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From dbc28fc8a50f47329ce7e579e35629318f95bf4b Mon Sep 17 00:00:00 2001
From: Luotao Fu <l.fu@pengutronix.de>
Date: Thu, 23 Apr 2009 18:18:54 +0200
Subject: [PATCH] fix link breakage if some drivers are not enabled
rtcm*_unpack and rtcm*_dump functions are only declared if the rtcm drivers are
enabled during configuration. The same for aivdm. If these drivers are not
enable. Linking will fail due to unknow reference. Add some ifdefs to avoid
this. This is ugly ifdef hell. It'd be way eleganter to change the structures in
driver code and put some function pointer checking in here. Due to lack of time
I only did this quick hack. Better ideas are highly welcome.
Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
---
gpsdecode.c | 6 ++++++
1 file changed, 6 insertions(+)
Index: gpsd-2.39/gpsdecode.c
===================================================================
--- gpsd-2.39/gpsdecode.c.orig
+++ gpsd-2.39/gpsdecode.c
@@ -57,19 +57,25 @@ static void decode(FILE *fpin, FILE *fpo
else if (lexer.type == COMMENT_PACKET)
continue;
else if (lexer.type == RTCM2_PACKET) {
+#if defined(RTCM104V2_ENABLE)
rtcm2_unpack(&rtcm2, (char *)lexer.isgps.buf);
rtcm2_dump(&rtcm2, buf, sizeof(buf));
(void)fputs(buf, fpout);
+#endif
}
else if (lexer.type == RTCM3_PACKET) {
+#if defined(RTCM104V3_ENABLE)
rtcm3_unpack(&rtcm3, (char *)lexer.outbuffer);
rtcm3_dump(&rtcm3, stdout);
+#endif
}
else if (lexer.type == AIVDM_PACKET) {
+#if defined(aivdm_dump)
/*@ -uniondef */
if (aivdm_decode((char *)lexer.outbuffer, lexer.outbuflen, &aivdm))
aivdm_dump(&aivdm.decoded, scaled, labeled, stdout);
/*@ +uniondef */
+#endif
}
}
}
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