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-rw-r--r--libcody/resolver.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/libcody/resolver.cc b/libcody/resolver.cc
index 7e9defb..034fd63 100644
--- a/libcody/resolver.cc
+++ b/libcody/resolver.cc
@@ -10,7 +10,9 @@
#include <sys/stat.h>
#include <sys/types.h>
-#if (defined (__unix__) \
+#if ((defined (__unix__) \
+ && defined _POSIX_C_SOURCE \
+ && (_POSIX_C_SOURCE - 0) >= 200809L) \
|| (defined (__Apple__) \
&& defined (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) \
&& __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101000))