So that "/" are correct on Windows.
pkgconf = configuration_data()
pkgconf = configuration_data()
-pkgconf.set('prefix', get_option('prefix'))
+pkgconf.set('prefix', join_paths(get_option('prefix')))
pkgconf.set('exec_prefix', '${prefix}')
pkgconf.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))
pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
pkgconf.set('exec_prefix', '${prefix}')
pkgconf.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))
pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))