[llvm-branch-commits] [libunwind] 5f46db7 - Add CMake option for configuring libunwind bare-metal build

[Konstantin Schwarz via llvm-branch-commits]

Author: Konstantin Schwarz
Date: 2019-01-17T12:37:40+01:00
New Revision: 5f46db7c176433d7a81ed06e66dd5f3c4a4cae14

URL: https://github.com/llvm/llvm-project/commit/5f46db7c176433d7a81ed06e66dd5f3c4a4cae14
DIFF: https://github.com/llvm/llvm-project/commit/5f46db7c176433d7a81ed06e66dd5f3c4a4cae14.diff

LOG: Add CMake option for configuring libunwind bare-metal build

Added: 
    

Modified: 
    libunwind/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt
index e460a72d45c07..a49e482807e7d 100644
--- a/libunwind/CMakeLists.txt
+++ b/libunwind/CMakeLists.txt
@@ -134,6 +134,7 @@ option(LIBUNWIND_ENABLE_ARM_WMMX "Enable unwinding support for ARM WMMX register
 option(LIBUNWIND_ENABLE_THREADS "Build libunwind with threading support." ON)
 option(LIBUNWIND_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF)
 option(LIBUNWIND_INCLUDE_DOCS "Build the libunwind documentation." ${LLVM_INCLUDE_DOCS})
+option(LIBUNWIND_BAREMETAL "Build libunwind for baremetal targets." OFF)
 
 set(LIBUNWIND_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
     "Define suffix of library directory name (32/64)")
@@ -332,6 +333,10 @@ if (WIN32 AND LIBUNWIND_ENABLE_STATIC AND NOT LIBUNWIND_ENABLE_SHARED)
   add_definitions(-D_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS)
 endif()
 
+if (LIBUNWIND_BAREMETAL)
+  list(APPEND LIBUNWIND_COMPILE_FLAGS -D_LIBUNWIND_IS_BAREMETAL)
+endif()
+
 #===============================================================================
 # Setup Source Code
 #===============================================================================