Move the definition of the dependencies in a separate file

cmake/OsqpEigenDependencies.cmake

+# Copyright (C) 2019 Istituto Italiano di Tecnologia (IIT). All rights reserved.
+# This software may be modified and distributed under the terms of the
+# GNU Lesser General Public License v2.1 or any later version.
+#
+# This software may be modified and distributed under the terms of the
+# BSD-3-Clause license. See the accompanying LICENSE file for details.
+
+include(OsqpEigenFindOptionalDependencies)
+
+#---------------------------------------------
+## Required Dependencies
+find_package(Eigen3 3.2.92 REQUIRED)
+find_package(osqp REQUIRED)
+
+#---------------------------------------------
+## Optional Dependencies
+find_package(Catch2 QUIET)
+checkandset_optional_dependency(Catch2)
+
+find_package(VALGRIND QUIET)
+checkandset_optional_dependency(VALGRIND)

cmake/OsqpEigenFindDependencies.cmake → cmake/OsqpEigenFindOptionalDependencies.cmake

@@ -30,7 +30,7 @@
 include(CMakeDependentOption)
 
 # Check if a package is installed and set some cmake variables
-macro(checkandset_dependency package)
+macro(checkandset_optional_dependency package)
 
   set(PREFIX "OSQPEIGEN")
 
@@ -113,11 +113,3 @@ macro(OSQPEIGEN_DEPENDENT_OPTION _option _doc _default _deps _force)
   endif()
 
 endmacro()
-
-
-
-################################################################################
-# Find all packages
-
-find_package(Eigen3 3.2.92 REQUIRED)
-find_package(osqp REQUIRED)