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toolchain: allow disabling packages affected by gcc bug 85180

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Works around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180 which
is an issue where the Microblaze architecture had code that caused a
infinite recursion while optimizing in versions of GCC earlier than
8.x. More BR discussion can be found on this thread.
http://buildroot-busybox.2317881.n4.nabble.com/autobuild-buildroot-net-Build-results-for-2018-04-25-td192721.html

Resolves:
http://autobuild.buildroot.net/results/b42d68c66d8ea035845a28c5530ef0682fd95713 (boost)
http://autobuild.buildroot.net/results/af976a4805fb8b3f0c17a8e3a1f901b2255caa0b (flare-engine)
http://autobuild.buildroot.net/results/d20/d20700bd538ba1e9d45ab8a61ecbbba1a320ef38 (gst-ffmpeg)

CC: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Matt Weber
2018-05-28 10:35:10 -05:00
committed by Thomas Petazzoni
parent 30d52c67a7
commit fd97bc80c5
4 changed files with 18 additions and 0 deletions
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6
toolchain/Config.in
View File

@@ -84,6 +84,12 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_64735
default y if BR2_m68k_cf5208
depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. This bug no
# longer exists in gcc 8.x.
config BR2_TOOLCHAIN_HAS_GCC_BUG_85180
bool
default y if BR2_microblaze
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
# An infinite loop exists in the find_base_term() logic of 6.x
# on microblaze. http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df/