https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84484
--- Comment #8 from Ian Lance Taylor <ian at airs dot com> ---
Odd. In any case, the patch is simple:
diff --git a/libgo/configure b/libgo/configure
index aba4dc39..1b61c9ba 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -14210,6 +14210,9 @@ if test "${libgo_cv_lib_pthread+set}" = set; then :
else
CFLAGS_hold=$CFLAGS
CFLAGS="$CFLAGS -pthread"
+if test -n "$LIBATOMIC"; then
+ CFLAGS="$CFLAGS -L../libatomic/.libs"
+fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int i;
diff --git a/libgo/configure.ac b/libgo/configure.ac
index 1264a1d2..aea47a42 100644
--- a/libgo/configure.ac
+++ b/libgo/configure.ac
@@ -494,6 +494,9 @@ AC_CACHE_CHECK([whether -pthread is supported],
[libgo_cv_lib_pthread],
[CFLAGS_hold=$CFLAGS
CFLAGS="$CFLAGS -pthread"
+if test -n "$LIBATOMIC"; then
+ CFLAGS="$CFLAGS -L../libatomic/.libs"
+fi
AC_COMPILE_IFELSE([[int i;]],
[libgo_cv_lib_pthread=yes],
[libgo_cv_lib_pthread=no])
