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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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4
package/boost/Config.in
View File

@ -104,12 +104,16 @@ config BR2_PACKAGE_BOOST_FIBER
# mips support uses the "pause" instruction, only available
# since mips32r2/mips64r2.
depends on !BR2_MIPS_CPU_MIPS32 && !BR2_MIPS_CPU_MIPS64
depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85180
help
C++11 userland threads library.
comment "boost-fiber needs a toolchain w/ NPTL"
depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL
comment "boost-fiber needs a toolchain not affected by GCC bug 85180"
depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85180
config BR2_PACKAGE_BOOST_FILESYSTEM
bool "boost-filesystem"
help

4
package/flare-engine/Config.in
View File

@ -2,6 +2,7 @@ config BR2_PACKAGE_FLARE_ENGINE
bool "flare-engine"
depends on BR2_INSTALL_LIBSTDCPP
depends on !BR2_STATIC_LIBS # SDL2
depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85180
select BR2_PACKAGE_SDL2
select BR2_PACKAGE_SDL2_IMAGE
select BR2_PACKAGE_SDL2_MIXER
@ -17,3 +18,6 @@ config BR2_PACKAGE_FLARE_ENGINE
comment "flare-engine needs a toolchain w/ C++, dynamic library"
depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS
comment "flare-engine needs a toolchain not affected by GCC bug 85180"
depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85180

4
package/gstreamer/gst-ffmpeg/Config.in
View File

@ -5,6 +5,7 @@ config BR2_PACKAGE_GST_FFMPEG
depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
# triggers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65151 on sh
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 || !BR2_sh
depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85180
select BR2_PACKAGE_GST_PLUGINS_BASE
help
GStreamer plugin containing one plugin with a set of
@ -28,3 +29,6 @@ endif
comment "gst-ffmpeg needs a toolchain w/ gcc >= 5"
depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_5 && BR2_sh
comment "gst-ffmpeg needs a toolchain not affected by GCC bug 85180"
depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85180

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/