fez--12")
       end
+      it "returns true when passed true" do
+        expect(v.expand_varref(true, :lambda_args)).to eq(true)
+      end
+      it "returns false when passed false" do
+        expect(v.expand_varref(false, :lambda_args)).to eq(false)
+      end
       it "raises an error when given an invalid argument" do
-        expect { v.expand_varref({a: :b}, :lambda_args) }.to raise_error /Unknown varref type: Hash/
+        expect { v.expand_varref({a: :b}, :lambda_args) }.to raise_error /Unknown construction variable type: Hash/
       end
       it "raises an error when an expanded variable is an unexpected type" do
         expect(v).to receive(:[]).at_least(1).times.with("bad").and_return("bad_val")
         expect(v).to receive(:expand_varref).with("bad_val", :lambda_args).and_return({a: :b})
         expect(v).to receive(:expand_varref).and_call_original
-        expect { v.expand_varref("${bad}", :lambda_args) }.to raise_error /I do not know how to expand a variable reference to a Hash/
+        expect { v.expand_varref("${bad}", :lambda_args) }.to raise_error /Unknown construction variable type: Hash/
+      end
+      it "expands symbols within a string outside an array" do
+        v['var'] = :a_symbol
+        expect(v.expand_varref("this is ${var}", :lambda_args)).to eq "this is a_symbol"
+      end
+      it "expands booleans within a string outside an array" do
+        v['var'] = false
+        expect(v.expand_varref("this is ${var}", :lambda_args)).to eq "this is false"
+      end
+      it "expands symbols and booleans in an array" do
+        v['var'] = [:a_symbol, false]
+        expanded = v.expand_varref("this is ${var}", :lambda_args)
+        expect(expanded).to eq(["this is a_symbol", "this is false"])
       end
     end