Commit6a0b6b0

michaelpq

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

Like bison, this is useful to know which version and command of flex aredetected by meson. For example, this was useful for me when usingwin_flex.exe on Windows.Reviewed-by: Peter EisentrautDiscussion:https://postgr.es/m/ZDT3FbmrjBuBthmR@paquier.xyz

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Original file line number	Diff line number	Diff line change
`@@ -361,6 +361,10 @@ bison_kw = {`
`361`	`361`	`}`
`362`	`362`
`363`	`363`	`flex_flags= []`
	`364`	`+if flex.found()`
	`365`	`+ flex_version_c=run_command(flex,'--version',check:true)`
	`366`	`+ flex_version= flex_version_c.stdout().split('')[1].split('\n')[0]`
	`367`	`+endif`
`364`	`368`	`flex_wrapper=files('src/tools/pgflex')`
`365`	`369`	`flex_cmd= [python, flex_wrapper,`
`366`	`370`	`'--builddir','@BUILD_ROOT@',`
`@@ -3370,6 +3374,7 @@ if meson.version().version_compare('>=0.57')`
`3370`	`3374`	`{`
`3371`	`3375`	`'bison':'@0@ @1@'.format(bison.full_path(), bison_version),`
`3372`	`3376`	`'dtrace': dtrace,`
	`3377`	`+'flex':'@0@ @1@'.format(flex.full_path(), flex_version),`
`3373`	`3378`	`},`
`3374`	`3379`	`section:'Programs',`
`3375`	`3380`	`)`

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