Add LinkerDirectory and LinkerReference item types.

Closes #51.

Author: alexrp

doc/configuration/items.md

@@ -13,9 +13,13 @@ are used by the Zig SDK:
 * `LibraryIncludeDirectory`: Header include directories passed to the compiler
   with the `-isystem` flag. Note that this applies to Zig as well, not just
   C/C++.
-* `LibraryReference`: Native libraries that should be linked to. These can be
-  either static or dynamic. For multi-platform projects, additions to this item
-  should be conditioned on the value of `RuntimeIdentifier` (or similar).
+* `LinkerDirectory`: Library search directories passed to the linker with the
+  `-L` flag.
+* `LinkerReference`: Names of native libraries that should be linked using the
+  `-l` flag. These can be either static or dynamic.
+* `LibraryReference`: Direct paths to native library files that should be
+  linked, ignoring library search directories. These can be either static or
+  dynamic.
 * `CHeader`: Prepopulated by the Zig SDK with all files in the project directory
   ending in `.h`.
 * `CSource`: Prepopulated by the Zig SDK with all files in the project directory

src/sdk/ZigCompile.cs

@@ -72,6 +72,12 @@ public string Configuration
     [Required]
     public ITaskItem[] LibraryReferences { get; set; } = null!;
 
+    [Required]
+    public ITaskItem[] LinkerDirectories { get; set; } = null!;
+
+    [Required]
+    public ITaskItem[] LinkerReferences { get; set; } = null!;
+
     [Required]
     public bool LinkTimeOptimization { get; set; }
 
@@ -545,15 +551,15 @@ void TryAppendWarningSwitch(string name)
         builder.AppendSwitchIfNotNull("-I ", GetWorkingDirectory() ?? ".");
         builder.AppendSwitchIfNotNull("-I ", PublicIncludeDirectory);
 
-        foreach (var include in LibraryIncludeDirectories)
-            builder.AppendSwitchIfNotNull("-isystem ", include);
+        foreach (var directory in LibraryIncludeDirectories)
+            builder.AppendSwitchIfNotNull("-isystem ", directory);
 
-        foreach (var include in IncludeDirectories)
-            builder.AppendSwitchIfNotNull("-I ", include);
+        foreach (var directory in IncludeDirectories)
+            builder.AppendSwitchIfNotNull("-I ", directory);
 
         if (!isZig)
-            foreach (var prelude in PreludeHeaders)
-                builder.AppendSwitchIfNotNull("-include ", prelude);
+            foreach (var header in PreludeHeaders)
+                builder.AppendSwitchIfNotNull("-include ", header);
 
         if (EagerBinding)
             builder.AppendSwitch(isZig ? "-z now" : "-Wl,-z,now");
@@ -568,6 +574,13 @@ void TryAppendWarningSwitch(string name)
 
         builder.AppendFileNamesIfNotNull(Sources, " ");
         builder.AppendFileNamesIfNotNull(LibraryReferences, " ");
+
+        foreach (var directory in LinkerDirectories)
+            builder.AppendSwitchIfNotNull("-L ", directory);
+
+        foreach (var library in LinkerReferences)
+            builder.AppendSwitchIfNotNull("-l ", library);
+
         builder.AppendSwitchIfNotNull(isZig ? "-femit-bin=" : "-o ", OutputBinary);
 
         if (!isZig)

src/sdk/build/Vezel.Zig.Sdk.Build.targets

@@ -59,6 +59,8 @@
                     LanguageStandard="$(LanguageStandard)"
                     LibraryIncludeDirectories="@(LibraryIncludeDirectory)"
                     LibraryReferences="@(LibraryReference)"
+                    LinkerDirectories="@(LinkerDirectory)"
+                    LinkerReferences="@(LinkerReference)"
                     LinkTimeOptimization="$(LinkTimeOptimization)"
                     MicrosoftExtensions="$(MicrosoftExtensions)"
                     NullabilityAnalysis="$(NullabilityAnalysis)"

src/sdk/build/Vezel.Zig.Sdk.Test.targets

@@ -35,6 +35,8 @@
                     LanguageStandard="$(LanguageStandard)"
                     LibraryIncludeDirectories="@(LibraryIncludeDirectory)"
                     LibraryReferences="@(LibraryReference)"
+                    LinkerDirectories="@(LinkerDirectory)"
+                    LinkerReferences="@(LinkerReference)"
                     LinkTimeOptimization="$(LinkTimeOptimization)"
                     MicrosoftExtensions="$(MicrosoftExtensions)"
                     NullabilityAnalysis="$(NullabilityAnalysis)"