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#.rst:
# FindPerlModules
# ---------------
#
# Check that Perl has certain modules available.
#
# If PERL_EXECUTABLE is set, uses that, otherwise calls the Perl find module.
#
# To use, pass the perl module names (in the form you would use in a Perl
# ``use`` statement) as components.
#
# This will define the following variables:
#
# ``Perl_<module>_FOUND``
# True if the given Perl module could be loaded by Perl
#
# where ``<module>`` is either the name passed as a component, or a version
# with ``::`` replaced by ``_``.
# Copyright 2015 Alex Merry <alex.merry@kde.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
if (NOT PERL_EXECUTABLE)
find_package(Perl)
endif ()
include(FindPackageHandleStandardArgs)
if (PERL_EXECUTABLE)
set(PerlModules_all_modules_found TRUE)
foreach (_comp ${PerlModules_FIND_COMPONENTS})
execute_process(
COMMAND ${PERL_EXECUTABLE} -e "use ${_comp}"
RESULT_VARIABLE _result
OUTPUT_QUIET
ERROR_QUIET
)
if (_result EQUAL 0)
set(PerlModules_${_comp}_FOUND TRUE)
else ()
set(PerlModules_${_comp}_FOUND FALSE)
set(PerlModules_all_modules_found FALSE)
endif ()
endforeach ()
endif ()
find_package_handle_standard_args(PerlModules
FOUND_VAR
PerlModules_FOUND
REQUIRED_VARS
PerlModules_all_modules_found
HANDLE_COMPONENTS
)
include(FeatureSummary)
set_package_properties(PerlModules PROPERTIES
URL "http://www.cpan.org"
)
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