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-rw-r--r--icepack/icepack.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/icepack/icepack.cc b/icepack/icepack.cc
index 4eb0305..b5db4c5 100644
--- a/icepack/icepack.cc
+++ b/icepack/icepack.cc
@@ -16,7 +16,10 @@
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
+#if !defined(_WIN32) && !defined(_GNU_SOURCE)
+// for vasprintf()
#define _GNU_SOURCE
+#endif
#include <set>
#include <tuple>