diff options
| -rw-r--r-- | CMakeLists.txt | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 6cf0c93..9033493 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -16,10 +16,17 @@ IF(DEBUG) ADD_DEFINITIONS(-DDEBUG -g3) ENDIF() -ADD_EXECUTABLE(getrandom getrandom.c) -INSTALL(TARGETS getrandom - RUNTIME DESTINATION bin -) +INCLUDE (CheckSymbolExists) +CHECK_SYMBOL_EXISTS(SYS_getrandom sycall.h getrandom) + +IF(getrandom) + ADD_EXECUTABLE(getrandom getrandom.c) + INSTALL(TARGETS getrandom + RUNTIME DESTINATION bin + ) +ELSE() + message( FATAL_ERROR "Kernel too old, missing SYS_getrandom system call") +ENDIF() ADD_EXECUTABLE(kmodloader kmodloader.c) TARGET_LINK_LIBRARIES(kmodloader ubox) |