mk: build with _GNU_SOURCE defined by default

[dpdk.git] / app / meson.build

diff --git a/app/meson.build b/app/meson.build
index 99e0b93..e68d949 100644 (file)
--- a/app/meson.build
+++ b/app/meson.build
@@ -11,13 +11,18 @@ apps = ['pdump',
 # for BSD only
 lib_execinfo = cc.find_library('execinfo', required: false)
 
+default_cflags = machine_args
+
+# specify -D_GNU_SOURCE unconditionally
+default_cflags += '-D_GNU_SOURCE'
+
 foreach app:apps
        build = true
        name = app
        allow_experimental_apis = false
        sources = []
        includes = []
-       cflags = machine_args
+       cflags = default_cflags
        objs = [] # other object files to link against, used e.g. for
                  # instruction-set optimized versions of code