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Show information about flex (version and command path) in meson output

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Like bison, this is useful to know which version and command of flex are
detected by meson.  For example, this was useful for me when using
win_flex.exe on Windows.

Reviewed-by: Peter Eisentraut
Discussion: https://postgr.es/m/ZDT3FbmrjBuBthmR@paquier.xyz
This commit is contained in:
Michael Paquier 2023-07-04 07:25:34 +09:00
parent 957845789b
commit 72df1d3f1b
1 changed files with 5 additions and 0 deletions
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5
meson.build
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@ -361,6 +361,10 @@ bison_kw = {
} }
flex_flags = [] flex_flags = []
if flex.found()
flex_version_c = run_command(flex, '--version', check: true)
flex_version = flex_version_c.stdout().split(' ')[1].split('\n')[0]
endif
flex_wrapper = files('src/tools/pgflex') flex_wrapper = files('src/tools/pgflex')
flex_cmd = [python, flex_wrapper, flex_cmd = [python, flex_wrapper,
'--builddir', '@BUILD_ROOT@', '--builddir', '@BUILD_ROOT@',
@ -3370,6 +3374,7 @@ if meson.version().version_compare('>=0.57')
{ {
'bison': '@0@ @1@'.format(bison.full_path(), bison_version), 'bison': '@0@ @1@'.format(bison.full_path(), bison_version),
'dtrace': dtrace, 'dtrace': dtrace,
'flex': '@0@ @1@'.format(flex.full_path(), flex_version),
}, },
section: 'Programs', section: 'Programs',
) )