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From: "Davide Pesavento" <pesa@gentoo.org>
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Message-ID: <1405087413.f3ddfdb6a90e7d424160bb00f9247eae88ee4a50.pesa@gentoo>
Subject: [gentoo-commits] proj/qt:master commit in: eclass/
X-VCS-Repository: proj/qt
X-VCS-Files: eclass/qt5-build.eclass
X-VCS-Directories: eclass/
X-VCS-Committer: pesa
X-VCS-Committer-Name: Davide Pesavento
X-VCS-Revision: f3ddfdb6a90e7d424160bb00f9247eae88ee4a50
X-VCS-Branch: master
Date: Fri, 11 Jul 2014 14:06:43 +0000 (UTC)
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commit:     f3ddfdb6a90e7d424160bb00f9247eae88ee4a50
Author:     Davide Pesavento <pesa <AT> gentoo <DOT> org>
AuthorDate: Fri Jul 11 14:03:33 2014 +0000
Commit:     Davide Pesavento <pesa <AT> gentoo <DOT> org>
CommitDate: Fri Jul 11 14:03:33 2014 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/qt.git;a=commit;h=f3ddfdb6

[qt5-build] Let configure figure out reduced relocations support.

This should fix arm and ppc support (at least). See upstream bug
https://bugreports.qt-project.org/browse/QTBUG-36129

Thanks to Vladimir Smirnov <civil <AT> gentoo.org> for the heads-up.

---
 eclass/qt5-build.eclass | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/eclass/qt5-build.eclass b/eclass/qt5-build.eclass
index 99ba8df..827bf78 100644
--- a/eclass/qt5-build.eclass
+++ b/eclass/qt5-build.eclass
@@ -496,13 +496,14 @@ qt5_base_configure() {
 		# don't strip
 		-no-strip
 
-		# precompiled headers aren't really useful for us
+		# precompiled headers are not that useful for us
 		# and cause problems on hardened, so turn them off
 		-no-pch
 
-		# reduce relocations in libraries through extra linker optimizations
-		# requires GNU ld >= 2.18
-		-reduce-relocations
+		# reduced relocations cause major breakage on at least arm and ppc, so we
+		# don't specify anything and let configure figure out if they are supported,
+		# see also https://bugreports.qt-project.org/browse/QTBUG-36129
+		#-reduce-relocations
 
 		# disable all SQL drivers by default, override in qtsql
 		-no-sql-db2 -no-sql-ibase -no-sql-mysql -no-sql-oci -no-sql-odbc