From 97a56d8b54a22511a20bdb8d425c0f22c7d3d33d Mon Sep 17 00:00:00 2001
From: James Le Cuirot <chewi@gentoo.org>
Date: Tue, 5 Dec 2017 23:34:35 +0000
Subject: [PATCH] build: Allow libtirpc to be explicitly requested

Some distributions like Gentoo no longer include the RPC stuff in
their glibc packages.

Signed-off-by: James Le Cuirot <chewi@gentoo.org>
---
 configure.ac              | 12 ++++++++++++
 libglusterfs/src/compat.h |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/configure.ac b/configure.ac
index ce689225c..2384375ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -291,6 +291,10 @@ else
         CFLAGS="${CFLAGS} -g -rdynamic"
 fi
 
+AC_ARG_WITH([libtirpc],
+        AS_HELP_STRING([--with-libtirpc], [Use libtirpc as RPC implementation (instead of sunrpc)]),
+        [], [with_libtirpc=no])
+
 AC_ARG_ENABLE([privport_tracking],
               AC_HELP_STRING([--disable-privport_tracking],
                              [Disable internal tracking of privileged ports.]))
@@ -1050,6 +1054,14 @@ AC_SUBST(GF_DISTRIBUTION)
 GF_HOST_OS=""
 GF_LDFLAGS="-rdynamic"
 
+if test "x$with_libtirpc" = "xyes" ; then
+    PKG_CHECK_MODULES([TIRPC], [libtirpc],
+       [GF_CFLAGS="$GF_CFLAGS $TIRPC_CFLAGS"; GF_LDFLAGS="$GF_LDFLAGS $TIRPC_LIBS";],
+       [AC_MSG_ERROR([libtirpc requested but library not found])]
+    )
+    AC_DEFINE(HAVE_LIBTIRPC, 1, [Define if libtirpc is enabled.])
+fi
+
 dnl check for gcc -Werror=format-security
 saved_CFLAGS=$CFLAGS
 CFLAGS="-Wformat -Werror=format-security"
diff --git a/libglusterfs/src/compat.h b/libglusterfs/src/compat.h
index f4da4b2a0..9959982a0 100644
--- a/libglusterfs/src/compat.h
+++ b/libglusterfs/src/compat.h
@@ -487,6 +487,8 @@ int gf_mkostemp (char *tmpl, int suffixlen, int flags);
 #define ST_CTIM_NSEC_SET(stbuf, val) do { } while (0);
 #endif
 
+#ifndef HAVE_LIBTIRPC
+
 #ifndef IXDR_GET_LONG
 #define IXDR_GET_LONG(buf) ((long)IXDR_GET_U_INT32(buf))
 #endif
@@ -503,6 +505,8 @@ int gf_mkostemp (char *tmpl, int suffixlen, int flags);
 #define IXDR_PUT_U_LONG(buf, v)       IXDR_PUT_LONG(buf, (long)(v))
 #endif
 
+#endif /* HAVE_LIBTIRPC */
+
 #if defined(__GNUC__) && !defined(RELAX_POISONING)
 /* Use run API, see run.h */
 #include <stdlib.h> /* system(), mkostemp() */
-- 
2.15.0