confused about macports - macos

I am using MacBook Pro Mac OS 10.5 with related version of XCode. I am new to this development environment. I am learning macports, and I read information about macports from http://www.macports.org/. But I am still confused what macports is after reading information from this site.
I am previous working on Windows and Linux, could anyone let me know what macports is (in easy words) and what is the similar item on Windows/Linux?
thanks in avdance,
George

macports is a way of getting executables and other compiled code installed on your computer without having to work out the details of compiling/linking each apllication.
It is equivalent to a package manager under Linux and other Unicies. There is no direct equivalent under Windows.

It is just a convenient way to install a lot of *nix soft on your mac book. They are installed separately (not overwriting) from binaries/daemons/libs already installed on your mac (by default in folder /opl/local). Also they are much fresher than those installed on your mac.
For example 10.6 ships with bash 3.2, but after running sudo port install bash, you will get version 4.x (to make it your default shell add /opt/local/bin/bash to file /private/etc/shells, run chsh -s /opt/local/bin/bash and reopen terminal).
Note other os x package managers: fink and homebrew (superuser question)

Related

How to install wxPython on Mac OS 10.8 using MacPorts?

I would like to install wxPython on Mac OS 10.8 using MacPorts. So for I have run into errors. Using pip didn't work because of errors. There are a lot of packages in MacPorts that are related to wxPython. The trick is finding one that works on my version of Mac OS. Hopefully someone knows the right formula.
You've already found that there are several wxPython-related ports in MacPorts:
$ port echo name:wxp
py-wxpython-3.0
py-wxpython-4.0
py27-wxpython-3.0
py27-wxpython-4.0
py35-wxpython-4.0
py36-wxpython-4.0
py37-wxpython-4.0
py38-wxpython-4.0
py39-wxpython-4.0
wxPython-3.0
Looks like if you want wxPython 3, your only option is to sudo port install py27-wxpython-3.0 which is for Python 2.7. If you want wxPython 4, you can pick which version of Python 2.7 or 3.x you want.
OS X 10.8 is very old, so there is a possibility that these or any other ports in MacPorts will not work on it. You can look up ports in the ports web site and check to see if they built successfully on the automated build system.
For example, as of this writing, py39-wxpython-4.0 built successfully on OS X 10.11 and later but not on 10.10 or earlier. That information could be outdated. You can always try installing the port yourself to see what happens. If you encounter a build failure, please report it to MacPorts so that it can hopefully be fixed.

Can I install emacs 24.5 on OS X El Capitan without deleting the native OS X emacs?

I want to install the latest version of emacs, but if I do this will it be in conflict with the version that comes pre-packaged with os x? Do I need to delete the native emacs? Also, it seems emacsforosx.com is a popular option, but I lot of people swear by homebrew... why would I go with one option over the other?
There is no reason to remove the system-supplied Emacs; any well-behaved, properly packaged third-party version will install fine alongside, not over, the system binaries and libraries.
Installing a current version of emacs is normal practice because the OSX provided version is outdated. You have a number of options, but I've found using the 'homebrew' method the easiest.
Due to changes in OSX 10.11, you need to take some additional steps when installing homebrew. If you already have homebrew installed, you will probably need to 'fix' the permissions on /usr/local. If you don't have homebrew installed, then there are some additional steps you will need to take to create the /usr/local path. This is documented on the hombrew site at El Capitan and Homebrew

Issue completing the install script for pkgin/pkgsrc for OSX 10.7, segfault running pkgin

In attempting to install pkgin/pkgsrc (NetBSD-based package managment tools), using the saveosx.org instructions and github repository.
The repository has installation instructions, which I followed, up to the point of a specific but uninformative error:
It looks like there was an issue running: sudo /usr/pkg/bin/pkgin -y update
I tried running this file directly, but my terminal reports a segmentation fault.
I'm running OSX 10.7.5 and have Xcode-Command-Line Tools installed, but I find no information about Darwin version compatibility on NetBSD's site. My searches have revealed no one else reporting issues using pkgin.
Version 5.0+ is supported according to www.netbsd.org/docs/pkgsrc/platforms.html#darwin, which according to wikipedia (en.wikipedia.org/wiki/Darwin_%28operating_system%29#Release_history) corresponds to OSX 10.1.1+
What options do I have besides upgrading my operating system and hoping the problem is fixing by having newer libraries or a newer kernel?
For reference:
www.pkgsrc.org/#docs
www.perkin.org.uk/pages/pkgsrc-binary-packages-for-osx.html
wiki.netbsd.org/pkgsrc/pkgsrc_64bit_osx/
Related question: Unable to run pkgin on Mac OSX
It would appear that the pkgin binary currently supplied by saveosx is compiled only for more recent OSX releases. It needs at least a Darwin-14.x kernel, or newer, so it won't even run on 10.9.5. Unfortunately the script fails to check the OSX version before it blindly tries to run the pkgin binary, causing the program to crash.
saveosx is basically a painfully obnoxious, rather ugly, and poorly implemented. set of scripts that are superfluous to actually using pkgsrc on OSX.
I would strongly recommend avoiding saveosx for the time being.
Instead I would recommend trying the following well supported alternative:
OSX binary pkgsrc packages
A 32-bit Snow Leopard version that runs on 10.6.8 and newer is available, and I just checked the distribution directory and I see some 2015Q1 i386 packages are just now available, still supporting 10.6.8:
2015Q1 32-bit (i386) Snow Leopard and newer pkgsrc bootstrap
You can of course also build your own pkgsrc bootstrap for any specific OSX environment:
pkgsrc home

Git for Mac fails to launch: "illegal instruction"

...I've looked pretty carefully (I believe), and have been unsuccessful at getting an installation of Git for my Mac.
For various reasons, I'm running 10.6.8 of Mac OS X and will not be changing that anytime soon.
I've already gathered and installed the bundle exposed here:
https://help.github.com/articles/set-up-git
The installation instructions are pretty clear, and it's obvious to me that the package installed. But any attempts to use the git client from the command line result in an "Illegal Instruction" error.
I've sifted pretty carefully through information available here:
http://git-scm.com/book/en/Getting-Started-Installing-Git
There is another bundle that seems to be available. It is called "GitHub for Mac 1.7.5, but it appears to require Mac OS X 10.7 or later.
Has anyone else encountered this difficulty? Must I build from source?
I'm a couple of hours of reading and hacking into this effort? Is there something obvious that I've not considered?
Yes, I've had the same exact problem, and what I did is installed an earlier build from here:
https://code.google.com/p/git-osx-installer/
I'm running 10.6.8 and installed the newest build there, 1.8.4.2
SourceForge only has 1.9.0 and 1.8.5.2
http://sourceforge.net/projects/git-osx-installer/reviews?source=navbar
Someone on the reviews said they had trouble with both and went back to 1.7. I would try that if 1.8.4.2 doesn't work.
I was able to run the config commands without an illegal instruction error, at least.
I had this problem and was able to install a working version using Homebrew.
# first uninstall the broken version
# mount the DMG for the broken version using Finder
# "type" this with the tab key! it saves typing and fixes the version number
cd /Volumes/Git\ 2.0.1\ Snow\ Leopard\ Intel\ Universal/
./uninstall.sh
# make bash forget about the uninstalled binary
hash -r
cd
# now install the working version
# assumes you have Homebrew installed
brew install git
git version
I had this today on Snow Leopard after running the suggested git installer from git-scm. Really horrible. Found that installing Macports using their old Snow Leopard package and then
sudo port install git +svn +doc +bash_completion +gitweb
installs git plus its dependencies and git now works fine; version 1.9.3 installed and working on 10.6.8.
I had the same problem. There are various methods for downloading and installing git - Try macports or homebrew. The thing that finally worked for me was having xcode 3.2.6 installed with the additional command line tools - version 3.2 that comes with the leopard install disk wasn't enough. You can install xcode etc. from the disk and then run software update to upgrade it to 3.2.6.
The latest build for Snow Leopard in the official git-osx-installer repo is Git 2.3.5 currently. You can download it from http://sourceforge.net/projects/git-osx-installer/files/git-2.3.5-intel-universal-snow-leopard.dmg/download using web browser. This installation works for me on OS X 10.6.8.
Or you can check yourself for a newer version: http://sourceforge.net/projects/git-osx-installer/files/
Yes - it seems that it does not support the older OS version (mine was 10.6.8). I upgraded to the newest Mac OS 10.9.4 (the installation will take a while), reinstalled the Git software (note that it will ask for xcode to be installed, which I proceeded), and everything works fine from there. Hope this helps.
Ref : https://help.github.com/articles/does-github-for-mac-run-on-os-x-10-6-snow-leopard
To quote:
Does GitHub for Mac run on OS X 10.6 Snow Leopard?
No, GitHub for Mac requires OS X 10.7 (Lion) or higher.
We made this decision because the app relies on a number of
technologies which are not available in Mac OS X 10.6 or earlier. We
want to provide the best experience possible for the app's users, so
we've made the choice to only support 10.7 and above, and not make
earlier versions available.

Uninstall python 3.2 on mac os x 10.6.7

According to the documentation from python.org, python 3.2 install on mac os requires an upgrade to tcl/tk 8.5.9 (for use of IDLE). In my haste, I have done both. Now my friend told me that python 3 is not recommended yet because only the built-ins and a few modules have been released for 3. The stable one so far is 2.7 (especially if one wants to make extensive use of a variety of modules). My machine has both 2.6.1 and 3.2 (because some OS services make use of 2.6.1 that comes as default with the OS).
1. How do i remove 3.2 completely to avoid any compatibility issues?
tcl/tk 8.5.9 was also installed and this is not the default. There was no verbose mode during installation, so I don't know whether it replaced the default one. If it did how bad can it be for the OS? and hence
2. If the above is really bad, how do i downgrade to the old version of tcl/tk?
In short, how do i bring my machine back to its original state? If anyone knows all the paths to the directories and files I can do it manually.
Thanks
Since Python installs using a package manager, you can use Suspicious Package to look at the install script and where everything is installed.
Be aware this is for demonstration purposes only. My environment is OSX 10.6.8 and am uninstalling python-3.2.2-macosx10.6.dmg.
sudo rm -Rfv /Library/Frameworks/Python.framework/ /Applications/Python\ 3.2/
cd /usr/local/bin/
sudo rm -fv 2to3 2to3-3.2 idle3 idle3.2 pydoc3 pydoc3.2 python3 python3-32 python3-config python3.2 python3.2-32 python3.2-config python3.2m python3.2m-config pythonw3 pythonw3-32 pythonw3.2 pythonw3.2-32 /Developer/Documentation/Python/Reference\ Documentation\ 3.2
I did the same (3.2 on a mac 10.6) and:
-Moved both the Python 3.2 folder and the ActiveState ActiveTcl folder from the Applications Folder to the Trash.
-Moved the Python.framework folder from the Library/Frameworks folder to the Trash.
Running System profiler shows only the 2.6 version of Python.
Marcos
just uninstall 3x version of python if you have already installed it. Eclipse has that option when you click "see whats already installed".
Install later 2.7 version. It works for me on my OS X 10.9.2 with Eclipse Juno.

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