Difference between revisions of "Opencv"

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(New page: == How to compile == in cmake-gui select these options<br> run cat /proc/cpuinfo and check which "sse" options are supported. Check them in cmake file<br>)
 
(How to compile)
 
(One intermediate revision by the same user not shown)
Line 2: Line 2:
  
 
in cmake-gui select these options<br>
 
in cmake-gui select these options<br>
run cat /proc/cpuinfo and check which "sse" options are supported. Check them in cmake file<br>
+
- run cat /proc/cpuinfo and check which "sse" options are supported. Check them in cmake file<br>
 +
- edit the CMakeLists.txt file and at line 1007 put these lines
 +
                set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=sse")
 +
MESSAGE(EDIT:: mfpmath=sse)
 +
  instead of
 +
    set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
 +
  and at line 950
 +
                set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=native -mtune=native")
 +
            MESSAGE(EDIT:: -march=native -mtune=native)
 +
 
 +
  instead of  set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=i686")

Latest revision as of 10:45, 6 June 2011

How to compile

in cmake-gui select these options
- run cat /proc/cpuinfo and check which "sse" options are supported. Check them in cmake file
- edit the CMakeLists.txt file and at line 1007 put these lines

               set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=sse")

MESSAGE(EDIT:: mfpmath=sse)

 instead of 
   set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
 and at line 950 
               set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=native -mtune=native")
           	MESSAGE(EDIT:: -march=native -mtune=native)
  instead of  set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=i686")