Add a script to download misc/data instead of relying on local data.

misc/download_unzip_faust_misc_data.cmake

+if(NOT EXISTS faust_misc_data.zip)
+	message(STATUS "Downloading FAµST misc data archive (needed for tests).")
+	file(DOWNLOAD https://gitlab.inria.fr/faustgrp/gforge_files/-/raw/master/faust_misc_data-2023-07-11.zip faust_misc_data.zip SHOW_PROGRESS)
+endif()
+if(NOT EXISTS data)
+	file(ARCHIVE_EXTRACT INPUT faust_misc_data.zip DESTINATION ${FAUST_MISC_DIR})
+endif()
+

misc/test/CMakeLists.txt

@@ -2,6 +2,8 @@
 if(BUILD_TESTING)
 	message(STATUS "TEST CMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}")
 
+	include(${FAUST_MISC_DIR}/download_unzip_faust_misc_data.cmake)
+
 #${FAUST_EXCEPTION_SRC_DIR}
 include_directories(${FAUST_SRC_LINEAR_OPERATOR_DIR} ${FAUST_LINEAR_OPERATOR_CPU_SRC_DIR} ${FAUST_ALGORITHM_CONSTRAINT_SRC_DIR} ${FAUST_ALGORITHM_FACTORIZATION_SRC_DIR} ${EIGEN_INC_DIR} ${FAUST_UTILS_SRC_DIR})
 include_directories(${FAUST_SRC_LINEAR_OPERATOR_GPU2_DIR})