diff options
| -rw-r--r-- | CMakeLists.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 3c5fda5865..2faf5f7393 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -94,14 +94,15 @@ main(void) { return 0; } -" _FORTIFY_SOURCE_ACCEPTABLE) +" HAS_ACCEPTABLE_FORTIFY) -if(NOT _FORTIFY_SOURCE_ACCEPTABLE) +if(NOT HAS_ACCEPTABLE_FORTIFY) + message(STATUS "Unsupported _FORTIFY_SOURCE found, forcing _FORTIFY_SOURCE=1.") # Extract possible prefix to _FORTIFY_SOURCE (e.g. -Wp,-D_FORTIFY_SOURCE). STRING(REGEX MATCH "[^\ ]+-D_FORTIFY_SOURCE" _FORTIFY_SOURCE_PREFIX "${CMAKE_C_FLAGS}") STRING(REPLACE "-D_FORTIFY_SOURCE" "" _FORTIFY_SOURCE_PREFIX "${_FORTIFY_SOURCE_PREFIX}" ) if (NOT _FORTIFY_SOURCE_PREFIX STREQUAL "") - message(STATUS "Detected _FORTIFY_SOURCE Prefix=${_FORTIFY_SOURCE_PREFIX}") + message(STATUS "Detected _FORTIFY_SOURCE Prefix=${_FORTIFY_SOURCE_PREFIX}.") endif() # -U in add_definitions doesn't end up in the correct spot, so we add it to # the flags variable instead. |