From 9c8e4cdc761658f8a9de73c93b40f677178edcb1 Mon Sep 17 00:00:00 2001
From: JackBoosY <47264268+JackBoosY@users.noreply.github.com>
Date: Wed, 30 Oct 2019 14:06:59 +0800
Subject: [llvm]Add features. (#8771)

* [llvm]Add features.

* [llvm]Add ${FEATURE_OPTIONS}, set feature util to default feature.
---
 ports/llvm/CONTROL        | 13 +++++++++++++
 ports/llvm/portfile.cmake | 13 ++++++++-----
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/ports/llvm/CONTROL b/ports/llvm/CONTROL
index b48d97660..e1569bdee 100644
--- a/ports/llvm/CONTROL
+++ b/ports/llvm/CONTROL
@@ -3,3 +3,16 @@ Version: 8.0.0-3
 Homepage: https://llvm.org/
 Description: The LLVM Compiler Infrastructure
 Build-Depends: atlmfc (windows)
+Default-Features: tools, utils
+
+Feature: tools
+Description: Generate build targets for the LLVM tools.
+
+Feature: utils
+Description: Generate build targets for the LLVM utils.
+
+Feature: example
+Description: Generate build targets for the LLVM examples
+
+Feature: test
+Description: Generate build targets for the LLVM unit tests.
\ No newline at end of file
diff --git a/ports/llvm/portfile.cmake b/ports/llvm/portfile.cmake
index 1315f06ac..61f45654c 100644
--- a/ports/llvm/portfile.cmake
+++ b/ports/llvm/portfile.cmake
@@ -44,15 +44,18 @@ vcpkg_find_acquire_program(PYTHON3)
 get_filename_component(PYTHON3_DIR "${PYTHON3}" DIRECTORY)
 set(ENV{PATH} "$ENV{PATH};${PYTHON3_DIR}")
 
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    tools LLVM_INCLUDE_TOOLS
+    utils LLVM_INCLUDE_UTILS
+    example LLVM_INCLUDE_EXAMPLES
+    test LLVM_INCLUDE_TESTS
+)
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     PREFER_NINJA
-    OPTIONS
+    OPTIONS ${FEATURE_OPTIONS}
         -DLLVM_TARGETS_TO_BUILD=X86
-        -DLLVM_INCLUDE_TOOLS=ON
-        -DLLVM_INCLUDE_UTILS=OFF
-        -DLLVM_INCLUDE_EXAMPLES=OFF
-        -DLLVM_INCLUDE_TESTS=OFF
         -DLLVM_ABI_BREAKING_CHECKS=FORCE_OFF
         -DLLVM_TOOLS_INSTALL_DIR=tools/llvm
         -DLLVM_PARALLEL_LINK_JOBS=1
-- 
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