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Improve documentation. 

Alex
This commit is contained in:
Alex Neundorf 2010-08-24 22:59:01 +02:00
parent 33338781db
commit 6fc88b26b6
1 changed files with 57 additions and 21 deletions
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76
Modules/FeatureSummary.cmake
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@ -1,23 +1,65 @@
# - Macros for generating a summary of enabled/disabled features
#
# PRINT_ENABLED_FEATURES()
# Print a summary of all enabled features. By default all successfull
# FIND_PACKAGE() calls will appear here, except the ones which used the
# QUIET keyword. Additional features can be added by appending an entry
# to the global ENABLED_FEATURES property. If SET_FEATURE_INFO() is
# used for that feature, the output will be much more informative.
# FEATURE_SUMMARY( [FILENAME <file>]
# [APPEND]
# [VAR <variable_name>]
# [DESCRIPTION "Found packages:"]
# WHAT (ALL | PACKAGES_FOUND | PACKAGES_NOT_FOUND | ENABLED_FEATURES | DISABLED_FEATURES]
# )
#
# The FEATURE_SUMMARY() macro can be used to print information about enabled
# or disabled features or packages of a project.
# By default, only the names of the features/packages will be printed and their
# required version when one was specified. Use SET_FEATURE_INFO() to add more
# useful information, like e.g. a download URL for the respective package.
#
# The WHAT option is the only mandatory option. Here you specify what information
# will be printed:
# ENABLED_FEATURES: the list of all packages which have been found, excluding the QUIET ones
# DISABLED_FEATURES: the list of all packages which have not been found, excluding the QUIET ones
# PACKAGES_FOUND: the list of all packages which have been found, including the QUIET ones
# PACKAGES_NOT_FOUND: the list of all packages which have not been found, including the QUIET ones
# ALL: this will give all packages which have or have not been found
#
# If a FILENAME is given, the information is printed into this file. If APPEND
# is used, it is appended to this file, otherwise the file is overwritten if
# it already existed.
# If the VAR option is used, the information is "printed" into the specified
# variable.
# If FILENAME is not used, the information is printed to the terminal.
# Using the DESCRIPTION option a description or headline can be set which will
# be printed above the actual content.
#
# Example 1, append everything to a file:
# FEATURE_SUMMARY(WHAT ALL
# FILENAME ${CMAKE_BINARY_DIR}/all.log APPEND)
#
# Example 2, print the enabled features into the variable enabledFeaturesText:
# FEATURE_SUMMARY(WHAT ENABLED_FEATURES
# DESCRIPTION "Enabled Features:"
# VAR enabledFeaturesText)
# MESSAGE(STATUS "${enabledFeaturesText}")
#
#
# PRINT_DISABLED_FEATURES()
# Same as PRINT_ENABLED_FEATURES(), but for disabled features. It can
# be extended the same way by adding to the global property
# DISABLED_FEATURES.
#
# SET_FEATURE_INFO(NAME DESCRIPTION [URL [COMMENT] ] )
# Use this macro to set up information about the named feature, which will
# then be displayed by PRINT_ENABLED/DISABLED_FEATURES().
# Example: SET_FEATURE_INFO(LibXml2 "XML processing library."
# "http://xmlsoft.org/")
# Use this macro to set up information about the named feature, which can
# then be displayed via FEATURE_SUMMARY() or PRINT_ENABLED/DISABLED_FEATURES().
# This can be done either directly in the Find-module or in the project
# which uses the module after the FIND_PACKAGE() call.
# The features for which information can be set are added automatically by the
# find_package() command. If you want to add additional features, you can add
# them by appending them to the global ENABLED_FEATURES, DISABLED_FEATURES,
# PACKAGES_FOUND and PACKAGES_NOT_FOUND properties.
#
# Example:
# SET_FEATURE_INFO(LibXml2 "XML processing library." "http://xmlsoft.org/")
#
# PRINT_ENABLED_FEATURES()
# Does the same as FEATURE_SUMMARY(WHAT ENABLED_FEATURES DESCRIPTION "Enabled features:")
#
# PRINT_DISABLED_FEATURES()
# Does the same as FEATURE_SUMMARY(WHAT DISABLED_FEATURES DESCRIPTION "Disabled features:")
#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
@ -82,12 +124,6 @@ FUNCTION(PRINT_DISABLED_FEATURES)
FEATURE_SUMMARY(WHAT DISABLED_FEATURES DESCRIPTION "Disabled features:")
ENDFUNCTION(PRINT_DISABLED_FEATURES)
# feature_summary(FILENAME foo.log
# APPEND TRUE
# VAR <variable_name>
# DESCRIPTION "Found packages:"
# WHAT [ALL PACKAGES_FOUND PACKAGES_NOT_FOUND ENABLED_FEATURES DISABLED_FEATURES]
# )
FUNCTION(FEATURE_SUMMARY)