newt/compiler: Pass autogenerated linker script's include dir to linker

This tells the linker where to look for includes related with
autogenerated linker scripts.

newt/builder/build.go

@@ -150,6 +150,10 @@ func (b *Builder) addPackage(rpkg *resolve.ResolvePackage) (
  return bpkg, nil
 }
 
+func (b *Builder) GetAutogeneratedLinkerIncludeDir() (string, error) {
+ return b.targetBuilder.BspPkg().GetAutogeneratedLinkerIncludePath()
+}
+
 func pkgTypeConflictErr(p1 *BuildPackage, p2 *BuildPackage) error {
  return util.FmtNewtError("Two %s packages in build: %s, %s",
  pkg.PackageTypeNames[p1.rpkg.Lpkg.Type()],
@@ -470,6 +474,11 @@ func (b *Builder) link(elfName string, linkerScripts []string,
  }
 
  c.LinkerScripts = linkerScripts
+ c.AutogeneratedLinkerIncludeDir, err = b.GetAutogeneratedLinkerIncludeDir()
+ if err != nil {
+ return err
+ }
+
  err = c.CompileElf(elfName, trimmedANames, keepSymbols, b.linkElf)
  if err != nil {
  return err

newt/pkg/bsp_package.go

@@ -92,6 +92,16 @@ func (bsp *BspPackage) getAutogeneratedLinkerScriptPath() (string, error) {
  return path, nil
 }
 
+func (bsp *BspPackage) GetAutogeneratedLinkerIncludePath() (string, error) {
+ defaultLinkerScriptPath := "bin/" + bsp.yov.Pkg.Name() + "/generated/link/include"
+ proj := interfaces.GetProject()
+ path, err := proj.ResolvePath(proj.Path(), defaultLinkerScriptPath)
+ if err != nil {
+ return "", err
+ }
+ return path, nil
+}
+
 // Interprets a setting as either a single linker script or a list of linker
 // scripts.
 func (bsp *BspPackage) resolveLinkerScriptSetting(

newt/toolchain/compiler.go

@@ -70,8 +70,9 @@ type CompileCommand struct {
 }
 
 type Compiler struct {
- objPathList map[string]bool
- LinkerScripts []string
+ objPathList map[string]bool
+ LinkerScripts []string
+ AutogeneratedLinkerIncludeDir string
 
  // Needs to be locked whenever a mutable field in this struct is accessed
  // during a build. Currently, objPathList is the only such member.
@@ -1040,6 +1041,9 @@ func (c *Compiler) CompileBinaryCmd(dstFile string, options map[string]bool,
  cmd = append(cmd, "-T")
  cmd = append(cmd, ls)
  }
+ cmd = append(cmd, "-L")
+ cmd = append(cmd, c.AutogeneratedLinkerIncludeDir)
+
  if options["mapFile"] {
  cmd = append(cmd, "-Wl,-Map="+dstFile+".map")
  }