diff --git a/core/org.eclipse.cdt.core.linux/ChangeLog b/core/org.eclipse.cdt.core.linux/ChangeLog
index b9cef642acc..f4fe5ee30be 100644
--- a/core/org.eclipse.cdt.core.linux/ChangeLog
+++ b/core/org.eclipse.cdt.core.linux/ChangeLog
@@ -1,3 +1,7 @@
+2004-07-12  Tom Tromey  <tromey@redhat.com>
+
+	* library/Makefile (CFLAGS): Define _GNU_SOURCE.
+
 2004-03-25 David Inglis
 	
 	Added platform attribute to processlist extension
diff --git a/core/org.eclipse.cdt.core.linux/library/Makefile b/core/org.eclipse.cdt.core.linux/library/Makefile
index 8b5010ac532..a27ddf67987 100644
--- a/core/org.eclipse.cdt.core.linux/library/Makefile
+++ b/core/org.eclipse.cdt.core.linux/library/Makefile
@@ -13,7 +13,7 @@ JDK_OS_INCLUDES= $(JAVA_HOME)/include/$(OS)
 
 CC=gcc
 CPPFLAGS = -I. -I$(JDK_INCLUDES) -I$(JDK_OS_INCLUDES)
-CFLAGS +=-fpic -D_REENTRANT
+CFLAGS +=-fpic -D_REENTRANT -D_GNU_SOURCE
 
 INSTALL_DIR = ../os/$(OS)/$(ARCH)
 
diff --git a/core/org.eclipse.cdt.core.linux/os/linux/x86/libpty.so b/core/org.eclipse.cdt.core.linux/os/linux/x86/libpty.so
index b1477a6d7ef..388ec4d4769 100644
Binary files a/core/org.eclipse.cdt.core.linux/os/linux/x86/libpty.so and b/core/org.eclipse.cdt.core.linux/os/linux/x86/libpty.so differ
diff --git a/core/org.eclipse.cdt.core.linux/os/linux/x86/libspawner.so b/core/org.eclipse.cdt.core.linux/os/linux/x86/libspawner.so
index dc9c532785e..3755c35a560 100644
Binary files a/core/org.eclipse.cdt.core.linux/os/linux/x86/libspawner.so and b/core/org.eclipse.cdt.core.linux/os/linux/x86/libspawner.so differ