Recover cmake Modules

cmake/Modules/FindGNSSSIMULATOR.cmake

@@ -0,0 +1,30 @@
+# Copyright (C) 2011-2018 (see AUTHORS file for a list of contributors)
+#
+# This file is part of GNSS-SDR.
+#
+# GNSS-SDR is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# GNSS-SDR is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
+
+find_program(SW_GENERATOR_BIN gnss_sim
+    PATHS /usr/bin
+          /usr/local/bin
+          /opt/local/bin
+          ${CMAKE_INSTALL_PREFIX}/bin
+          ${GNSSSIMULATOR_ROOT}/bin
+          $ENV{GNSSSIMULATOR_ROOT}/bin
+    PATH_SUFFIXES bin
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GNSSSIMULATOR DEFAULT_MSG SW_GENERATOR_BIN)
+mark_as_advanced(SW_GENERATOR_BIN)