fix FreeBSD build

Author: michael-yuji

Sources/TSCBasic/Process/Process.swift

@@ -625,7 +625,7 @@ public final class Process {
         return stdinPipe.fileHandleForWriting
     #elseif (!canImport(Darwin) || os(macOS))
         // Initialize the spawn attributes.
-      #if canImport(Darwin) || os(Android) || os(OpenBSD)
+      #if canImport(Darwin) || os(Android) || os(OpenBSD) || os(FreeBSD)
         var attributes: posix_spawnattr_t? = nil
       #else
         var attributes = posix_spawnattr_t()
@@ -670,7 +670,7 @@ public final class Process {
         posix_spawnattr_setflags(&attributes, Int16(flags))
 
         // Setup the file actions.
-      #if canImport(Darwin) || os(Android) || os(OpenBSD)
+      #if canImport(Darwin) || os(Android) || os(OpenBSD) || os(FreeBSD)
         var fileActions: posix_spawn_file_actions_t? = nil
       #else
         var fileActions = posix_spawn_file_actions_t()
@@ -686,6 +686,8 @@ public final class Process {
             if #available(macOS 10.15, *) {
                 posix_spawn_file_actions_addchdir_np(&fileActions, workingDirectory)
             }
+          #elseif os(FreeBSD)
+                posix_spawn_file_actions_addchdir_np(&fileActions, workingDirectory)
           #elseif os(Linux)
             guard SPM_posix_spawn_file_actions_addchdir_np_supported() else {
                 throw Process.Error.workingDirectoryNotSupported

Sources/TSCUtility/CMakeLists.txt

@@ -50,7 +50,7 @@ target_link_libraries(TSCUtility PRIVATE
   Threads::Threads)
 
 if(NOT CMAKE_SYSTEM_NAME STREQUAL Darwin)
-  if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
+  if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD OR CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
     target_link_directories(TSCUtility PRIVATE /usr/local/lib)
   endif()
   if(Foundation_FOUND)

Sources/TSCUtility/FSWatch.swift

@@ -50,7 +50,7 @@ public class FSWatch {
         self.paths = paths
         self.latency = latency
 
-      #if os(OpenBSD)
+      #if os(OpenBSD) || os(FreeBSD)
         self._watcher = NoOpWatcher(paths: paths, latency: latency, delegate: _WatcherDelegate(block: block))
       #elseif os(Windows)
         self._watcher = RDCWatcher(paths: paths, latency: latency, delegate: _WatcherDelegate(block: block))
@@ -100,7 +100,7 @@ private protocol _FileWatcher {
     func stop()
 }
 
-#if os(OpenBSD) || (!os(macOS) && canImport(Darwin))
+#if os(OpenBSD) || os(FreeBSD) || (!os(macOS) && canImport(Darwin))
 extension FSWatch._WatcherDelegate: NoOpWatcherDelegate {}
 extension NoOpWatcher: _FileWatcher{}
 #elseif os(Windows)
@@ -118,7 +118,7 @@ extension FSEventStream: _FileWatcher{}
 
 // MARK:- inotify
 
-#if os(OpenBSD) || (!os(macOS) && canImport(Darwin))
+#if os(FreeBSD) || os(OpenBSD) || (!os(macOS) && canImport(Darwin))
 
 public protocol NoOpWatcherDelegate {
     func pathsDidReceiveEvent(_ paths: [AbsolutePath])

Sources/TSCUtility/InterruptHandler.swift

@@ -74,7 +74,7 @@ public final class InterruptHandler {
         }
       #else
         var action = sigaction()
-      #if canImport(Darwin) || os(OpenBSD)
+      #if canImport(Darwin) || os(OpenBSD) || os(FreeBSD)
         action.__sigaction_u.__sa_handler = self.signalHandler
       #elseif os(Android)
         action.sa_handler = self.signalHandler

Sources/TSCUtility/Triple.swift

@@ -72,6 +72,7 @@ public struct Triple: Encodable, Equatable, Sendable {
         case windows
         case wasi
         case openbsd
+        case freebsd
     }
 
     public enum ABI: Encodable, Equatable, RawRepresentable, Sendable {
@@ -182,6 +183,10 @@ public struct Triple: Encodable, Equatable, Sendable {
         return os == .openbsd
     }
 
+    public func isFreeBSD() -> Bool {
+        return os == .freebsd
+    }
+
     /// Returns the triple string for the given platform version.
     ///
     /// This is currently meant for Apple platforms only.
@@ -252,7 +257,7 @@ extension Triple {
         switch os {
         case .darwin, .macOS:
             return ".dylib"
-        case .linux, .openbsd:
+        case .linux, .openbsd, .freebsd:
             return ".so"
         case .windows:
             return ".dll"
@@ -265,7 +270,7 @@ extension Triple {
       switch os {
       case .darwin, .macOS:
         return ""
-      case .linux, .openbsd:
+      case .linux, .openbsd, .freebsd:
         return ""
       case .wasi:
         return ".wasm"