configure.ac: fix the check for unittests

Leftover from ad8de30. Because we now only have one thing to check,
let's always check for dl and handle the special "auto" case based on
the outcome of the dl check.

Fixes #248

Signed-off-by: Peter Hutterer <[email protected]>

configure.ac

@@ -134,26 +134,18 @@ AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests],
                           [UNITTESTS=$enableval],
                           [UNITTESTS=auto])
 
-# If unittests aren't explicitly disabled, check for required support
-if test "x$UNITTESTS" != xno ; then
-       # Check for the availability of dlsym and friends
-       AC_CHECK_LIB([dl], [dlsym],
-           [libdl_available="yes"],
-           [libdl_available="no"]
-       )
-fi
+# Check for the availability of dlsym and friends
+AC_CHECK_LIB([dl], [dlsym],
+    [libdl_available="yes"],
+    [libdl_available="no"]
+)
 
+# If unittests aren't explicitly enabled, check for required support
 if test "x$UNITTESTS" = xauto; then
-       if test "x$linker_can_wrap" = xyes; then
-           UNITTESTS=yes
-       else
-           UNITTESTS=no
-       fi
+    UNITTESTS=$libdl_available
 fi
+
 if test "x$UNITTESTS" = xyes; then
-       if test "x$linker_can_wrap" = xno; then
-           AC_MSG_ERROR([ld -wrap support required to build unit tests])
-       fi
        if test "x$libdl_available" = xno; then
            AC_MSG_ERROR([dlsym required to build unit tests])
        fi