mk: build with _GNU_SOURCE defined by default

[dpdk.git] / examples / meson.build

diff --git a/examples/meson.build b/examples/meson.build
index 4ee7a11..af81c76 100644 (file)
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -22,6 +22,10 @@ default_cflags = machine_args
 if cc.has_argument('-Wno-format-truncation')
        default_cflags += '-Wno-format-truncation'
 endif
+
+# specify -D_GNU_SOURCE unconditionally
+default_cflags += '-D_GNU_SOURCE'
+
 foreach example: examples
        name = example
        build = true