# Workaround to make Rubygems believe it builds a native gem
require 'mkmf'
create_makefile('none')
# TODO: determine whether we really need to be working around instead of with mkmf
if `uname -s`.chomp != 'Darwin'
puts "Warning! Only Darwin (Mac OS X) systems are supported, nothing will be compiled"
else
begin
xcode_path = %x[xcode-select -print-path].to_s.strip!
rescue Errno::ENOENT
end
raise "Could not find a suitable Xcode installation" unless xcode_path
gem_root = File.expand_path(File.join('..'))
darwin_version = `uname -r`.to_i
sdk_version = { 9 => '10.5', 10 => '10.6', 11 => '10.7' }[darwin_version]
raise "Only Darwin systems greater than 8 (Mac OS X 10.5+) are supported" unless sdk_version
core_flags = %W{
-isysroot #{xcode_path}/SDKs/MacOSX#{sdk_version}.sdk
-mmacosx-version-min=#{sdk_version} -mdynamic-no-pic -std=gnu99
}
cflags = core_flags + %w{-Os -pipe}
wflags = %w{
-Wmissing-prototypes -Wreturn-type -Wmissing-braces -Wparentheses -Wswitch
-Wunused-function -Wunused-label -Wunused-parameter -Wunused-variable
-Wunused-value -Wuninitialized -Wunknown-pragmas -Wshadow
-Wfour-char-constants -Wsign-compare -Wnewline-eof -Wconversion
-Wshorten-64-to-32 -Wglobal-constructors -pedantic
}
ldflags = %w{
-dead_strip -framework CoreServices
}
cc_opts = core_flags + ldflags
cc_opts += %w{
-D DEBUG=true
} if ENV['FWDEBUG'] == "true"
cc_bin = `which clang || which gcc`.to_s.strip!
compile_command = "CFLAGS='#{cflags.join(' ')} #{wflags.join(' ')}' #{cc_bin} #{cc_opts.join(' ')} -o '#{gem_root}/bin/fsevent_watch' fsevent/fsevent_watch.c"
STDERR.puts(compile_command)
# Compile the actual fsevent_watch binary
system "mkdir -p #{File.join(gem_root, 'bin')}"
system compile_command
unless File.executable?("#{gem_root}/bin/fsevent_watch")
raise "Compilation of fsevent_watch failed (see README)"
end
end