Downgrade to cabal-version: 3.0

coot · coot · commit 250522f9a33c · 2023-04-18T20:46:59.000+02:00
That's the latest version supported by hackage.
diff --git a/io-classes/io-classes.cabal b/io-classes/io-classes.cabal
@@ -1,4 +1,4 @@
-cabal-version:       3.4
+cabal-version:       3.0
 name:                io-classes
 version:             1.0.0.0
 synopsis:            Type classes for concurrency with STM, ST and timing
diff --git a/io-sim/io-sim.cabal b/io-sim/io-sim.cabal
@@ -1,4 +1,4 @@
-cabal-version:       3.4
+cabal-version:       3.0
 name:                io-sim
 version:             1.0.0.0
 synopsis:            A pure simulator for monadic concurrency with STM
diff --git a/si-timers/si-timers.cabal b/si-timers/si-timers.cabal
@@ -1,4 +1,4 @@
-cabal-version:       3.4
+cabal-version:       3.0
 name:                si-timers
 version:             1.0.0.0
 synopsis:            Timers using SI units (seconds) which are safe on 32-bit

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-cabal-version: 3.4`
	`1`	`+cabal-version: 3.0`
`2`	`2`	`name: io-classes`
`3`	`3`	`version: 1.0.0.0`
`4`	`4`	`synopsis: Type classes for concurrency with STM, ST and timing`