Linux gcc

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12-04-2007

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Linux gcc

Hi all,

I am trying to create 64-bit shared libraries on Power PC "ppc64" architecture SuSe Linux 10 machine using gcc compiler.
I am using "-m64" as an option for gcc to create 64-bit libraries which needs pam module. As we specify -m64 the compiler should look for all 64-bit compatible libraries i.e. into /usr/lib64 instead it is looking into /usr/lib

Can any one help me regrading ... please ??

vyshu2112

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winegcc

WINEGCC(1)						      Wine Developers Manual							WINEGCC(1)

NAME

       winegcc - Wine C and C++ MinGW Compatible Compiler

SYNOPSIS

       winegcc [options] infile...

DESCRIPTION

       winegcc	is  a  gcc wrapper which tries to provide a MinGW compatible compiler under Linux. This is most useful to Win32 developers who can
       simply take their MinGW code from Windows, and recompile it without modifications under Winelib on Linux.  wineg++ accepts mostly the  same
       options as winegcc.

       The  goal  of  winegcc is to be able to simply replace gcc/g++/windres with winegcc/wineg++/wrc in a MinGW Makefile, and just recompile the
       application using Winelib under Wine. While typically there are small adjustments that must be made to the application source  code  and/or
       Makefile, it is quite easy to do them in a fashion that is compatible between the MinGW and Wine environments.

       This manual will document only the differences from gcc; please consult the gcc manual for more information on those options.

OPTIONS

       gcc options: All gcc options are supported, and are passed along to the backend compiler.

       -Bprefix
	      This  option  specifies  where  to  find the executables, libraries, include files, and data files of the compiler itself. This is a
	      standard gcc option that has been extended to recognize a prefix ending with '/tools/winebuild', in which case winegcc enters a spe-
	      cial  mode for building Wine itself. Developers should avoid prefixes ending with the magic suffix, or if that is not possible, sim-
	      ply express it differently, such as '/tools/winebuild/', to avoid the special behaviour.

       -fno-short-wchar
	      Override the underlying type for wchar_t to be the default for the target, instead of using short unsigned int, which is the default
	      for Win32.

       -mconsole
	      This option passes '--subsystem console' to winebuild, to build console applications. It is the default.

       -mno-cygwin
	      Use  Wine's  implementation of MSVCRT, instead of linking against the host system's libc. This is necessary for the vast majority of
	      Win32 applications, as they typically depend on various features of MSVCRT. This switch is also used by the MinGW compiler  to  link
	      against MSVCRT on Windows, instead of linking against Cygwin's libc. Sharing the syntax with MinGW makes it very easy to write Make-
	      files that work under Wine, MinGW+MSYS, or MinGW+Cygwin.

       -municode
	      Set the default entry point of the application to be the Unicode wmain() instead of the standard main().

       -mwindows
	      This option adds -lgdi32, -lcomdlg32, and -lshell32 to the list of default libraries, and passes '--subsystem windows' to  winebuild
	      to build graphical applications.

       -nodefaultlibs
	      Do  not use the standard system libraries when linking. These include at a minimum -lkernel32, -luser32, -ladvapi32, and any default
	      libraries used by the backend compiler. The -mwindows option augments the list of default libraries as described above.

       -nostartfiles
	      Do not add the winecrt0 library when linking.

       -Wb,option
	      Pass option as an option to winebuild.  If option contains commas, it is split into multiple options at the commas.

DEFINES

       winegcc defines __WINE__, for code that needs to know when it is being compiled	under  Wine.  It  also	defines  WIN32,  _WIN32,  __WIN32,
       __WIN32__, __WINNT, and __WINNT__ for compatibility with MinGW.

BUGS

       The dllimport/dllexport attributes are not supported at the moment, due to lack of support for these features in the ELF version of gcc.

       Static  linking is not currently supported against Wine's DLL. As a result, the -static, --static, and -Wl,-static options will generate an
       error.

AUTHORS

       winegcc was written by Dimitrie O. Paun.

SEE ALSO

       gcc(1), winebuild(1), wrc(1), wine(1), Winelib User Guide, Wine Developers Guide.

Wine 1.2-rc6							   October 2005 							WINEGCC(1)

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