85 lines
2.2 KiB
Ruby
85 lines
2.2 KiB
Ruby
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# frozen_string_literal: true
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gem_root = File.expand_path('..', __dir__)
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libsass_dir = File.join(gem_root, 'ext', 'libsass')
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if !File.directory?(libsass_dir) ||
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# '.', '..', and possibly '.git' from a failed checkout:
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Dir.entries(libsass_dir).size <= 3
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Dir.chdir(gem_root) { system('git submodule update --init') } or
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fail 'Could not fetch libsass'
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end
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require 'mkmf'
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$CXXFLAGS << ' -std=c++11'
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# Set to true when building binary gems
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if enable_config('static-stdlib', false)
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$LDFLAGS << ' -static-libgcc -static-libstdc++'
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end
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# Set to false when building binary gems
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if enable_config('march-tune-native', true)
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$CFLAGS << ' -march=native -mtune=native'
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$CXXFLAGS << ' -march=native -mtune=native'
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end
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if enable_config('lto', true)
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$CFLAGS << ' -flto'
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$CXXFLAGS << ' -flto'
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$LDFLAGS << ' -flto'
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end
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# Disable noisy compilation warnings.
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$warnflags = ''
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$CFLAGS.gsub!(/[\s+](-ansi|-std=[^\s]+)/, '')
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dir_config 'libsass'
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libsass_version = Dir.chdir(libsass_dir) do
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if File.exist?('.git')
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ver = %x[git describe --abbrev=4 --dirty --always --tags].chomp
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File.write('VERSION', ver)
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ver
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end
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File.read('VERSION').chomp if File.exist?('VERSION')
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end
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if libsass_version
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libsass_version_def = %Q{ -DLIBSASS_VERSION='"#{libsass_version}"'}
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$CFLAGS << libsass_version_def
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$CXXFLAGS << libsass_version_def
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end
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$INCFLAGS << " -I$(srcdir)/libsass/include"
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$VPATH << "$(srcdir)/libsass/src"
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Dir.chdir(__dir__) do
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$VPATH += Dir['libsass/src/*/'].map { |p| "$(srcdir)/#{p}" }
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$srcs = Dir['libsass/src/**/*.{c,cpp}']
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end
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MakeMakefile::LINK_SO << "\nstrip -x $@"
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# Don't link libruby.
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$LIBRUBYARG = nil
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# Disable .def file generation for mingw, as it defines an
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# `Init_libsass` export which we don't have.
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MakeMakefile.send(:remove_const, :EXPORT_PREFIX)
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MakeMakefile::EXPORT_PREFIX = nil
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if RUBY_ENGINE == 'jruby' &&
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Gem::Version.new(RUBY_ENGINE_VERSION) < Gem::Version.new('9.2.8.0')
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# COUTFLAG is not set correctly on jruby<9.2.8.0
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# See https://github.com/jruby/jruby/issues/5749
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MakeMakefile.send(:remove_const, :COUTFLAG)
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MakeMakefile::COUTFLAG = '-o $(empty)'
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# CCDLFLAGS is not set correctly on jruby<9.2.8.0
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# See https://github.com/jruby/jruby/issues/5751
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$CXXFLAGS << ' -fPIC'
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end
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create_makefile 'sassc/libsass'
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