From 679ab85a7cf98247e0c82dae88b99c301a62c92f Mon Sep 17 00:00:00 2001
From: Chris Bieneman <beanz@apple.com>
Date: Mon, 14 Sep 2015 19:59:24 +0000
Subject: [PATCH] [CMake] Add options to control building sanitizers and
 builtins.

There are situations where a user may want to build only the compiler-rt builtins, or only the sanitizer runtimes. This exposes options to do that. Both default to On, so there should be no implicit change in behavior.

llvm-svn: 247607
---
 compiler-rt/CMakeLists.txt     |  5 +++
 compiler-rt/lib/CMakeLists.txt | 58 ++++++++++++++++++----------------
 2 files changed, 36 insertions(+), 27 deletions(-)

diff --git a/compiler-rt/CMakeLists.txt b/compiler-rt/CMakeLists.txt
index a805601eb126..6f0b8674631b 100644
--- a/compiler-rt/CMakeLists.txt
+++ b/compiler-rt/CMakeLists.txt
@@ -43,6 +43,11 @@ endif()
 # Top level target used to build all compiler-rt libraries.
 add_custom_target(compiler-rt ALL)
 
+option(COMPILER_RT_BUILD_BUILTINS "Build builtins" ON)
+mark_as_advanced(COMPILER_RT_BUILD_BUILTINS)
+option(COMPILER_RT_BUILD_SANITIZERS "Build sanitizers" ON)
+mark_as_advanced(COMPILER_RT_BUILD_SANITIZERS)
+
 if (NOT COMPILER_RT_STANDALONE_BUILD)
   # Compute the Clang version from the LLVM version.
   # FIXME: We should be able to reuse CLANG_VERSION variable calculated
diff --git a/compiler-rt/lib/CMakeLists.txt b/compiler-rt/lib/CMakeLists.txt
index df0d9f4839f3..fb5851aae876 100644
--- a/compiler-rt/lib/CMakeLists.txt
+++ b/compiler-rt/lib/CMakeLists.txt
@@ -4,40 +4,44 @@
 include(AddCompilerRT)
 include(SanitizerUtils)
 
-if(COMPILER_RT_HAS_INTERCEPTION)
-  add_subdirectory(interception)
+if(COMPILER_RT_BUILD_BUILTINS)
+  add_subdirectory(builtins)
 endif()
 
-if(COMPILER_RT_HAS_SANITIZER_COMMON)
-  add_subdirectory(sanitizer_common)
-  add_subdirectory(cfi)
-  add_subdirectory(lsan)
-  add_subdirectory(ubsan)
-endif()
+if(COMPILER_RT_BUILD_SANITIZERS)
+  if(COMPILER_RT_HAS_INTERCEPTION)
+    add_subdirectory(interception)
+  endif()
 
-if(COMPILER_RT_HAS_ASAN)
-  add_subdirectory(asan)
-endif()
+  if(COMPILER_RT_HAS_SANITIZER_COMMON)
+    add_subdirectory(sanitizer_common)
+    add_subdirectory(cfi)
+    add_subdirectory(lsan)
+    add_subdirectory(ubsan)
+  endif()
 
-add_subdirectory(builtins)
+  if(COMPILER_RT_HAS_ASAN)
+    add_subdirectory(asan)
+  endif()
 
-if(COMPILER_RT_HAS_DFSAN)
-  add_subdirectory(dfsan)
-endif()
+  if(COMPILER_RT_HAS_DFSAN)
+    add_subdirectory(dfsan)
+  endif()
 
-if(COMPILER_RT_HAS_MSAN)
-  add_subdirectory(msan)
-endif()
+  if(COMPILER_RT_HAS_MSAN)
+    add_subdirectory(msan)
+  endif()
 
-if(COMPILER_RT_HAS_PROFILE)
-  add_subdirectory(profile)
-endif()
+  if(COMPILER_RT_HAS_PROFILE)
+    add_subdirectory(profile)
+  endif()
 
-if(COMPILER_RT_HAS_TSAN)
-  add_subdirectory(tsan)
-  add_subdirectory(tsan/dd)
-endif()
+  if(COMPILER_RT_HAS_TSAN)
+    add_subdirectory(tsan)
+    add_subdirectory(tsan/dd)
+  endif()
 
-if(COMPILER_RT_HAS_SAFESTACK)
-  add_subdirectory(safestack)
+  if(COMPILER_RT_HAS_SAFESTACK)
+    add_subdirectory(safestack)
+  endif()
 endif()