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Ales Tamchyna patch for ancient Boost.

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This commit is contained in:
Kenneth Heafield 2013-01-23 13:28:15 +00:00
parent 4cc23d233d
commit 22bf1c77e9
1 changed files with 14 additions and 1 deletions
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15
lm/builder/lmplz_main.cc
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@ -6,6 +6,7 @@
#include <iostream>
#include <boost/program_options.hpp>
#include <boost/version.hpp>
namespace {
class SizeNotify {
@ -33,7 +34,11 @@ int main(int argc, char *argv[]) {
lm::builder::PipelineConfig pipeline;
options.add_options()
("order,o", po::value<std::size_t>(&pipeline.order)->required(), "Order of the model")
("order,o", po::value<std::size_t>(&pipeline.order)
#if BOOST_VERSION >= 104200
->required()
#endif
, "Order of the model")
("interpolate_unigrams", po::bool_switch(&pipeline.initial_probs.interpolate_unigrams), "Interpolate the unigrams (default: emulate SRILM by not interpolating)")
("temp_prefix,T", po::value<std::string>(&pipeline.sort.temp_prefix)->default_value("/tmp/lm"), "Temporary file prefix")
("memory,S", SizeOption(pipeline.sort.total_memory, util::GuessPhysicalMemory() ? "80%" : "1G"), "Sorting memory")
@ -68,6 +73,14 @@ int main(int argc, char *argv[]) {
po::store(po::parse_command_line(argc, argv, options), vm);
po::notify(vm);
// required() appeared in Boost 1.42.0.
#if BOOST_VERSION < 104200
if (!vm.count("order")) {
std::cerr << "the option '--order' is required but missing" << std::endl;
return 1;
}
#endif
util::NormalizeTempPrefix(pipeline.sort.temp_prefix);
lm::builder::InitialProbabilitiesConfig &initial = pipeline.initial_probs;