Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d

1 files changed, 29 insertions, 3 deletions

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index b862ceb..5204f6c 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -42,7 +42,6 @@ function(check_type_exists type files variable)
 endfunction()
 
 # include checks
-check_include_file_cxx(cxxabi.h HAVE_CXXABI_H)
 check_include_file(dirent.h HAVE_DIRENT_H)
 check_include_file(dlfcn.h HAVE_DLFCN_H)
 check_include_file(errno.h HAVE_ERRNO_H)
@@ -50,6 +49,7 @@ check_include_file(execinfo.h HAVE_EXECINFO_H)
 check_include_file(fcntl.h HAVE_FCNTL_H)
 check_include_file(inttypes.h HAVE_INTTYPES_H)
 check_include_file(limits.h HAVE_LIMITS_H)
+check_include_file(link.h HAVE_LINK_H)
 check_include_file(malloc.h HAVE_MALLOC_H)
 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
 check_include_file(ndir.h HAVE_NDIR_H)
@@ -80,6 +80,13 @@ check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT)
 check_include_file(mach/mach.h HAVE_MACH_MACH_H)
 check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
 
+# size_t must be defined before including cxxabi.h on FreeBSD 10.0.
+check_cxx_source_compiles("
+#include <stddef.h>
+#include <cxxabi.h>
+int main() { return 0; }
+" HAVE_CXXABI_H)
+
 # library checks
 if( NOT PURE_WINDOWS )
   check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
@@ -258,12 +265,12 @@ endif ()
 
 if( LLVM_ENABLE_FFI )
   find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR})
-  if( FFI_INCLUDE_PATH )
+  if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" )
     set(FFI_HEADER ffi.h CACHE INTERNAL "")
     set(HAVE_FFI_H 1 CACHE INTERNAL "")
   else()
     find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR})
-    if( FFI_INCLUDE_PATH )
+    if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" )
       set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "")
       set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "")
     endif()
@@ -490,3 +497,22 @@ if (LLVM_ENABLE_SPHINX)
 else()
   message(STATUS "Sphinx disabled.")
 endif()
+
+set(LLVM_BINDINGS "")
+if(WIN32)
+  message(STATUS "Go bindings disabled.")
+else()
+  find_program(GO_EXECUTABLE NAMES go DOC "go executable")
+  if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND")
+    message(STATUS "Go bindings disabled.")
+  else()
+    execute_process(COMMAND ${GO_EXECUTABLE} run ${CMAKE_SOURCE_DIR}/bindings/go/conftest.go
+                    RESULT_VARIABLE GO_CONFTEST)
+    if(GO_CONFTEST STREQUAL "0")
+      set(LLVM_BINDINGS "${LLVM_BINDINGS} go")
+      message(STATUS "Go bindings enabled.")
+    else()
+      message(STATUS "Go bindings disabled, need at least Go 1.2.")
+    endif()
+  endif()
+endif()