Merge pull request #11 from CESNET/deps

CMake - Introduce mlpack dependency

Author: plnyrich

cmake/dependencies.cmake

@@ -1,6 +1,7 @@
 # Project dependencies
 find_package(Armadillo REQUIRED)
 find_package(Boost REQUIRED COMPONENTS regex serialization)
+find_package(MLPACK REQUIRED)
 find_package(OpenMP REQUIRED)
 find_package(Python3 REQUIRED COMPONENTS Development NumPy)
 

cmake/modules/FindMLPACK.cmake

@@ -0,0 +1,40 @@
+# Find the mlpack includes and library
+#
+# This module defines the following IMPORTED targets:
+#
+#  mlpack::mlpack          - The "mlpack" library, if found.
+#
+# This module will set the following variables in your project:
+#
+#  MLPACK_INCLUDE_DIRS - where to find <mlpack/core.hpp>, etc.
+#  MLPACK_FOUND        - True if the mlpack library has been found.
+
+# Use pkg-config (if available) to get the library directories and then use
+# these values as hints for find_path() and find_library() functions.
+find_package(PkgConfig QUIET)
+if (PKG_CONFIG_FOUND)
+	pkg_check_modules(PC_MLPACK QUIET mlpack)
+endif()
+
+find_path(
+	MLPACK_INCLUDE_DIR mlpack
+	HINTS ${PC_MLPACK_INCLUDEDIR} ${PC_MLPACK_INCLUDE_DIRS}
+	PATH_SUFFIXES include
+)
+
+if (PC_MLPACK_VERSION)
+	# Version extracted from pkg-config
+	set(MLPACK_VERSION_STRING ${PC_MLPACK_VERSION})
+endif()
+
+# Handle find_package() arguments (i.e. QUIETLY and REQUIRED) and set
+# MLPACK_FOUND to TRUE if all listed variables are filled.
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+	MLPACK
+	REQUIRED_VARS MLPACK_INCLUDE_DIR
+	VERSION_VAR MLPACK_VERSION_STRING
+)
+
+set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIR})
+mark_as_advanced(MLPACK_INCLUDE_DIR)