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package/libtorrent-rasterbar: work around gcc bug 85180

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On Microblaze, building libtorrent-rasterbar with gcc version < 8.x
and optimization enabled causes gcc to enter an infinite loop and
hangs the build.

This is due to gcc bug 85180
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180).

The bug shows up when building libtorrent-rasterbar with optimization
but not when building with -O0. To work around this, if
BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y we force using -O0.

Fixes:
http://autobuild.buildroot.net/results/410/410e75676abc6bbabe9029ecda969e3d909f3e18/

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 81dcff92e6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Giulio Benetti 2019-06-18 10:45:35 +02:00 committed by Peter Korsgaard
parent abe08fe713
commit c95a4dcbb0
1 changed files with 4 additions and 0 deletions
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4
package/libtorrent-rasterbar/libtorrent-rasterbar.mk
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@ -21,6 +21,10 @@ ifeq ($(BR2_m68k_cf),y)
LIBTORRENT_RASTERBAR_CXXFLAGS += -fno-defer-pop
endif
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
LIBTORRENT_RASTERBAR_CXXFLAGS += -O0
endif
LIBTORRENT_RASTERBAR_CONF_OPTS += CXXFLAGS="$(LIBTORRENT_RASTERBAR_CXXFLAGS)"
ifeq ($(BR2_ENABLE_LOCALE)$(BR2_PACKAGE_LIBICONV),y)