[Bug c++/51468] cannot find -ldl and collect 2 ld returned 1 exit status

["dwight at wwwalker dot com.au" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51468

--- Comment #2 from Dwight Walker <dwight at wwwalker dot com.au> 2011-12-08 17:07:52 UTC ---
QtSDK 1.1.4 built GCC (Mingw)
Windows 7 Home Premium

C:\Users\Dwight\Downloads\nokia\ZXing-1.7\zxing\cpp>c:\python27\python
scons\sco
ns.py
scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
g++ -o build\testrunner.exe -ldl build\core\tests\src\TestRunner.o
build\core\te
sts\src\common\BitArrayTest.o build\core\tests\src\common\BitMatrixTest.o
build\
core\tests\src\common\BitSourceTest.o
build\core\tests\src\common\BlackPointEsti
matorTest.o build\core\tests\src\common\CountedTest.o
build\core\tests\src\commo
n\PerspectiveTransformTest.o
build\core\tests\src\qrcode\ErrorCorrectionLevelTes
t.o build\core\tests\src\qrcode\FormatInformationTest.o
build\core\tests\src\qrc
ode\VersionTest.o build\core\tests\src\common\reedsolomon\ReedSolomonTest.o
buil
d\core\tests\src\qrcode\decoder\DataMaskTest.o
build\core\tests\src\qrcode\decod
er\ModeTest.o build\libzxing.a -lcppunit
c:/qtsdk2/mingw/bin/../lib/gcc/mingw32/4.4.0/../../../../mingw32/bin/ld.exe:
can
not find -ldl
collect2: ld returned 1 exit status
scons: *** [build\testrunner.exe] Error 1
scons: building terminated because of errors.

I think the dl library is not in the path. I cannot set the path for the gcc so
that is why the library is not found and the compile fails.