.if defined(WITH_DTRACE)

CMAKE_ARGS+=	-DENABLE_DTRACE=1

.endif

--- cmake/dtrace.cmake.orig	2011-06-21 16:42:39.000000000 +0000

+++ cmake/dtrace.cmake	2011-07-27 11:49:47.214815458 +0000

@@ -34,13 +34,11 @@

  FIND_PROGRAM(DTRACE dtrace)

  MARK_AS_ADVANCED(DTRACE)

- # On FreeBSD, dtrace does not handle userland tracing yet

- IF(DTRACE AND NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD"

-     AND NOT BUGGY_GCC_NO_DTRACE_MODULES)

+ IF(DTRACE AND NOT BUGGY_GCC_NO_DTRACE_MODULES)

    SET(ENABLE_DTRACE ON CACHE BOOL "Enable dtrace")

  ENDIF()

  SET(HAVE_DTRACE ${ENABLE_DTRACE})

- IF(CMAKE_SYSTEM_NAME MATCHES "SunOS")

+ IF(CMAKE_SYSTEM_NAME MATCHES "SunOS|FreeBSD")

    IF(CMAKE_SIZEOF_VOID_P EQUAL 4)

      SET(DTRACE_FLAGS -32 CACHE INTERNAL "DTrace architecture flags")

    ELSE()

@@ -90,6 +88,10 @@

 ENDIF()

 FUNCTION(DTRACE_INSTRUMENT target)

+    # add libelf to the linker in the FreeBSD

+    IF(ENABLE_DTRACE AND CMAKE_SYSTEM_NAME MATCHES "FreeBSD")

+        TARGET_LINK_LIBRARIES(${target} elf)

+    ENDIF()

   IF(BUGGY_GCC_NO_DTRACE_MODULES)

     GET_TARGET_PROPERTY(target_type ${target} TYPE)

     IF(target_type MATCHES "MODULE_LIBRARY")

@@ -105,7 +107,7 @@

     # On Solaris, invoke dtrace -G to generate object file and

     # link it together with target.

-    IF(CMAKE_SYSTEM_NAME MATCHES "SunOS")

+    IF(CMAKE_SYSTEM_NAME MATCHES "SunOS|FreeBSD")

       SET(objdir ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${target}.dir)

       SET(outfile ${objdir}/${target}_dtrace.o)

       GET_TARGET_PROPERTY(target_type ${target} TYPE)

@@ -117,6 +119,7 @@

           -DDFILE=${CMAKE_BINARY_DIR}/include/probes_mysql.d

           -DDTRACE_FLAGS=${DTRACE_FLAGS}

           -DDIRS=.

+          -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME}

           -DTYPE=${target_type}

           -P ${CMAKE_SOURCE_DIR}/cmake/dtrace_prelink.cmake

         WORKING_DIRECTORY ${objdir}

@@ -152,13 +155,13 @@

 # run them again through dtrace -G to generate an ELF file that links

 # to mysqld.

 MACRO (DTRACE_INSTRUMENT_STATIC_LIBS target libs)

-IF(CMAKE_SYSTEM_NAME MATCHES "SunOS" AND ENABLE_DTRACE)

+IF(CMAKE_SYSTEM_NAME MATCHES "SunOS|FreeBSD" AND ENABLE_DTRACE)

   # Filter out non-static libraries in the list, if any

   SET(static_libs)

   FOREACH(lib ${libs})

     GET_TARGET_PROPERTY(libtype ${lib} TYPE)

     IF(libtype MATCHES STATIC_LIBRARY)

-      SET(static_libs ${static_lics} ${lib})

+      SET(static_libs ${static_libs} ${lib})

     ENDIF()

   ENDFOREACH()

@@ -177,6 +180,7 @@

    -DDTRACE_FLAGS=${DTRACE_FLAGS}

    "-DDIRS=${dirs}"

    -DTYPE=MERGE

+   -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME}

    -P ${CMAKE_SOURCE_DIR}/cmake/dtrace_prelink.cmake

    VERBATIM

   )

--- cmake/dtrace_prelink.cmake.orig	2011-06-21 16:42:39.000000000 +0000

+++ cmake/dtrace_prelink.cmake	2011-07-27 11:48:13.000000000 +0000

@@ -44,7 +44,13 @@

     FILE(STRINGS ${dir}/dtrace_objects  OBJS)

     FOREACH(obj ${OBJS})

       IF(obj)

-        EXECUTE_PROCESS(COMMAND cp ${obj} dtrace_objects_merge)

+        # use original, non modified object

+        IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")

+            GET_FILENAME_COMPONENT(obj_dest ${obj} NAME)

+            EXECUTE_PROCESS(COMMAND cp ${obj}.orig dtrace_objects_merge/${obj_dest})

+        ELSE()

+            EXECUTE_PROCESS(COMMAND cp ${obj} dtrace_objects_merge)

+        ENDIF()

       ENDIF()

     ENDFOREACH()

   ENDFOREACH()

@@ -62,6 +68,18 @@

   LIST(APPEND REL_OBJECTS ${REL})

 ENDFOREACH()

+# there is a bug in dtrace/freebsd. When dtrace -G is running second time on already 

+# processed object it producing broken output. We need to save objects to use them 

+# later on a link stage

+

+IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")

+    FOREACH(rel_object ${REL_OBJECTS})

+	EXECUTE_PROCESS(

+	     COMMAND cp ${rel_object} ${rel_object}.orig

+	)

+    ENDFOREACH()

+ENDIF()

+

 FILE(WRITE  dtrace_timestamp "")

 EXECUTE_PROCESS(

  COMMAND ${DTRACE} ${DTRACE_FLAGS} -o ${OUTFILE}  -G -s ${DFILE}  ${REL_OBJECTS}