ch4/ipc: remove xpmem_stub.c

The xpmem functions are now always guarded by #ifdef
MPIDI_CH4_SHM_ENABLE_XPMEM.

src/mpid/ch4/shm/ipc/xpmem/Makefile.mk

@@ -6,15 +6,10 @@
 noinst_HEADERS += src/mpid/ch4/shm/ipc/xpmem/xpmem_pre.h       \
                   src/mpid/ch4/shm/ipc/xpmem/xpmem_post.h
 
-if BUILD_SHM_IPC_XPMEM
 noinst_HEADERS += src/mpid/ch4/shm/ipc/xpmem/xpmem_seg.h       \
                   src/mpid/ch4/shm/ipc/xpmem/xpmem_types.h
 
 mpi_core_sources += src/mpid/ch4/shm/ipc/xpmem/globals.c       \
                     src/mpid/ch4/shm/ipc/xpmem/xpmem_init.c    \
                     src/mpid/ch4/shm/ipc/xpmem/xpmem_mem.c     \
                     src/mpid/ch4/shm/ipc/xpmem/xpmem_seg.c
-
-else
-mpi_core_sources += src/mpid/ch4/shm/ipc/xpmem/xpmem_stub.c
-endif

src/mpid/ch4/shm/ipc/xpmem/subconfigure.m4

@@ -8,12 +8,10 @@ AC_DEFUN([PAC_SUBCFG_PREREQ_]PAC_SUBCFG_AUTO_SUFFIX,[
                   [test "x$shm" = "xauto"],[build_ch4_shm_ipc_xpmem=auto])
         done
     ])dnl end AM_COND_IF(BUILD_CH4,...)
-
-    AM_CONDITIONAL([BUILD_SHM_IPC_XPMEM],[test -n "$build_ch4_shm_ipc_xpmem"])
 ])dnl end _PREREQ
 
 AC_DEFUN([PAC_SUBCFG_BODY_]PAC_SUBCFG_AUTO_SUFFIX,[
-    AM_COND_IF([BUILD_SHM_IPC_XPMEM],[
+    if test -n "$build_ch4_shm_ipc_xpmem"; then
         AC_MSG_NOTICE([RUNNING CONFIGURE FOR ch4:shm:xpmem])
         PAC_CHECK_HEADER_LIB_OPTIONAL([xpmem],[xpmem.h],[xpmem],[xpmem_make])
         if test "$pac_have_xpmem" = "yes" ; then
@@ -25,8 +23,7 @@ AC_DEFUN([PAC_SUBCFG_BODY_]PAC_SUBCFG_AUTO_SUFFIX,[
         elif test "$build_ch4_shm_ipc_xpmem" = "yes" ; then
             AC_MSG_ERROR(['xpmem.h or libxpmem library not found.'])
         fi
-        AM_CONDITIONAL([BUILD_SHM_IPC_XPMEM],[test "$pac_have_xpmem" = "yes"])
-    ])dnl end AM_COND_IF(BUILD_SHM_IPC_XPMEM,...)
+    fi
 ])dnl end _BODY
 
 [#] end of __file__