Class: Build

Inherits:
Object
  • Object
show all
Defined in:
Library/Homebrew/build.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(formula, options) ⇒ Build

Returns a new instance of Build



18
19
20
21
22
23
24
25
26
27
28
29
# File 'Library/Homebrew/build.rb', line 18

def initialize(formula, options)
  @formula = formula
  @formula.build = BuildOptions.new(options, formula.options)

  if ARGV.ignore_deps?
    @deps = []
    @reqs = []
  else
    @deps = expand_deps
    @reqs = expand_reqs
  end
end

Instance Attribute Details

#depsObject (readonly)

Returns the value of attribute deps



16
17
18
# File 'Library/Homebrew/build.rb', line 16

def deps
  @deps
end

#formulaObject (readonly)

Returns the value of attribute formula



16
17
18
# File 'Library/Homebrew/build.rb', line 16

def formula
  @formula
end

#reqsObject (readonly)

Returns the value of attribute reqs



16
17
18
# File 'Library/Homebrew/build.rb', line 16

def reqs
  @reqs
end

Instance Method Details

#detect_stdlibs(compiler) ⇒ Object



154
155
156
157
158
159
160
161
162
# File 'Library/Homebrew/build.rb', line 154

def detect_stdlibs(compiler)
  keg = Keg.new(formula.prefix)
  CxxStdlib.check_compatibility(formula, deps, keg, compiler)

  # The stdlib recorded in the install receipt is used during dependency
  # compatibility checks, so we only care about the stdlib that libraries
  # link against.
  keg.detect_cxx_stdlibs(skip_executables: true)
end

#effective_build_options_for(dependent) ⇒ Object



38
39
40
41
42
# File 'Library/Homebrew/build.rb', line 38

def effective_build_options_for(dependent)
  args  = dependent.build.used_options
  args |= Tab.for_formula(dependent).used_options
  BuildOptions.new(args, dependent.options)
end

#expand_depsObject



55
56
57
58
59
60
61
62
63
64
65
66
# File 'Library/Homebrew/build.rb', line 55

def expand_deps
  formula.recursive_dependencies do |dependent, dep|
    build = effective_build_options_for(dependent)
    if (dep.optional? || dep.recommended?) && build.without?(dep)
      Dependency.prune
    elsif dep.build? && dependent != formula
      Dependency.prune
    elsif dep.build?
      Dependency.keep_but_prune_recursive_deps
    end
  end
end

#expand_reqsObject



44
45
46
47
48
49
50
51
52
53
# File 'Library/Homebrew/build.rb', line 44

def expand_reqs
  formula.recursive_requirements do |dependent, req|
    build = effective_build_options_for(dependent)
    if (req.optional? || req.recommended?) && build.without?(req)
      Requirement.prune
    elsif req.build? && dependent != formula
      Requirement.prune
    end
  end
end

#fixopt(f) ⇒ Object



164
165
166
167
168
169
170
171
172
173
174
175
176
177
# File 'Library/Homebrew/build.rb', line 164

def fixopt(f)
  path = if f.linked_keg.directory? && f.linked_keg.symlink?
    f.linked_keg.resolved_path
  elsif f.prefix.directory?
    f.prefix
  elsif (kids = f.rack.children).size == 1 && kids.first.directory?
    kids.first
  else
    raise
  end
  Keg.new(path).optlink
rescue StandardError
  raise "#{f.opt_prefix} not present or broken\nPlease reinstall #{f.full_name}. Sorry :("
end

#installObject



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
# File 'Library/Homebrew/build.rb', line 68

def install
  formula_deps = deps.map(&:to_formula)
  keg_only_deps = formula_deps.select(&:keg_only?)

  formula_deps.each do |dep|
    fixopt(dep) unless dep.opt_prefix.directory?
  end

  ENV.activate_extensions!

  if superenv?
    ENV.keg_only_deps = keg_only_deps
    ENV.deps = formula_deps
    ENV.x11 = reqs.any? { |rq| rq.is_a?(X11Requirement) }
    ENV.setup_build_environment(formula)
    post_superenv_hacks
    reqs.each(&:modify_build_environment)
    deps.each(&:modify_build_environment)
  else
    ENV.setup_build_environment(formula)
    reqs.each(&:modify_build_environment)
    deps.each(&:modify_build_environment)

    keg_only_deps.each do |dep|
      ENV.prepend_path "PATH", dep.opt_bin.to_s
      ENV.prepend_path "PKG_CONFIG_PATH", "#{dep.opt_lib}/pkgconfig"
      ENV.prepend_path "PKG_CONFIG_PATH", "#{dep.opt_share}/pkgconfig"
      ENV.prepend_path "ACLOCAL_PATH", "#{dep.opt_share}/aclocal"
      ENV.prepend_path "CMAKE_PREFIX_PATH", dep.opt_prefix.to_s
      ENV.prepend "LDFLAGS", "-L#{dep.opt_lib}" if dep.opt_lib.directory?
      ENV.prepend "CPPFLAGS", "-I#{dep.opt_include}" if dep.opt_include.directory?
    end
  end

  new_env = {
    "TMPDIR" => HOMEBREW_TEMP,
    "TEMP" => HOMEBREW_TEMP,
    "TMP" => HOMEBREW_TEMP,
  }

  with_env(new_env) do
    formula.extend(Debrew::Formula) if ARGV.debug?

    formula.brew do |_formula, staging|
      # For head builds, HOMEBREW_FORMULA_PREFIX should include the commit,
      # which is not known until after the formula has been staged.
      ENV["HOMEBREW_FORMULA_PREFIX"] = formula.prefix

      staging.retain! if ARGV.keep_tmp?
      formula.patch

      if ARGV.git?
        system "git", "init"
        system "git", "add", "-A"
      end
      if ARGV.interactive?
        ohai "Entering interactive mode"
        puts "Type `exit' to return and finalize the installation"
        puts "Install to this prefix: #{formula.prefix}"

        if ARGV.git?
          puts "This directory is now a git repo. Make your changes and then use:"
          puts "  git diff | pbcopy"
          puts "to copy the diff to the clipboard."
        end

        interactive_shell(formula)
      else
        formula.prefix.mkpath

        (formula.logs/"00.options.out").write \
          "#{formula.full_name} #{formula.build.used_options.sort.join(" ")}".strip
        formula.install

        stdlibs = detect_stdlibs(ENV.compiler)
        tab = Tab.create(formula, ENV.compiler, stdlibs.first)
        tab.write

        # Find and link metafiles
        formula.prefix.install_metafiles formula.buildpath
        formula.prefix.install_metafiles formula.libexec if formula.libexec.exist?
      end
    end
  end
end

#post_superenv_hacksObject



31
32
33
34
35
36
# File 'Library/Homebrew/build.rb', line 31

def post_superenv_hacks
  # Only allow Homebrew-approved directories into the PATH, unless
  # a formula opts-in to allowing the user's path.
  return unless formula.env.userpaths? || reqs.any? { |rq| rq.env.userpaths? }
  ENV.userpaths!
end