mk: build with _GNU_SOURCE defined by default

[dpdk.git] / lib / meson.build

diff --git a/lib/meson.build b/lib/meson.build
index eb91f10..24351cc 100644 (file)
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -30,6 +30,12 @@ default_cflags = machine_args
 if cc.has_argument('-Wno-format-truncation')
        default_cflags += '-Wno-format-truncation'
 endif
+
+enabled_libs = [] # used to print summary at the end
+
+# -D_GNU_SOURCE unconditionally
+default_cflags += '-D_GNU_SOURCE'
+
 foreach l:libraries
        build = true
        name = l
@@ -45,18 +51,17 @@ foreach l:libraries
        # use "deps" for internal DPDK dependencies, and "ext_deps" for
        # external package/library requirements
        ext_deps = []
-       deps = ['eal']   # eal is standard dependency except for itself
-       if l == 'kvargs'
-               deps = []
-       endif
-       if l == 'eal'
-               deps = ['kvargs']
+       deps = []
+       # eal is standard dependency once built
+       if dpdk_conf.has('RTE_LIBRTE_EAL')
+               deps += ['eal']
        endif
 
        dir_name = 'librte_' + l
        subdir(dir_name)
 
        if build
+               enabled_libs += name
                dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)
                install_headers(headers)