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# Find module for LatexMk
#
# This module honors the following input variables:
# LATEXMK_ROOT
# Directory to take the latexmk executable from
# LATEXMK_DIR
# Alternative variable instead of LATEXMK_ROOT
#
# The module checks for the presence of the LatexMk executable
# and sets the following variables:
#
# LATEXMK_FOUND
# Whether the latexmk executable was found on the system
# LATEXMK_EXECUTABLE
# The full path of the found latexmk executable
# LATEXMK_VERSION_STRING
# A well readable string of the latexmk version.
# LATEXMK_VERSION_MAJOR
# The major version of the latexmk executable
# LATEXMK_VERSION_MINOR
# The minor version of the latexmk executable
#
# Copyright (c) 2017, Dominic Kempf, Steffen Müthing
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * 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.
#
# * Neither the name of the Universität Heidelberg 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
#
# Find the actual program
find_program(LATEXMK_EXECUTABLE
latexmk
PATHS ${LATEXMK_ROOT}
${LATEXMK_DIR}
)
# If found, figure out a version
if(LATEXMK_EXECUTABLE)
execute_process(COMMAND ${LATEXMK_EXECUTABLE} --version
OUTPUT_VARIABLE LATEXMK_VERSION_LINE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX MATCH "Version.*$" LATEXMK_VERSION_STRING "${LATEXMK_VERSION_LINE}")
string(REGEX REPLACE "([0-9]+)\\." "\\1" LATEXMK_VERSION_MINOR "${LATEXMK_VERSION_STRING}")
string(REGEX REPLACE "[0-9]+\\.([0-9a-z]+)" "\\1" LATEXMK_VERSION_MAJOR "${LATEXMK_VERSION_STRING}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LatexMk
FOUND_VAR LATEXMK_FOUND
REQUIRED_VARS LATEXMK_EXECUTABLE
VERSION_VAR LATEXMK_VERSION_STRING)
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