[PATCH synaptics 8/8] Now ps2comm and alpscomm backend optional

[Alexandr Shadchin]

Signed-off-by: Alexandr Shadchin <Alexandr.Shadchin at gmail.com>
---
OpenBSD don't support this backends. Backend for OpenBSD I'll add later.

 configure.ac    |   20 +++++++++++++++-----
 src/Makefile.am |    8 ++++++--
 src/synaptics.c |    2 ++
 src/synproto.h  |    5 +++--
 4 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/configure.ac b/configure.ac
index ea66935..edfc4e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,21 +98,31 @@ AM_CONDITIONAL(DEBUG, [test "x$DEBUGGING" = xyes])
 AC_MSG_CHECKING([which optional backends will be build])
 case "${host}" in
 *linux*)
-	AC_MSG_RESULT([eventcomm])
+	AC_MSG_RESULT([ps2comm alpscomm eventcomm])
+	BUILD_PS2COMM="yes"
 	BUILD_EVENTCOMM="yes"
-	AC_DEFINE(BUILD_EVENTCOMM, 1, [Optional backend eventcomm enabled])
 	;;
-*freebsd* | *openbsd* | *netbsd* | *dragonfly*)
-	AC_MSG_RESULT([psmcomm])
+*freebsd* | *netbsd* | *dragonfly*)
+	AC_MSG_RESULT([ps2comm alpscomm psmcomm])
+	BUILD_PS2COMM="yes"
 	BUILD_PSMCOMM="yes"
-	AC_DEFINE(BUILD_PSMCOMM, 1, [Optional backend psmcomm enabled])
 	;;
 *)
 	AC_MSG_RESULT([none])
 	;;
 esac
+if test "x$BUILD_EVENTCOMM" = xyes; then
+    AC_DEFINE(BUILD_EVENTCOMM, 1, [Optional backend eventcomm enabled])
+fi
+if test "x$BUILD_PSMCOMM" = xyes; then
+    AC_DEFINE(BUILD_PSMCOMM, 1, [Optional backend psmcomm enabled])
+fi
+if test "x$BUILD_PS2COMM" = xyes; then
+    AC_DEFINE(BUILD_PS2COMM, 1, [Optional backend ps2comm and alpscomm enabled])
+fi
 AM_CONDITIONAL([BUILD_EVENTCOMM], [test "x${BUILD_EVENTCOMM}" = "xyes"])
 AM_CONDITIONAL([BUILD_PSMCOMM], [test "x${BUILD_PSMCOMM}" = "xyes"])
+AM_CONDITIONAL([BUILD_PS2COMM], [test "x${BUILD_PS2COMM}" = "xyes"])
 
 # -----------------------------------------------------------------------------
 #			Dependencies for synclient and syndaemon
diff --git a/src/Makefile.am b/src/Makefile.am
index 0637445..ff513f1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -32,11 +32,15 @@ AM_CPPFLAGS = -I$(top_srcdir)/include
 AM_CFLAGS = $(XORG_CFLAGS)
 
 @DRIVER_NAME at _drv_la_SOURCES = @DRIVER_NAME at .c synapticsstr.h \
-	alpscomm.c \
-	ps2comm.c ps2comm.h \
 	synproto.h \
 	properties.c
 
+if BUILD_PS2COMM
+ at DRIVER_NAME@_drv_la_SOURCES += \
+	alpscomm.c \
+	ps2comm.c ps2comm.h
+endif
+
 if BUILD_EVENTCOMM
 @DRIVER_NAME at _drv_la_SOURCES += \
 	eventcomm.c eventcomm.h
diff --git a/src/synaptics.c b/src/synaptics.c
index 8819798..3b6e63b 100644
--- a/src/synaptics.c
+++ b/src/synaptics.c
@@ -136,8 +136,10 @@ int SetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
                 BOOL checkonly);
 
 const static SynapticsProtocolRec protocols[] = {
+#ifdef BUILD_PS2COMM
     {"psaux", &psaux_proto_operations},
     {"alps", &alps_proto_operations},
+#endif
 #ifdef BUILD_PSMCOMM
     {"psm", &psm_proto_operations},
 #endif
diff --git a/src/synproto.h b/src/synproto.h
index 9c25428..700cf7a 100644
--- a/src/synproto.h
+++ b/src/synproto.h
@@ -84,14 +84,15 @@ typedef struct {
     struct SynapticsProtocolOperations *proto_ops;
 } SynapticsProtocolRec;
 
+#ifdef BUILD_PS2COMM
 extern struct SynapticsProtocolOperations psaux_proto_operations;
+extern struct SynapticsProtocolOperations alps_proto_operations;
+#endif /* BUILD_PS2COMM */
 #ifdef BUILD_EVENTCOMM
 extern struct SynapticsProtocolOperations event_proto_operations;
 #endif /* BUILD_EVENTCOMM */
 #ifdef BUILD_PSMCOMM
 extern struct SynapticsProtocolOperations psm_proto_operations;
 #endif /* BUILD_PSMCOMM */
-extern struct SynapticsProtocolOperations alps_proto_operations;
-
 
 #endif /* _SYNPROTO_H_ */
-- 
1.7.3.5