From 8dba8eaa13126ac9a1c90aa0f93511bf1c83fb09 Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh-essen.com>
Date: Wed, 25 Oct 2006 16:49:53 +0000
Subject: [PATCH] Compiler flag -DSVNREV only for module.c to avoid unnecessary
recompiling.
---
Makefile.am | 3 +-
configure.ac | 9 ++++++
devices/8139too.c | 5 +---
devices/Kbuild | 2 +-
globals.h | 72 +++++++++++++++++++++++++++++++++++++++++++++++
master/Kbuild | 2 +-
master/globals.h | 40 +++++---------------------
master/master.c | 2 +-
master/module.c | 2 ++
9 files changed, 96 insertions(+), 41 deletions(-)
create mode 100644 globals.h
diff --git a/Makefile.am b/Makefile.am
index 66c12f1d..a1080322 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -39,7 +39,8 @@ EXTRA_DIST = documentation/ethercat_doc.pdf
mydist:
@SVNREV=`svnversion $(srcdir)` && \
- $(MAKE) dist-bzip2 distdir=$(PACKAGE)-$(VERSION)-trunk-r$${SVNREV}
+ $(MAKE) dist-bzip2 \
+ distdir=$(PACKAGE)-$(VERSION)-$(BRANCH)-r$${SVNREV}
dist-hook:
if which svnversion >/dev/null 2>&1; then \
diff --git a/configure.ac b/configure.ac
index 51d4cc37..b85fc16f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,15 @@ AC_PREFIX_DEFAULT([/opt/etherlab])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([config.h.in])
+#------------------------------------------------------------------------------
+# Global
+#------------------------------------------------------------------------------
+
+branch=trunk
+
+AC_DEFINE_UNQUOTED(BRANCH, ["$branch"], [Subversion branch])
+AC_SUBST(BRANCH, [$branch])
+
#------------------------------------------------------------------------------
# Linux sources
#------------------------------------------------------------------------------
diff --git a/devices/8139too.c b/devices/8139too.c
index 087099e4..bbe16802 100644
--- a/devices/8139too.c
+++ b/devices/8139too.c
@@ -155,11 +155,8 @@
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+#include "../globals.h"
#include "ecdev.h"
-#include "../master/globals.h"
-
-#define LIT(X) #X
-#define STR(X) LIT(X)
#define RTL8139_DRIVER_NAME DRV_NAME \
" EtherCAT-capable Fast Ethernet driver " \
diff --git a/devices/Kbuild b/devices/Kbuild
index fe841ff7..f4fb85fa 100644
--- a/devices/Kbuild
+++ b/devices/Kbuild
@@ -45,6 +45,6 @@ REV := $(shell if test -s $(src)/../svnrevision; then \
svnversion $(src)/.. 2>/dev/null || echo "unknown"; \
fi)
-EXTRA_CFLAGS = -DSVNREV=$(REV)
+CFLAGS_8139too.o = -DSVNREV=$(REV)
#------------------------------------------------------------------------------
diff --git a/globals.h b/globals.h
new file mode 100644
index 00000000..d060fea6
--- /dev/null
+++ b/globals.h
@@ -0,0 +1,72 @@
+/******************************************************************************
+ *
+ * $Id$
+ *
+ * Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ * This file is part of the IgH EtherCAT Master.
+ *
+ * The IgH EtherCAT Master is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The IgH EtherCAT Master is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the IgH EtherCAT Master; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * The right to use EtherCAT Technology is granted and comes free of
+ * charge under condition of compatibility of product made by
+ * Licensee. People intending to distribute/sell products based on the
+ * code, have to sign an agreement to guarantee that products using
+ * software based on IgH EtherCAT master stay compatible with the actual
+ * EtherCAT specification (which are released themselves as an open
+ * standard) as the (only) precondition to have the right to use EtherCAT
+ * Technology, IP and trade marks.
+ *
+ *****************************************************************************/
+
+/**
+ \file
+ Global definitions and macros.
+*/
+
+/*****************************************************************************/
+
+#ifndef _EC_GLOBALS_
+#define _EC_GLOBALS_
+
+#include "config.h"
+
+/******************************************************************************
+ * Overall macros
+ *****************************************************************************/
+
+/**
+ Helper macro for EC_STR(), literates a macro argument.
+ \param X argument to literate.
+*/
+
+#define EC_LIT(X) #X
+
+/**
+ Converts a macro argument to a string.
+ \param X argument to stringify.
+*/
+
+#define EC_STR(X) EC_LIT(X)
+
+/**
+ Master version string
+*/
+
+#define EC_MASTER_VERSION VERSION " " BRANCH " r" EC_STR(SVNREV)
+
+/*****************************************************************************/
+
+#endif
diff --git a/master/Kbuild b/master/Kbuild
index 5c4f641b..905fe40e 100644
--- a/master/Kbuild
+++ b/master/Kbuild
@@ -51,6 +51,6 @@ REV := $(shell if test -s $(src)/../svnrevision; then \
svnversion $(src) 2>/dev/null || echo "unknown"; \
fi)
-EXTRA_CFLAGS := -DSVNREV=$(REV)
+CFLAGS_module.o := -DSVNREV=$(REV)
#------------------------------------------------------------------------------
diff --git a/master/globals.h b/master/globals.h
index 8fb56529..09287783 100644
--- a/master/globals.h
+++ b/master/globals.h
@@ -38,33 +38,17 @@
/*****************************************************************************/
-#ifndef _EC_GLOBALS_
-#define _EC_GLOBALS_
+#ifndef _EC_MASTER_GLOBALS_
+#define _EC_MASTER_GLOBALS_
#include <linux/types.h>
-#include "../config.h"
+#include "../globals.h"
/******************************************************************************
* EtherCAT master
*****************************************************************************/
-/** master main version */
-#define EC_MASTER_VERSION_MAIN 1
-
-/** master sub version (after the dot) */
-#define EC_MASTER_VERSION_SUB 1
-
-/** master extra version (just a string) */
-#define EC_MASTER_VERSION_EXTRA "trunk"
-
-/** Compile version info. */
-
-#define EC_MASTER_VERSION EC_STR(EC_MASTER_VERSION_MAIN) \
- "." EC_STR(EC_MASTER_VERSION_SUB) \
- " " EC_MASTER_VERSION_EXTRA \
- " r" EC_STR(SVNREV)
-
/** maximum number of FMMUs per slave */
#define EC_MAX_FMMUS 16
@@ -149,20 +133,6 @@
#define EC_DBG(fmt, args...) \
printk(KERN_DEBUG "EtherCAT DEBUG: " fmt, ##args)
-/**
- Helper macro for EC_STR(), literates a macro argument.
- \param X argument to literate.
-*/
-
-#define EC_LIT(X) #X
-
-/**
- Converts a macro argument to a string.
- \param X argument to stringify.
-*/
-
-#define EC_STR(X) EC_LIT(X)
-
/**
Convenience macro for defining read-only SysFS attributes.
This results in creating a static variable called attr_\a NAME. The SysFS
@@ -189,6 +159,10 @@
/*****************************************************************************/
+extern char *ec_master_version_str;
+
+/*****************************************************************************/
+
void ec_print_data(const uint8_t *, size_t);
void ec_print_data_diff(const uint8_t *, const uint8_t *, size_t);
size_t ec_state_string(uint8_t, char *);
diff --git a/master/master.c b/master/master.c
index 493b0a13..532e7f24 100644
--- a/master/master.c
+++ b/master/master.c
@@ -765,7 +765,7 @@ ssize_t ec_master_info(ec_master_t *master, /**< EtherCAT master */
ec_eoe_t *eoe;
uint32_t cur, sum, min, max, pos, i;
- off += sprintf(buffer + off, "\nVersion: " EC_MASTER_VERSION);
+ off += sprintf(buffer + off, "\nVersion: %s", ec_master_version_str);
off += sprintf(buffer + off, "\nMode: ");
switch (master->mode) {
case EC_MASTER_MODE_ORPHANED:
diff --git a/master/module.c b/master/module.c
index e76bc22c..524ede5f 100644
--- a/master/module.c
+++ b/master/module.c
@@ -58,6 +58,8 @@ static int ec_eoeif_count = 0; /**< parameter value, number of EoE interf. */
static struct list_head ec_masters; /**< list of masters */
static dev_t device_number;
+char *ec_master_version_str = EC_MASTER_VERSION;
+
/*****************************************************************************/
/** \cond */
--
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