Comment # 7
on bug 107990
from Aurryon Schwartz
Good evening everyone,
I'm having the same problem as mentioned and disabling glvnd in the build
process prevented the segfault during the loading time of DL.
Here are my specs:
- Radeon WX 3100
- Vega 64 (used with DRI_PRIME env)
- Ubuntu 18.10
Glxinfo:
OpenGL renderer string: Radeon RX Vega (VEGA10, DRM 3.27.0,
4.19.4-041904-lowlatency, LLVM 8.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.0.0-devel -
padoka PPA
OpenGL core profile shading language version string: 4.50
Default Ubuntu 18.10 compile flags:
staraurryon@Aurryon-Desktop:~$ dpkg-buildflags
CFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=. -fstack-protector-strong
-Wformat -Werror=format-security
CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2
CXXFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=. -fstack-protector-strong
-Wformat -Werror=format-security
FCFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=. -fstack-protector-strong
FFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=. -fstack-protector-strong
GCJFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=. -fstack-protector-strong
LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro
OBJCFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=.
-fstack-protector-strong -Wformat -Werror=format-security
OBJCXXFLAGS=-g -O2 -fdebug-prefix-map=/home/staraurryon=.
-fstack-protector-strong -Wformat -Werror=format-security
Additional build flags in debian/rules:
ifeq (,$(filter $(DEB_HOST_ARCH), armhf sh3 sh4))
buildflags = \
$(shell DEB_CFLAGS_MAINT_APPEND=-Wall DEB_CXXFLAGS_MAINT_APPEND=-Wall
dpkg-buildflags --export=configure)
else
ifneq (,$(filter $(DEB_HOST_ARCH), armhf))
# Workaround for a variant of LP: #725126
buildflags = \
$(shell DEB_CFLAGS_MAINT_APPEND="-Wall -fno-optimize-sibling-calls"
DEB_CXXFLAGS_MAINT_APPEND="-Wall -fno-optimize-sibling-calls" dpkg-buildflags
--export=configure)
else
# Workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83143
buildflags = \
$(shell DEB_CFLAGS_MAINT_APPEND="-Wall -O1"
DEB_CXXFLAGS_MAINT_APPEND="-Wall -O1" dpkg-buildflags --export=configure)
endif
endif
I also tried to disable -Wl,-Bsymbolic-functions but without success as it was
not mentioned in RedHat build documentation.
If you have any comment on my infos, please don't hesitate.
I have started to investigate Fedora build flags as @Timothy Arceri mentioned
that there was no issue in Fedora.
GL HF
Regards,
Aurryon
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