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changeset 12497:e2d59f164e76

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Avoid future namespace pollution on glibc systems.
author Bruno Haible <bruno@clisp.org>
date Thu, 24 Dec 2009 21:46:04 +0100
parents a48d3d749ca5
children 7aad334c08d7
files ChangeLog lib/arpa_inet.in.h lib/sys_ioctl.in.h lib/sys_select.in.h
diffstat 4 files changed, 28 insertions(+), 8 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2009-12-24  Bruno Haible  <bruno@clisp.org>
+
+	Avoid future namespace pollution on glibc systems.
+	* lib/arpa_inet.in.h: Don't include <sys/socket.h> on glibc systems.
+	* lib/sys_ioctl.in.h: Don't include <unistd.h> on glibc systems.
+	* lib/sys_select.in.h: Don't include <sys/time.h> and <string.h> on
+	glibc systems.
+
 2009-12-24  Bruno Haible  <bruno@clisp.org>
 
 	Refactor common macros used in tests.
--- a/lib/arpa_inet.in.h
+++ b/lib/arpa_inet.in.h
@@ -19,8 +19,11 @@
 #ifndef _GL_ARPA_INET_H
 
 /* Gnulib's sys/socket.h is responsible for pulling in winsock2.h etc
-   under MinGW. */
-#include <sys/socket.h>
+   under MinGW.
+   But avoid namespace pollution on glibc systems.  */
+#ifndef __GLIBC__
+# include <sys/socket.h>
+#endif
 
 #if @HAVE_ARPA_INET_H@
 
--- a/lib/sys_ioctl.in.h
+++ b/lib/sys_ioctl.in.h
@@ -30,8 +30,11 @@
 #define _GL_SYS_IOCTL_H
 
 /* AIX 5.1 and Solaris 10 declare ioctl() in <unistd.h> and in <stropts.h>,
-   but not in <sys/ioctl.h>.  */
-#include <unistd.h>
+   but not in <sys/ioctl.h>.
+   But avoid namespace pollution on glibc systems.  */
+#ifndef __GLIBC__
+# include <unistd.h>
+#endif
 
 /* The definition of GL_LINK_WARNING is copied here.  */
 
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -42,12 +42,18 @@
 # include <sys/types.h>
 
 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
-   of 'struct timeval', and no definition of this type.  */
-# include <sys/time.h>
+   of 'struct timeval', and no definition of this type.
+   But avoid namespace pollution on glibc systems.  */
+# ifndef __GLIBC__
+#  include <sys/time.h>
+# endif
 
 /* On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
-   that relies on memset(), but without including <string.h>.  */
-# include <string.h>
+   that relies on memset(), but without including <string.h>.
+   But avoid namespace pollution on glibc systems.  */
+# ifndef __GLIBC__
+#  include <string.h>
+# endif
 
 /* The include_next requires a split double-inclusion guard.  */
 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@