[t:5006] support VALGRIND_PREFIX for using non-standard valgrind installations...

[t:5006] support VALGRIND_PREFIX for using non-standard valgrind installations (and error out correctly if we don't find valgrind).  fixes #5006

git-svn-id: file:///svn/toku/tokudb@44252 c7de825b-a66e-492c-adef-691d508d4ae1

CMakeLists.txt

@@ -30,6 +30,7 @@ endif ()
 include_directories(SYSTEM
   /usr/local/include
   ${ZLIB_INCLUDE_DIRS}
+  ${VALGRIND_INCLUDE_DIRS}
   )
 include_directories(
   ${CMAKE_CURRENT_SOURCE_DIR}/include

cmake_modules/FindValgrind.cmake

+# Find Valgrind.
+#
+# This module defines:
+#  VALGRIND_INCLUDE_DIR, where to find valgrind/memcheck.h, etc.
+#  VALGRIND_PROGRAM, the valgrind executable.
+#  VALGRIND_FOUND, If false, do not try to use valgrind.
+#
+# If you have valgrind installed in a non-standard place, you can define
+# VALGRIND_PREFIX to tell cmake where it is.
+
+message(STATUS "Valgrind Prefix: ${VALGRIND_PREFIX}")
+
+find_path(VALGRIND_INCLUDE_DIR valgrind/memcheck.h
+  ${VALGRIND_PREFIX}/include ${VALGRIND_PREFIX}/include/valgrind
+  /usr/local/include /usr/local/include/valgrind
+  /usr/include /usr/include/valgrind)
+find_program(VALGRIND_PROGRAM NAMES valgrind PATH ${VALGRIND_PREFIX}/bin /usr/local/bin /usr/bin)
+
+find_package_handle_standard_args(VALGRIND DEFAULT_MSG
+    VALGRIND_INCLUDE_DIR
+    VALGRIND_PROGRAM)
+
+mark_as_advanced(VALGRIND_INCLUDE_DIR VALGRIND_PROGRAM)
\ No newline at end of file

cmake_modules/TokuFeatureDetection.cmake

@@ -7,6 +7,8 @@ if(USE_BDB)
   find_package(BDB REQUIRED)
 endif()
 
+find_package(VALGRIND REQUIRED)
+
 include(CheckIncludeFiles)
 
 ## check for some include files