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-rw-r--r--contrib/package/iwinfo/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/package/iwinfo/Makefile b/contrib/package/iwinfo/Makefile
index d473f754c8..cffa8f9be1 100644
--- a/contrib/package/iwinfo/Makefile
+++ b/contrib/package/iwinfo/Makefile
@@ -45,7 +45,8 @@ IWINFO_BACKENDS := \
TARGET_CFLAGS += \
-I$(STAGING_DIR)/usr/include/libnl-tiny \
- -I$(STAGING_DIR)/usr/include
+ -I$(STAGING_DIR)/usr/include \
+ -D_GNU_SOURCE
MAKE_FLAGS += \
FPIC="$(FPIC)" \