From 9fce7603ffd4f63b5b7e819e6699a603acda965c Mon Sep 17 00:00:00 2001
From: Cal Peyser <cpeyser@google.com>
Date: Tue, 26 Jul 2016 18:39:13 +0000
Subject: Linker outputs can optionally be configured from the CROSSTOOL. 
 Introduces infrastructure to allow other artifact categories (such as debug
 symbols or compiler outputs) to be defined in other changes.

--
MOS_MIGRATED_REVID=128495797
---
 .../google/devtools/build/lib/rules/cpp/Link.java  | 37 +++++++++++++++++-----
 1 file changed, 29 insertions(+), 8 deletions(-)

(limited to 'src/main/java/com/google/devtools/build/lib/rules/cpp/Link.java')

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/Link.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/Link.java
index 38ab7e8ccf..8826b0acb7 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/Link.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/Link.java
@@ -94,34 +94,50 @@ public abstract class Link {
    */
   public enum LinkTargetType {
     /** A normal static archive. */
-    STATIC_LIBRARY(".a", true, "c++-link-static-library"),
+    STATIC_LIBRARY(".a", true, "c++-link-static-library", ArtifactCategory.STATIC_LIBRARY),
 
     /** A static archive with .pic.o object files (compiled with -fPIC). */
-    PIC_STATIC_LIBRARY(".pic.a", true, "c++-link-pic-static-library"),
+    PIC_STATIC_LIBRARY(
+        ".pic.a", true, "c++-link-pic-static-library", ArtifactCategory.PIC_STATIC_LIBRARY),
 
     /** An interface dynamic library. */
-    INTERFACE_DYNAMIC_LIBRARY(".ifso", false, "c++-link-interface-dynamic-library"),
+    INTERFACE_DYNAMIC_LIBRARY(
+        ".ifso", false, "c++-link-interface-dynamic-library", ArtifactCategory.INTERFACE),
 
     /** A dynamic library. */
-    DYNAMIC_LIBRARY(".so", false, "c++-link-dynamic-library"),
+    DYNAMIC_LIBRARY(".so", false, "c++-link-dynamic-library", ArtifactCategory.DYNAMIC_LIBRARY),
 
     /** A static archive without removal of unused object files. */
-    ALWAYS_LINK_STATIC_LIBRARY(".lo", true, "c++-link-alwayslink-static-library"),
+    ALWAYS_LINK_STATIC_LIBRARY(
+        ".lo",
+        true,
+        "c++-link-alwayslink-static-library",
+        ArtifactCategory.ALWAYS_LINK_STATIC_LIBRARY),
 
     /** A PIC static archive without removal of unused object files. */
-    ALWAYS_LINK_PIC_STATIC_LIBRARY(".pic.lo", true, "c++-link-alwayslink-pic-static-library"),
+    ALWAYS_LINK_PIC_STATIC_LIBRARY(
+        ".pic.lo",
+        true,
+        "c++-link-alwayslink-pic-static-library",
+        ArtifactCategory.ALWAYS_LINK_PIC_STATIC_LIBRARY),
 
     /** An executable binary. */
-    EXECUTABLE("", false, "c++-link-executable");
+    EXECUTABLE("", false, "c++-link-executable", ArtifactCategory.EXECUTABLE);
 
     private final String extension;
     private final boolean staticLibraryLink;
     private final String actionName;
+    private final ArtifactCategory linkerOutput;
 
-    private LinkTargetType(String extension, boolean staticLibraryLink, String actionName) {
+    private LinkTargetType(
+        String extension,
+        boolean staticLibraryLink,
+        String actionName,
+        ArtifactCategory linkerOutput) {
       this.extension = extension;
       this.staticLibraryLink = staticLibraryLink;
       this.actionName = actionName;
+      this.linkerOutput = linkerOutput;
     }
 
     public String getExtension() {
@@ -132,6 +148,11 @@ public abstract class Link {
       return staticLibraryLink;
     }
     
+    /** Returns an {@code ArtifactCategory} identifying the artifact type this link action emits. */
+    public ArtifactCategory getLinkerOutput() {
+      return linkerOutput;
+    }
+    
     /**
      * The name of a link action with this LinkTargetType, for the purpose of crosstool feature
      * selection.
-- 
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