meson.build: define _GNU_SOURCE for getaddrinfo() and sigaction() with glibc

This appears to be necessary with older glibc versions (2.19 requires
it, 2.24 does not).

diff --git a/meson.build b/meson.build
index faaa2c6df78a336f73728e4d76aef82944782635..92d005748c1a57e8961e7c90156c7b2ffd102de7 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -145,6 +145,8 @@ conf.set('ENABLE_LIRC', enable_lirc)
 conf.set('ENABLE_COLORS', curses_color)
 
 common_cflags = [
+  # for getaddrinfo() and sigaction() with glibc
+  '-D_GNU_SOURCE',
 ]
 
 test_cflags = [