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Add CLI flag & directive for clang/LLVM target triples when using Scala Native #3424

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Add CLI flag & directive for clang/LLVM target triples when using Scala Native #3424

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a8f8e5c
Added CLI flag & directive for clang/LLVM target triples when using S…
bynux-gh Jan 15, 2025
6244a52
Updated reference docs
bynux-gh Jan 15, 2025
06c6579
Used updated Scala 3 syntax per scalafmt
bynux-gh Jan 15, 2025
f4fd73e
Corrected order of Scala Native directives in docs
bynux-gh Jan 15, 2025
d379a32
Adjusted CLI option return per Scalafix recommendation
bynux-gh Jan 15, 2025
0837ebb
Update modules/cli/src/main/scala/scala/cli/commands/shared/ScalaNati…
bynux-gh Jan 16, 2025
2f3ada1
Fix: System libs no longer searched w/ target triple
bynux-gh Jan 18, 2025
bbdde76
Set --target-triple as experimental
bynux-gh Jan 18, 2025
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5 changes: 5 additions & 0 deletions modules/cli/src/main/scala/scala/cli/commands/shared/ScalaNativeOptions.scala
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Expand Up @@ -31,6 +31,11 @@ final case class ScalaNativeOptions(
@Tag(tags.should)
nativeGc: Option[String] = None,

@Group(HelpGroup.ScalaNative.toString)
@HelpMessage("Set a target triple to which Scala Native can cross-compile")
@Tag(tags.should)
nativeTargetTriple: Option[String] = None,

@Group(HelpGroup.ScalaNative.toString)
@HelpMessage("Path to the Clang command")
@Tag(tags.implementation)
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1 change: 1 addition & 0 deletions modules/cli/src/main/scala/scala/cli/commands/shared/SharedOptions.scala
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Expand Up @@ -282,6 +282,7 @@ final case class SharedOptions(
modeStr = nativeMode,
ltoStr = nativeLto,
gcStr = nativeGc,
targetTripleStr = nativeTargetTriple,
clang = nativeClang,
clangpp = nativeClangpp,
linkingOptions = nativeLinking,
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4 changes: 4 additions & 0 deletions modules/directives/src/main/scala/scala/build/preprocessing/directives/ScalaNative.scala
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Expand Up @@ -16,6 +16,8 @@ import scala.cli.commands.SpecificationLevel
|
|`//> using nativeLto` _value_
|
|`//> using nativeTargetTriple` _value_
|
|`//> using nativeVersion` _value_
|
|`//> using nativeCompile` _value1_ _value2_ …
Expand All @@ -38,6 +40,7 @@ final case class ScalaNative(
nativeGc: Option[String] = None,
nativeMode: Option[String] = None,
nativeLto: Option[String] = None,
nativeTargetTriple: Option[String] = None,
nativeVersion: Option[String] = None,
nativeCompile: List[String] = Nil,
nativeLinking: List[String] = Nil,
Expand All @@ -54,6 +57,7 @@ final case class ScalaNative(
gcStr = nativeGc,
modeStr = nativeMode,
ltoStr = nativeLto,
targetTripleStr = nativeTargetTriple,
version = nativeVersion,
compileOptions = nativeCompile,
linkingOptions = nativeLinking,
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10 changes: 9 additions & 1 deletion modules/options/src/main/scala/scala/build/options/ScalaNativeOptions.scala
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Expand Up @@ -32,6 +32,7 @@ final case class ScalaNativeOptions(
modeStr: Option[String] = None,
ltoStr: Option[String] = None,
gcStr: Option[String] = None,
targetTripleStr: Option[String] = None,
clang: Option[String] = None,
clangpp: Option[String] = None,
linkingOptions: List[String] = Nil,
Expand Down Expand Up @@ -78,6 +79,12 @@ final case class ScalaNativeOptions(
private def gcCliOption(): List[String] =
List("--gc", gc().name)

private def targetTripleCliOption(): List[String] =
if (!targetTripleStr.isEmpty)
List("--target-triple", targetTripleStr.get)
else
Nil

private def mode(): sn.Mode =
modeStr.map(_.trim).filter(_.nonEmpty) match {
case Some("default") | None => sn.Discover.mode()
Expand Down Expand Up @@ -155,7 +162,7 @@ final case class ScalaNativeOptions(
BloopConfig.LinkerMode.Release
else BloopConfig.LinkerMode.Debug,
gc = gc().name,
targetTriple = None,
targetTriple = targetTripleStr,
clang = clangPath(),
clangpp = clangppPath(),
toolchain = Nil,
Expand All @@ -173,6 +180,7 @@ final case class ScalaNativeOptions(
gcCliOption() ++
modeCliOption() ++
ltoOptions() ++
targetTripleCliOption() ++
clangCliOption() ++
clangppCliOption() ++
linkingCliOptions() ++
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4 changes: 4 additions & 0 deletions website/docs/reference/cli-options.md
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Expand Up @@ -1434,6 +1434,10 @@ Link-time optimisation mode (none by default): none, full, thin

Set the Scala Native garbage collector (immix by default): immix, commix, boehm, none

### `--native-target-triple`

Set a target triple to which Scala Native can cross-compile

### `--native-clang`

Path to the Clang command
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2 changes: 2 additions & 0 deletions website/docs/reference/directives.md
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Expand Up @@ -343,6 +343,8 @@ Add Scala Native options

`//> using nativeLto` _value_

`//> using nativeTargetTriple` _value_

`//> using nativeVersion` _value_

`//> using nativeCompile` _value1_ _value2_ …
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6 changes: 6 additions & 0 deletions website/docs/reference/scala-command/cli-options.md
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Expand Up @@ -874,6 +874,12 @@ Link-time optimisation mode (none by default): none, full, thin

Set the Scala Native garbage collector (immix by default): immix, commix, boehm, none

### `--native-target-triple`

`SHOULD have` per Scala Runner specification

Set a target triple to which Scala Native can cross-compile

### `--native-clang`

`IMPLEMENTATION specific` per Scala Runner specification
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2 changes: 2 additions & 0 deletions website/docs/reference/scala-command/directives.md
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Expand Up @@ -233,6 +233,8 @@ Add Scala Native options

`//> using nativeLto` _value_

`//> using nativeTargetTriple` _value_

`//> using nativeVersion` _value_

`//> using nativeCompile` _value1_ _value2_ …
Expand Down