From 6c222297ab19e1bc6b74c4290446c1cb61f6fda8 Mon Sep 17 00:00:00 2001
From: Martin Afanasjew <martin@afanasjew.de>
Date: Mon, 19 Oct 2015 23:52:10 +0200
Subject: [PATCH] Make -no-rpath build more useful on Apple platforms
[ChangeLog][Platform Specific Changes][OS X] Configure with -no-rpath
will now yield Qt dynamic libraries and frameworks with an absolute
install name (based in -libdir).
OS X package managers like Homebrew install Qt in a fixed location. This
change simplifies deployment for such package managers and is consistent
with the default expectation on Apple platforms for libraries with a
fixed location to also have absolute install names.
While a relocatable installation (the default) also works in this
scenario, it requires all software that depends on Qt to be aware of
this and to embed a suitable RPATH into application binaries (which is
not automatic for non-qmake builds). This might not be true for some
select fallback search locations, but as package managers on OS X tend
not to use those, embedding an RPATH becomes practically mandatory. In a
default Homebrew installation, Qt is configured such that the frameworks
end up in /usr/local/Cellar/qt5/<version>/lib and that will be later
symlinked to /usr/local/opt/qt5/lib, both of which are not searched by
the dynamic linker by default.
Task-number: QTBUG-48958
Change-Id: I4395df98771e06a2ce8a293d11dc755bdc50757f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
---
configure | 4 +++-
mkspecs/features/qt_module.prf | 2 ++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index cea62fbc0c4..c29c113da31 100755
--- a/configure
+++ b/configure
@@ -2557,7 +2557,9 @@ Additional options:
-l <string> ........ Add an explicit library.
-no-rpath .......... Do not use the library install path as a runtime
- library path.
+ library path. On Apple platforms, this implies using
+ absolute install names (based in -libdir) for dynamic
+ libraries and frameworks.
+ -rpath ............. Link Qt libraries and executables using the library
install path as a runtime library path. Equivalent
to -R install_libpath
diff --git a/mkspecs/features/qt_module.prf b/mkspecs/features/qt_module.prf
index c89b6d2793b..f187b85b6dd 100644
--- a/mkspecs/features/qt_module.prf
+++ b/mkspecs/features/qt_module.prf
@@ -135,6 +135,8 @@ mac {
contains(QT_CONFIG, rpath): \
QMAKE_SONAME_PREFIX = @rpath
+ else: \
+ CONFIG += absolute_library_soname
}
DEFINES += QT_BUILDING_QT
--
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