Support/FileSystem: Fix MinGW build. It doesn't have _chsize_s.

[oota-llvm.git] / cmake / config-ix.cmake

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 3fd0c456750850dc8a8669d10a07e446f916fa75..27f2964038ba4084264a2017b4cc08a71e4a9913 100755 (executable)
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -108,6 +108,9 @@ check_symbol_exists(strerror string.h HAVE_STRERROR)
 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
 check_symbol_exists(strerror_s string.h HAVE_STRERROR_S)
 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
+if ( LLVM_ON_WIN32 )
+  check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
+endif()
 
 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
 if( LLVM_USING_GLIBC )