pmem
fix CMakeLists.txt bug
Lookup path of version map: ${CMAKE_SOURCE_DIR} -> ${CMAKE_CURRRENT_SOURCE_DIR}
This leads to version map lookup fail if syscall_intercept is embedded within another cmake-based project.
I just put syscall_intercept under ${project}/lib/syscall_intercept, and add "lib/syscall_intercept" as a subdirectory of my project. Run cmake and it told me version map not found. It turns out ${CMAKE_SOURCE_DIR} is evaluated to ${project}, while ${CMAKE_CURRENT_SOURCE_DIR} can be properly evaluated to ${project}/lib/syscall_intercept.
Sorry, because after read the README again, I felt not sure whether this lib is intended to be embedded directly within another cmake project. Generally when I want to use a cmake lib I just clone it and write a "add_subdirectory" in my CMakeLists.txt. Under most circumstance this will just work, so for a cmake lib I actually rarely read its README...😂. After reading the README, its detailed instruction about how to set the lib up, I thought maybe I made a mistake?😖