1 files changed, 84 insertions, 0 deletions
diff --git a/cmake/dtrace_prelink.cmake b/cmake/dtrace_prelink.cmake
new file mode 100644
index 00000000..e09fd558
--- /dev/null
+++ b/cmake/dtrace_prelink.cmake
@@ -0,0 +1,84 @@
+# Copyright (c) 2009 Sun Microsystems, Inc.
+# Use is subject to license terms.
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1335  USA 
+
+# Generates an ELF object file with dtrace entry points.
+# This object that must to be linked with together with 
+# the target. This script needs to run on Solaris only
+
+# Do not follow symlinks in GLOB_RECURSE
+CMAKE_POLICY(SET CMP0009 NEW)
+FILE(REMOVE ${OUTFILE})
+
+MACRO(CONVERT_TO_RELATIVE_PATHS files rel_paths)
+  GET_FILENAME_COMPONENT(abs_dir . ABSOLUTE)
+  SET(${rel_paths})
+  FOREACH(file ${files})
+    FILE(RELATIVE_PATH rel  ${abs_dir} ${file})
+    LIST(APPEND ${rel_paths} ${rel})
+  ENDFOREACH()
+ENDMACRO()
+
+IF(TYPE STREQUAL "MERGE")
+  # Rerun dtrace on objects that are already in static libraries.
+  # Object paths are stored in text files named 'dtrace_objects'
+  # in the input directories. We have to copy the objects into temp.
+  # directory, as running dtrace -G on original files will change
+  # timestamps and cause rebuilds or the libraries / excessive 
+  # relink
+  FILE(REMOVE_RECURSE dtrace_objects_merge)
+  MAKE_DIRECTORY(dtrace_objects_merge)
+
+  FOREACH(dir ${DIRS})
+    FILE(STRINGS ${dir}/dtrace_objects  OBJS)
+    FOREACH(obj ${OBJS})
+      IF(obj)
+        EXECUTE_PROCESS(COMMAND cp ${obj} dtrace_objects_merge)
+      ENDIF()
+    ENDFOREACH()
+  ENDFOREACH()
+  FILE(GLOB_RECURSE OBJECTS dtrace_objects_merge/*.o)
+  CONVERT_TO_RELATIVE_PATHS("${OBJECTS}" REL_OBJECTS)
+  EXECUTE_PROCESS(
+     COMMAND ${DTRACE} ${DTRACE_FLAGS} -o ${OUTFILE}  -G -s ${DFILE}  ${REL_OBJECTS}
+  )
+  RETURN()
+ENDIF()
+
+FOREACH(dir ${DIRS})
+  FILE(GLOB_RECURSE OBJECTS  ${dir}/*.o)
+  CONVERT_TO_RELATIVE_PATHS("${OBJECTS}" REL)
+  LIST(APPEND REL_OBJECTS ${REL})
+ENDFOREACH()
+
+FILE(WRITE  dtrace_timestamp "")
+EXECUTE_PROCESS(
+ COMMAND ${DTRACE} ${DTRACE_FLAGS} -o ${OUTFILE}  -G -s ${DFILE}  ${REL_OBJECTS}
+)
+
+# Save objects that contain dtrace probes in a file.
+# This file is used when script is called with -DTYPE=MERGE
+# to dtrace from static libs.
+# To find objects with probes, look at the timestamp, it was updated
+# by dtrace -G run
+IF(TYPE MATCHES "STATIC")
+  FILE(WRITE dtrace_objects "")
+  FOREACH(obj  ${REL_OBJECTS})
+    IF(${obj} IS_NEWER_THAN dtrace_timestamp)
+      GET_FILENAME_COMPONENT(obj_absolute_path ${obj} ABSOLUTE)
+      FILE(APPEND dtrace_objects "${obj_absolute_path}\n" )
+    ENDIF()
+  ENDFOREACH()
+ENDIF()