From 8a94298b7e146f5e0c46fd1dddbab67a91451b88 Mon Sep 17 00:00:00 2001
From: Vladimir Michl <vladimir.michl@seznam.cz>
Date: Tue, 26 Jun 2007 22:06:39 +0100
Subject: [PATCH 1/3] Add support for Linux/arm

---
 io_linux.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io_linux.h b/io_linux.h
index c6f6f30..679aede 100644
--- a/io_linux.h
+++ b/io_linux.h
@@ -6,7 +6,7 @@
 
 /* Hmm.  These constants vary a bit between systems. */
 /* (__sh__ includes both sh and sh64) */
-#if defined(__i386__) || defined(__sh__)
+#if defined(__i386__) || defined(__sh__) || defined(__arm__)
 #define CHRONY_IOC_NRBITS	8
 #define CHRONY_IOC_TYPEBITS	8
 #define CHRONY_IOC_SIZEBITS	14

From 93f6664378b55ed30affeecff72e8651d3cb3b15 Mon Sep 17 00:00:00 2001
From: Vladimir Michl <vladimir.michl@seznam.cz>
Date: Tue, 26 Jun 2007 22:08:49 +0100
Subject: [PATCH 2/3] Allow RTC support to be excluded at compile time.

Add a new option to configure script, allowing
to disable (and exclude) RTC module. It saves same memory.
---
 configure | 11 ++++++++++-
 rtc.c     |  4 ++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index 786e9e1..c100c29 100755
--- a/configure
+++ b/configure
@@ -133,6 +133,7 @@ For better control, use the options below.
   --readline-inc-dir=DIR Specify where readline include directory is
   --readline-lib-dir=DIR Specify where readline lib directory is
   --with-ncurses-library=DIR Specify where ncurses lib directory is
+  --disable-rtc          Don't include RTC even on Linux
 
 Fine tuning of the installation directories:
   --infodir=DIR          info documentation [PREFIX/info]
@@ -172,6 +173,7 @@ SYSDEFS=""
 
 # Support for readline (on by default)
 feat_readline=1
+feat_rtc=1
 readline_lib=""
 readline_inc=""
 ncurses_lib=""
@@ -206,6 +208,9 @@ do
     --mandir=* )
       SETMANDIR=`echo $option | sed -e 's/^.*=//;'`
     ;;
+    --disable-rtc)
+      feat_rtc=0
+    ;;
     --help | -h )
       usage
       exit 0
@@ -238,7 +243,11 @@ case $SYSTEM in
     esac
     ;;
     Linux* )
-        EXTRA_OBJECTS="sys_linux.o wrap_adjtimex.o rtc_linux.o"
+        EXTRA_OBJECTS="sys_linux.o wrap_adjtimex.o"
+	if [ $feat_rtc -eq 1 ] ; then
+	    EXTRA_OBJECTS+=" rtc_linux.o"
+	    EXTRA_DEFS+=" -DFEAT_RTC=1"
+	fi
         SYSDEFS="-DLINUX"
         echo "Configuring for " $SYSTEM
         if [ "${MACHINE}" = "alpha" ]; then
diff --git a/rtc.c b/rtc.c
index bde61cb..8ff83cb 100644
--- a/rtc.c
+++ b/rtc.c
@@ -33,7 +33,7 @@
 #include "logging.h"
 #include "conf.h"
 
-#if defined LINUX
+#if defined LINUX && defined FEAT_RTC
 #include "rtc_linux.h"
 #endif /* defined LINUX */
 
@@ -53,7 +53,7 @@ static struct {
   void (*cycle_logfile)(void);
 } driver =
 {
-#if defined LINUX
+#if defined LINUX && defined FEAT_RTC
   RTC_Linux_Initialise,
   RTC_Linux_Finalise,
   RTC_Linux_TimePreInit,

From 38efaf10a840aa3f5a814f32dcafeac2c115eb8c Mon Sep 17 00:00:00 2001
From: "Richard P. Curnow" <rc@rc0.org.uk>
Date: Tue, 26 Jun 2007 22:11:19 +0100
Subject: [PATCH 3/3] configure: fix indentation from previous patch

---
 configure | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/configure b/configure
index c100c29..dd6911c 100755
--- a/configure
+++ b/configure
@@ -244,10 +244,10 @@ case $SYSTEM in
     ;;
     Linux* )
         EXTRA_OBJECTS="sys_linux.o wrap_adjtimex.o"
-	if [ $feat_rtc -eq 1 ] ; then
-	    EXTRA_OBJECTS+=" rtc_linux.o"
-	    EXTRA_DEFS+=" -DFEAT_RTC=1"
-	fi
+        if [ $feat_rtc -eq 1 ] ; then
+            EXTRA_OBJECTS+=" rtc_linux.o"
+            EXTRA_DEFS+=" -DFEAT_RTC=1"
+        fi
         SYSDEFS="-DLINUX"
         echo "Configuring for " $SYSTEM
         if [ "${MACHINE}" = "alpha" ]; then