- test_program (optional, 'makeinfo', '4.7', 'Makeinfo tool', 'texinfo')
- test_program (optional, 'guile', '1.6', 'GUILE scheme',
- 'libguile-dev or guile-devel')
- test_program (optional, 'mftrace', '1.0.27', 'Metafont tracing Type1',
+ # Do not use bison 1.50 and 1.75.
+ #test_program (optional, 'foo', '2.0', 'Foomatic tester', 'bar')
+ test_program (optional, 'bison', '1.25', 'Bison -- parser generator',
+ 'bison')
+ test_program (optional, 'dvips', '0.0', 'Dvips', 'tetex-bin')
+ test_program (optional, 'fontforge', '0.0.20041224', 'FontForge',
+ 'fontforge')
+ test_program (optional, 'flex', '0.0', 'Flex -- lexer generator',
+ 'flex')
+ test_program (optional, 'guile', '1.6', 'GUILE scheme', 'guile')
+ test_program (optional, 'gs', '8.14',
+ 'Ghostscript PostScript interpreter',
+ 'gs or gs-afpl or gs-esp or gs-gpl')
+ test_program (optional, 'mftrace', '1.1.0', 'Metafont tracing Type1',