g++ and glibc

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2 total messages Started by Ortwin Rose Mon, 05 Oct 1992 20:23

#311

Author: Ortwin Rose
Date: Mon, 05 Oct 1992 20:23

13 lines
978 bytes

Has anybody managed to get a 'pure' GNU-based system (i.e.
using glibc-1.05 for all C-functions, and libg++-2.1 for
other stuff)? I've tried to combine both, but its really
a nasty thing, since both libs contain at least partially
the same functions with different prototypes!

Any help appreciated!

Regards

-- O. Rose
   University of Karlsruhe
   Institute of Telematics

Re: g++ and glibc

#313

Author: bothner
Date: Tue, 06 Oct 1992 08:10

20 lines
1229 bytes

> Has anybody managed to get a 'pure' GNU-based system (i.e.
> using glibc-1.05 for all C-functions, and libg++-2.1 for
> other stuff)? I've tried to combine both, but its really
> a nasty thing, since both libs contain at least partially
> the same functions with different prototypes!

If the libc header files contan 'extern "C"' declarations as needed,
you can hack libg++/configure.in so that the generated
host_makefile_frag contains:
	HAVE_CPLUS_EXTERN = 1
	WRAP_C_INCLUDES =

That way, you won't use the include files in libg++/g++-include.

In your C header files do *not* contain the needed 'extern "C"'
declarations, you can use a shell-script to "fix" them.
libg++-2.3 will hopefully have some support for this.

	--Per Bothner
Cygnus Support     bothner@cygnus.com

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