diff -Nur 3rdparty/CMakeLists.txt 3rdparty/CMakeLists.txt
--- 3rdparty/CMakeLists.txt	2009-10-01 02:21:05.000000000 +0200
+++ 3rdparty/CMakeLists.txt	2010-03-23 18:20:37.000000000 +0100
@@ -1,5 +1,7 @@
 add_subdirectory(flann)
-add_subdirectory(lapack)
+if(BUILD_LAPACK)
+  add_subdirectory(lapack)
+endif()
 add_subdirectory(zlib)
 if(OPENCV_BUILD_3RDPARTY_LIBS)
     add_subdirectory(libjasper)

diff -Nur FindBLAS.cmake FindBLAS.cmake
--- FindBLAS.cmake	1970-01-01 01:00:00.000000000 +0100
+++ FindBLAS.cmake	2010-03-23 18:20:37.000000000 +0100
@@ -0,0 +1,433 @@
+# - Find BLAS library
+# This module finds an installed fortran library that implements the BLAS
+# linear-algebra interface (see http://www.netlib.org/blas/).
+# The list of libraries searched for is taken
+# from the autoconf macro file, acx_blas.m4 (distributed at
+# http://ac-archive.sourceforge.net/ac-archive/acx_blas.html).
+#
+# This module sets the following variables:
+#  BLAS_FOUND - set to true if a library implementing the BLAS interface
+#    is found
+#  BLAS_LINKER_FLAGS - uncached list of required linker flags (excluding -l
+#    and -L).
+#  BLAS_LIBRARIES - uncached list of libraries (using full path name) to
+#    link against to use BLAS
+#  BLAS95_LIBRARIES - uncached list of libraries (using full path name)
+#    to link against to use BLAS95 interface
+#  BLAS95_FOUND - set to true if a library implementing the BLAS f95 interface
+#    is found
+#  BLA_STATIC  if set on this determines what kind of linkage we do (static)
+#  BLA_VENDOR  if set checks only the specified vendor, if not set checks
+#     all the posibilities
+#  BLA_F95     if set on tries to find the f95 interfaces for BLAS/LAPACK
+##########
+### List of vendors (BLA_VENDOR) valid in this module
+##  ATLAS, PhiPACK,CXML,DXML,SunPerf,SCSL,SGIMATH,IBMESSL,Intel10_32 (intel mkl v10 32 bit),Intel10_64lp (intel mkl v10 64 bit,lp thread model, lp64 model),
+##  Intel( older versions of mkl 32 and 64 bit), ACML,Apple, NAS, Generic
+# C/CXX should be enabled to use Intel mkl
+get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES)
+
+macro(Check_Fortran_Libraries LIBRARIES _prefix _name _flags _list _threads)
+# This macro checks for the existence of the combination of fortran libraries
+# given by _list.  If the combination is found, this macro checks (using the
+# Check_Fortran_Function_Exists macro) whether can link against that library
+# combination using the name of a routine given by _name using the linker
+# flags given by _flags.  If the combination of libraries is found and passes
+# the link test, LIBRARIES is set to the list of complete library paths that
+# have been found.  Otherwise, LIBRARIES is set to FALSE.
+
+# N.B. _prefix is the prefix applied to the names of all cached variables that
+# are generated internally and marked advanced by this macro.
+
+set(_libraries_work TRUE)
+set(${LIBRARIES})
+set(_combined_name)
+foreach(_library ${_list})
+  set(_combined_name ${_combined_name}_${_library})
+
+  if(_libraries_work)
+   if ( WIN32 )
+    if(BLA_STATIC)
+      set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.dll")
+    endif(BLA_STATIC)
+    find_library(${_prefix}_${_library}_LIBRARY
+    NAMES ${_library}
+    PATHS ENV LIB
+    )
+   endif ( WIN32 )
+
+   if ( APPLE )
+    if(BLA_STATIC)
+     set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.dll")
+    endif(BLA_STATIC)
+    find_library(${_prefix}_${_library}_LIBRARY
+    NAMES ${_library}
+    PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV DYLD_LIBRARY_PATH
+    )
+
+   else ( APPLE )
+    if(BLA_STATIC)
+      set(CMAKE_FIND_LIBRARY_SUFFIXES ".a;.so")
+    endif(BLA_STATIC)
+    find_library(${_prefix}_${_library}_LIBRARY
+    NAMES ${_library}
+    PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV LD_LIBRARY_PATH
+    )
+   endif( APPLE )
+    mark_as_advanced(${_prefix}_${_library}_LIBRARY)
+    set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
+    set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
+  endif(_libraries_work)
+endforeach(_library ${_list})
+if(NOT _libraries_work)
+  set(${LIBRARIES} FALSE)
+endif(NOT _libraries_work)
+#message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
+endmacro(Check_Fortran_Libraries)
+
+set(BLAS_LINKER_FLAGS)
+set(BLAS_LIBRARIES)
+set(BLAS95_LIBRARIES)
+if ($ENV{BLA_VENDOR} MATCHES ".+")
+  set(BLA_VENDOR $ENV{BLA_VENDOR})
+else ($ENV{BLA_VENDOR} MATCHES ".+")
+  if(NOT BLA_VENDOR)
+    set(BLA_VENDOR "All")
+  endif(NOT BLA_VENDOR)
+endif ($ENV{BLA_VENDOR} MATCHES ".+")
+
+#BLAS in intel mkl 10 library? (em64t 64bit)
+if (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
+ if (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
+  if(BLAS_FIND_QUIETLY OR NOT BLAS_FIND_REQUIRED)
+    find_package(Threads)
+  else(BLAS_FIND_QUIETLY OR NOT BLAS_FIND_REQUIRED)
+    find_package(Threads REQUIRED)
+  endif(BLAS_FIND_QUIETLY OR NOT BLAS_FIND_REQUIRED)
+  if (WIN32)
+  if(BLA_F95)
+    if(NOT BLAS95_LIBRARIES)
+    check_fortran_libraries(
+    BLAS95_LIBRARIES
+    BLAS
+    sgemm
+    ""
+    "mkl_blas95;mkl_intel_c;mkl_intel_thread;mkl_core;libguide40"
+    ""
+    )
+    endif(NOT BLAS95_LIBRARIES)
+  else(BLA_F95)
+    if(NOT BLAS_LIBRARIES)
+    check_fortran_libraries(
+    BLAS_LIBRARIES
+    BLAS
+    SGEMM
+    ""
+    "mkl_c_dll;mkl_intel_thread_dll;mkl_core_dll;libguide40"
+    ""
+    )
+    endif(NOT BLAS_LIBRARIES)
+  endif(BLA_F95)
+  else(WIN32)
+  if (BLA_VENDOR STREQUAL "Intel10_32" OR BLA_VENDOR STREQUAL "All")
+    if(BLA_F95)
+      if(NOT BLAS95_LIBRARIES)
+      check_fortran_libraries(
+      BLAS95_LIBRARIES
+      BLAS
+      sgemm
+      ""
+      "mkl_blas95;mkl_intel;mkl_intel_thread;mkl_core;guide"
+      "${CMAKE_THREAD_LIBS_INIT}"
+      )
+      endif(NOT BLAS95_LIBRARIES)
+    else(BLA_F95)
+    if(NOT BLAS_LIBRARIES)
+      check_fortran_libraries(
+      BLAS_LIBRARIES
+      BLAS
+      sgemm
+      ""
+      "mkl_intel;mkl_intel_thread;mkl_core;guide"
+      "${CMAKE_THREAD_LIBS_INIT}"
+      )
+      endif(NOT BLAS_LIBRARIES)
+    endif(BLA_F95)
+  endif (BLA_VENDOR STREQUAL "Intel10_32" OR BLA_VENDOR STREQUAL "All")
+  if (BLA_VENDOR STREQUAL "Intel10_64lp" OR BLA_VENDOR STREQUAL "All")
+   if(BLA_F95)
+    if(NOT BLAS95_LIBRARIES)
+      check_fortran_libraries(
+      BLAS95_LIBRARIES
+      BLAS
+      sgemm
+      ""
+      "mkl_blas95;mkl_intel_lp64;mkl_intel_thread;mkl_core;guide"
+      "${CMAKE_THREAD_LIBS_INIT}"
+      )
+    endif(NOT BLAS95_LIBRARIES)
+   else(BLA_F95)
+     if(NOT BLAS_LIBRARIES)
+      check_fortran_libraries(
+      BLAS_LIBRARIES
+      BLAS
+      sgemm
+      ""
+      "mkl_intel_lp64;mkl_intel_thread;mkl_core;guide"
+      "${CMAKE_THREAD_LIBS_INIT}"
+      )
+     endif(NOT BLAS_LIBRARIES)
+   endif(BLA_F95)
+  endif (BLA_VENDOR STREQUAL "Intel10_64lp" OR BLA_VENDOR STREQUAL "All")
+  endif (WIN32)
+  #older vesions of intel mkl libs
+  # BLAS in intel mkl library? (shared)
+  if(NOT BLAS_LIBRARIES)
+    check_fortran_libraries(
+    BLAS_LIBRARIES
+    BLAS
+    sgemm
+    ""
+    "mkl;guide"
+    "${CMAKE_THREAD_LIBS_INIT}"
+    )
+  endif(NOT BLAS_LIBRARIES)
+  #BLAS in intel mkl library? (static, 32bit)
+  if(NOT BLAS_LIBRARIES)
+    check_fortran_libraries(
+    BLAS_LIBRARIES
+    BLAS
+    sgemm
+    ""
+    "mkl_ia32;guide"
+    "${CMAKE_THREAD_LIBS_INIT}"
+    )
+  endif(NOT BLAS_LIBRARIES)
+  #BLAS in intel mkl library? (static, em64t 64bit)
+  if(NOT BLAS_LIBRARIES)
+    check_fortran_libraries(
+    BLAS_LIBRARIES
+    BLAS
+    sgemm
+    ""
+    "mkl_em64t;guide"
+    "${CMAKE_THREAD_LIBS_INIT}"
+    )
+  endif(NOT BLAS_LIBRARIES)
+ endif (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
+endif (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
+
+#BLAS in acml library?
+if (BLA_VENDOR STREQUAL "ACML" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "acml"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "ACML" OR BLA_VENDOR STREQUAL "All")
+
+# Apple BLAS library?
+if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
+if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  cblas_dgemm
+  ""
+  "Accelerate"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
+
+if (BLA_VENDOR STREQUAL "ATLAS" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  # BLAS in ATLAS library? (http://math-atlas.sourceforge.net/)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  cblas_dgemm
+  ""
+  "cblas;f77blas;atlas"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "ATLAS" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in PhiPACK libraries? (requires generic BLAS lib, too)
+if (BLA_VENDOR STREQUAL "PhiPACK" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "sgemm;dgemm;blas"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "PhiPACK" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in Alpha CXML library?
+if (BLA_VENDOR STREQUAL "CXML" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "cxml"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "CXML" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in Alpha DXML library? (now called CXML, see above)
+if (BLA_VENDOR STREQUAL "DXML" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "dxml"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "DXML" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in Sun Performance library?
+if (BLA_VENDOR STREQUAL "SunPerf" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  "-xlic_lib=sunperf"
+  "sunperf;sunmath"
+  ""
+  )
+  if(BLAS_LIBRARIES)
+    set(BLAS_LINKER_FLAGS "-xlic_lib=sunperf")
+  endif(BLAS_LIBRARIES)
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "SunPerf" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in SCSL library?  (SGI/Cray Scientific Library)
+if (BLA_VENDOR STREQUAL "SCSL" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "scsl"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "SCSL" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in SGIMATH library?
+if (BLA_VENDOR STREQUAL "SGIMATH" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "complib.sgimath"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "SGIMATH" OR BLA_VENDOR STREQUAL "All")
+
+# BLAS in IBM ESSL library? (requires generic BLAS lib, too)
+if (BLA_VENDOR STREQUAL "IBMESSL" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "essl;blas"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "IBMESSL" OR BLA_VENDOR STREQUAL "All")
+
+if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
+ if ( NOT BLAS_LIBRARIES )
+    check_fortran_libraries(
+    BLAS_LIBRARIES
+    BLAS
+    cblas_dgemm
+    ""
+    "vecLib"
+    ""
+    )
+ endif ( NOT BLAS_LIBRARIES )
+endif (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
+# Generic BLAS library?
+if (BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "blas"
+  ""
+  )
+ endif(NOT BLAS_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All")
+
+if(BLA_F95)
+ if(BLAS95_LIBRARIES)
+    set(BLAS95_FOUND TRUE)
+  else(BLAS95_LIBRARIES)
+    set(BLAS95_FOUND FALSE)
+  endif(BLAS95_LIBRARIES)
+
+  if(NOT BLAS_FIND_QUIETLY)
+    if(BLAS95_FOUND)
+      message(STATUS "A library with BLAS95 API found.")
+    else(BLAS95_FOUND)
+      if(BLAS_FIND_REQUIRED)
+        message(FATAL_ERROR
+        "A required library with BLAS95 API not found. Please specify library location.")
+      else(BLAS_FIND_REQUIRED)
+        message(STATUS
+        "A library with BLAS95 API not found. Please specify library location.")
+      endif(BLAS_FIND_REQUIRED)
+    endif(BLAS95_FOUND)
+  endif(NOT BLAS_FIND_QUIETLY)
+  set(BLAS_FOUND TRUE)
+  set(BLAS_LIBRARIES "${BLAS95_LIBRARIES}")
+else(BLA_F95)
+  if(BLAS_LIBRARIES)
+    set(BLAS_FOUND TRUE)
+  else(BLAS_LIBRARIES)
+    set(BLAS_FOUND FALSE)
+  endif(BLAS_LIBRARIES)
+
+  if(NOT BLAS_FIND_QUIETLY)
+    if(BLAS_FOUND)
+      message(STATUS "A library with BLAS API found.")
+    else(BLAS_FOUND)
+      if(BLAS_FIND_REQUIRED)
+        message(FATAL_ERROR
+        "A required library with BLAS API not found. Please specify library location."
+        )
+      else(BLAS_FIND_REQUIRED)
+        message(STATUS
+        "A library with BLAS API not found. Please specify library location."
+        )
+      endif(BLAS_FIND_REQUIRED)
+    endif(BLAS_FOUND)
+  endif(NOT BLAS_FIND_QUIETLY)
+endif(BLA_F95)
diff -Nur FindLAPACK.cmake FindLAPACK.cmake
--- FindLAPACK.cmake	1970-01-01 01:00:00.000000000 +0100
+++ FindLAPACK.cmake	2010-03-23 18:20:37.000000000 +0100
@@ -0,0 +1,254 @@
+# - Find LAPACK library
+# This module finds an installed fortran library that implements the LAPACK
+# linear-algebra interface (see http://www.netlib.org/lapack/).
+#
+# The approach follows that taken for the autoconf macro file, acx_lapack.m4
+# (distributed at http://ac-archive.sourceforge.net/ac-archive/acx_lapack.html).
+#
+# This module sets the following variables:
+#  LAPACK_FOUND - set to true if a library implementing the LAPACK interface
+#    is found
+#  LAPACK_LINKER_FLAGS - uncached list of required linker flags (excluding -l
+#    and -L).
+#  LAPACK_LIBRARIES - uncached list of libraries (using full path name) to
+#    link against to use LAPACK
+#  LAPACK95_LIBRARIES - uncached list of libraries (using full path name) to
+#    link against to use LAPACK95
+#  LAPACK95_FOUND - set to true if a library implementing the LAPACK f95
+#    interface is found
+#  BLA_STATIC  if set on this determines what kind of linkage we do (static)
+#  BLA_VENDOR  if set checks only the specified vendor, if not set checks
+#     all the posibilities
+#  BLA_F95     if set on tries to find the f95 interfaces for BLAS/LAPACK
+### List of vendors (BLA_VENDOR) valid in this module
+##  Intel(mkl), ACML,Apple, NAS, Generic
+get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES)
+set(LAPACK_FOUND FALSE)
+set(LAPACK95_FOUND FALSE)
+
+macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads)
+# This macro checks for the existence of the combination of fortran libraries
+# given by _list.  If the combination is found, this macro checks (using the
+# Check_Fortran_Function_Exists macro) whether can link against that library
+# combination using the name of a routine given by _name using the linker
+# flags given by _flags.  If the combination of libraries is found and passes
+# the link test, LIBRARIES is set to the list of complete library paths that
+# have been found.  Otherwise, LIBRARIES is set to FALSE.
+
+# N.B. _prefix is the prefix applied to the names of all cached variables that
+# are generated internally and marked advanced by this macro.
+
+set(_libraries_work TRUE)
+set(${LIBRARIES})
+set(_combined_name)
+foreach(_library ${_list})
+  set(_combined_name ${_combined_name}_${_library})
+
+  if(_libraries_work)
+  IF (WIN32)
+    if(BLA_STATIC)
+      set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.dll")
+    endif(BLA_STATIC)
+    find_library(${_prefix}_${_library}_LIBRARY
+    NAMES ${_library}
+    PATHS ENV LIB
+    )
+  ENDIF (WIN32)
+
+  if(APPLE)
+    if(BLA_STATIC)
+      set(CMAKE_FIND_LIBRARY_SUFFIXES ".a;.so;.dylib")
+    endif(BLA_STATIC)
+    find_library(${_prefix}_${_library}_LIBRARY
+    NAMES ${_library}
+    PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV DYLD_LIBRARY_PATH
+    )
+    else(APPLE)
+    if(BLA_STATIC)
+     set(CMAKE_FIND_LIBRARY_SUFFIXES ".a;.so")
+    endif(BLA_STATIC)
+    find_library(${_prefix}_${_library}_LIBRARY
+    NAMES ${_library}
+    PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV LD_LIBRARY_PATH
+    )
+    endif(APPLE)
+
+    mark_as_advanced(${_prefix}_${_library}_LIBRARY)
+    set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
+    set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
+  endif(_libraries_work)
+endforeach(_library ${_list})
+
+if(_libraries_work)
+  set(${LIBRARIES} ${${LIBRARIES}} ${_blas})
+else(_libraries_work)
+  set(${LIBRARIES} FALSE)
+endif(_libraries_work)
+
+endmacro(Check_Lapack_Libraries)
+
+
+set(LAPACK_LINKER_FLAGS)
+set(LAPACK_LIBRARIES)
+set(LAPACK95_LIBRARIES)
+
+
+if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
+  find_package(BLAS)
+else(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
+  find_package(BLAS REQUIRED)
+endif(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
+
+
+if(BLAS_FOUND)
+  set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS})
+  if ($ENV{BLA_VENDOR} MATCHES ".+")
+    set(BLA_VENDOR $ENV{BLA_VENDOR})
+  else ($ENV{BLA_VENDOR} MATCHES ".+")
+    if(NOT BLA_VENDOR)
+      set(BLA_VENDOR "All")
+    endif(NOT BLA_VENDOR)
+  endif ($ENV{BLA_VENDOR} MATCHES ".+")
+
+  #intel lapack
+ if (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
+  if (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
+   if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
+      find_PACKAGE(Threads)
+   else(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
+       find_package(Threads REQUIRED)
+   endif(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
+   if (BLA_F95)
+    if(NOT LAPACK95_LIBRARIES)
+     check_lapack_libraries(
+     LAPACK95_LIBRARIES
+     LAPACK
+     cheev
+     ""
+     "mkl_lapack95"
+     "${BLAS95_LIBRARIES}"
+     "${CMAKE_THREAD_LIBS_INIT}"
+     )
+    endif(NOT LAPACK95_LIBRARIES)
+   else(BLA_F95)
+    if(NOT LAPACK_LIBRARIES)
+     check_lapack_libraries(
+     LAPACK_LIBRARIES
+     LAPACK
+     cheev
+     ""
+     "mkl_lapack"
+     "${BLAS_LIBRARIES}"
+     "${CMAKE_THREAD_LIBS_INIT}"
+     )
+    endif(NOT LAPACK_LIBRARIES)
+   endif(BLA_F95)
+  endif (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
+ endif(BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
+else(BLAS_FOUND)
+  message(STATUS "LAPACK requires BLAS")
+endif(BLAS_FOUND)
+
+#acml lapack
+ if (BLA_VENDOR STREQUAL "ACML" OR BLA_VENDOR STREQUAL "All")
+  if(NOT LAPACK_LIBRARIES)
+   check_lapack_libraries(
+    LAPACK_LIBRARIES
+    LAPACK
+    cheev
+    ""
+    "acml"
+    ""
+    ""
+    )
+  endif(NOT LAPACK_LIBRARIES)
+ endif (BLA_VENDOR STREQUAL "ACML" OR BLA_VENDOR STREQUAL "All")
+
+# Apple LAPACK library?
+if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
+ if(NOT LAPACK_LIBRARIES)
+  check_lapack_libraries(
+  LAPACK_LIBRARIES
+  LAPACK
+  cheev
+  ""
+  "Accelerate"
+  "${BLAS_LIBRARIES}"
+  ""
+  )
+ endif(NOT LAPACK_LIBRARIES)
+endif (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
+if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
+  if ( NOT LAPACK_LIBRARIES )
+    check_lapack_libraries(
+    LAPACK_LIBRARIES
+    LAPACK
+    cheev
+    ""
+    "vecLib"
+    "${BLAS_LIBRARIES}"
+    ""
+    )
+  endif ( NOT LAPACK_LIBRARIES )
+endif (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
+# Generic LAPACK library?
+if (BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All")
+  if ( NOT LAPACK_LIBRARIES )
+    check_lapack_libraries(
+    LAPACK_LIBRARIES
+    LAPACK
+    cheev
+    ""
+    "lapack"
+    "${BLAS_LIBRARIES}"
+    ""
+    )
+  endif ( NOT LAPACK_LIBRARIES )
+endif (BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All")
+
+if(BLA_F95)
+ if(LAPACK95_LIBRARIES)
+  set(LAPACK95_FOUND TRUE)
+ else(LAPACK95_LIBRARIES)
+  set(LAPACK95_FOUND FALSE)
+ endif(LAPACK95_LIBRARIES)
+ if(NOT LAPACK_FIND_QUIETLY)
+  if(LAPACK95_FOUND)
+    message(STATUS "A library with LAPACK95 API found.")
+  else(LAPACK95_FOUND)
+    if(LAPACK_FIND_REQUIRED)
+      message(FATAL_ERROR
+      "A required library with LAPACK95 API not found. Please specify library location."
+      )
+    else(LAPACK_FIND_REQUIRED)
+      message(STATUS
+      "A library with LAPACK95 API not found. Please specify library location."
+      )
+    endif(LAPACK_FIND_REQUIRED)
+  endif(LAPACK95_FOUND)
+ endif(NOT LAPACK_FIND_QUIETLY)
+ set(LAPACK_FOUND "${LAPACK95_FOUND}")
+ set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}")
+else(BLA_F95)
+ if(LAPACK_LIBRARIES)
+  set(LAPACK_FOUND TRUE)
+ else(LAPACK_LIBRARIES)
+  set(LAPACK_FOUND FALSE)
+ endif(LAPACK_LIBRARIES)
+
+ if(NOT LAPACK_FIND_QUIETLY)
+  if(LAPACK_FOUND)
+    message(STATUS "A library with LAPACK API found.")
+  else(LAPACK_FOUND)
+    if(LAPACK_FIND_REQUIRED)
+      message(FATAL_ERROR
+      "A required library with LAPACK API not found. Please specify library location."
+      )
+    else(LAPACK_FIND_REQUIRED)
+      message(STATUS
+      "A library with LAPACK API not found. Please specify library location."
+      )
+    endif(LAPACK_FIND_REQUIRED)
+  endif(LAPACK_FOUND)
+ endif(NOT LAPACK_FIND_QUIETLY)
+endif(BLA_F95)
--- CMakeLists.txt.orig	2010-05-19 01:18:53.597937575 +0200
+++ CMakeLists.txt	2010-05-19 01:19:04.077965652 +0200
@@ -10,6 +10,7 @@
 # ----------------------------------------------------------------------------
 
 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}")
 # Add these standard paths to the search paths for FIND_LIBRARY
 # to find libraries from these locations first
 if(UNIX)
@@ -178,6 +179,7 @@
 
 # Build/install (or not) some apps:
 # ===================================================
+set(BUILD_LAPACK ON CACHE BOOL "Build Lapack")
 set(BUILD_EXAMPLES OFF CACHE BOOL "Build all examples")
 set(INSTALL_C_EXAMPLES OFF CACHE BOOL "Install C examples")
 set(INSTALL_PYTHON_EXAMPLES OFF CACHE BOOL "Install Python examples")
@@ -335,6 +337,12 @@
       endif()
     endif()
 
+    if(BUILD_LAPACK)
+      set(LAPACK_LIBRARIES "opencv_lapack")
+    else()
+      find_package(LAPACK REQUIRED)
+    endif()
+
     if(WITH_UNICAP)
       CHECK_MODULE(libunicap HAVE_UNICAP_)
       CHECK_MODULE(libucil HAVE_UNICAP_UCIL)
@@ -1195,6 +1203,12 @@
 message(STATUS "    Use TBB:                   NO")
 endif()
 
+if(BUILD_LAPACK)
+  message(STATUS "    Building Lapack             ")
+else()
+  message(STATUS "    Using External Lapack ")
+endif()
+
 if(BUILD_LATEX_DOCS AND PDFLATEX_COMPILER)
 message(STATUS "    Build Documentation        1")
 else()
--- src/cxcore/CMakeLists.txt.orig	2010-05-19 01:23:26.701276147 +0200
+++ src/cxcore/CMakeLists.txt	2010-05-19 01:23:38.977939042 +0200
@@ -53,7 +53,7 @@
     )
 
 # Add the required libraries for linking:
-target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${IPP_LIBS} opencv_lapack zlib flann)
+target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${IPP_LIBS} ${LAPACK_LIBRARIES} zlib flann)
 
 # Linker flag needed for Windows Mobile 5 and 6 SDKs
 if(MSVC)