ignore lines beginning with '#'
[util-vserver.git] / util-vserver / m4 / ensc_syscallnr.m4
index 1ab1e7e..28297cf 100644 (file)
@@ -22,7 +22,7 @@ AC_DEFUN([ENSC_SYSCALLNR],
        AC_REQUIRE([ENSC_KERNEL_HEADERS])
        AC_REQUIRE([AC_PROG_EGREP])
 
-       AC_CACHE_CHECK([for syscall '$1'], [ensc_cv_value_syscall_$1],
+       AC_CACHE_CHECK([for number of syscall '$1'], [ensc_cv_value_syscall_$1],
        [
                AC_LANG_PUSH(C)
                AC_EGREP_CPP(ensc_cv_value_syscall_$1=auto, [
@@ -49,7 +49,7 @@ ensc_cv_value_syscall_$1=$2
                AC_LANG_POP
        ])
 
-       if test "$ensc_cv_value_syscall_$1" != xauto; then
+       if test x"$ensc_cv_value_syscall_$1" != xauto; then
                AC_DEFINE_UNQUOTED(ENSC_SYSCALL__NR_$1, $ensc_cv_value_syscall_$1, [The number of the $1 syscall])
        fi
 ])