[Omaha.pm] Preparation for use of GD::Graph & Perl

[Mat Caughron]

O-Mongers:

One method for painless libpng installation on MacOSX is here:
http://libpng.darwinports.com

Regards,



Mat

On Thu, 5 Jan 2006, Jay Hannah wrote:

> philip terry wrote:
> > Then attempted to install libpng. There are a number of sample
> > Makefiles could start with, but then would need to know how to
> > possibly modify the file. So instead tried:
> > ./configure
> >
> > Result: (failed)
> >
> > philip-terrys-power-mac-g5:/usr/local/libpng mterry$ ./configure
> > ./configure: line 90: conf1621.sh: Permission denied
> > ./configure: line 91: conf1621.sh: Permission denied
> > chmod: conf1621.sh: No such file or directory
> > ./configure: line 203: conf1621.file: Permission denied
> > ./configure: line 1119: config.log: Permission denied
> > philip-terrys-power-mac-g5:/usr/local/libpng mterry$
> >
> > The relevant lines 90 & 91 in the "configure" file are:
> >
> > 88 # The user is always right.
> > 89 if test "${PATH_SEPARATOR+set}" != set; then
> > 90   echo "#! /bin/sh" >conf$$.sh
> > 91   echo  "exit 0"   >>conf$$.sh
> > 92   chmod +x conf$$.sh
> > 93   if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
> > 94     PATH_SEPARATOR=';'
> > 95   else
> > 96     PATH_SEPARATOR=:
> > 97   fi
> > 98   rm -f conf$$.sh
> > 99 fi
> >
> > So "configure" trying to modify/create a file in "/bin", one of OS X
> > Unix's restricted permission directories.>
> > How to proceed?
> >
> > a) Perhaps run ./configure as:
> > sudo ./configure
> >
> > Just assume this won't "damage" "/bin" directory, or can recover?
> >
> > b) Or perhaps try learn enough about the installation, the sample
> > Makefiles to use/modify one of them?
>
> I'm semi-familiar with sudo on Linux, but don't understand sudo in an OS X context.
>
> I seem to have just install libpng fine from source on my Mac. The problem might be that you in /usr/local trying to build things? Usually you build everything in your home directory (I create a subdir called "src"), and only the "make install" command impacts the important areas of disk like /usr/local.
>
> I just did this under my home directory:
>
> Jay-Hannahs-Computer:~ jhannah$ pwd
> /Users/jhannah
> Jay-Hannahs-Computer:~ jhannah$ cd src
> Jay-Hannahs-Computer:~/src jhannah$ wget http://easynews.dl.sourceforge.net/sourceforge/libpng/libpng-1.2.8-config.tar.gz
> - results snipped -
> Jay-Hannahs-Computer:~/src jhannah$ tar xvzf libpng-1.2.8-config.tar.gz
> - results snipped -
> Jay-Hannahs-Computer:~/src jhannah$ cd libpng-1.2.8-config
> Jay-Hannahs-Computer:~/src/libpng-1.2.8-config jhannah$ ./configure
> - results snipped -
> Jay-Hannahs-Computer:~/src/libpng-1.2.8-config jhannah$ make
> - results snipped -
> Jay-Hannahs-Computer:~/src/libpng-1.2.8-config jhannah$ su
> Password:
> [Jay-Hannahs-Computer:jhannah/src/libpng-1.2.8-config] jhannah# make install
> - results snipped -
>
> And that all worked fine, so now I guess I have libpng on my laptop? :) Have you activated the root account on your Mac and have that password available to you?
>
> (Want to bring your Mac to the next meeting?)
>
> HTH,
>
> j
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