tiff @4.0.3_1 install_name_tool fails and suggest -headerpad_max_install_names

[julien.malik@…]

After an upgrade today, I had libtiff upgraded from 3.9.7_0 to 4.0.3_1. System is

Since that, install_name_tool fails when I make a bundle of an app of mine :

install_name_tool: changing install names or rpaths can't be redone for: /Users/otbval/Dashboard/nightly/Monteverdi2-Release/build/_CPack_Packages/Darwin/Bundle/Monteverdi2-0.1.0-Darwin/Monteverdi2-0.1.app/Contents/Resources/MacOS/libtiff.5.dylib (for architecture x86_64) because larger updated load commands do not fit (the program must be relinked, and you may need to use -headerpad or -headerpad_max_install_names)

Never seen this message before. I successfully ran install_name_tool on libtiff coming from macport, since a long time. So this is a regression to me.

How about putting this -headerpad_max_install_names link flag in the port?

[ryandesign (Ryan Carsten Schmidt)]

Ok. We've also talked about maybe adding that flag globally, but I can't find the ticket right now.

[julien.malik@…]

See also #36841 (fix applied) and #23372 (won't fix).

[julien.malik@…]

Every cmake-based software is built with that flag by default :

​http://cmake.org/gitweb?p=cmake.git;a=blob;f=Modules/Platform/Darwin.cmake;h=2e6b71e36996f6791635ba8b500286eefcd33bfc;hb=HEAD#l38

[julien.malik@…]

I have forked the 4.0.3_1 version of tiff port in a local port index, added "configure.ldflags-append -headerpad_max_install_names" into the "platform macosx {}" section, and can confirm it solves my issue.

[su-v]

Replying to ryandesign@…:

Ok. We've also talked about maybe adding that flag globally, but I can't find the ticket right now.

See #29838 “Generate shared libraries what can be processed with install_name_tool (one step toward shared library relocation)”

[ryandesign (Ryan Carsten Schmidt)]

Thanks! I've adjusted the title of that ticket to help find it in the future.

[ryandesign (Ryan Carsten Schmidt)]

MacPorts base now does use -headerpad_max_install_names by default. Has that fixed this problem?

[ryandesign (Ryan Carsten Schmidt)]

Assuming it has been.