Adding the ompi_check_libhcoll.m4 file

This commit was SVN r28695.

config/ompi_check_libhcoll.m4

@@ -0,0 +1,77 @@
+# -*- shell-script -*-
+#
+# Copyright (c) 2011 Mellanox Technologies. All rights reserved.
+
+# $COPYRIGHT$
+# 
+# Additional copyrights may follow
+# 
+# $HEADER$
+#
+
+# OMPI_CHECK_HCOLL(prefix, [action-if-found], [action-if-not-found])
+# --------------------------------------------------------
+# check if hcoll support can be found.  sets prefix_{CPPFLAGS, 
+# LDFLAGS, LIBS} as needed and runs action-if-found if there is
+# support, otherwise executes action-if-not-found
+AC_DEFUN([OMPI_CHECK_HCOLL],[
+    AC_ARG_WITH([hcoll],
+        [AC_HELP_STRING([--with-hcoll(=DIR)],
+             [Build hcoll (Mellanox Hierarchical Collectives) support, searching for libraries in DIR])])
+    OMPI_CHECK_WITHDIR([hcoll], [$with_hcoll], [lib/libhcoll.so])
+
+    AS_IF([test "$with_hcoll" != "no"],
+          [AS_IF([test ! -z "$with_hcoll" -a "$with_hcoll" != "yes"],
+			  [ompi_check_hcoll_dir=$with_hcoll
+			   ompi_check_hcoll_libdir="$ompi_check_hcoll_dir/lib"
+			   ompi_check_hcoll_incdir="$ompi_check_hcoll_dir/include"
+			   ompi_check_hcoll_libs=hcoll
+
+			   CPPFLAGS_save=$CPPFLAGS
+			   LDFLAGS_save=$LDFLAGS
+			   LIBS_save=$LIBS
+			   CPPFLAGS="$CPPFLAGS -I$ompi_check_hcoll_dir/include -I$ompi_check_hcoll_dir/include/hcoll -I$ompi_check_hcoll_dir/include/hcoll/api"
+
+			   OPAL_LOG_MSG([$1_CPPFLAGS : $$1_CPPFLAGS], 1)
+			   OPAL_LOG_MSG([$1_LDFLAGS  : $$1_LDFLAGS], 1)
+			   OPAL_LOG_MSG([$1_LIBS     : $$1_LIBS], 1)
+
+			   OMPI_CHECK_PACKAGE([$1],
+				   [hcoll_api.h],
+				   [$ompi_check_hcoll_libs],
+				   [hcoll_get_version],
+				   [],
+				   [$ompi_check_hcoll_dir],
+				   [$ompi_check_hcoll_libdir],
+				   [ompi_check_hcoll_happy="yes"],
+				   [ompi_check_hcoll_happy="no"])
+
+			   CPPFLAGS=$CPPFLAGS_save
+			   LDFLAGS=$LDFLAGS_save
+			   LIBS=$LIBS_save],
+			   [ompi_check_hcoll_happy="no"])
+          ])
+
+    MCA_COMPONENT_BUILD_CHECK([ompi],[coll],[ml],
+            [AM_COND_IF(
+                MCA_BUILD_ompi_coll_ml_DSO,
+                [],
+                [AC_MSG_ERROR([Can not use coll/hcoll and coll/ml (static build)  simultaneously. You have two options:
+                1. Use static build & disable ml with: --enable-mpi-no-build=coll-ml]
+                2. Use dso build for ML & disable ml at runtime: -mca coll self,basic,hcoll,tuned,libnbc)]
+                )
+            ],
+            [])
+
+
+    AS_IF([test "$ompi_check_hcoll_happy" = "yes" -a "$enable_progress_threads" = "yes"],
+          [AC_MSG_WARN([hcoll driver does not currently support progress threads.  Disabling HCOLL.])
+           ompi_check_hcoll_happy="no"])
+
+    AS_IF([test "$ompi_check_hcoll_happy" = "yes"],
+          [$2],
+          [AS_IF([test ! -z "$with_hcoll" -a "$with_hcoll" != "no"],
+                 [AC_MSG_ERROR([HCOLL support requested but not found.  Aborting])])
+           $3])
+])
+