clone: do not let --depth imply --shallow-submodules

diff --git a/configure.ac b/configure.ac
index 76170ad06d1e8a591af209b91c622d3073c691dd..89e2590bd6926a52d8f57e0dfc164360809c90d2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1142,7 +1142,12 @@ elif test -z "$PTHREAD_CFLAGS"; then
   # would then trigger compiler warnings on every single file we compile.
   for opt in "" -mt -pthread -lpthread; do
      old_CFLAGS="$CFLAGS"
-     CFLAGS="$opt $CFLAGS"
+     old_LIBS="$LIBS"
+     case "$opt" in
+        -l*)  LIBS="$opt $LIBS" ;;
+        *)    CFLAGS="$opt $CFLAGS" ;;
+     esac
+
      AC_MSG_CHECKING([for POSIX Threads with '$opt'])
      AC_LINK_IFELSE([PTHREADTEST_SRC],
        [AC_MSG_RESULT([yes])
@@ -1154,6 +1159,7 @@ elif test -z "$PTHREAD_CFLAGS"; then
        ],
        [AC_MSG_RESULT([no])])
       CFLAGS="$old_CFLAGS"
+      LIBS="$old_LIBS"
   done
   if test $threads_found != yes; then
     AC_CHECK_LIB([pthread], [pthread_create],