From dc520816332d81d7729fb36933e9767d83c02b57 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Wed, 31 Jul 2019 20:43:42 -0700
Subject: [PATCH] Filter out cxxflags not supported by clang

---
 llvm/cmake/modules/AddLLVM.cmake       | 6 +++++-
 llvm/cmake/modules/CMakeLists.txt      | 3 +++
 llvm/cmake/modules/LLVMConfig.cmake.in | 2 ++
 llvm/tools/llvm-config/CMakeLists.txt  | 4 ++++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
index 619e986..5d38db9 100644
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -901,7 +901,11 @@ macro(add_llvm_tool name)
       set(export_to_llvmexports)
       if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
           NOT LLVM_DISTRIBUTION_COMPONENTS)
-        set(export_to_llvmexports EXPORT LLVMExports)
+        if (ARG_SHARED)
+          set(export_to_llvmexports EXPORT LLVMExports)
+        else()
+          set(export_to_llvmexports EXPORT LLVMStaticExports)
+        endif()
         set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True)
       endif()
 
diff --git a/llvm/cmake/modules/CMakeLists.txt b/llvm/cmake/modules/CMakeLists.txt
index 9cf22b4..dc982d2 100644
--- a/llvm/cmake/modules/CMakeLists.txt
+++ b/llvm/cmake/modules/CMakeLists.txt
@@ -105,6 +105,7 @@ set(LLVM_CONFIG_BINARY_DIR "\${LLVM_INSTALL_PREFIX}")
 set(LLVM_CONFIG_TOOLS_BINARY_DIR "\${LLVM_INSTALL_PREFIX}/bin")
 set(LLVM_CONFIG_EXPORTS_FILE "\${LLVM_CMAKE_DIR}/LLVMExports.cmake")
 set(LLVM_CONFIG_EXPORTS "${LLVM_EXPORTS}")
+set(LLVM_CONFIG_STATIC_EXPORTS_FILE "\${LLVM_CMAKE_DIR}/LLVMStaticExports.cmake")
 configure_file(
   LLVMConfig.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLVMConfig.cmake
@@ -121,6 +122,8 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
   if(llvm_has_exports)
     install(EXPORT LLVMExports DESTINATION ${LLVM_INSTALL_PACKAGE_DIR}
             COMPONENT cmake-exports)
+    install(EXPORT LLVMStaticExports DESTINATION ${LLVM_INSTALL_PACKAGE_DIR}
+            COMPONENT cmake-exports)
   endif()
 
   install(FILES
diff --git a/llvm/cmake/modules/LLVMConfig.cmake.in b/llvm/cmake/modules/LLVMConfig.cmake.in
index 536031f..6ef54a0 100644
--- a/llvm/cmake/modules/LLVMConfig.cmake.in
+++ b/llvm/cmake/modules/LLVMConfig.cmake.in
@@ -89,6 +89,8 @@ if(NOT TARGET LLVMSupport)
   set(LLVM_EXPORTED_TARGETS "@LLVM_CONFIG_EXPORTS@")
   include("@LLVM_CONFIG_EXPORTS_FILE@")
   @llvm_config_include_buildtree_only_exports@
+
+  include("@LLVM_CONFIG_STATIC_EXPORTS_FILE@" OPTIONAL)
 endif()
 
 # By creating intrinsics_gen here, subprojects that depend on LLVM's
diff --git a/llvm/tools/llvm-config/CMakeLists.txt b/llvm/tools/llvm-config/CMakeLists.txt
index 8e97a10..9b9b7d1 100644
--- a/llvm/tools/llvm-config/CMakeLists.txt
+++ b/llvm/tools/llvm-config/CMakeLists.txt
@@ -43,7 +43,11 @@ set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
 set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
 set(LLVM_CPPFLAGS "${LLVM_DEFINITIONS}")
 set(LLVM_CFLAGS "${LLVM_C_STD_FLAG} ${LLVM_DEFINITIONS}")
+STRING(REGEX REPLACE "-mcet" "" LLVM_CFLAGS ${LLVM_CFLAGS})
+STRING(REGEX REPLACE "-fcf-protection" "" LLVM_CFLAGS ${LLVM_CFLAGS})
 set(LLVM_CXXFLAGS "${LLVM_CXX_STD_FLAG} ${LLVM_CXX_STDLIB_FLAG} ${COMPILE_FLAGS} ${LLVM_DEFINITIONS}")
+STRING(REGEX REPLACE "-mcet" "" LLVM_CXXFLAGS ${LLVM_CXXFLAGS})
+STRING(REGEX REPLACE "-fcf-protection" "" LLVM_CXXFLAGS ${LLVM_CXXFLAGS})
 set(LLVM_BUILD_SYSTEM cmake)
 set(LLVM_HAS_RTTI ${LLVM_CONFIG_HAS_RTTI})
 set(LLVM_DYLIB_VERSION "${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}")
-- 
1.8.3.1