Class: Xot::ExtConf

Inherits:
Object
  • Object
show all
Includes:
Rake, Util
Defined in:
lib/xot/extconf.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Rake

#arflags, #build_application, #build_native_library, #build_ruby_extension, #build_ruby_gem, #cd_sh, #compile_erb, #compile_erb_str, #cppflags, #cxxflags, #default_tasks, #define_placeholder_tasks, #doc_dir, #erbs_map, #excluded?, #excludes, #ext_dir, #filter_file, #glob, #inc_dir, #install_packages, #lib_dir, #make_cflags, #make_cppflags, #make_cppflags_defs, #make_cppflags_incdirs, #make_cppflags_sys_incdirs, #make_ldflags, #make_path_map, #noverbose_puts, #params, #rake_puts, #ruby_inc_dirs, #src_dir, #src_dirs, #src_ext_map, #src_exts, #srcs_map, #swiftc, #swiftflags, #target, #target_name, #test_dir, #test_ruby_extension, #tests_alone, #tests_exclude, #use_boost_library, #use_bundler, #use_external_library, #vendor_dir, #vendor_srcs_map, #verbose_puts

Constructor Details

#initialize(*extensions, &block) ⇒ ExtConf

Returns a new instance of ExtConf.



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# File 'lib/xot/extconf.rb', line 14

def initialize(*extensions, &block)
  @extensions = extensions.map {|x| x.const_get :Extension}
  @defs, @inc_dirs, @lib_dirs, @headers, @libs, @local_libs, @frameworks =
    ([[]] * 7).map(&:dup)
  Xot::BlockUtil.instance_eval_or_block_call self, &block if block
end

Instance Attribute Details

#defs ⇒ Object (readonly)

Returns the value of attribute defs.



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# File 'lib/xot/extconf.rb', line 21

def defs
  @defs
end

#extensions ⇒ Object (readonly)

Returns the value of attribute extensions.



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# File 'lib/xot/extconf.rb', line 21

def extensions
  @extensions
end

#frameworks ⇒ Object (readonly)

Returns the value of attribute frameworks.



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# File 'lib/xot/extconf.rb', line 21

def frameworks
  @frameworks
end

#headers ⇒ Object (readonly)

Returns the value of attribute headers.



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# File 'lib/xot/extconf.rb', line 21

def headers
  @headers
end

#inc_dirs ⇒ Object (readonly)

Returns the value of attribute inc_dirs.



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# File 'lib/xot/extconf.rb', line 21

def inc_dirs
  @inc_dirs
end

#lib_dirs ⇒ Object (readonly)

Returns the value of attribute lib_dirs.



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# File 'lib/xot/extconf.rb', line 21

def lib_dirs
  @lib_dirs
end

#libs ⇒ Object (readonly)

Returns the value of attribute libs.



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# File 'lib/xot/extconf.rb', line 21

def libs
  @libs
end

#local_libs ⇒ Object (readonly)

Returns the value of attribute local_libs.



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# File 'lib/xot/extconf.rb', line 21

def local_libs
  @local_libs
end

Instance Method Details

#build_lib_objs_for_wasm ⇒ Object 



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# File 'lib/xot/extconf.rb', line 87

def build_lib_objs_for_wasm()
  ruby_dirs = [
    "#{ENV['extout']}/include/wasm32-emscripten",
    "#{ENV['top_srcdir']}/include"
  ]
  envs      = {
    CC:       '',
    CXX:      '',
    AR:       '',
    RANLIB:   '',
    CPPFLAGS: ' -sUSE_SDL=2 -sUSE_SDL_TTF=2',
    CFLAGS:   ' -sUSE_SDL=2 -sUSE_SDL_TTF=2',
    CXXFLAGS: '',
    LDFLAGS:  ' -sUSE_SDL=2 -sUSE_SDL_TTF=2',
    INCDIRS:  ruby_dirs.join(' ')
  }.map {|k, v| "#{k}='#{(RbConfig::CONFIG[k.to_s] || '') + v}'"}

  Dir.chdir target.root_dir do
    cmd = "#{envs.join ' '} rake ext:lib_objs"
    puts cmd
    system cmd
  end
end

#create_makefile(*args) ⇒ Object 



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# File 'lib/xot/extconf.rb', line 60

def create_makefile(*args)
  extensions.each do |ext|
    dir_config ext.name(true), ext.inc_dir, ext.lib_dir
  end

  exit 1 unless headers.all? {|s| have_header s}
  exit 1 unless libs.all?    {|s| have_library s, 't'} unless wasm?

  super

  export_all_symbols     if mingw? || cygwin?
  link_lib_objs_for_wasm if wasm?
end

#debug ⇒ Object 



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# File 'lib/xot/extconf.rb', line 27

def debug()
  env :DEBUG, false
end

#export_all_symbols ⇒ Object 



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# File 'lib/xot/extconf.rb', line 74

def export_all_symbols()
  name = my_ext.name true
  opts = %W[
    -Wl,--export-all-symbols,--whole-archive
    -l#{name}
    -Wl,--no-whole-archive
  ].join ' '
  filter_file('Makefile') {|s|
    s.sub(/^DEFFILE\s*=.*$/, 'DEFFILE =')
     .sub(/^(LOCAL_LIBS\s*=.*) -l#{name}\b/) {"#{$1} #{opts}"}
  }
end

#link_lib_objs_for_wasm ⇒ Object 



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# File 'lib/xot/extconf.rb', line 111

def link_lib_objs_for_wasm()
  lib_objs = Dir.glob "#{target.ext_dir}/**/__libobj_*.o"
  filter_file 'Makefile' do |str|
    str.sub(/^(\s*)(.*\$\(AR\).*)$/) {
      "#{$1}#{$2}\n#{$1}$(Q) $(AR) r $@ #{lib_objs.join ' '}"
    }
  end
end

#my_ext ⇒ Object 



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# File 'lib/xot/extconf.rb', line 23

def my_ext()
  extensions.last
end

#setup ⇒ Object 



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# File 'lib/xot/extconf.rb', line 31

def setup()
  yield if block_given?

  extensions.each do |ext|
    name     = ext.name true
    lib_name = ext == my_ext ? name : ext.lib_name
    headers << "#{name}.h"
    local_libs << lib_name if lib_name
  end

  ldflags = $LDFLAGS.dup
  case
  when osx?
    opt = '-Wl,-undefined,dynamic_lookup'
    ldflags << " #{opt}" unless ($DLDFLAGS || '').include?(opt)
    ldflags << ' -Wl,-bind_at_load' if osx? && debug?
  when wasm?
    build_lib_objs_for_wasm
  end

  local_libs << 'stdc++' if gcc?

  $CPPFLAGS = make_cppflags $CPPFLAGS, defs, inc_dirs
  $CFLAGS   = make_cflags   $CFLAGS   + ' -x c++'
  $CXXFLAGS = make_cflags   $CXXFLAGS + ' -x c++' if $CXXFLAGS
  $LDFLAGS  = make_ldflags  ldflags, lib_dirs, frameworks
  $LOCAL_LIBS << local_libs.reverse.map {|s| " -l#{s}"}.join
end