In case we are building against a kernel that is too old and does not support SYS_getrandom, error out with a message indicating so.
Signed-off-by: Florian Fainelli <f.faine...@gmail.com> --- CMakeLists.txt | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 6cf0c934aac6..9033493c7a3b 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) -- 2.9.3 _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
