Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[build] add --with-sanitizers= option for sanitizer builds #366

Merged
merged 1 commit into from
Oct 9, 2019
Merged

[build] add --with-sanitizers= option for sanitizer builds #366

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
40 changes: 38 additions & 2 deletions configure.ac
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -534,6 +534,12 @@ AC_ARG_ENABLE([fatal-warnings],
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],[enable debug build])])

AC_ARG_WITH([sanitizers],
[AS_HELP_STRING([--with-sanitizers=...,...],
[enable SANitizer build, do *NOT* use for production. Only ASAN/UBSAN/TSAN are currently supported])],
[ SANITIZERS="$withval" ],
[ SANITIZERS="" ])

AC_ARG_ENABLE([coverage],
[AS_HELP_STRING([--enable-coverage],[coverage analysis of the codebase])])

Expand Down Expand Up @@ -709,11 +715,41 @@ else
WERROR_CFLAGS=""
fi

# --- ASAN/UBSAN/TSAN (see man gcc) ---
# when using SANitizers, we need to pass the -fsanitize..
# to both CFLAGS and LDFLAGS. The CFLAGS/LDFLAGS must be
# specified as first in the list or there will be runtime
# issues (for example user has to LD_PRELOAD asan for it to work
# properly).

if test -n "${SANITIZERS}"; then
SANITIZERS=$(echo $SANITIZERS | sed -e 's/,/ /g')
for SANITIZER in $SANITIZERS; do
case $SANITIZER in
asan|ASAN)
SANITIZERS_CFLAGS="$SANITIZERS_CFLAGS -fsanitize=address"
SANITIZERS_LDFLAGS="$SANITIZERS_LDFLAGS -fsanitize=address -lasan"
AC_CHECK_LIB([asan],[main],,AC_MSG_ERROR([Unable to find libasan]))
;;
ubsan|UBSAN)
SANITIZERS_CFLAGS="$SANITIZERS_CFLAGS -fsanitize=undefined"
SANITIZERS_LDFLAGS="$SANITIZERS_LDFLAGS -fsanitize=undefined -lubsan"
AC_CHECK_LIB([ubsan],[main],,AC_MSG_ERROR([Unable to find libubsan]))
;;
tsan|TSAN)
SANITIZERS_CFLAGS="$SANITIZERS_CFLAGS -fsanitize=thread"
SANITIZERS_LDFLAGS="$SANITIZERS_LDFLAGS -fsanitize=thread -ltsan"
AC_CHECK_LIB([tsan],[main],,AC_MSG_ERROR([Unable to find libtsan]))
;;
esac
done
fi

# final build of *FLAGS
CFLAGS="$ENV_CFLAGS $OPT_CFLAGS $GDB_FLAGS \
CFLAGS="$SANITIZERS_CFLAGS $ENV_CFLAGS $OPT_CFLAGS $GDB_FLAGS \
$COVERAGE_CFLAGS $EXTRA_WARNINGS $WERROR_CFLAGS"
CPPFLAGS="$ENV_CPPFLAGS $ANSI_CPPFLAGS"
LDFLAGS="$ENV_LDFLAGS $COVERAGE_LDFLAGS"
LDFLAGS="$SANITIZERS_LDFLAGS $ENV_LDFLAGS $COVERAGE_LDFLAGS"

if test -f /usr/share/dict/words ; then
HAVE_DICT_WORDS=yes
Expand Down