CMake: Let LLVM_BUILD_32_BITS aware of large file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317402 91177308-0d34-0410-b5e6-96231b3b80d8
multun · Nov 4, 2017 · 5473af6 · 5473af6
1 parent ac439ba
commit 5473af6
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
@@ -232,6 +232,10 @@ if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32")
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m32")
     set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -m32")
+
+    # FIXME: CMAKE_SIZEOF_VOID_P is still 8
+    add_definitions(-D_LARGEFILE_SOURCE)
+    add_definitions(-D_FILE_OFFSET_BITS=64)
   endif( LLVM_BUILD_32_BITS )
 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
 
@@ -242,6 +246,7 @@ if (ANDROID AND (ANDROID_NATIVE_API_LEVEL LESS 24))
   set(LLVM_FORCE_SMALLFILE_FOR_ANDROID TRUE)
 endif()
 if( CMAKE_SIZEOF_VOID_P EQUAL 4 AND NOT LLVM_FORCE_SMALLFILE_FOR_ANDROID)
+  # FIXME: It isn't handled in LLVM_BUILD_32_BITS.
   add_definitions( -D_LARGEFILE_SOURCE )
   add_definitions( -D_FILE_OFFSET_BITS=64 )
 endif()