Re: [Mingw-users] multiple definition of `main'

[vladimir g. <for...@ya...>]

Hi again,

I have not recieved an answer, but while playing
around, I have gon further, but not to success yet...
I have two linker commando, which differ only in style
of passing input object files:
First (generate successuly a valid .exe-file):
c:\MinGW\bin\..\lib\gcc-lib\mingw32\3.2.3\..\..\..\..\mingw32\bin\ld.exe
-Bdynamic -o hello.exe
c:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/../../../crt2.o
c:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/crtbegin.o
-Lc:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3
-Lc:/MinGW/bin/../lib/gcc-lib
-Lc:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/../../../../mingw32/lib
-Lc:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/../../..
hello.o -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt
-luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32
-lgcc -lmoldname -lmingwex -lmsvcrt
c:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/crtend.o

Second (generate an .exe file, but it cannot be run,
main procedure is undefined):
c:\MinGW\bin\..\lib\gcc-lib\mingw32\3.2.3\..\..\..\..\mingw32\bin\ld.exe
-Bdynamic -o hello.exe
c:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/../../../crt2.o
c:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/crtbegin.o
-Lc:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3
-Lc:/MinGW/bin/../lib/gcc-lib
-Lc:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/../../../../mingw32/lib
-Lc:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/../../..
-T  hello.lst -lmingw32 -lgcc -lmoldname -lmingwex
-lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32
-lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt
c:/MinGW/bin/../lib/gcc-lib/mingw32/3.2.3/crtend.o

format of hello.lst:
INPUT(hello.o)

As far as I understand, these two commandos should be
identical, but de-facto they are not. Any clues?
Regards,

Vladimir

-- vladimir glazounov <for...@ya...> wrote:
> I got a problem when linking multiple object files
> in
> one console executable. When I run:
> gcc   -Wl,-rpath-link,n:\MinGW/lib -o autodoc.exe -T
> objs    -Bdynamic
> Where objs is a link script containing object files
> inclusive main.o(with standart main function), I get
> error:
>
..\..\..\wntgcci1.pro\obj\main.o(.text+0x0):main.cxx:
> multiple definition of `main'
> The same command succeeds when the main.o is not in
> the script and when I use instead of '-T objs' just
> 'main.o'. Any clues?
> Regards,
> 
> Vladimir
> 
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