Hexagon (meson.build): define min bison version
Hexagon's idef-parser machinery uses some bison features that are not available at older versions. The most preeminent example (as it can be used as a sentinel) is "%define parse.error verbose". This was introduced in version 3.0 of the tool, which is able to compile qemu-hexagon just fine. However, compilation fails with the previous minor bison release, v2.7. So let's assert the minimum version at meson.build to give a more comprehensive error message for those trying to compile QEMU. [1]: https://www.gnu.org/software/bison/manual/html_node/_0025define-Summary.html#index-_0025define-parse_002eerror Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Alessandro Di Federico <ale@rev.ng> Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Message-Id: <a6763f9f7b89ea310ab86f9a2b311a05254a1acd.1675779233.git.quic_mathbern@quicinc.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
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@ -183,7 +183,7 @@ if idef_parser_enabled and 'hexagon-linux-user' in target_dirs
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bison = generator(
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bison = generator(
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find_program('bison'),
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find_program('bison', version: '>=3.0'),
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output: ['@BASENAME@.tab.c', '@BASENAME@.tab.h'],
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output: ['@BASENAME@.tab.c', '@BASENAME@.tab.h'],
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arguments: ['@INPUT@', '--defines=@OUTPUT1@', '--output=@OUTPUT0@']
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arguments: ['@INPUT@', '--defines=@OUTPUT1@', '--output=@OUTPUT0@']
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)
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)
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