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+# This file defines the Feature Logging macros.
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+#
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+# MACRO_LOG_FEATURE(VAR FEATURE DESCRIPTION URL [REQUIRED [MIN_VERSION [COMMENTS]]])
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+# Logs the information so that it can be displayed at the end
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+# of the configure run
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+# VAR : TRUE or FALSE, indicating whether the feature is supported
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+# FEATURE: name of the feature, e.g. "libjpeg"
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+# DESCRIPTION: description what this feature provides
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+# URL: home page
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+# REQUIRED: TRUE or FALSE, indicating whether the featue is required
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+# MIN_VERSION: minimum version number. empty string if unneeded
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+# COMMENTS: More info you may want to provide. empty string if unnecessary
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+#
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+# MACRO_DISPLAY_FEATURE_LOG()
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+# Call this to display the collected results.
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+# Exits CMake with a FATAL error message if a required feature is missing
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+#
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+# Example:
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+#
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+# INCLUDE(MacroLogFeature)
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+#
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+# FIND_PACKAGE(JPEG)
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+# MACRO_LOG_FEATURE(JPEG_FOUND "libjpeg" "Support JPEG images" "http://www.ijg.org" TRUE "3.2a" "")
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+# ...
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+# MACRO_DISPLAY_FEATURE_LOG()
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+
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+# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
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+# Copyright (c) 2006, Allen Winter, <winter@kde.org>
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+# Copyright (c) 2009, Sebastian Trueg, <trueg@kde.org>
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+#
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+# Redistribution and use is allowed according to the terms of the BSD license.
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+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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+
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+IF (NOT _macroLogFeatureAlreadyIncluded)
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+ SET(_file ${CMAKE_BINARY_DIR}/MissingRequirements.txt)
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+ IF (EXISTS ${_file})
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+ FILE(REMOVE ${_file})
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+ ENDIF (EXISTS ${_file})
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+
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+ SET(_file ${CMAKE_BINARY_DIR}/EnabledFeatures.txt)
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+ IF (EXISTS ${_file})
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+ FILE(REMOVE ${_file})
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+ ENDIF (EXISTS ${_file})
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+
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+ SET(_file ${CMAKE_BINARY_DIR}/DisabledFeatures.txt)
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+ IF (EXISTS ${_file})
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+ FILE(REMOVE ${_file})
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+ ENDIF (EXISTS ${_file})
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+
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+ SET(_macroLogFeatureAlreadyIncluded TRUE)
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+
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+ INCLUDE(FeatureSummary)
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+
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+ENDIF (NOT _macroLogFeatureAlreadyIncluded)
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+
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+
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+MACRO(MACRO_LOG_FEATURE _var _package _description _url ) # _required _minvers _comments)
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+
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+ STRING(TOUPPER "${ARGV4}" _required)
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+ SET(_minvers "${ARGV5}")
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+ SET(_comments "${ARGV6}")
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+
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+ IF (${_var})
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+ SET(_LOGFILENAME ${CMAKE_BINARY_DIR}/EnabledFeatures.txt)
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+ ELSE (${_var})
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+ IF ("${_required}" STREQUAL "TRUE")
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+ SET(_LOGFILENAME ${CMAKE_BINARY_DIR}/MissingRequirements.txt)
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+ ELSE ("${_required}" STREQUAL "TRUE")
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+ SET(_LOGFILENAME ${CMAKE_BINARY_DIR}/DisabledFeatures.txt)
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+ ENDIF ("${_required}" STREQUAL "TRUE")
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+ ENDIF (${_var})
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+
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+ SET(_logtext " * ${_package}")
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+
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+ IF (NOT ${_var})
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+ IF (${_minvers} MATCHES ".*")
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+ SET(_logtext "${_logtext} (${_minvers} or higher)")
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+ ENDIF (${_minvers} MATCHES ".*")
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+ SET(_logtext "${_logtext} <${_url}>\n ")
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+ ELSE (NOT ${_var})
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+ SET(_logtext "${_logtext} - ")
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+ ENDIF (NOT ${_var})
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+
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+ SET(_logtext "${_logtext}${_description}")
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+
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+ IF (NOT ${_var})
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+ IF (${_comments} MATCHES ".*")
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+ SET(_logtext "${_logtext}\n ${_comments}")
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+ ENDIF (${_comments} MATCHES ".*")
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+# SET(_logtext "${_logtext}\n") #double-space missing features?
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+ ENDIF (NOT ${_var})
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+
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+ FILE(APPEND "${_LOGFILENAME}" "${_logtext}\n")
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+
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+ IF(COMMAND SET_PACKAGE_INFO) # in FeatureSummary.cmake since CMake 2.8.3
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+ SET_PACKAGE_INFO("${_package}" "\"${_description}\"" "${_url}" "\"${_comments}\"")
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+ ENDIF(COMMAND SET_PACKAGE_INFO)
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+
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+ENDMACRO(MACRO_LOG_FEATURE)
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+
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+
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+MACRO(MACRO_DISPLAY_FEATURE_LOG)
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+ IF(COMMAND FEATURE_SUMMARY) # in FeatureSummary.cmake since CMake 2.8.3
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+ FEATURE_SUMMARY(FILENAME ${CMAKE_CURRENT_BINARY_DIR}/FindPackageLog.txt
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+ WHAT ALL)
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+ ENDIF(COMMAND FEATURE_SUMMARY)
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+
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+ SET(_missingFile ${CMAKE_BINARY_DIR}/MissingRequirements.txt)
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+ SET(_enabledFile ${CMAKE_BINARY_DIR}/EnabledFeatures.txt)
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+ SET(_disabledFile ${CMAKE_BINARY_DIR}/DisabledFeatures.txt)
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+
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+ IF (EXISTS ${_missingFile} OR EXISTS ${_enabledFile} OR EXISTS ${_disabledFile})
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+ SET(_printSummary TRUE)
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+ ENDIF (EXISTS ${_missingFile} OR EXISTS ${_enabledFile} OR EXISTS ${_disabledFile})
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+
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+ IF(_printSummary)
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+ SET(_missingDeps 0)
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+ IF (EXISTS ${_enabledFile})
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+ FILE(READ ${_enabledFile} _enabled)
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+ FILE(REMOVE ${_enabledFile})
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+ SET(_summary "${_summary}\n-----------------------------------------------------------------------------\n-- The following external packages were located on your system.\n-- This installation will have the extra features provided by these packages.\n-----------------------------------------------------------------------------\n${_enabled}")
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+ ENDIF (EXISTS ${_enabledFile})
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+
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+
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+ IF (EXISTS ${_disabledFile})
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+ SET(_missingDeps 1)
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+ FILE(READ ${_disabledFile} _disabled)
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+ FILE(REMOVE ${_disabledFile})
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+ SET(_summary "${_summary}\n-----------------------------------------------------------------------------\n-- The following OPTIONAL packages could NOT be located on your system.\n-- Consider installing them to enable more features from this software.\n-----------------------------------------------------------------------------\n${_disabled}")
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+ ENDIF (EXISTS ${_disabledFile})
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+
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+
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+ IF (EXISTS ${_missingFile})
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+ SET(_missingDeps 1)
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+ FILE(READ ${_missingFile} _requirements)
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+ SET(_summary "${_summary}\n-----------------------------------------------------------------------------\n-- The following REQUIRED packages could NOT be located on your system.\n-- You must install these packages before continuing.\n-----------------------------------------------------------------------------\n${_requirements}")
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+ FILE(REMOVE ${_missingFile})
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+ SET(_haveMissingReq 1)
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+ ENDIF (EXISTS ${_missingFile})
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+
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+
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+ IF (NOT ${_missingDeps})
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+ SET(_summary "${_summary}\n-----------------------------------------------------------------------------\n-- Congratulations! All external packages have been found.")
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+ ENDIF (NOT ${_missingDeps})
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+
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+
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+ MESSAGE(${_summary})
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+ MESSAGE("-----------------------------------------------------------------------------\n")
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+
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+
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+ IF(_haveMissingReq)
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+ MESSAGE(FATAL_ERROR "Exiting: Missing Requirements")
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+ ENDIF(_haveMissingReq)
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+
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+ ENDIF(_printSummary)
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+
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+ENDMACRO(MACRO_DISPLAY_FEATURE_LOG)
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Daniel Molkentin