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116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
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/***************************************************************************
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qgis_config.cpp
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Display information about the installed version of QGIS.
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This information can be used to configure applications that use
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the QGIS library.
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begin : 2004-03-22
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copyright : (C) 2004 by Gary Sherman
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email : sherman at mrcc.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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/* $Id$ */
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#include <iostream>
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#include <getopt.h>
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/**
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* Show usage of qgis_config when user supplies --help or -h as an argument
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*/
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void usage()
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{
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std::cout <<
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"qgis_config provides information about the installed version of QGIS.\n\n" <<
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"Usage:\n " <<
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" qgis_config OPTION...\n\n" <<
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"Options:\n" <<
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" --bindir show location of executable(s)\n" <<
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" --includedir show location of C++ header files\n" <<
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" --libdir show location of installed libraries\n" <<
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" --help show this help, then exit\n"
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<< std::endl;
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}
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/**
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* Main function to display various information about the configured
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* and installed version of QGIS. This information is based on parameters
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* supplied when configuring QGIS prior to building.
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*/
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int main(int argc, char **argv)
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{
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int optionChar;
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// options structure
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static struct option long_options[] =
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{
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/* These options set a flag. */
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{"help", no_argument, 0, 'h'},
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/* These options don't set a flag.
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* We distinguish them by their indices. */
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{"prefix", no_argument, 0, 'p'},
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{"bindir", no_argument, 0, 'b'},
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{"includedir", no_argument, 0, 'i'},
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{"libdir", no_argument, 0, 'l'},
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{0, 0, 0, 0}
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};
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// If no argument is given, show hint
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if(argc == 1)
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{
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std::cout << "qgis_config: argument required" << std::endl;
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std::cout << "Try \"qgis_config --help\" for more information." << std::endl;
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}else
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{
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// One or more arguments supplied
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while (1)
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{
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/* getopt_long stores the option index here. */
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int option_index = 0;
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optionChar = getopt_long (argc, argv, "pbil",
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long_options, &option_index);
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/* Detect the end of the options. */
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if (optionChar == -1)
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break;
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switch (optionChar)
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{
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case 'p':
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std::cout << PREFIX << std::endl;
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break;
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case 'b':
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std::cout << BIN_DIR << std::endl;
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break;
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case 'i':
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std::cout << INCLUDE_DIR << std::endl;
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break;
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case 'l':
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std::cout << LIB_DIR << std::endl;
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break;
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case 'h':
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usage();
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return 1;
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break;
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default:
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std::cout << "Try \"qgis_config --help\" for more information."
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<< std::endl;
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return 1;
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}
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}
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}
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// return success
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return 0;
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}
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