Re: chromium 40.0.2214.91 doesn't like gcc5.3

[Martin Jansa <martin.jansa@gmail.com>]

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On Wed, Dec 30, 2015 at 01:18:48AM -0500, Trevor Woerner wrote:
> I noticed the recent gcc update from 5.2 to 5.3 in openembedded-core
> seems to cause meta-browser's chromium build to fail with more warnings
> being treated as errors. My MACHINE is intel-corei7-64, but I'm guessing
> this probably happens on other architectures too.
> 
> Is anyone looking at this?
> 
> Is there any talk about this upstream?

It was fixed for gcc-5.2 with this patch:
http://lists.openembedded.org/pipermail/openembedded-devel/2015-November/104327.html

I'm surprised that it doesn't work with 5.3, but I can confirm the same
failures in latest "bitbake world" builds.

> 
> Build Configuration:
> BB_VERSION        = "1.28.0"
> BUILD_SYS         = "x86_64-linux"
> NATIVELSBSTRING   = "openSUSE-project-13.2"
> TARGET_SYS        = "x86_64-fortress-linux"
> MACHINE           = "intel-corei7-64"
> DISTRO            = "fortress"
> DISTRO_VERSION    = "0.1"
> TUNE_FEATURES     = "m64 corei7"
> TARGET_FPU        = ""
> meta              = "master:1568f4fa1c8f8abd9b365ecd264841cd4f6b66b1"
> meta-yocto-bsp   
> meta-yocto        = "master:9b392ef494f3fee9b85ee9e37ad700781e32e636"
> meta-intel        = "master:ac56397b913e9f2ccc7d6cf5a1a5a9002b619671"
> meta-oe          
> meta-gnome       
> meta-python      
> meta-networking   =
> "contrib/twoerner/nodejs_v4:40b9f35fa3b4361ca53dbb91d2552f2eae6af460"
> meta-browser      = "master:bb799af123f1361767885d5b8f7e14b334d3fd7a"
> 
> 
> 
> | FAILED: x86_64-fortress-linux-g++  -m64 -march=corei7 -mtune=corei7
> -mfpmath=sse -msse4.2
> --sysroot=/z/layerindex-master/minnowmax/tmp/sysroots/intel-corei7-64
> -MMD -MF obj/third_party/WebKit/Source/wtf/dtoa/wtf.bignum.o.d
> -DV8_DEPRECATION_WARNINGS -D_FILE_OFFSET_BITS=64 -DDISABLE_NACL
> -DCHROMIUM_BUILD -DTOOLKIT_VIEWS=1 -DUI_COMPOSITOR_IMAGE_TRANSPORT
> -DUSE_AURA=1 -DUSE_ASH=1 -DUSE_PANGO=1 -DUSE_CAIRO=1
> -DUSE_DEFAULT_RENDER_THEME=1 -DUSE_LIBJPEG_TURBO=1 -DUSE_X11=1
> -DUSE_CLIPBOARD_AURAX11=1 -DENABLE_ONE_CLICK_SIGNIN
> -DENABLE_PRE_SYNC_BACKUP -DUSE_XI2_MT=2 -DENABLE_REMOTING=1
> -DENABLE_WEBRTC=1 -DENABLE_PEPPER_CDMS -DENABLE_CONFIGURATION_POLICY
> -DENABLE_NOTIFICATIONS -DUSE_UDEV -DDONT_EMBED_BUILD_METADATA
> -DENABLE_TASK_MANAGER=1 -DENABLE_EXTENSIONS=1 -DENABLE_PLUGINS=1
> -DENABLE_SESSION_SERVICE=1 -DENABLE_THEMES=1 -DENABLE_AUTOFILL_DIALOG=1
> -DENABLE_BACKGROUND=1 -DENABLE_GOOGLE_NOW=1 -DCLD_VERSION=2
> -DCLD2_DATA_SOURCE=static -DENABLE_PRINTING=1 -DENABLE_BASIC_PRINTING=1
> -DENABLE_PRINT_PREVIEW=1 -DENABLE_SPELLCHECK=1
> -DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_APP_LIST=1
> -DENABLE_SETTINGS_APP=1 -DENABLE_MANAGED_USERS=1 -DENABLE_MDNS=1
> -DENABLE_SERVICE_DISCOVERY=1 -DENABLE_LOAD_COMPLETION_HACKS=1
> -DWTF_IMPLEMENTATION=1 -DENABLE_OPENTYPE_VERTICAL=1
> -DENABLE_LAYOUT_UNIT_IN_INLINE_BOXES=0
> -DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1
> -DENABLE_INPUT_MULTIPLE_FIELDS_UI=1 -DENABLE_WEB_AUDIO=1
> -DWTF_USE_WEBAUDIO_FFMPEG=1 -DWTF_USE_DEFAULT_RENDER_THEME=1
> -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION
> -DUSE_LIBPCI=1 -DUSE_GLIB=1 -DUSE_NSS=1 -D__STDC_CONSTANT_MACROS
> -D__STDC_FORMAT_MACROS -DNDEBUG -DNVALGRIND
> -DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_FORTIFY_SOURCE=2 -Igen
> -I../../third_party/WebKit/Source -I../../third_party/WebKit
> -I../../third_party/icu/source/i18n
> -I../../third_party/icu/source/common -fstack-protector
> --param=ssp-buffer-size=4 -Werror -pthread -fno-strict-aliasing -Wall
> -Wno-unused-parameter -Wno-missing-field-initializers
> -fvisibility=hidden -pipe -fPIC
> -B/z/layerindex-master/minnowmax/tmp/work/corei7-64-fortress-linux/chromium/40.0.2214.91-r0/chromium-40.0.2214.91/third_party/binutils/Linux_x64/Release/bin
> -Wno-unused-local-typedefs -m64 -march=x86-64 -O2 -fno-ident
> -fdata-sections -ffunction-sections -funwind-tables
> -Wno-error=unused-local-typedefs -O2 -pipe -g
> -feliminate-unused-debug-types -fvisibility-inlines-hidden
> -Wno-c++0x-compat -fno-exceptions -fno-rtti -fno-threadsafe-statics
> -fvisibility-inlines-hidden -Wsign-compare -Wno-c++0x-compat
> -std=gnu++11 -Wno-narrowing -Wno-literal-suffix  -c
> ../../third_party/WebKit/Source/wtf/dtoa/bignum.cc -o
> obj/third_party/WebKit/Source/wtf/dtoa/wtf.bignum.o
> | ../../third_party/WebKit/Source/wtf/dtoa/bignum.cc: In member function
> 'void WTF::double_conversion::Bignum::Align(const
> WTF::double_conversion::Bignum&)':
> | ../../third_party/WebKit/Source/wtf/dtoa/bignum.cc:715:31: error:
> assuming signed overflow does not occur when simplifying conditional to
> constant [-Werror=strict-overflow]
> |              for (int i = 0; i < zero_digits; ++i) {
> |                                ^
> | ../../third_party/WebKit/Source/wtf/dtoa/bignum.cc:715:31: error:
> assuming signed overflow does not occur when simplifying conditional to
> constant [-Werror=strict-overflow]
> | ../../third_party/WebKit/Source/wtf/dtoa/bignum.cc: In member function
> 'void
> WTF::double_conversion::Bignum::AssignDecimalString(WTF::double_conversion::Vector<const
> char>)':
> | ../../third_party/WebKit/Source/wtf/dtoa/bignum.cc:105:10: error:
> assuming signed overflow does not occur when assuming that (X + c) < X
> is always false [-Werror=strict-overflow]
> |      void Bignum::AssignDecimalString(Vector<const char> value) {
> |           ^
> | cc1plus: all warnings being treated as errors
> | ninja: build stopped: subcommand failed.
> 
> -- 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa@gmail.com

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