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| author | Bill Hoffman <bill.hoffman@kitware.com> | 2008-01-10 21:22:52 (GMT) |
|---|---|---|
| committer | Bill Hoffman <bill.hoffman@kitware.com> | 2008-01-10 21:22:52 (GMT) |
| commit | f61305e88c060c2a0b9f40bd815e49112771db14 (patch) | |
| tree | f85b9cb977229fe07033655b96078bf78594d679 | |
| parent | d92d51429edf07cc07c9da44c2d43927a6110f94 (diff) | |
| download | CMake-f61305e88c060c2a0b9f40bd815e49112771db14.zip CMake-f61305e88c060c2a0b9f40bd815e49112771db14.tar.gz CMake-f61305e88c060c2a0b9f40bd815e49112771db14.tar.bz2 | |
BUG: fix for bug 4145 much better findSwig
| -rw-r--r-- | Modules/FindSWIG.cmake | 88 |
1 files changed, 48 insertions, 40 deletions
diff --git a/Modules/FindSWIG.cmake b/Modules/FindSWIG.cmake index 3694ae9..e1f9d74 100644 --- a/Modules/FindSWIG.cmake +++ b/Modules/FindSWIG.cmake @@ -3,46 +3,54 @@ # SWIG_FOUND - set to true if SWIG is found # SWIG_DIR - the directory where swig is installed # SWIG_EXECUTABLE - the path to the swig executable +# SWIG_VERSION - the version number of the swig executable +# +# All informations are collected from the SWIG_EXECUTABLE so the +# version to be found can be changed from the command line by +# means of setting SWIG_EXECUTABLE +# -SET(SWIG_FOUND FOOBAR) -FIND_PATH(SWIG_DIR - SWIGConfig.cmake - /usr/share/swig1.3 - /usr/lib/swig1.3 - /usr/local/share/swig1.3) -FIND_PATH(SWIG_DIR - swig.swg - /usr/share/swig1.3 - /usr/lib/swig1.3 - /usr/local/share/swig1.3) -IF(EXISTS ${SWIG_DIR}) - IF("x${SWIG_DIR}x" STREQUAL "x${CMAKE_ROOT}/Modulesx") - MESSAGE("SWIG_DIR should not be modules subdirectory of CMake") - ENDIF("x${SWIG_DIR}x" STREQUAL "x${CMAKE_ROOT}/Modulesx") +SET(SWIG_FOUND FALSE) - IF(EXISTS ${SWIG_DIR}/SWIGConfig.cmake) - INCLUDE(${SWIG_DIR}/SWIGConfig.cmake) - SET(SWIG_FOUND 1) - ELSE(EXISTS ${SWIG_DIR}/SWIGConfig.cmake) - FIND_PROGRAM(SWIG_EXECUTABLE - NAMES swig-1.3 swig - PATHS ${SWIG_DIR} ${SWIG_DIR}/.. ${SWIG_DIR}/../../bin /usr/bin /usr/local/bin ) - SET(SWIG_USE_FILE ${CMAKE_ROOT}/Modules/UseSWIG.cmake) - ENDIF(EXISTS ${SWIG_DIR}/SWIGConfig.cmake) -ENDIF(EXISTS ${SWIG_DIR}) +FIND_PROGRAM(SWIG_EXECUTABLE swig) -IF("x${SWIG_FOUND}x" STREQUAL "xFOOBARx") - SET(SWIG_FOUND 0) - IF(EXISTS ${SWIG_DIR}) - IF(EXISTS ${SWIG_USE_FILE}) - IF(EXISTS ${SWIG_EXECUTABLE}) - SET(SWIG_FOUND 1) - ENDIF(EXISTS ${SWIG_EXECUTABLE}) - ENDIF(EXISTS ${SWIG_USE_FILE}) - ENDIF(EXISTS ${SWIG_DIR}) - IF(NOT ${SWIG_FOUND}) - IF(${SWIG_FIND_REQUIRED}) - MESSAGE(FATAL_ERROR "Swig was not found on the system. Please specify the location of Swig.") - ENDIF(${SWIG_FIND_REQUIRED}) - ENDIF(NOT ${SWIG_FOUND}) -ENDIF("x${SWIG_FOUND}x" STREQUAL "xFOOBARx") +IF(SWIG_EXECUTABLE) + EXECUTE_PROCESS(COMMAND ${SWIG_EXECUTABLE} -swiglib + OUTPUT_VARIABLE SWIG_swiglib_output + ERROR_VARIABLE SWIG_swiglib_error + RESULT_VARIABLE SWIG_swiglib_result) + + IF(SWIG_swiglib_result) + MESSAGE(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -swiglib\" failed with output:\n${SWIG_swiglib_error}") + ELSE(SWIG_swiglib_result) + STRING(REGEX REPLACE "[\n\r]+" ";" SWIG_swiglib_output ${SWIG_swiglib_output}) + # force the path to be computed each time in case SWIG_EXECUTABLE has changed. + SET(SWIG_DIR SWIG_DIR-NOTFOUND) + FIND_PATH(SWIG_DIR swig.swg PATHS ${SWIG_swiglib_output}) + IF(SWIG_DIR) + SET(SWIG_FOUND 1) + SET(SWIG_USE_FILE ${CMAKE_ROOT}/Modules/UseSWIG.cmake) + EXECUTE_PROCESS(COMMAND ${SWIG_EXECUTABLE} -version + OUTPUT_VARIABLE SWIG_version_output + ERROR_VARIABLE SWIG_version_output + RESULT_VARIABLE SWIG_version_result) + IF(SWIG_version_result) + MESSAGE(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -version\" failed with output:\n${SWIG_version_output}") + ELSE(SWIG_version_result) + STRING(REGEX REPLACE ".*SWIG Version[^0-9.]*\([0-9.]+\).*" "\\1" + SWIG_version_output "${SWIG_version_output}") + SET(SWIG_VERSION ${SWIG_version_output} CACHE STRING "Swig version" FORCE) + ENDIF(SWIG_version_result) + ENDIF(SWIG_DIR) + ENDIF(SWIG_swiglib_result) +ENDIF(SWIG_EXECUTABLE) + +IF(NOT SWIG_FOUND) + IF(NOT SWIG_FIND_QUIETLY) + IF(SWIG_FIND_REQUIRED) + MESSAGE(FATAL_ERROR "SWIG was not found. Please specify Swig executable location") + ELSE(SWIG_FIND_REQUIRED) + MESSAGE(STATUS "SWIG was not found. Please specify Swig executable location") + ENDIF(SWIG_FIND_REQUIRED) + ENDIF(NOT SWIG_FIND_QUIETLY) +ENDIF(NOT SWIG_FOUND) |