Add CcSysrootAliasRule

RELNOTES:none
PiperOrigin-RevId: 198364550

2 files changed, 59 insertions, 5 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/analysis/mock/MOCK_CROSSTOOL b/src/test/java/com/google/devtools/build/lib/analysis/mock/MOCK_CROSSTOOL
index eca8122d38..dc49dcb0de 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/mock/MOCK_CROSSTOOL
+++ b/src/test/java/com/google/devtools/build/lib/analysis/mock/MOCK_CROSSTOOL
@@ -36,7 +36,7 @@ default_toolchain {
 toolchain {
   abi_version: "local"
   abi_libc_version: "local"
-  builtin_sysroot: ""
+  builtin_sysroot: "/test/"
   compiler: "compiler"
   host_system_name: "local"
   needsPic: true
@@ -181,7 +181,7 @@ toolchain {
   needsPic: true
   supports_fission: true
 
-  builtin_sysroot: ""
+  builtin_sysroot: "/usr/grte/v1"
   cxx_flag: "-std=c++0x"
   linker_flag: "-lstdc++"
   cxx_builtin_include_directory: "/usr/lib/gcc/"
@@ -296,7 +296,7 @@ toolchain {
 
   needsPic: false
 
-  builtin_sysroot: ""
+  builtin_sysroot: "/usr/grte/v1"
   cxx_flag: "-std=c++0x"
   linker_flag: "-lstdc++"
   cxx_builtin_include_directory: "/usr/include"
@@ -447,7 +447,7 @@ toolchain {
   tool_path { name: "objdump" path: "C:/msys64/mingw64/bin/objdump" }
   tool_path { name: "strip" path: "C:/msys64/mingw64/bin/strip" }
 
-  builtin_sysroot: ""
+  builtin_sysroot: "/usr/grte/v1"
   cxx_flag: "-std=c++0x"
   cxx_builtin_include_directory: "C:/msys64/mingw64/x86_64-w64-mingw32/include"
   objcopy_embed_flag: "-I"
@@ -536,7 +536,7 @@ toolchain {
 toolchain {
    abi_version: "local"
    abi_libc_version: "local"
-   builtin_sysroot: ""
+   builtin_sysroot: "/usr/grte/v1"
    compiler: "windows_msys64"
    host_system_name: "local"
    needsPic: false
diff --git a/src/test/java/com/google/devtools/build/lib/rules/cpp/CcLibcTopAliasTest.java b/src/test/java/com/google/devtools/build/lib/rules/cpp/CcLibcTopAliasTest.java
new file mode 100644
index 0000000000..eeb6a9dddd
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/rules/cpp/CcLibcTopAliasTest.java
@@ -0,0 +1,54 @@
+// Copyright 2018 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.devtools.build.lib.rules.cpp;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.devtools.build.lib.analysis.ConfiguredTarget;
+import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for cc_libc_top_alias rule. */
+@RunWith(JUnit4.class)
+public class CcLibcTopAliasTest extends BuildViewTestCase {
+
+  @Test
+  public void testCcLibcTopAlias() throws Exception {
+    scratch.file("a/BUILD", "cc_libc_top_alias(name='current_cc_libc_top')");
+
+    ConfiguredTarget target = getConfiguredTarget("//a:current_cc_libc_top");
+
+    assertThat(target.getLabel().toString()).isEqualTo("//a:current_cc_libc_top");
+  }
+
+
+  @Test
+  public void testCcLibcTopAliasWithGrteTopArgument() throws Exception {
+    scratch.file("a/BUILD", "cc_libc_top_alias(name='current_cc_libc_top')");
+    scratch.file("b/BUILD",
+        "filegroup(",
+        "    name = 'everything',",
+        "    srcs = []",
+        ")");
+    //value of this property replaced to :everything in {@code LibcTopLabelConverter}
+    useConfiguration("--grte_top=//b:some_string");
+
+    ConfiguredTarget target = getConfiguredTarget("//a:current_cc_libc_top");
+
+    assertThat(target.getLabel().toString()).isEqualTo("//b:everything");
+  }
+}