mk: build with _GNU_SOURCE defined by default

[dpdk.git] / drivers / meson.build

diff --git a/drivers/meson.build b/drivers/meson.build
index 47b4215a3064fbf68f47c3fba169910b24e37284..567f4a19c2630ce965b21ef8d4e4245613fe110b 100644 (file)
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -16,6 +16,10 @@ 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 class:driver_classes
        drivers = []
        std_deps = []