diff --git a/configure b/configure index bdbd097c84..35147adc8e 100755 --- a/configure +++ b/configure @@ -342,6 +342,7 @@ rdma="" gprof="no" debug_tcg="no" debug="no" +sanitizers="no" fortify_source="" strip_opt="yes" tcg_interpreter="no" @@ -993,6 +994,10 @@ for opt do strip_opt="no" fortify_source="no" ;; + --enable-sanitizers) sanitizers="yes" + ;; + --disable-sanitizers) sanitizers="no" + ;; --enable-sparse) sparse="yes" ;; --disable-sparse) sparse="no" @@ -1474,6 +1479,7 @@ Advanced options (experts only): --firmwarepath=PATH search PATH for firmware files --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix] --enable-debug enable common debug build options + --enable-sanitizers enable default sanitizers --disable-strip disable stripping binaries --disable-werror disable compilation abort on warning --disable-stack-protector disable compiler-provided stack protection @@ -5200,6 +5206,23 @@ if compile_prog "" "" ; then have_utmpx=yes fi +########################################## +# checks for sanitizers + +write_c_skeleton + +have_asan=no +have_ubsan=no + +if test "$sanitizers" = "yes" ; then + if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then + have_asan=yes + fi + if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then + have_ubsan=yes + fi +fi + ########################################## # End of CC checks # After here, no more $cc or $ld runs @@ -5224,6 +5247,13 @@ else CFLAGS="-O2 $CFLAGS" fi +if test "$have_asan" = "yes"; then + CFLAGS="-fsanitize=address $CFLAGS" +fi +if test "$have_ubsan" = "yes"; then + CFLAGS="-fsanitize=undefined $CFLAGS" +fi + ########################################## # Do we have libnfs if test "$libnfs" != "no" ; then