[rtems commit] Remove optional getrusage() declaration

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    79d145a7a22643c1e22d2795314272a6addc5733
Changeset: http://git.rtems.org/rtems/commit/?id=79d145a7a22643c1e22d2795314272a6addc5733

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Oct 18 14:36:44 2018 +0200

Remove optional getrusage() declaration

Declaration provided by Newlib since 2014.

Update #3409.

---

 cpukit/configure.ac                | 3 ---
 cpukit/libcsupport/src/getrusage.c | 4 ----
 2 files changed, 7 deletions(-)

diff --git a/cpukit/configure.ac b/cpukit/configure.ac
index 149eb0b..ae96f55 100644
--- a/cpukit/configure.ac
+++ b/cpukit/configure.ac
@@ -160,9 +160,6 @@ AC_MSG_RESULT([no])
 ])
 AC_LANG_POP(C)
 
-# Mandated by POSIX, not declared in some versions of newlib.
-AC_CHECK_DECLS([getrusage],,,[#include sys/resource.h])
-
 # Newlib's unix/ directory
 AC_CHECK_FUNCS([getcwd])
 # </FIXME>
diff --git a/cpukit/libcsupport/src/getrusage.c b/cpukit/libcsupport/src/getrusage.c
index 3947be9..56ddb74 100644
--- a/cpukit/libcsupport/src/getrusage.c
+++ b/cpukit/libcsupport/src/getrusage.c
@@ -17,10 +17,6 @@
 #include <rtems.h>
 #include <rtems/seterr.h>
 
-#if !HAVE_DECL_GETRUSAGE
-extern int getrusage(int who, struct rusage *usage);
-#endif
-
 int getrusage(int who, struct rusage *usage)
 {
   struct timespec uptime;