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ruby--ruby/ext/fiddle/extconf.rb

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require 'mkmf'
# :stopdoc:
dir_config 'libffi'
pkg_config("libffi")
unless have_header('ffi.h')
if have_header('ffi/ffi.h')
$defs.push(format('-DUSE_HEADER_HACKS'))
else
abort "ffi.h is missing. Please install libffi."
end
end
unless have_library('ffi') || have_library('libffi')
abort "libffi is missing. Please install libffi."
end
have_header 'sys/mman.h'
config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
types.each do |type, signed|
if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
if size = $2 and size != 'VOIDP'
size = types.fetch(size) {size}
$defs << format("-DTYPE_%s=TYPE_%s", signed||type, size)
end
if signed
check_signedness(type.downcase, "stddef.h")
end
end
end
create_makefile 'fiddle'
# :startdoc: