Bug#220176: marked as done (kmidi: FTBFS on gcc 3.3.2 (asm with braced-groups within expressions))
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To: submit@bugs.debian.org
Subject: kmidi: FTBFS on gcc 3.3.2 (asm with braced-groups within expressions)
From: Petter Reinholdtsen <pere@hungry.com>
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Package: kmidi
Version: 4:3.1.2-1.1
Severity: serious
Tags: patch
This is the error message:
if g++ -DHAVE_CONFIG_H -I. -I../../kmidi
-I.. `/usr/bin/artsc-config --cflags` -I/usr/include/kde
-I/usr/include/qt3 -I.
-DDEFAULT_PATH=\"/usr/share/apps/kmidi/config\" -DKMIDI -DAU_OSS
-DQT_THREAD_SUPPORT -D_REENTRANT -DQT_THREAD_SUPPORT -D_REENTRANT
-Wnon-virtual-dtor -Wno-long-long -Wundef -Wall -pedantic -W
-Wpointer-arith -Wwrite-strings -ansi -D_XOPEN_SOURCE=500
-D_BSD_SOURCE -Wcast-align -Wconversion -DNDEBUG -DNO_DEBUG -O2
-fno-exceptions -fno-check-new -DQT_CLEAN_NAMESPACE
-DQT_NO_ASCII_CAST -O3 -fomit-frame-pointer -ffast-math -MT
readmidi.o -MD -MP -MF ".deps/readmidi.Tpo" \
-c -o readmidi.o `test -f '../../kmidi/readmidi.cpp' || echo
'../../kmidi/'`../../kmidi/readmidi.cpp; \
then mv -f ".deps/readmidi.Tpo" ".deps/readmidi.Po"; \
else rm -f ".deps/readmidi.Tpo"; exit 1; \
fi
../../kmidi/readmidi.cpp: In function `int read_track(int)':
../../kmidi/readmidi.cpp:991: error: ISO C++ forbids braced-groups within
expressions
../../kmidi/readmidi.cpp: In function `MidiEvent* read_midi_file(FILE*,
uint32*, uint32*)':
../../kmidi/readmidi.cpp:1412: error: ISO C++ forbids braced-groups within
expressions
make[3]: *** [readmidi.o] Error 1
make[3]: Leaving directory
`/usr/src/kdemultimedia-3.1.2/obj-i386-linux/kmidi'
The problem is this line in readmidi.cpp:
len=BE_LONG(len);
The BE_LONG() macro is defined in config.h to XCHG_LONG(), which
expand to this block in the same file:
#define XCHG_LONG(x) \
({ int32 __value; \
asm ("bswap %1; movl %1,%0" : "=g" (__value) : "r" (x)); \
__value; })
Apparently the inline assembly is no longer accepted by gcc 3.3.2.
Here is a patch to work around the problem, by just disabling the
assembly version.
--- kdemultimedia-3.1.2/kmidi/config.h.orig Tue Nov 11 10:57:04 2003
+++ kdemultimedia-3.1.2/kmidi/config.h Tue Nov 11 10:55:29 2003
@@ -275,7 +275,8 @@
#endif
#else
#define XCHG_SHORT(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF))
- #if defined(__i486__) && defined(__GNUC__)
+ /* Disabled assembly version as it is not accepted by gcc 3.3.2 */
+ #if 0 && defined(__i486__) && defined(__GNUC__)
#define XCHG_LONG(x) \
({ int32 __value; \
asm ("bswap %1; movl %1,%0" : "=g" (__value) : "r" (x)); \
---------------------------------------
Received: (at 220176-done) by bugs.debian.org; 9 Mar 2004 09:14:20 +0000
>From ccheney@cheney.cx Tue Mar 09 01:14:20 2004
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Date: Tue, 9 Mar 2004 03:13:46 -0600
From: Chris Cheney <ccheney@cheney.cx>
To: 203919-done@bugs.debian.org, 220174-done@bugs.debian.org,
220176-done@bugs.debian.org, 220179-done@bugs.debian.org,
220310-done@bugs.debian.org
Subject: kdemultimedia_4:3.1.2-1(hppa/unstable): FTBFS: variable-size array forbdden by C++
Message-ID: <20040309091346.GO19961@cheney.cx>
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These FTBFS bugs are fixed in both sarge/sid.
Chris
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