[AArch64] Simplify ashl<mode>3 expander for SHORT modes

[platform/upstream/gcc.git] / libsanitizer / configure.ac

diff --git a/libsanitizer/configure.ac b/libsanitizer/configure.ac
index 72b13a1..063b1d6 100644 (file)
--- a/libsanitizer/configure.ac
+++ b/libsanitizer/configure.ac
@@ -96,7 +96,7 @@ AM_CONDITIONAL(LSAN_SUPPORTED, [test "x$LSAN_SUPPORTED" = "xyes"])
 AC_CHECK_FUNCS(clock_getres clock_gettime clock_settime)
 
 # Common libraries that we need to link against for all sanitizer libs.
-link_sanitizer_common='-lpthread -ldl -lm'
+link_sanitizer_common='-lpthread -lm'
 
 # At least for glibc, shm_open is in librt.  But don't pull that
 # in if it still doesn't give us the function we want.  This
@@ -104,6 +104,10 @@ link_sanitizer_common='-lpthread -ldl -lm'
 AC_CHECK_LIB(rt, shm_open,
   [link_sanitizer_common="-lrt $link_sanitizer_common"])
 
+# Do a configure time check for -ldl
+AC_CHECK_LIB(dl, dlsym,
+  [link_sanitizer_common="-ldl $link_sanitizer_common"])
+
 # Set up the set of additional libraries that we need to link against for libasan.
 link_libasan=$link_sanitizer_common
 AC_SUBST(link_libasan)