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include (CheckCSourceCompiles)
include (CMakePushCheckState)
## Directly control the options passed to -fsanitize
set (MONGO_SANITIZE "" CACHE STRING "Semicolon/comma-separated list of sanitizers to apply when building")
# Replace commas with semicolons for the genex
string(REPLACE ";" "," _sanitize "${MONGO_SANITIZE}")
if (_sanitize)
string (MAKE_C_IDENTIFIER "HAVE_SANITIZE_${_sanitize}" ident)
string (TOUPPER "${ident}" varname)
set (flag "-fsanitize=${_sanitize}")
cmake_push_check_state ()
set (CMAKE_REQUIRED_FLAGS "${flag}")
set (CMAKE_REQUIRED_LIBRARIES "${flag}")
check_c_source_compiles ([[
#include <stdio.h>
int main (void) {
puts ("Hello, world!");
return 0;
}
]] "${varname}")
cmake_pop_check_state ()
if (NOT "${${varname}}")
message (SEND_ERROR "Requested sanitizer option '${flag}' is not supported by the compiler+linker")
else ()
message (STATUS "Building with ${flag}")
add_compile_options ("${flag}")
link_libraries ("${flag}")
endif ()
endif ()
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