diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 90 |
1 files changed, 53 insertions, 37 deletions
diff --git a/configure.in b/configure.in index 3b5420c8b..f8a3fa639 100644 --- a/configure.in +++ b/configure.in @@ -302,7 +302,8 @@ AC_ARG_ENABLE( AC_HELP_STRING( [--enable-sanitize@<:@=ARG@:>@], [ - Sanitize: yes, no, full) + Enables sanitizer. (disabled by default) + (available options: yes, no, full) ] ), [ @@ -621,49 +622,64 @@ if test "$enable_lto" != "no" ; then ) fi +AC_DEFUN(AC_CHECK_SANITIZER_FLAG, + [ + AC_MSG_CHECKING([whether $CC supports -fsanitize=$1]) + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fsanitize=$1" + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [ + AC_MSG_RESULT([yes]) + ], + [ + AC_MSG_RESULT([no]) + + AC_MSG_CHECKING([whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=$1]) + CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [ + AC_MSG_RESULT([yes]) + ], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] + ) + ], + [ + AC_MSG_RESULT([guessing no]) + CFLAGS="$OLD_CFLAGS" + ] + ) + ] +) # # sanitize Support test # if test "$enable_sanitize" != "no" ; then + AC_CHECK_SANITIZER_FLAG(address) if test "$enable_sanitize" == "full" ; then - # skipped because server have multiply issues -fsanitize=alignment - SAN="-fsanitize=address \ --fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable \ --fsanitize=vla-bound -fsanitize=null -fsanitize=return \ --fsanitize=signed-integer-overflow -fsanitize=bounds \ --fsanitize=object-size -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow \ --fsanitize=nonnull-attribute -fsanitize=returns-nonnull-attribute -fsanitize=bool \ --fsanitize=enum -fsanitize=vptr" - else - SAN="-fsanitize=address" + # skipped because server have multiple issues: -fsanitize=alignment + AC_CHECK_SANITIZER_FLAG(shift) + AC_CHECK_SANITIZER_FLAG(integer-divide-by-zero) + AC_CHECK_SANITIZER_FLAG(unreachable) + AC_CHECK_SANITIZER_FLAG(vla-bound) + AC_CHECK_SANITIZER_FLAG(null) + AC_CHECK_SANITIZER_FLAG(return) + AC_CHECK_SANITIZER_FLAG(signed-integer-overflow) + AC_CHECK_SANITIZER_FLAG(bounds) + AC_CHECK_SANITIZER_FLAG(object-size) + AC_CHECK_SANITIZER_FLAG(float-divide-by-zero) + AC_CHECK_SANITIZER_FLAG(float-cast-overflow) + AC_CHECK_SANITIZER_FLAG(nonnull-attribute) + AC_CHECK_SANITIZER_FLAG(returns-nonnull-attribute) + AC_CHECK_SANITIZER_FLAG(bool) + AC_CHECK_SANITIZER_FLAG(enum, sanitize-undefined-trap-on-error) + AC_CHECK_SANITIZER_FLAG(vptr) fi - - OLD_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $SAN" - OLD_LDFLAGS="$LDFLAGS" - LDFLAGS="$LDFLAGS $SAN" - - AC_MSG_CHECKING([whether $CC supports $SAN]) - AC_RUN_IFELSE( - [AC_LANG_SOURCE([ - int main(int argc, char **argv){ - return 0; - } - ])], - [ - AC_MSG_RESULT([yes]) - ], - [ - AC_MSG_RESULT([no]) - CFLAGS="$OLD_CFLAGS" - LDFLAGS="$OLD_LDFLAGS" - ], - [ - AC_MSG_RESULT([guessing no]) - ] - ) - fi |