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qt: build using old C++ standard

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'std::auto_ptr' is deprecated with gcc-6 but is used in qt4 code.
So we have to build using old C++ standard to prevent build failures.

qt4 is not being developed no more, so unfortunately we can't update
obsolete C++ code and have to add this workaround.

Fixes:
http://autobuild.buildroot.net/results/54172d55f39b2fcfa5b7fb4d4ee01566678babbc/
and also Qt build for ARC.

Signed-off-by: Vlad Zakharov <vzakhar@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Vlad Zakharov 2016-08-19 19:18:43 +03:00 committed by Thomas Petazzoni
parent fc61da15f4
commit 561622e4ef
1 changed files with 5 additions and 0 deletions
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5
package/qt/qt.mk
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@ -41,6 +41,11 @@ QT_CFLAGS = $(TARGET_CFLAGS)
QT_CXXFLAGS = $(TARGET_CXXFLAGS)
QT_LDFLAGS = $(TARGET_LDFLAGS)
# Qt WebKit build fails when gcc-6 is used for build, because
# 'std::auto_ptr' is deprecated starting from gcc 6.x. So, we have to
# use an older c++ standard to prevent build failure
QT_CXXFLAGS += -std=gnu++98
# Qt has some assembly function that are not present in thumb1 mode:
# Error: selected processor does not support Thumb mode `swp r3,r7,[r4]'
# so, we desactivate thumb mode