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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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62 lines
1.5 KiB
Meson
62 lines
1.5 KiB
Meson
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cc = meson.get_compiler('c')
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py3 = find_program('python3', required : false)
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if not py3.found()
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# Maybe 'python' is Python 3
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py3 = find_program('python')
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endif
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# Find flex, configure lex generator
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flex_cdata = configuration_data()
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flex = find_program('flex', required : false)
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if not flex.found()
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flex = find_program('win_flex', required : false)
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if not flex.found()
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error('flex not found')
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endif
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endif
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flex_cdata.set('FLEX', flex.path())
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if cc.get_id() == 'msvc'
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flex_cdata.set('FLEX_ARGS', '--nounistd')
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else
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flex_cdata.set('FLEX_ARGS', '')
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endif
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gen_lex = configure_file(input : 'gen_lex.py.in',
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output : 'gen_lex.py',
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configuration : flex_cdata)
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# Find bison, configure grammar generator
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bison_cdata = configuration_data()
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bison = find_program('bison', required : false)
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if not bison.found()
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bison = find_program('win_bison', required : false)
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if not bison.found()
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error('GNU bison not found')
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endif
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endif
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bison_cdata.set('BISON', bison.path())
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bison_cdata.set('BISON_ARGS', '')
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gen_grammar = configure_file(input : 'gen_grammar.py.in',
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output : 'gen_grammar.py',
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configuration : bison_cdata)
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# Custom targets
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parser = custom_target('parselex',
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input : 'parse.l',
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output : ['lex.priv_gst_parse_yy.c', 'parse_lex.h'],
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command : [py3, gen_lex, '@OUTPUT0@', '@OUTPUT1@', '@INPUT@', 'DUMMY']
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)
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grammar = custom_target('parsegrammar',
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input : 'grammar.y',
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output : ['grammar.tab.c', 'grammar.tab.h'],
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command : [py3, gen_grammar, '@OUTPUT0@', '@OUTPUT1@', '@INPUT@'],
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depends : [parser],
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)
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