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FindAPR.cmake 4.39 KiB
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# - Try to find APR, the Apache Portable Runtime Library
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# Once done this will define
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#
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#  APR_FOUND - System has APR
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#  APR_INCLUDE_DIR - The APR include directory
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#  APR_LIBRARIES - The libraries needed to use APR
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#  APR_DEFINITIONS - Compiler switches required for using APR
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#
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#
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# Setting the var
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#  APR_ALTLOCATION
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#  will enforce the search for the libraries/executables in a different place
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#  with respect to the eventual system-wide setup
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#=============================================================================
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# By Fabrizio Furano (CERN IT/GT), Oct 2010
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IF (APR_INCLUDE_DIR AND APR_LIBRARIES)
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  # in cache already
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  SET(APR_FIND_QUIETLY TRUE)
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ENDIF (APR_INCLUDE_DIR AND APR_LIBRARIES)
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IF (NOT WIN32)
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  # use pkg-config to get the directories and then use these values
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  # in the FIND_PATH() and FIND_LIBRARY() calls
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  if (NOT LIBDESTINATION)
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    set(LIBDESTINATION "lib")
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  endif()
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  FIND_PACKAGE(PkgConfig)
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  IF (APR_ALTLOCATION)
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    set( ENV{PKG_CONFIG_PATH} "${APR_ALTLOCATION}/${LIBDESTINATION}/pkgconfig:${APRUTIL_ALTLOCATION}/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}" )
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    MESSAGE(STATUS "Looking for APR package in $ENV{PKG_CONFIG_PATH}")
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  ENDIF()
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  PKG_CHECK_MODULES(PC_APR apr-1)
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  foreach(i ${PC_ACTIVEMQCPP_CFLAGS_OTHER})
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    message(STATUS "${i}")
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    SET(APR_DEFINITIONS "${APR_DEFINITIONS} ${i}")
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  endforeach()
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  foreach(i ${PC_ACTIVEMQCPP_LDFLAGS})
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    message(STATUS "${i}")
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    SET(APR_LINKDEFINITIONS "${APR_LINKDEFINITIONS} ${i}")
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  endforeach()
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#  SET(APR_DEFINITIONS ${PC_APR_CFLAGS_OTHER})
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  SET(APR_VERSION ${PC_APR_VERSION})
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ENDIF (NOT WIN32)
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IF (NOT APR_ALTLOCATION)
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  SET(APR_ALTLOCATION "" CACHE PATH "An alternate forced location for APR")
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ENDIF()
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# Find the includes, by giving priority to APR_ALTLOCATION, if set
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IF (APR_ALTLOCATION)
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  find_path(APR_INCLUDE_DIR apr.h DOC "Path to the APR include file"
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    HINTS
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    ${APR_ALTLOCATION}
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    ${APR_ALTLOCATION}/include
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    ${APR_ALTLOCATION}/include/*
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    NO_SYSTEM_ENVIRONMENT_PATH
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) IF(APR_INCLUDE_DIR) MESSAGE(STATUS "APR includes found in ${APR_INCLUDE_DIR}") else() MESSAGE(FATAL_ERROR "APR includes not found. You may want to suggest a location by using -DAPR_ALTLOCATION=<location of APR>") ENDIF() ENDIF (APR_ALTLOCATION) # Now look in the system wide places, if not yet found find_path(APR_INCLUDE_DIR apr.h DOC "Path to the APR include file" HINTS ${PC_APR_INCLUDEDIR} ${PC_APR_INCLUDE_DIRS} ${PC_APR_INCLUDEDIR}/* ) IF(APR_INCLUDE_DIR) MESSAGE(STATUS "APR includes found in ${APR_INCLUDE_DIR}") else() MESSAGE(FATAL_ERROR "APR includes not found. You may want to suggest a location by using -DAPR_ALTLOCATION=<location of APR>") ENDIF() # Find the libs, by giving priority to APR_ALTLOCATION, if set IF (APR_ALTLOCATION) find_library(APR_LIBRARIES NAMES apr-1 DOC "Path to the apr-1 library" HINTS ${APR_ALTLOCATION}/lib NO_SYSTEM_ENVIRONMENT_PATH ) IF(APR_LIBRARIES) MESSAGE(STATUS "apr-1 lib found in ${APR_LIBRARIES}") else() MESSAGE(FATAL_ERROR "apr-1 lib not found. You may want to suggest a location by using -DAPR_ALTLOCATION=<location of APR>") ENDIF() ENDIF (APR_ALTLOCATION) # Now look in the system wide places, if not yet found FIND_LIBRARY(APR_LIBRARIES NAMES apr-1 DOC "Path to the apr-1 library" HINTS ${PC_APR_LIBDIR} ${PC_APR_LIBRARY_DIRS} ) IF(APR_LIBRARIES) MESSAGE(STATUS "apr-1 lib found in ${APR_LIBRARIES}") else() MESSAGE(FATAL_ERROR "apr-1 lib not found. You may want to suggest a location by using -DAPR_ALTLOCATION=<location of APR>") ENDIF() # # Version checking # if(APR_FIND_VERSION AND APR_VERSION) if(APR_FIND_VERSION_EXACT) if(NOT APR_VERSION VERSION_EQUAL ${APR_FIND_VERSION}) MESSAGE(FATAL_ERROR "Found APR ${APR_VERSION} != ${APR_FIND_VERSION}") endif() else() # version is too low if(NOT APR_VERSION VERSION_EQUAL ${APR_FIND_VERSION} AND NOT APR_VERSION VERSION_GREATER ${APR_FIND_VERSION}) MESSAGE(FATAL_ERROR "Found APR ${APR_VERSION} < ${APR_FIND_VERSION} (Minimum required). You may want to suggest a location by using -DAPR_ALTLOCATION=<location of APR>") endif()
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endif() endif() INCLUDE(FindPackageHandleStandardArgs) # handle the QUIETLY and REQUIRED arguments and set APR_FOUND to TRUE if # all listed variables are TRUE FIND_PACKAGE_HANDLE_STANDARD_ARGS(APR DEFAULT_MSG APR_LIBRARIES APR_INCLUDE_DIR) MARK_AS_ADVANCED(APR_INCLUDE_DIR APR_LIBRARIES)