Difference between revisions of "Opencv"
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(→How to compile) |
(→How to compile) |
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| Line 8: | Line 8: | ||
instead of | instead of | ||
set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=387") | set(EXTRA_C_FLAGS_RELEASE "${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")
