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-rw-r--r--util/env_posix.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/env_posix.cc b/util/env_posix.cc
index 18626b327c..fac41be6ce 100644
--- a/util/env_posix.cc
+++ b/util/env_posix.cc
@@ -49,7 +49,7 @@ constexpr const int kDefaultMmapLimit = (sizeof(void*) >= 8) ? 4096 : 0;
int g_mmap_limit = kDefaultMmapLimit;
// Common flags defined for all posix open operations
-#if defined(HAVE_O_CLOEXEC)
+#if HAVE_O_CLOEXEC
constexpr const int kOpenBaseFlags = O_CLOEXEC;
#else
constexpr const int kOpenBaseFlags = 0;