From 9acbcee2c618c505d9e68243f0a89d8446b62c84 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Fri, 12 Dec 2014 22:52:58 +0000
Subject: [PATCH] Add option to turn off installation of headers.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224162 91177308-0d34-0410-b5e6-96231b3b80d8
---
 CMakeLists.txt         |  1 +
 include/CMakeLists.txt | 12 +++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3565169fd..58abdf8a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,6 +47,7 @@ option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++" OFF)
 option(LIBCXX_ENABLE_MONOTONIC_CLOCK
   "Build libc++ with support for a monotonic clock.
    This option may only be used when LIBCXX_ENABLE_THREADS=OFF." ON)
+option(LIBCXX_INSTALL_HEADERS "Install the libc++ headers." ON)
 option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support headers." ON)
 if (LIBCXX_BUILT_STANDALONE)
   set(LLVM_USE_SANITIZER "" CACHE STRING
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index df2cd343d..95206bfee 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -14,9 +14,11 @@ file(COPY .
   ${LIBCXX_HEADER_PATTERN}
   )
 
-install(DIRECTORY .
-  DESTINATION include/c++/v1
-  FILES_MATCHING
-  ${LIBCXX_HEADER_PATTERN}
-  PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
+if (LIBCXX_INSTALL_HEADERS)
+  install(DIRECTORY .
+    DESTINATION include/c++/v1
+    FILES_MATCHING
+    ${LIBCXX_HEADER_PATTERN}
+    PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
   )
+endif()