Hi Rob, I am also facing the same problem while installing Win32-GuiTest on Perl 64 bit v5.14.2 with MingW 64 bit compiler. I have also installed the ExtUtils::FakeConfig from CPAN. Then also I am not able to install this module. Compiling error occurs. 

  CPAN.pm: Going to build K/KA/KARASIK/Win32-GuiTest-1.60.tar.gz

Set up gcc environment - gcc.exe (rubenvb-4.5.4) 4.5.4
Checking if your kit is complete...
Looks good
Writing Makefile for Win32::GuiTest
Writing MYMETA.yml
cp lib/Win32/GuiTest/GuiTest.pc blib\lib\Win32\GuiTest\GuiTest.pc
cp lib/Win32/GuiTest/Examples.pm blib\lib\Win32\GuiTest\Examples.pm
cp lib/Win32/GuiTest.pm blib\lib\Win32\GuiTest.pm
cp lib/Win32/GuiTest/Cmd.pm blib\lib\Win32\GuiTest\Cmd.pm
C:\Perl64\bin\perl.exe -IC:\Perl64\lib -IC:\Perl64\lib C:\Perl64\lib\E
+xtUtils\xsubpp  -typemap C:\Perl64\lib\ExtUtils\typemap -typemap perl
+object.ma
C:/Perl64/site/bin/gcc.exe -c           -DNDEBUG -DWIN32 -D_CONSOLE -D
+NO_STRICT -DWIN64 -DCONSERVATIVE -DPERL_TEXTMODE_SCRIPTS -DUSE_SITECU
+STOMIZE -
C:/Perl64/site/bin/gcc.exe -c           -DNDEBUG -DWIN32 -D_CONSOLE -D
+NO_STRICT -DWIN64 -DCONSERVATIVE -DPERL_TEXTMODE_SCRIPTS -DUSE_SITECU
+STOMIZE -
Running Mkbootstrap for Win32::GuiTest ()
C:\Perl64\bin\perl.exe -MExtUtils::Command -e "chmod" -- 644 GuiTest.b
+s
C:\Perl64\bin\perl.exe -MExtUtils::Mksymlists \
     -e "Mksymlists('NAME'=>\"Win32::GuiTest\", 'DLBASE' => 'GuiTest',
+ 'DL_FUNCS' => {  }, 'FUNCLIST' => [], 'IMPORTS' => {  }, 'DL_VARS' =
+> []);"
Set up gcc environment - gcc.exe (rubenvb-4.5.4) 4.5.4
dlltool --def GuiTest.def --output-exp dll.exp
C:\Perl64\site\bin\g++.exe -o blib\arch\auto\Win32\GuiTest\GuiTest.dll
+ -Wl,--base-file -Wl,dll.base -mdll -L"C:\Perl64\lib\CORE" GuiTest.o 
+DibSect.o
c:/perl64/site/lib/auto/mingw/bin/../lib/gcc/x86_64-w64-mingw32/4.5.4/
+../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lbufferoverfl
+owU
collect2: ld returned 1 exit status
dmake.exe:  Error code 129, while making 'blib\arch\auto\Win32\GuiTest
+\GuiTest.dll'
  KARASIK/Win32-GuiTest-1.60.tar.gz
  C:\Perl64\site\bin\dmake.exe -- NOT OK
Running make test
  Can't test without successful make
Running make install
  Make had returned bad status, install seems impossible
Failed during this command:
 KARASIK/Win32-GuiTest-1.60.tar.gz            : make NO

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In reply to Re^6: Trouble Installing Win32::GuiTest by Anonymous Monk
in thread Trouble Installing Win32::GuiTest by Anonymous Monk

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