exit: Obsolete module, use stdlib instead.

[gnulib.git] / lib / fcntl.in.h

diff --git a/lib/fcntl.in.h b/lib/fcntl.in.h
index 92bb50d..a1d9e23 100644 (file)
--- a/lib/fcntl.in.h
+++ b/lib/fcntl.in.h
@@ -27,7 +27,6 @@
 #include <sys/types.h>
 #ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems.  */
 # include <sys/stat.h>
-# include <unistd.h>
 #endif
 #@INCLUDE_NEXT@ @NEXT_FCNTL_H@
 
@@ -39,7 +38,6 @@
 #include <sys/types.h>
 #ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems.  */
 # include <sys/stat.h>
-# include <unistd.h>
 #endif
 /* The include_next requires a split double-inclusion guard.  */
 #@INCLUDE_NEXT@ @NEXT_FCNTL_H@
@@ -47,11 +45,15 @@
 #ifndef _GL_FCNTL_H
 #define _GL_FCNTL_H
 
+#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems.  */
+# include <unistd.h>
+#endif
 
-/* The definition of GL_LINK_WARNING is copied here.  */
 
 /* The definition of _GL_ARG_NONNULL is copied here.  */
 
+/* The definition of _GL_WARN_ON_USE is copied here.  */
+
 
 /* Declare overridden functions.  */
 
@@ -69,10 +71,10 @@ extern int fcntl (int fd, int action, ...);
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef fcntl
-# define fcntl \
-    (GL_LINK_WARNING ("fcntl is not always POSIX compliant - " \
-                      "use gnulib module fcntl for portability"), \
-     fcntl)
+# if HAVE_RAW_DECL_FCNTL
+_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "
+                 "use gnulib module fcntl for portability");
+# endif
 #endif
 
 #if @GNULIB_OPEN@
@@ -83,10 +85,9 @@ extern int open (const char *filename, int flags, ...) _GL_ARG_NONNULL ((1));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef open
-# define open \
-    (GL_LINK_WARNING ("open is not always POSIX compliant - " \
-                      "use gnulib module open for portability"), \
-     open)
+/* Assume open is always declared.  */
+_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "
+                 "use gnulib module open for portability");
 #endif
 
 #if @GNULIB_OPENAT@
@@ -100,10 +101,10 @@ extern int openat (int fd, char const *file, int flags, /* mode_t mode */ ...)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef openat
-# define openat \
-    (GL_LINK_WARNING ("openat is not portable - " \
-                      "use gnulib module openat for portability"), \
-     openat)
+# if HAVE_RAW_DECL_OPENAT
+_GL_WARN_ON_USE (openat, "openat is not portable - "
+                 "use gnulib module openat for portability");
+# endif
 #endif
 
 #ifdef __cplusplus