The cellar may overlap with the prefix, so if we replace the prefix
first, we will end up with paths like "@@HOMEBREW_PREFIX@@/Cellar"
instead of "@@HOMEBREW_CELLAR@@", which will break on installations
where the cellar and prefix are disjoint.
* Finds pkg-config files such as "lib/pkgconfig/libfoo.pc" and "bin/libfoo-config"
* Does inreplace on paths in such files to allow for better bottle relocation ability
ClosesHomebrew/homebrew#23825.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
After a formula is built, scan all mach-o files for dynamic links
to see if any of them point to a C++ stdlib (libc++ or libstdc++).
If one of them is linked, record that information in the formula's tab.
This replaces the old behaviour where all files were assumed to be C++
code, and stdlibs were always tracked regardless of whether they were
actually linked against.
This also modifies the way that tabs are written - now tabs are written
with the stdlib field null, and values are only written if an stdlib
is detected.
* When a versioned keg_only formula installs the same set of executables
or libraries as a unversioned formula that links to $HOMEBREW_PREFIX,
install_name_tool will prefer to use the linked paths for files in
keg_only formula. This breaks software that should link to the
keg_only formula but links to the unversioned one instead.
* Add an additional "options" parameter with keg_only field to specify
the correct install path for keg_only formulae.
This has two parts:
1. Bottles are temporarily relocated on bottling and tested if that is
sufficient for them to contain no longer reference the prefix or
cellar. If so, they are marked as relocatable.
2. On installation if bottles are marked as relocatable they will be
relocated using install_name_tool to the current prefix and cellar.
ClosesHomebrew/homebrew#18374.
Similar to the LinkedKegs record, we write a symlink for installed kegs to PREFIX/opt.
Unlike the linked-keg record, unlinking doesn't remove the link, only uninstalling, and keg-only formula have a record too.
The reason for this addition is so that formula that depend on keg-only formula can build against the opt directory and not the cellar keg. Thus surviving upgrades.
To enforce this fix_install_names and built were adapted to use the opt path.
Standard kegs also create an opt symlink so that caveats can now refer to the opt directory and thus provide steps that survive upgrades too.
Thus the choice of /opt. It is short, neat and the right choice: POSIX dictates that opt is for stand-alone prefixes of software.
Allow XCode without the Command Line Tools to
work with homebrew, so it's not necessary
to register an Apple Dev ID and/or go to the
XCode prefs and download the CLT. Yay!
Further, this commit allows to use the CLT
solely (without the need for XCode).
Saves quite some megs.
(Some furmulae require xcodebuild)
Of course XCode together with the CLT is still
fine and has been tested on 10.7 and 10.6
with Xcode 4 and Xcode 3.
Only on Lion or above, tell the user about the options,
which are
- Xcode without CLT
- CLT without Xcode
- both (ok, it's not directly stated, but implicit)
So if no Xcode is found and we are on Lion or above,
we don't fail but check for the CLTs now.
For older Macs, the old message that Xcode is needed
and the installer should be run is still displayed.
If the CLT are not found but Xcode is, then we
print out about the experimental status of this setup.
ClosesHomebrew/homebrew#10510.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Keg#fix_install_names punts if bad install names reference dylibs that
aren't "nearby". Enable this machinery to fix more complex directory
hierarchies by searching everything under 'lib' for the bad name's
basename.
Additionally, teach it to correctly handle Mach-O bundle files.
FixesHomebrew/homebrew#12810.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Some libraries do not have the .dylib extension (e.g. Qt framework
libs), but need to have their install names rewritten to prevent other
packages from breaking due to upgrades. Use the new Pathname#dylib?
instead.
FixesHomebrew/homebrew#6065.
My pre-emptive fix that avoided calling Pathname.ensure_writable because I was not convinced it worked broke this function due to incorrect logic.
The lesson is, don’t write pre-emptive fixes. Wait until you've seen the bug first. All code has bugs in, so write less. I'm an idiot sometimes.
FixesHomebrew/homebrew#2709.
By forcing dylibs to have an install_name id that is the HOMEBREW_PREFIX path, ie. the symlink’s path. Stuff that links to these dylibs will use this id and thus by immune to upgrades of underlying libraries.
Thus whatever keg is "current" ie. linked, will be the library that is used by the tool.
This fix is not retroactive. So there will still be breakage for existing installations of stuff.
The fix_install step in install is moved after the link step as the symlinking
is required to determine the eventual ids for each dylib.
