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CPP Linker Error
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GTK2HSC2HS(1) C->Haskell GTK2HSC2HS(1) NAME
gtk2hsC2hs - C->Haskell Interface Generator SYNOPSIS
gtk2hsC2hs [OPTIONS]... [ header-file ] binding-file DESCRIPTION
This manual page briefly describes the gtk2hsC2hs command. It's a modified version of the c2hs(1) command, which is a helper program nec- essary to build the Gtk2Hs suite of libraries. OPTIONS
The programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options are included below. For a complete description, see the other documentation. gtk2hsC2hs accepts the following options: -h, -?, --help brief help -v, --version show version information -c CPP, --cpp=CPP use executable CPP to invoke C preprocessor -C CPPOPTS, --cppopts=CPPOPTS pass CPPOPTS to the C preprocessor -o FILE, --output=FILE output result to FILE (should end in .hs) -t PATH, --output-dir=PATH place generated files in PATH -p PLATFORM, --platform=PLATFORM platform to use for cross compilation -k, --keep keep pre-processed C header -l NAME, --lock=NAME wrap each foreign call with the function NAME -d TYPE, --dump=TYPE dump internal information (for debugging), where TYPE is one of: o trace trace compiler phases o genbind trace binding generation o ctrav trace C declaration traversal o chs dump the binding file (adds .dump to the name) header-file is the header file belonging to the marshalled library. It must end with suffix .h. binding-file is the corresponding Haskell binding file, which must end with suffix .chs. PLATFORM The platform name can be one of: x86_64-linux. i686-linux. m68k-palmos. This allows for cross-compilation, assuming the rest of your toolchain supports that. The default is the current host platform. The most useful of these options is probably --cppopts (or -C). If the C header file needs any special options (like -D or -I) to go through the C pre-processor, here is the place to pass them. EXAMPLES
When used directly, gtk2hsC2hs is usually called as: gtk2hsC2hs lib.h Lib.chs where lib.h is the header file and Lib.chs the Haskell binding module, which define the C- and Haskell-side interface, respectively. If no errors occur, the result is a pure Haskell module Lib.hs, which implements the Haskell API of the library. A more advanced call may look like this: gtk2hsC2hs --cppopts=-I/some/obscure/dir --cppopts=-DEXTRA lib.h Lib.chs Often, lib.h will not be in the current directory, but in one of the header file directories. Apart from the current directory, C->Haskell looks in two places for the header: first, in the standard include directory of the used system, this is usually /usr/include and /usr/local/include; and second, it will look in every directory that is mentioned in a -IDIR option passed to the pre-processor via --cppopts. CAVEATS
If you have more than one option that you want to give to the pre-processor, use multiple --cppopts= flags. BUGS
Please report bugs and feature requests in the Gtk2Hs trac http://hackage.haskell.org/trac/gtk2hs/ or to the Gtk2Hs mailing list gtk2hs-devel@lists.sourceforge.net COPYRIGHT
C->Haskell Compiler, version 0.13.4 (gtk2hs branch) Copyright (c) [1999..2004] Manuel M T Chakravarty <chak@cse.unsw.edu.au> AUTHOR
This page was addapted from the c2hs(1) manpage, by Marco Tulio Gontijo e Silva <marcot@debian.org> for the Debian GNU/Linux system (but may be used by others), which was mainly assembled from the original documentation of c2hs. The c2hs(1) was written by Michael Weber <michael.weber@post.rwth-aachen.de> for the Debian GNU/Linux system (but may be used by others). Version 0.13.4 (gtk2hs branch) November 2004 GTK2HSC2HS(1)