Use -eq, not =, in case expr outputs leading zeros or something

silly like that.

diff --git a/m4/shell.m4 b/m4/shell.m4
index 78ed36c32e365fc20546d28ac76409310f1d1c03..07740aa306eefaa0b464c06975e4bd642eb97c02 100644 (file)
--- a/m4/shell.m4
+++ b/m4/shell.m4
@@ -16,7 +16,7 @@ AC_DEFUN([AC_PROG_SHELL],
        >|conftest.c || exit
        !>conftest.c || exit
        # Test that $(...) works.
-       test "$(expr 3 + 4)" = 7 || exit
+       test "$(expr 3 + 4)" -eq 7 || exit
       '
       ac_cv_path_shell=no