[PATCH] D53569: [MinGW] Enable large file for mingw-w64

[Peiyuan Song via Phabricator via llvm-commits]

SquallATF created this revision.
Herald added subscribers: llvm-commits, mgorny.

64-bit mingw not define _FILE_OFFSET_BITS=64 default.


Repository:
  rL LLVM

https://reviews.llvm.org/D53569

Files:
  cmake/modules/HandleLLVMOptions.cmake


Index: cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- cmake/modules/HandleLLVMOptions.cmake
+++ cmake/modules/HandleLLVMOptions.cmake
@@ -224,6 +224,10 @@
   append_if(SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG "-fvisibility-inlines-hidden" CMAKE_CXX_FLAGS)
 endif()
 
+if(CMAKE_SIZEOF_VOID_P EQUAL 8 AND MINGW)
+  add_definitions( -D_FILE_OFFSET_BITS=64 )
+endif()
+
 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
   # TODO: support other platforms and toolchains.
   if( LLVM_BUILD_32_BITS )


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