Build with RTTI and exceptions disabled. Only in GCC for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116682 91177308-0d34-0410-b5e6-96231b3b80d8

8 files changed, 34 insertions, 0 deletions

diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake
index b753735..a71c6f2 100644
--- a/cmake/modules/LLVMProcessSources.cmake
+++ b/cmake/modules/LLVMProcessSources.cmake
@@ -36,6 +36,19 @@ function(llvm_process_sources OUT_VAR)
     add_td_sources(sources)
     add_header_files(sources)
   endif()
+
+  # Set common compiler options:
+  if( NOT LLVM_REQUIRES_EH )
+    if( CMAKE_COMPILER_IS_GNUCXX )
+      add_definitions( -fno-exceptions )
+    endif()
+  endif()
+  if( NOT LLVM_REQUIRES_RTTI )
+    if( CMAKE_COMPILER_IS_GNUCXX )
+      add_definitions( -fno-rtti )
+    endif()
+  endif()
+
   set( ${OUT_VAR} ${sources} PARENT_SCOPE )
 endfunction(llvm_process_sources)
 
diff --git a/examples/ExceptionDemo/CMakeLists.txt b/examples/ExceptionDemo/CMakeLists.txt
index d661915..88c9ab7 100644
--- a/examples/ExceptionDemo/CMakeLists.txt
+++ b/examples/ExceptionDemo/CMakeLists.txt
@@ -1,4 +1,5 @@
 set(LLVM_LINK_COMPONENTS jit nativecodegen)
+set(LLVM_REQUIRES_EH 1)
 
 add_llvm_example(ExceptionDemo
   ExceptionDemo.cpp
diff --git a/examples/Kaleidoscope/Chapter7/CMakeLists.txt b/examples/Kaleidoscope/Chapter7/CMakeLists.txt
index 9b8227c..da38398 100644
--- a/examples/Kaleidoscope/Chapter7/CMakeLists.txt
+++ b/examples/Kaleidoscope/Chapter7/CMakeLists.txt
@@ -1,4 +1,5 @@
 set(LLVM_LINK_COMPONENTS core jit interpreter native)
+set(LLVM_REQUIRES_RTTI 1)
 
 add_llvm_example(Kaleidoscope-Ch7
   toy.cpp
diff --git a/lib/Support/CMakeLists.txt b/lib/Support/CMakeLists.txt
index f7e02c9..c9c862c 100644
--- a/lib/Support/CMakeLists.txt
+++ b/lib/Support/CMakeLists.txt
@@ -1,3 +1,6 @@
+## FIXME: This only requires RTTI because tblgen uses it.  Fix that.
+set(LLVM_REQUIRES_RTTI 1)
+
 add_llvm_library(LLVMSupport
   APFloat.cpp
   APInt.cpp
diff --git a/lib/System/CMakeLists.txt b/lib/System/CMakeLists.txt
index 5c15f8e..ac2830e 100644
--- a/lib/System/CMakeLists.txt
+++ b/lib/System/CMakeLists.txt
@@ -1,3 +1,8 @@
+set(LLVM_REQUIRES_RTTI 1)
+if( MINGW )
+  set(LLVM_REQUIRES_EH 1)
+endif()
+
 add_llvm_library(LLVMSystem
   Alarm.cpp
   Atomic.cpp
diff --git a/lib/VMCore/CMakeLists.txt b/lib/VMCore/CMakeLists.txt
index 1388c93..0ff260f 100644
--- a/lib/VMCore/CMakeLists.txt
+++ b/lib/VMCore/CMakeLists.txt
@@ -1,3 +1,5 @@
+set(LLVM_REQUIRES_RTTI 1)
+
 add_llvm_library(LLVMCore
   AsmWriter.cpp
   Attributes.cpp
diff --git a/utils/TableGen/CMakeLists.txt b/utils/TableGen/CMakeLists.txt
index c748614..5bafcec 100644
--- a/utils/TableGen/CMakeLists.txt
+++ b/utils/TableGen/CMakeLists.txt
@@ -1,3 +1,6 @@
+set(LLVM_REQUIRES_EH 1)
+set(LLVM_REQUIRES_RTTI 1)
+
 add_executable(tblgen
   ARMDecoderEmitter.cpp
   AsmMatcherEmitter.cpp
diff --git a/utils/unittest/CMakeLists.txt b/utils/unittest/CMakeLists.txt
index 4400b38..9d678ed 100644
--- a/utils/unittest/CMakeLists.txt
+++ b/utils/unittest/CMakeLists.txt
@@ -24,6 +24,12 @@ if(SUPPORTS_NO_VARIADIC_MACROS_FLAG)
   add_definitions("-Wno-variadic-macros")
 endif()
 
+set(LLVM_REQUIRES_RTTI 1)
+add_definitions( -DGTEST_HAS_RTTI=0 )
+# libstdc++'s TR1 <tuple> header depends on RTTI and uses C++'0x features not
+# supported by Clang, so force googletest to use its own tuple implementation.
+add_definitions( -DGTEST_USE_OWN_TR1_TUPLE )
+
 add_llvm_library(gtest
   googletest/gtest.cc
   googletest/gtest-death-test.cc