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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindArmadillo
# -------------
#
# Find Armadillo
#
# Find the Armadillo C++ library
#
# Using Armadillo:
#
# ::
#
# find_package(Armadillo REQUIRED)
# include_directories(${ARMADILLO_INCLUDE_DIRS})
# add_executable(foo foo.cc)
# target_link_libraries(foo ${ARMADILLO_LIBRARIES})
#
# This module sets the following variables:
#
# ::
#
# ARMADILLO_FOUND - set to true if the library is found
# ARMADILLO_INCLUDE_DIRS - list of required include directories
# ARMADILLO_LIBRARIES - list of libraries to be linked
# ARMADILLO_VERSION_MAJOR - major version number
# ARMADILLO_VERSION_MINOR - minor version number
# ARMADILLO_VERSION_PATCH - patch version number
# ARMADILLO_VERSION_STRING - version number as a string (ex: "1.0.4")
# ARMADILLO_VERSION_NAME - name of the version (ex: "Antipodean Antileech")
# UNIX paths are standard, no need to write.
find_library(ARMADILLO_LIBRARY
NAMES armadillo
PATHS "$ENV{ProgramFiles}/Armadillo/lib" "$ENV{ProgramFiles}/Armadillo/lib64" "$ENV{ProgramFiles}/Armadillo"
)
find_path(ARMADILLO_INCLUDE_DIR
NAMES armadillo
PATHS "$ENV{ProgramFiles}/Armadillo/include"
)
if(ARMADILLO_INCLUDE_DIR)
# ------------------------------------------------------------------------
# Extract version information from <armadillo>
# ------------------------------------------------------------------------
# WARNING: Early releases of Armadillo didn't have the arma_version.hpp file.
# (e.g. v.0.9.8-1 in ubuntu maverick packages (2001-03-15))
# If the file is missing, set all values to 0
set(ARMADILLO_VERSION_MAJOR 0)
set(ARMADILLO_VERSION_MINOR 0)
set(ARMADILLO_VERSION_PATCH 0)
set(ARMADILLO_VERSION_NAME "EARLY RELEASE")
if(EXISTS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/arma_version.hpp")
# Read and parse armdillo version header file for version number
file(STRINGS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/arma_version.hpp" _armadillo_HEADER_CONTENTS REGEX "#define ARMA_VERSION_[A-Z]+ ")
string(REGEX REPLACE ".*#define ARMA_VERSION_MAJOR ([0-9]+).*" "\\1" ARMADILLO_VERSION_MAJOR "${_armadillo_HEADER_CONTENTS}")
string(REGEX REPLACE ".*#define ARMA_VERSION_MINOR ([0-9]+).*" "\\1" ARMADILLO_VERSION_MINOR "${_armadillo_HEADER_CONTENTS}")
string(REGEX REPLACE ".*#define ARMA_VERSION_PATCH ([0-9]+).*" "\\1" ARMADILLO_VERSION_PATCH "${_armadillo_HEADER_CONTENTS}")
# WARNING: The number of spaces before the version name is not one.
string(REGEX REPLACE ".*#define ARMA_VERSION_NAME +\"([0-9a-zA-Z _-]+)\".*" "\\1" ARMADILLO_VERSION_NAME "${_armadillo_HEADER_CONTENTS}")
unset(_armadillo_HEADER_CONTENTS)
endif()
set(ARMADILLO_VERSION_STRING "${ARMADILLO_VERSION_MAJOR}.${ARMADILLO_VERSION_MINOR}.${ARMADILLO_VERSION_PATCH}")
endif ()
#======================
# Checks 'REQUIRED', 'QUIET' and versions.
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(Armadillo
REQUIRED_VARS ARMADILLO_LIBRARY ARMADILLO_INCLUDE_DIR
VERSION_VAR ARMADILLO_VERSION_STRING)
# version_var fails with cmake < 2.8.4.
if (ARMADILLO_FOUND)
set(ARMADILLO_INCLUDE_DIRS ${ARMADILLO_INCLUDE_DIR})
set(ARMADILLO_LIBRARIES ${ARMADILLO_LIBRARY})
endif ()
# Hide internal variables
mark_as_advanced(
ARMADILLO_INCLUDE_DIR
ARMADILLO_LIBRARY)
#======================
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