[OE-core][kirkstone 19/19] gcr: Define _GNU_SOURCE

[Steve Sakoman <steve@sakoman.com>]

From: Khem Raj <raj.khem@gmail.com>

This ensures that definitions of functions e.g. getpass() are correctly
sourced from system headers, since it depends on feature test macros

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 0d117e5d17c491e1d26aefb4b919410b07fd5347)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 meta/recipes-gnome/gcr/gcr_3.40.0.bb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/recipes-gnome/gcr/gcr_3.40.0.bb b/meta/recipes-gnome/gcr/gcr_3.40.0.bb
index 717c31c325..8719884f25 100644
--- a/meta/recipes-gnome/gcr/gcr_3.40.0.bb
+++ b/meta/recipes-gnome/gcr/gcr_3.40.0.bb
@@ -13,6 +13,8 @@ DEPENDS = "p11-kit glib-2.0 libgcrypt gnupg-native \
 
 CACHED_CONFIGUREVARS += "ac_cv_path_GPG='gpg2'"
 
+CFLAGS += "-D_GNU_SOURCE"
+
 GNOMEBASEBUILDCLASS = "meson"
 GTKDOC_MESON_OPTION = "gtk_doc"
 inherit gnomebase gtk-icon-cache gtk-doc features_check upstream-version-is-even vala gobject-introspection gettext mime mime-xdg
-- 
2.25.1