option('testmains', type: 'boolean', value: false,
       description: 'Build small diag/test drivers. Not unit tests')
option('rclgrep', type: 'boolean', value: false,
       description: 'Build the index-less search tool')
option('python-module', type: 'boolean', value: true,
       description: 'Build the Recoll Python extension module.')
option('python-chm', type: 'boolean', value: true,
       description: 'Build the libchm Python wrapper')
option('python-aspell', type: 'boolean', value: true,
       description: 'build the aspell Python wrapper')
option('indexer', type: 'boolean', value: true,
       description: 'Build the recollindex indexer (else recoll is query-only)')
option('xadump', type: 'boolean', value: false,
       description: 'build the xadump low level Xapian access program')
option('recollq', type: 'boolean', value: false,
       description: 'Build the recollq command line query tool')
option('qtgui', type: 'boolean', value: true,
       description: 'Build the Qt GUI')
option('noqtsingleapp', type: 'boolean', value: false,
       description: 'Do not use Use the SingleApplication module')
option('webkit', type: 'boolean', value: true,
       description: 'Use Qt Webkit')
option('webengine', type: 'boolean', value: false,
       description: 'Use Qt Webengine instead of Webkit')
option('webpreview', type: 'boolean', value: true,
       description: 'Implement the GUI preview windows with webkit or webengine instead of qtextbrowser')
option('guidebug', type: 'boolean', value: false,
       description: 'Generate and retain debug symbols in the GUI program')
# Note: idxthreads should have a false default on Mac OS as it does not perform well.
option('idxthreads', type: 'boolean', value : true,
       description: 'Enable multithreaded indexing')
option('simdutf', type: 'boolean', value : true,
       description: 'Use the simdutf module for faster charset conversion')
option('spawn', type: 'boolean', value : false,
       description: 'Use posix_spawn instead of execv')
option('camelcase', type: 'boolean', value : false,
       description: 'Split camelCase words. This has bad consequences for phrase searches')
option('libmagic', type: 'boolean', value: true,
       description: 'Use libmagic instead of executing xdg-mime/file')
option('ext4-birthtime', type: 'boolean', value: false,
       description: 'Support birthtime metadata for ext4 file systems')
option('x11mon', type: 'boolean', value: true,
       description: 'recollindex support for X11 session monitoring (needs Xlib)')
option('file-command', type: 'string', value: 'file',
       description: 'file type identification command to use by default. This is normally defined in the config')
option('aspell', type: 'boolean', value: true,
       description: 'Use the aspell program and/or library for spelling approximations')
option('semantic', type: 'boolean', value: false,
       description: 'Enable the semantic search functions')
option('inotify', type: 'boolean', value: true,
       description: 'Use inotify for monitoring file changes')
option('fam', type: 'boolean', value: false,
       description: 'Use fam for monitoring file changes')
option('fsevents', type: 'boolean', value: true,
       description: 'Use Apple fsevents API for monitoring file changes')
option('qtzeitgeist', type: 'boolean', value: false,
       description: 'Use the qt zeitgeist library for generating zeitgeist events')
option('appimage', type: 'boolean', value: false,
       description: 'build for inclusion in an AppImage')
option('catch', type: 'boolean', value: false, description: 'build the catch2 unit tests')
option('systemd', type: 'boolean', value: true,
       description: 'Install the systemd unit files')
# Was supplied in configure.ac 'pkg-config --variable systemd_system_unit_dir systemd'
option('systemd-system-unit-dir', type: 'string', value:'/usr/lib/systemd/system',
       description: 'Install location for systemd system unit files')
# Was supplied in configure.ac by 'pkg-config --variable systemd_user_unit_dir systemd'
option('systemd-user-unit-dir', type: 'string', value:'/usr/lib/systemd/user',
       description: 'Install location for systemd user unit files')
# Note: the autotools build never built the manual, and the build would not work for out of tree
# builds anyway.  the tar-based build succeeded because usermanual.html was part of the tarfile
# Not sure it makes sense to fix this.
#option('userdoc', type: 'boolean', value: true,
#       description: 'Build the user manual (needs docbook xml/xsl files and TeX tools)')
option('aspell_include_dir', type: 'string', value:'',
                             description: 'Specify the aspell include directory (if not found in the system include directories).')
option('chm_include_dir', type: 'string', value:'',
                          description: 'Specify the chm include directory (if not found in the system include directories).')
