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cygwin 1.5.12-1, g++ 3.3.3 and DB2 UDB DLLs
- From: Lange Torsten <Torsten dot Lange at fja dot com>
- To: "'cygwin at cygwin dot com'" <cygwin at cygwin dot com>
- Date: Mon, 20 Dec 2004 12:45:57 +0100
- Subject: cygwin 1.5.12-1, g++ 3.3.3 and DB2 UDB DLLs
Hi,
I've got a problem using embedded SQL with cygwin 1.5.12-1, g++ (GCC) 3.3.3
(cygwin special) and DB2 UDB 8.1.4. My platform is Windows NT 4 SP 6.
Preprocessing the embedded SQL-code works and I am able to compile the
generated code and link the program with db2api.lib! (I thought that I have
to build a Cygwin compatible import library via nm and dlltool, but
db2app.dll, db2sys.dll, db2wint.dll and the others are stripped - so I tried
the original import library.)
gcc -m32 -O0 -ggdb -g3 -Wall -c -obuild/cpp/compiledir/debug/Test.o
Test.cpp
g++ -obuild/cpp/compiledir/debug/Test.exe
build/cpp/compiledir/debug/Test.o
-Le:/Programme/SQLLIB/lib -ldb2api -Le:/Programme/SQLLIB/lib -ldb2cli
Program execution results in a core dump:
Exception: STATUS_ACCESS_VIOLATION at eip=00040818
eax=0022ED60 ebx=00000004 ecx=0022E524 edx=00000000 esi=61118080
edi=61005CBC
ebp=0022EE48 esp=0022E4DC program=e:\build\cpp\compiledir\debug\Test.exe,
pid 500, thread main
cs=001B ds=0023 es=0023 fs=0038 gs=0000 ss=0023
Stack trace:
Frame Function Args
0022EE48 00040818 (0022EF90, 0022EF20, 33333333, 3FFB3333)
0022EFC8 0040388D (00000001, 61790404, 100300A8, 0022F020)
0022F008 61006145 (0022F020, 006E0069, 00200067, 0072004F)
0022FF88 61006350 (00000000, 00000000, 00000000, 00000000)
End of stack trace
I've also tested linking with -mno-cygwin and I've got the typical Windows
message box reporting an 'Access Violation'.
Surprisingly I was able to execute the cli samples delivered with DB2 UDB
compiled with gcc on Windows NT (they use db2cli.lib).
Then I ported the program to Suse Linux. In fact I have modified the make
file - no source code modifications were necessary - and
it worked!
(Working with Oracle and embedded SQL (Oracle 9.2.0.4.0, using Orasql9.lib)
results in core dump too.)
Are there any additional parameter for compiling/linking or is there another
way to create the Cygwin compatible import libs?
Thanks,
Torsten
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