build-sys: use AC_USE_SYSTEM_EXTENSIONS

The earlier _GNU_SOURCE definitions possibly did not take effect
everywhere where it was intended.

7 files changed, 0 insertions, 33 deletions

diff --git a/src/FbTk/Font.cc b/src/FbTk/Font.cc
index 5987134..46a6b46 100644
--- a/src/FbTk/Font.cc
+++ b/src/FbTk/Font.cc
@@ -39,10 +39,6 @@
 #include "XFontImp.hh"
 
 #include "GContext.hh"
-//use gnu extensions
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif //_GNU_SOURCE
 
 #ifndef __USE_GNU
 #define __USE_GNU
diff --git a/src/FbTk/I18n.cc b/src/FbTk/I18n.cc
index 3daa2e9..a7ed338 100644
--- a/src/FbTk/I18n.cc
+++ b/src/FbTk/I18n.cc
@@ -30,11 +30,6 @@
  * http://www.kulichki.com/moshkow/CYRILLIC/locale-tutorial-0_8.txt
  */
 
-//use GNU extensions
-#ifndef  _GNU_SOURCE
-#define  _GNU_SOURCE
-#endif // _GNU_SOURCE
-
 #include "I18n.hh"
 #include "FileUtil.hh"
 
diff --git a/src/FbTk/ImageControl.cc b/src/FbTk/ImageControl.cc
index 8b5f23d..0693150 100644
--- a/src/FbTk/ImageControl.cc
+++ b/src/FbTk/ImageControl.cc
@@ -30,11 +30,6 @@
 #include "SimpleCommand.hh"
 #include "I18n.hh"
 
-//use GNU extensions
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif // _GNU_SOURCE
-
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif // HAVE_SYS_TYPES_H
diff --git a/src/FbTk/Menu.cc b/src/FbTk/Menu.cc
index 3e3481f..cb58685 100644
--- a/src/FbTk/Menu.cc
+++ b/src/FbTk/Menu.cc
@@ -22,11 +22,6 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-//use GNU extensions
-#ifndef  _GNU_SOURCE
-#define  _GNU_SOURCE
-#endif // _GNU_SOURCE
-
 #include "Menu.hh"
 
 #include "MenuItem.hh"
diff --git a/src/FbTk/RegExp.cc b/src/FbTk/RegExp.cc
index 3467971..b358eeb 100644
--- a/src/FbTk/RegExp.cc
+++ b/src/FbTk/RegExp.cc
@@ -22,11 +22,6 @@
 
 #include "RegExp.hh"
 
-//use GNU extensions
-#ifndef  _GNU_SOURCE
-#define  _GNU_SOURCE
-#endif // _GNU_SOURCE
-
 #include <iostream>
 
 using std::string;
diff --git a/src/FbTk/Timer.cc b/src/FbTk/Timer.cc
index 7f7977e..1806557 100644
--- a/src/FbTk/Timer.cc
+++ b/src/FbTk/Timer.cc
@@ -27,11 +27,6 @@
 #include "CommandParser.hh"
 #include "StringUtil.hh"
 
-//use GNU extensions
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif // _GNU_SOURCE
-
 #ifdef HAVE_CASSERT
   #include <cassert>
 #else
diff --git a/src/FbTk/XmbFontImp.cc b/src/FbTk/XmbFontImp.cc
index 6370d86..e73670c 100644
--- a/src/FbTk/XmbFontImp.cc
+++ b/src/FbTk/XmbFontImp.cc
@@ -31,10 +31,6 @@
 #include <locale.h>
 #endif // HAVE_SETLOCALE
 
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif // _GNU_SOURCE
-
 #ifdef HAVE_CSTDIO
   #include <cstdio>
 #else