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gnss-sdr/cmake/Modules/FindGNUPLOT.cmake

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1.6 KiB
CMake

# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
# This file is part of GNSS-SDR.
#
# SPDX-FileCopyrightText: 2021 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-License-Identifier: BSD-3-Clause
find_program(GNUPLOT_EXECUTABLE
NAMES
gnuplot
pgnuplot
PATHS
/usr/bin
/usr/local/bin
/opt/local/bin
ONLY_CMAKE_FIND_ROOT_PATH
)
if(NOT CMAKE_CROSSCOMPILING)
if(GNUPLOT_EXECUTABLE)
execute_process(COMMAND "${GNUPLOT_EXECUTABLE}" --version
OUTPUT_VARIABLE GNUPLOT_OUTPUT_VARIABLE
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "^gnuplot ([0-9\\.]+)( patchlevel )?" "\\1." GNUPLOT_VERSION_STRING "${GNUPLOT_OUTPUT_VARIABLE}")
string(REGEX REPLACE "\\.$" "" GNUPLOT_VERSION_STRING "${GNUPLOT_VERSION_STRING}")
unset(GNUPLOT_OUTPUT_VARIABLE)
endif()
else()
if(GNUPLOT_EXECUTABLE)
if(CMAKE_SYSROOT)
string(REGEX REPLACE "${CMAKE_SYSROOT}" "" GNUPLOT_EXECUTABLE "${GNUPLOT_EXECUTABLE}")
elseif(DEFINED ENV{OECORE_TARGET_SYSROOT})
string(REGEX REPLACE "$ENV{OECORE_TARGET_SYSROOT}" "" GNUPLOT_EXECUTABLE "${GNUPLOT_EXECUTABLE}")
endif()
else()
message(STATUS "Warning: Gnuplot is not found, you can install it later.")
message(STATUS " Setting default path to /usr/bin/gnuplot")
set(GNUPLOT_EXECUTABLE "/usr/bin/gnuplot")
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GNUPLOT DEFAULT_MSG GNUPLOT_EXECUTABLE)