Don't use -Wl,--no-undefined with the sanitizers/fuzzers.

It breaks linking when using -fsanitize with clang at least.
This commit is contained in:
Todd C. Miller
2023-01-19 19:40:35 -07:00
parent c6cc680069
commit 7a64275a3d
2 changed files with 36 additions and 30 deletions

9
configure vendored
View File

@@ -19824,10 +19824,12 @@ fi
# #
# Don't allow undefined symbols, even in shared libraries, if possible. # Don't allow undefined symbols, even in shared libraries, if possible.
# This will detect missing symbols at build-time instead of run-time. # This will detect missing symbols at build-time instead of run-time
# but is incompatible with the sanitizers/fuzzers.
# We must set this *before* the library tests. # We must set this *before* the library tests.
# #
case "$host_os" in if test X"${enable_sanitizer}{enable_fuzzer}" = X"nono"; then
case "$host_os" in
freebsd*|dragonfly*|openbsd*) freebsd*|dragonfly*|openbsd*)
# On FreeBSD and Dragonfly, environ is filled in by the # On FreeBSD and Dragonfly, environ is filled in by the
# dynamic loader so we cannot use -Wl,--no-undefined. # dynamic loader so we cannot use -Wl,--no-undefined.
@@ -19914,7 +19916,8 @@ esac
fi fi
;; ;;
esac esac
fi
# #
# HP-UX may need to define _XOPEN_SOURCE_EXTENDED to expose MSG_WAITALL. # HP-UX may need to define _XOPEN_SOURCE_EXTENDED to expose MSG_WAITALL.

View File

@@ -2451,10 +2451,12 @@ AC_SYS_YEAR2038
# #
# Don't allow undefined symbols, even in shared libraries, if possible. # Don't allow undefined symbols, even in shared libraries, if possible.
# This will detect missing symbols at build-time instead of run-time. # This will detect missing symbols at build-time instead of run-time
# but is incompatible with the sanitizers/fuzzers.
# We must set this *before* the library tests. # We must set this *before* the library tests.
# #
case "$host_os" in if test X"${enable_sanitizer}{enable_fuzzer}" = X"nono"; then
case "$host_os" in
freebsd*|dragonfly*|openbsd*) freebsd*|dragonfly*|openbsd*)
# On FreeBSD and Dragonfly, environ is filled in by the # On FreeBSD and Dragonfly, environ is filled in by the
# dynamic loader so we cannot use -Wl,--no-undefined. # dynamic loader so we cannot use -Wl,--no-undefined.
@@ -2467,7 +2469,8 @@ case "$host_os" in
*) *)
AX_CHECK_LINK_FLAG([-Wl,--no-undefined], [AX_APPEND_FLAG([-Wl,--no-undefined], [LDFLAGS])]) AX_CHECK_LINK_FLAG([-Wl,--no-undefined], [AX_APPEND_FLAG([-Wl,--no-undefined], [LDFLAGS])])
;; ;;
esac esac
fi
# #
# HP-UX may need to define _XOPEN_SOURCE_EXTENDED to expose MSG_WAITALL. # HP-UX may need to define _XOPEN_SOURCE_EXTENDED to expose MSG_WAITALL.