From: Ralf Habacker <ralf.habacker@freenet.de>
Date: Tue, 16 Oct 2018 20:47:18 +0000 (+0200)
Subject: Move _GNU_SOURCE to config.h.cmake
X-Git-Tag: dbus-1.13.20~32^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b41f053c59c942f8c6dfa6eafc415a63d30edf1;p=thirdparty%2Fdbus.git

Move _GNU_SOURCE to config.h.cmake
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 44b437c16..da0ccf88d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,7 +197,7 @@ if(GLIB2_FOUND)
 endif()
 
 # analogous to AC_USE_SYSTEM_EXTENSIONS in configure.ac
-add_definitions(-D_GNU_SOURCE)
+set(_GNU_SOURCE 1)
 
 # do config checks
 include(ConfigureChecks)
diff --git a/cmake/config.h.cmake b/cmake/config.h.cmake
index b6532b133..86b4acb02 100644
--- a/cmake/config.h.cmake
+++ b/cmake/config.h.cmake
@@ -243,6 +243,11 @@
 /* whether -export-dynamic was passed to libtool */
 #cmakedefine DBUS_BUILT_R_DYNAMIC 1
 
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+#cmakedefine _GNU_SOURCE 1
+#endif
+
 // structs
 /* Define to 1 if you have struct cmsgred */
 #cmakedefine    HAVE_CMSGCRED 1