add cmake integration

CMakeLists.txt

@@ -0,0 +1,4 @@
+add_library(ac-test-data-whisper INTERFACE)
+add_library(ac-test-data::whisper ALIAS ac-test-data-whisper)
+configure_file(ac-test-data-whisper-dir.in.h "${PROJECT_SOURCE_DIR}/gen/ac-test-data-whisper-dir.h")
+target_include_directories(ac-test-data-whisper INTERFACE "${PROJECT_SOURCE_DIR}/gen")

ac-test-data-whisper-dir.in.h

@@ -0,0 +1,2 @@
+#pragma once
+#define AC_TEST_DATA_WHISPER_DIR "@CMAKE_CURRENT_SOURCE_DIR@"