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Re: [Mingw-cross-env-list] Problem using qtsql

From: Mark Brand
Subject: Re: [Mingw-cross-env-list] Problem using qtsql
Date: Wed, 17 Aug 2011 10:36:59 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110812 Thunderbird/6.0

Hi André,

Thanks for reporting this.

On 08/16/2011 09:17 PM, André Ambrósio Boechat wrote:
I'm trying to compile a Qt application that uses the QODBC, but the compiler don't find some gnutls definitions. Using my Debian native environment, all that works fine. I post the compiling results below.

i686-pc-mingw32-g++ -Wl,-enable-stdcall-fixup -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc -Wl,-s -mthreads -Wl,-subsystem,windows -o release/smartplayer.exe release/main.o release/smart_player_qt.o release/moc_smart_player_qt.o -L'/home/andre/ProgramasLocais/mingw-cross-env-2.21/usr/i686-pc-mingw32/lib' -lmingw32 -lqtmain -lQtSql -lQtGui -lpq -lsecur32 -lssl -lcrypto -lcrypt32 -lodbc32 -lsybdb -liconv -L/home/andre/ProgramasLocais/mingw-cross-env-2.21/usr/i686-pc-mingw32/lib -lsqlite3 -lgdi32 -lcomdlg32 -loleaut32 -limm32 -lwinmm -lwinspool -ljpeg -lmng -llcms -ltiff -lmsimg32 -lQtCore -lpng -lole32 -luuid -lws2_32 -ladvapi32 -lshell32 -luser32 -lkernel32 -lz /home/andre/ProgramasLocais/mingw-cross-env-2.21/usr/i686-pc-mingw32/lib/libsybdb.a(net.o): In function `goodread': /home/andre/ProgramasLocais/mingw-cross-env-2.21/tmp-freetds/freetds-0.91.dev.20110523RC2/src/tds/net.c:499: undefined reference to `_gnutls_record_recv'

QtSql depends on sybdb (freetds) which depends on gnutls. Even though you are using only QODBC, the dependencies of all the sql drivers have to be satisfied. This is because our Qt configuration builds the sql drivers into QtSql rather than as plugins.

Some time ago the freetds configuration was changed to use gnutls instead of openssl, but I neglected to add gnutls to SYBASE_LIBS in qt.mk.

I've fixed this here:
Also made the test program depend on QtSql so this type of linking problem will be caught.

Could you let us know if this works for you?



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