Question on using gd lib with c++ Post: 302290171

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Top Forums Programming Question on using gd lib with c++ Post 302290171 by shahrulb on Sunday 22nd of February 2009 06:42:10 AM

02-22-2009

Registered User

Sorry about that, here's the detail of my problem. I'm using the gd library to crop an image to a given width and height. In window, I include the gd.h as below:

using namespace std;

#include <float.h> //for DBL_MAX
#include <math.h>

#include <iostream>
#include <fstream>
#include <ctime>
#include "../gdwin32/gd.h"

#define _CANVAS_WIDTH 800
#define _CANVAS_HEIGHT 560
#define _TILE_WIDTH 25
#define _TILE_HEIGHT 20

I actually compiling it as: g++ -o main *.cpp ../gdwin32/libbgd.a and it works.

So now, I'm trying to run the same file in cygwin. I've already installed the zlib, libpng and gd-20.33 in the same folder as the source code which is main.cpp . I've also copied the gd.c and gd.h into the same folder as the source code. I've changed the include part of main.cpp to these:

#include <iostream>
#include <fstream>
#include <ctime>
#include "gd.h"

The problem occur when I run the makefile for gd which gave me these error messages:

extracting exported symbol list from `cygXpm-4.dll'
test -f .libs/impgen.c || \
sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \
*\// { s/^# //;s/^# *$//; p; }" -e d < ./libtool > .libs/impgen.c
test -f .libs/impgen.exe || (cd .libs && \
if test "x" != "x" ; then -o impgen impgen.c ; \
else gcc -o impgen impgen.c ; fi)
.libs/impgen /usr/lib/../bin/cygXpm-4.dll > .libs/cygXpm-4.dll-def
generating import library for `cygXpm-4.dll'
dlltool --as=as --dllname cygXpm-4.dll --def .libs/cygXpm-4.dll-def --output-lib
.libs/libimp-cygXpm-4.a
grep: /usr/lib/libiconv.la: No such file or directory
/usr/bin/sed: can't read /usr/lib/libiconv.la: No such file or directory
libtool: link: `/usr/lib/libiconv.la' is not a valid libtool archive
make[2]: *** [libgd.la] Error 1
make[2]: Leaving directory `/home/shah/hsv/gd-2.0.33'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/shah/hsv/gd-2.0.33'
make: *** [all] Error 2

I'm not sure how to fix this and actually don't have a clue how to compile the program. Could anyone help me on how to use gd with c++ in linux?

shahrulb

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LEARN ABOUT DEBIAN

raptor-config

raptor-config(1)					      General Commands Manual						  raptor-config(1)

NAME

       raptor-config - script to get information about the installed version of Raptor

SYNOPSIS

       raptor-config [--cflags] [--options] [--help] [--libs] [--libtool-libs] [--private-libs] [--prefix[=DIR]] [--version-decimal] [--version]

DESCRIPTION

       raptor-config  is  a  tool that is used to determine the compile and linker flags that should be used to compile and link programs that use
       the Raptor RDF parser library.

OPTIONS

       raptor-config accepts the following options:

       --cflags
	       Print the compiler flags that are necessary to compile a raptor program.

       --options
	       Print raptor compiled options such as parsers and serializers available, the XML parser used (if any) and the WWW retrieval library
	       used (if any).

       --help  Print a help message summarising usage.

       --libs  Print the linker flags that are necessary to link a raptor program.  This excludes linker arguments used to build the raptor shared
	       library.

       --libtool-libs
	       Print the path to the libtool file for raptor.

       --private-libs
	       Print the linker flags that are necessary to build the raptor shared library.  This option is not usually needed because the raptor
	       shared library has already been dynamically linked against these flags.

       --prefix=PREFIX
	       If  specified,  use PREFIX instead of the installation prefix that raptor was built with when computing the output for the --cflags
	       and --libs options. This option must be specified before any --libs or --cflags options.

       --version
	       Print the currently installed version of raptor on the standard output.

       --version-decimal
	       Print the currently installed version of raptor as a decimal integer.

SEE ALSO

       libraptor(3)

AUTHOR

       Dave Beckett - http://www.dajobe.org/ <http://www.dajobe.org/>

								    2008-04-01							  raptor-config(1)

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