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-rw-r--r--util/nvramtool/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/nvramtool/Makefile b/util/nvramtool/Makefile
index 6723a487bf..fe2efa0164 100644
--- a/util/nvramtool/Makefile
+++ b/util/nvramtool/Makefile
@@ -42,7 +42,7 @@ endif
ifeq ($(OS_ARCH), NetBSD)
LDFLAGS = -l$(shell uname -p)
endif
-ifeq ($(shell uname -o), Cygwin)
+ifeq ($(shell uname -o 2>/dev/null), Cygwin)
LDFLAGS = -lioperm
CFLAGS += -D__GLIBC__
endif