Sha256: 4f84dd41a107331499b1393f8ed37c1a4e4eb5196f0dd73d2068f938a18030eb
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Versions: 11
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Stored size: 1.71 KB
Contents
module RbPlusPlus
module Writers
# Writes out the code for building the extension.
# This writer takes care of building the extconf.rb
# file with the appropriate options.
class ExtensionWriter < Base
# Options given from the extension
attr_accessor :options
def write
extconf = File.join(working_dir, "extconf.rb")
inc_str = @options[:include_paths].flatten.uniq.map {|i| "-I#{i}"}.join(" ")
inc_str += " " + @options[:cxxflags].flatten.join(" ")
lib_path_str = @options[:library_paths].flatten.uniq.map {|i| "-L#{i}"}.join(" ")
lib_str = @options[:libraries].flatten.uniq.map {|i| "-l#{i}"}.join(" ")
lib_str += " " + @options[:ldflags].flatten.join(" ")
File.open(extconf, "w+") do |file|
file.puts <<-EOF
require 'rubygems'
require 'mkmf-rice'
# Add the arguments to the linker flags.
def append_ld_flags(flags)
flags = [flags] unless flags.is_a?(Array)
with_ldflags("\#{$LDFLAGS} \#{flags.join(' ')}") { true }
end
$CPPFLAGS += \" -I'#{working_dir}' #{inc_str}\"
$LDFLAGS += \" #{lib_path_str} #{lib_str}\"
if RUBY_PLATFORM =~ /darwin/
# In order to link the shared library into our bundle with GCC 4.x on OSX, we have to work around a bug:
# GCC redefines symbols - which the -fno-common prohibits. In order to keep the -fno-common, we
# remove the flat_namespace (we now have two namespaces, which fixes the GCC clash). Also, we now lookup
# symbols in both the namespaces (dynamic_lookup).
$LDSHARED_CXX.gsub!('suppress', 'dynamic_lookup')
$LDSHARED_CXX.gsub!('-flat_namespace', '')
append_ld_flags '-all_load'
end
create_makefile(\"#{builder.name}\")
EOF
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems