Author: ericwf
Date: Sat Jun 18 12:37:04 2016
New Revision: 273088
URL: http://llvm.org/viewvc/llvm-project?rev=273088&view=rev
Log:
Use utimes instead of utimensat when !defined(UTIME_OMIT). Fixes build for
older GLIBC versions
Modified:
libcxx/trunk/src/experimental/filesystem/operations.cpp
Modified: libcxx/trunk/src/experimental/filesystem/operations.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/src/experimental/filesystem/operations.cpp?rev=273088&r1=273087&r2=273088&view=diff
==============================================================================
--- libcxx/trunk/src/experimental/filesystem/operations.cpp (original)
+++ libcxx/trunk/src/experimental/filesystem/operations.cpp Sat Jun 18 12:37:04
2016
@@ -507,8 +507,10 @@ void __last_write_time(const path& p, fi
using namespace std::chrono;
std::error_code m_ec;
-#if defined(__APPLE__)
+ // We can use the presence of UTIME_OMIT to detect GLIBC versions that
+ // do not provide utimensat.
// FIXME: Use utimensat when it becomes available on OS X.
+#if defined(__APPLE__) || !defined(UTIME_OMIT)
// This implementation has a race condition between determining the
// last access time and attempting to set it to the same value using
// ::utimes
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