From 7dc8c2a5051208c8808405c8bbdb3fca0cf43f74 Mon Sep 17 00:00:00 2001
From: James Le Cuirot <chewi@gentoo.org>
Date: Fri, 2 May 2025 16:39:19 +0100
Subject: [PATCH] configure.ac: Add --with-prebuilt-rpcgen option for
 cross-compiling

If given an argument, it will use that program to generate the rpcsvc
headers. Otherwise, it will use "rpcgen" from the PATH.

Closes: https://github.com/thkukuk/rpcsvc-proto/issues/13
Signed-off-by: James Le Cuirot <chewi@gentoo.org>
--- a/configure.ac
+++ b/configure.ac
@@ -23,4 +23,18 @@ AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.20.2])
 AM_GNU_GETTEXT_REQUIRE_VERSION([0.19.2])
 
+RPCGEN='$(top_builddir)/rpcgen/rpcgen'
+AC_ARG_WITH([prebuilt-rpcgen],
+  AS_HELP_STRING(
+    [--with-prebuilt-rpcgen],
+    [use prebuilt rpcgen to generate rpcsvc headers]
+  ),
+  AS_CASE([$withval],
+    [no],  [],
+    [yes], [RPCGEN=rpcgen],
+           [RPCGEN=$withval]
+  )
+)
+AC_SUBST([RPCGEN])
+
 AC_OUTPUT([Makefile rpcgen/Makefile rpcsvc/Makefile po/Makefile.in])
--- a/rpcsvc/Makefile.am
+++ b/rpcsvc/Makefile.am
@@ -12,4 +12,4 @@ nodist_rpcsvc_HEADERS = klm_prot.h nlm_prot.h rstat.h spray.h \
 	nfs_prot.h rquota.h sm_inter.h
 
 .x.h:
-	$(top_builddir)/rpcgen/rpcgen -h -o $@ $<
+	$(RPCGEN) -h -o $@ $<
-- 
2.49.0