From 75f975f8ad7b9f8dee8f1de9ce3243d69763637b Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Thu, 30 Aug 2018 18:31:46 +0200 Subject: [PATCH] qt: fix build on powerpc_e500mc gcc bug internal compiler error: in validate_condition_mode, at config/rs6000/rs6000.c:180744. Bug is fixed since gcc 7. Workaround is to set -mno-isel, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60818 and https://gcc.gnu.org/ml/gcc-patches/2016-02/msg01036.html This bug is also raised on BR2_powerpc_8540, BR2_powerpc_8548 and BR2_powerpc_e5500. Fixes: - http://autobuild.buildroot.net/results/9b9d11b3281a72c8f54fc675408acb96d24d8e7e Signed-off-by: Fabrice Fontaine Signed-off-by: Thomas Petazzoni --- package/qt/qt.mk | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/package/qt/qt.mk b/package/qt/qt.mk index 1dcb05d6af..921ff13d29 100644 --- a/package/qt/qt.mk +++ b/package/qt/qt.mk @@ -32,6 +32,15 @@ QT_LDFLAGS = $(TARGET_LDFLAGS) # use an older c++ standard to prevent build failure QT_CXXFLAGS += -std=gnu++98 +# gcc bug internal compiler error: in validate_condition_mode, at +# config/rs6000/rs6000.c:180744. Bug is fixed since gcc 7. +# Workaround is to set -mno-isel, see +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60818 and +# https://gcc.gnu.org/ml/gcc-patches/2016-02/msg01036.html +ifeq ($(BR2_powerpc_8540)$(BR2_powerpc_8548)$(BR2_powerpc_e500mc)$(BR2_powerpc_e5500):$(BR2_TOOLCHAIN_GCC_AT_LEAST_7),y:) +QT_CXXFLAGS += -mno-isel +endif + # 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