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build/node_modules/jpegtran-bin/lib/install.js

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+'use strict';
+var path = require('path');
+var BinBuild = require('bin-build');
+var log = require('logalot');
+var bin = require('./');
+
+var args = [
+	'-copy', 'none',
+	'-optimize',
+	'-outfile', path.join(__dirname, '../test/fixtures/test-optimized.jpg'),
+	path.join(__dirname, '../test/fixtures/test.jpg')
+];
+
+bin.run(args, function (err) {
+	if (err) {
+		log.warn(err.message);
+		log.warn('jpegtran pre-build test failed');
+		log.info('compiling from source');
+
+		var cfg = [
+			'./configure --disable-shared',
+			'--prefix="' + bin.dest() + '" --bindir="' + bin.dest() + '"'
+		].join(' ');
+
+		var builder = new BinBuild()
+			.cmd('touch configure.ac aclocal.m4 configure Makefile.am Makefile.in')
+			.src('https://downloads.sourceforge.net/project/libjpeg-turbo/1.5.1/libjpeg-turbo-1.5.1.tar.gz')
+			.cmd(cfg)
+			.cmd('make install');
+
+		return builder.run(function (err) {
+			if (err) {
+				log.error(err.stack);
+				return;
+			}
+
+			log.success('jpegtran built successfully');
+		});
+	}
+
+	log.success('jpegtran pre-build test passed successfully');
+});