make the check for libpam conditional (#165)

diff --git a/configure.ac b/configure.ac
index d4bceb0188e714928ab351b72c24d8125a8b8e43..3402736ef89689ab90e948c7f64f62a9f10e8cb7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -76,7 +76,15 @@ AC_SEARCH_LIBS([ev_run], [ev], , [AC_MSG_FAILURE([cannot find the required ev_ru
 
 AC_SEARCH_LIBS([shm_open], [rt])
 
-AC_SEARCH_LIBS([pam_authenticate], [pam])
+# Only disable PAM on OpenBSD where i3lock uses BSD Auth instead
+case "$host" in
+       *-openbsd*)
+       # Nothing yet.
+       ;;
+       *)
+       AC_SEARCH_LIBS([pam_authenticate], [pam])
+       ;;
+esac
 
 AC_SEARCH_LIBS([iconv_open], [iconv], , [AC_MSG_FAILURE([cannot find the required iconv_open() function despite trying to link with -liconv])])